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-rw-r--r--lib/ssl/src/Makefile1
-rw-r--r--lib/ssl/src/dtls_connection.erl316
-rw-r--r--lib/ssl/src/dtls_handshake.erl168
-rw-r--r--lib/ssl/src/dtls_handshake.hrl18
-rw-r--r--lib/ssl/src/dtls_v1.erl40
-rw-r--r--lib/ssl/src/ssl.app.src2
-rw-r--r--lib/ssl/src/ssl_handshake.erl1609
-rw-r--r--lib/ssl/src/ssl_handshake.hrl34
-rw-r--r--lib/ssl/src/ssl_internal.hrl8
-rw-r--r--lib/ssl/src/tls_connection.erl107
-rw-r--r--lib/ssl/src/tls_handshake.erl1733
-rw-r--r--lib/ssl/src/tls_handshake.hrl9
-rw-r--r--lib/ssl/test/ssl_handshake_SUITE.erl63
-rw-r--r--lib/ssl/test/ssl_npn_hello_SUITE.erl77
14 files changed, 2300 insertions, 1885 deletions
diff --git a/lib/ssl/src/Makefile b/lib/ssl/src/Makefile
index cf9f7d5001..a467b3f608 100644
--- a/lib/ssl/src/Makefile
+++ b/lib/ssl/src/Makefile
@@ -58,6 +58,7 @@ MODULES= \
ssl_connection_sup \
tls_handshake \
dtls_handshake\
+ ssl_handshake\
ssl_manager \
ssl_session \
ssl_session_cache \
diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl
index ac2ee0d09f..f6a1dc699e 100644
--- a/lib/ssl/src/dtls_connection.erl
+++ b/lib/ssl/src/dtls_connection.erl
@@ -17,3 +17,319 @@
%% %CopyrightEnd%
%%
-module(dtls_connection).
+
+%%-behaviour(gen_fsm).
+
+%% -include("dtls_handshake.hrl").
+%% -include("ssl_alert.hrl").
+%% -include("dtls_record.hrl").
+%% -include("ssl_cipher.hrl").
+%% -include("ssl_internal.hrl").
+%% -include("ssl_srp.hrl").
+%% -include_lib("public_key/include/public_key.hrl").
+
+
+%% %% Called by dtls_connection_sup
+%% %%-export([start_link/7]).
+
+%% %% gen_fsm callbacks
+%% -export([init/1, hello/2, certify/2, cipher/2,
+%% abbreviated/2, connection/2, handle_event/3,
+%% handle_sync_event/4, handle_info/3, terminate/3, code_change/4]).
+
+%% -record(message_sequences, {
+%% read = 0,
+%% write = 0
+%% }).
+
+%% -record(state, {
+%% role, % client | server
+%% user_application, % {MonitorRef, pid()}
+%% transport_cb, % atom() - callback module
+%% data_tag, % atom() - ex tcp.
+%% close_tag, % atom() - ex tcp_closed
+%% error_tag, % atom() - ex tcp_error
+%% host, % string() | ipadress()
+%% port, % integer()
+%% socket, % socket()
+%% ssl_options, % #ssl_options{}
+%% socket_options, % #socket_options{}
+%% connection_states, % #connection_states{} from ssl_record.hrl
+%% message_sequences = #message_sequences{},
+%% dtls_packets = [], % Not yet handled decode ssl/tls packets.
+%% dtls_record_buffer, % binary() buffer of incomplete records
+%% dtls_handshake_buffer, % binary() buffer of incomplete handshakes
+%% dtls_handshake_history, % tls_handshake_history()
+%% dtls_cipher_texts, % list() received but not deciphered yet
+%% cert_db, %
+%% session, % #session{} from tls_handshake.hrl
+%% session_cache, %
+%% session_cache_cb, %
+%% negotiated_version, % tls_version()
+%% client_certificate_requested = false,
+%% key_algorithm, % atom as defined by cipher_suite
+%% hashsign_algorithm, % atom as defined by cipher_suite
+%% public_key_info, % PKIX: {Algorithm, PublicKey, PublicKeyParams}
+%% private_key, % PKIX: #'RSAPrivateKey'{}
+%% diffie_hellman_params, % PKIX: #'DHParameter'{} relevant for server side
+%% diffie_hellman_keys, % {PublicKey, PrivateKey}
+%% psk_identity, % binary() - server psk identity hint
+%% srp_params, % #srp_user{}
+%% srp_keys, % {PublicKey, PrivateKey}
+%% premaster_secret, %
+%% file_ref_db, % ets()
+%% cert_db_ref, % ref()
+%% bytes_to_read, % integer(), # bytes to read in passive mode
+%% user_data_buffer, % binary()
+%% log_alert, % boolean()
+%% renegotiation, % {boolean(), From | internal | peer}
+%% start_or_recv_from, % "gen_fsm From"
+%% timer, % start_or_recv_timer
+%% send_queue, % queue()
+%% terminated = false, %
+%% allow_renegotiate = true,
+%% expecting_next_protocol_negotiation = false :: boolean(),
+%% next_protocol = undefined :: undefined | binary(),
+%% client_ecc, % {Curves, PointFmt}
+%% client_cookie = <<>>
+%% }).
+
+
+
+%% %%====================================================================
+%% %% Internal application API
+%% %%====================================================================
+
+
+%% %%====================================================================
+%% %% State functions
+%% %%====================================================================
+
+%% -spec hello(start | #hello_request{} | #client_hello{} | #server_hello{} | term(),
+%% #state{}) -> gen_fsm_state_return().
+%% %%--------------------------------------------------------------------
+%% hello(start, #state{host = Host, port = Port, role = client,
+%% ssl_options = SslOpts,
+%% session = #session{own_certificate = Cert} = Session0,
+%% session_cache = Cache, session_cache_cb = CacheCb,
+%% connection_states = ConnectionStates0,
+%% renegotiation = {Renegotiation, _},
+%% client_cookie = Cookie} = State0) ->
+%% Hello = dtls_handshake:client_hello(Host, Port, Cookie, ConnectionStates0, SslOpts,
+%% Cache, CacheCb, Renegotiation, Cert),
+
+%% Version = Hello#client_hello.client_version,
+%% State1 = State0#state{negotiated_version = Version, %% Requested version
+%% session =
+%% Session0#session{session_id = Hello#client_hello.session_id},
+%% dtls_handshake_history = ssl_handshake:init_handshake_history()},
+
+%% State2 = send_flight(Hello, waiting, State1),
+
+%% {Record, State} = next_record(State2),
+%% next_state(hello, hello, Record, State);
+
+%% hello(start, #state{role = server} = State0) ->
+%% {Record, State} = next_record(State0),
+%% next_state(hello, hello, Record, State);
+
+%% hello(#hello_request{}, #state{role = client} = State0) ->
+%% {Record, State} = next_record(State0),
+%% next_state(hello, hello, Record, State);
+
+%% hello(#server_hello{cipher_suite = CipherSuite,
+%% compression_method = Compression} = Hello,
+%% #state{session = #session{session_id = OldId},
+%% connection_states = ConnectionStates0,
+%% role = client,
+%% negotiated_version = ReqVersion,
+%% renegotiation = {Renegotiation, _},
+%% ssl_options = SslOptions} = State1) ->
+%% State0 = flight_done(State1),
+%% case ssl_handshake:hello(Hello, SslOptions, ConnectionStates0, Renegotiation) of
+%% #alert{} = Alert ->
+%% handle_own_alert(Alert, ReqVersion, hello, State0);
+%% {Version, NewId, ConnectionStates, NextProtocol} ->
+%% {KeyAlgorithm, _, _, _} =
+%% ssl_cipher:suite_definition(CipherSuite),
+
+%% PremasterSecret = make_premaster_secret(ReqVersion, KeyAlgorithm),
+
+%% NewNextProtocol = case NextProtocol of
+%% undefined ->
+%% State0#state.next_protocol;
+%% _ ->
+%% NextProtocol
+%% end,
+
+%% State = State0#state{key_algorithm = KeyAlgorithm,
+%% hashsign_algorithm = default_hashsign(Version, KeyAlgorithm),
+%% negotiated_version = Version,
+%% connection_states = ConnectionStates,
+%% premaster_secret = PremasterSecret,
+%% expecting_next_protocol_negotiation = NextProtocol =/= undefined,
+%% next_protocol = NewNextProtocol},
+
+%% case ssl_session:is_new(OldId, NewId) of
+%% true ->
+%% handle_new_session(NewId, CipherSuite, Compression,
+%% State#state{connection_states = ConnectionStates});
+%% false ->
+%% handle_resumed_session(NewId, State#state{connection_states = ConnectionStates})
+%% end
+%% end;
+
+%% hello(#hello_verify_request{cookie = Cookie},
+%% #state{host = Host, port = Port,
+%% session = #session{own_certificate = Cert},
+%% session_cache = Cache, session_cache_cb = CacheCb,
+%% ssl_options = SslOpts,
+%% connection_states = ConnectionStates0,
+%% renegotiation = {Renegotiation, _}} = State0) ->
+%% Hello = ssl_handshake:client_hello(Host, Port, Cookie, ConnectionStates0, SslOpts,
+%% Cache, CacheCb, Renegotiation, Cert),
+%% State1 = State0#state{
+%% tls_handshake_history = ssl_handshake:init_handshake_history(),
+%% client_cookie = Cookie},
+%% State2 = send_flight(Hello, waiting, State1),
+
+%% {Record, State} = next_record(State2),
+%% next_state(hello, hello, Record, State);
+
+%% hello(Hello = #client_hello{client_version = ClientVersion},
+%% State = #state{connection_states = ConnectionStates0,
+%% port = Port, session = #session{own_certificate = Cert} = Session0,
+%% renegotiation = {Renegotiation, _},
+%% session_cache = Cache,
+%% session_cache_cb = CacheCb,
+%% ssl_options = SslOpts}) ->
+%% case ssl_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb,
+%% ConnectionStates0, Cert}, Renegotiation) of
+%% {Version, {Type, Session}, ConnectionStates, ProtocolsToAdvertise,
+%% EcPointFormats, EllipticCurves} ->
+%% do_server_hello(Type, ProtocolsToAdvertise,
+%% EcPointFormats, EllipticCurves,
+%% State#state{connection_states = ConnectionStates,
+%% negotiated_version = Version,
+%% session = Session,
+%% client_ecc = {EllipticCurves, EcPointFormats}});
+%% #alert{} = Alert ->
+%% handle_own_alert(Alert, ClientVersion, hello, State)
+%% end;
+
+%% hello(timeout, State) ->
+%% { next_state, hello, State, hibernate };
+
+%% hello(Msg, State) ->
+%% handle_unexpected_message(Msg, hello, State).
+%% %%--------------------------------------------------------------------
+%% -spec abbreviated(#hello_request{} | #finished{} | term(),
+%% #state{}) -> gen_fsm_state_return().
+%% %%--------------------------------------------------------------------
+
+%% abbreviated(timeout, State) ->
+%% { next_state, abbreviated, State, hibernate };
+
+%% abbreviated(Msg, State) ->
+%% handle_unexpected_message(Msg, abbreviated, State).
+
+%% %%--------------------------------------------------------------------
+%% -spec certify(#hello_request{} | #certificate{} | #server_key_exchange{} |
+%% #certificate_request{} | #server_hello_done{} | #client_key_exchange{} | term(),
+%% #state{}) -> gen_fsm_state_return().
+%% %%--------------------------------------------------------------------
+
+
+%% certify(timeout, State) ->
+%% { next_state, certify, State, hibernate };
+
+%% certify(Msg, State) ->
+%% handle_unexpected_message(Msg, certify, State).
+
+
+%% %%--------------------------------------------------------------------
+%% -spec cipher(#hello_request{} | #certificate_verify{} | #finished{} | term(),
+%% #state{}) -> gen_fsm_state_return().
+%% %%--------------------------------------------------------------------
+
+%% cipher(timeout, State) ->
+%% { next_state, cipher, State, hibernate };
+
+%% cipher(Msg, State) ->
+%% handle_unexpected_message(Msg, cipher, State).
+
+%% %%--------------------------------------------------------------------
+%% -spec connection(#hello_request{} | #client_hello{} | term(),
+%% #state{}) -> gen_fsm_state_return().
+%% %%--------------------------------------------------------------------
+
+%% connection(timeout, State) ->
+%% {next_state, connection, State, hibernate};
+
+%% connection(Msg, State) ->
+%% handle_unexpected_message(Msg, connection, State).
+
+%% %%--------------------------------------------------------------------
+%% %%% Internal functions
+%% %%--------------------------------------------------------------------
+%% handle_unexpected_message(Msg, Info, #state{negotiated_version = Version} = State) ->
+%% Alert = ?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE),
+%% handle_own_alert(Alert, Version, {Info, Msg}, State).
+
+%% send_flight(HandshakeRec, FlightState, State) ->
+%% send_flight(FlightState, buffer_flight(HandshakeRec, State)).
+
+%% send_flight(FlightState, State = #state{negotiated_version = Version,
+%% flight_buffer = Buffer}) ->
+
+%% State1 = do_send_flight(queue:to_list(Buffer), [], State),
+%% finish_send_flight(Version, FlightState, State1).
+
+%% resend_flight(State = #state{negotiated_version = Version,
+%% flight_state = FlightState,
+%% flight_buffer = Buffer})
+%% when FlightState == finished; FlightState == waiting ->
+%% State1 = do_send_flight(queue:to_list(Buffer), [], State),
+%% finish_send_flight(Version, FlightState, State1);
+
+%% resend_flight(State) ->
+%% State.
+
+%% flight_done(State) ->
+%% cancel_dtls_retransmit_timer(State#state{flight_state = done,
+%% flight_buffer = undefined}).
+
+%% do_send_flight([], BinMsgs, State = #state{transport_cb = Transport, socket = Socket}) ->
+%% Transport:send(Socket, lists:reverse(BinMsgs)),
+%% State;
+%% do_send_flight([{Epoch, MsgSeq, HandshakeRec}|T], BinMsgs0,
+%% State = #state{negotiated_version = Version,
+%% connection_states = ConnectionStates0}) ->
+%% CS0 = ssl_record:connection_state_by_epoch(ConnectionStates0, Epoch, write),
+%% {BinMsgs, CS1} = encode_handshake_rec(HandshakeRec, Version, MsgSeq, BinMsgs0, CS0),
+%% ConnectionStates1 = ssl_record:set_connection_state_by_epoch(ConnectionStates0, CS1, write),
+%% do_send_flight(T, BinMsgs, State#state{connection_states = ConnectionStates1}).
+
+%% cancel_dtls_retransmit_timer(State = #state{dtls_retransmit_timer = TimerRef}) ->
+%% cancel_timer(TimerRef),
+%% State#state{dtls_retransmit_timer = undefined}.
+
+%% rearm_dtls_retransmit_timer(State = #state{dtls_retransmit_timer = undefined}) ->
+%% TimerRef = erlang:start_timer(1000, self(), dtls_retransmit),
+%% State#state{dtls_retransmit_timer = TimerRef};
+%% rearm_dtls_retransmit_timer(State) ->
+%% State.
+
+%% finish_send_flight({254, _}, waiting, State) ->
+%% TimerRef = erlang:start_timer(1000, self(), dtls_retransmit),
+%% State#state{
+%% dtls_retransmit_timer = TimerRef,
+%% last_retransmit = timestamp(),
+%% flight_state = waiting};
+
+%% finish_send_flight(_, FlightState, State) ->
+%% State#state{flight_state = FlightState}.
+
+%% timestamp() ->
+%% {Mega, Sec, Micro} = erlang:now(),
+%% Mega * 1000000 * 1000 + Sec * 1000 + (Micro div 1000).
diff --git a/lib/ssl/src/dtls_handshake.erl b/lib/ssl/src/dtls_handshake.erl
index 492212cbae..8a481af76d 100644
--- a/lib/ssl/src/dtls_handshake.erl
+++ b/lib/ssl/src/dtls_handshake.erl
@@ -21,20 +21,80 @@
-include("dtls_record.hrl").
-include("ssl_internal.hrl").
--export([get_dtls_handshake/2,
+-export([client_hello/9, hello/3, get_dtls_handshake/2,
dtls_handshake_new_flight/1, dtls_handshake_new_epoch/1,
encode_handshake/4]).
--record(dtls_hs_state, {current_read_seq, starting_read_seq, highest_record_seq, fragments, completed}).
-
--type dtls_handshake() :: #client_hello{} | #server_hello{} | #hello_verify_request{} |
- #server_hello_done{} | #certificate{} | #certificate_request{} |
- #client_key_exchange{} | #finished{} | #certificate_verify{} |
- #hello_request{} | #next_protocol{}.
-
%%====================================================================
%% Internal application API
%%====================================================================
+
+%%--------------------------------------------------------------------
+-spec client_hello(host(), inet:port_number(), term(), #connection_states{},
+ #ssl_options{}, integer(), atom(), boolean(), der_cert()) ->
+ #client_hello{}.
+%%
+%% Description: Creates a client hello message.
+%%--------------------------------------------------------------------
+client_hello(Host, Port, Cookie, ConnectionStates,
+ #ssl_options{versions = Versions,
+ ciphers = UserSuites
+ } = SslOpts,
+ Cache, CacheCb, Renegotiation, OwnCert) ->
+ Version = dtls_record:highest_protocol_version(Versions),
+ Pending = ssl_record:pending_connection_state(ConnectionStates, read),
+ SecParams = Pending#connection_state.security_parameters,
+ CipherSuites = ssl_handshake:available_suites(UserSuites, Version),
+
+ Extensions = ssl_handshake:client_hello_extensions(Version, CipherSuites,
+ SslOpts, ConnectionStates, Renegotiation),
+
+ Id = ssl_session:client_id({Host, Port, SslOpts}, Cache, CacheCb, OwnCert),
+
+ #client_hello{session_id = Id,
+ client_version = Version,
+ cipher_suites = ssl_handshake:cipher_suites(CipherSuites, Renegotiation),
+ compression_methods = tls_record:compressions(),
+ random = SecParams#security_parameters.client_random,
+ cookie = Cookie,
+ extensions = Extensions
+ }.
+
+hello(Address, Port,
+ #ssl_tls{epoch = Epoch, record_seq = Seq,
+ version = Version} = Record) ->
+ {[{Hello, _}], _, _} =
+ ssl_handshake:get_dtls_handshake(Record,
+ ssl_handshake:dtls_handshake_new_flight(undefined)),
+ #client_hello{client_version = {Major, Minor},
+ random = Random,
+ session_id = SessionId,
+ cipher_suites = CipherSuites,
+ compression_methods = CompressionMethods} = Hello,
+ CookieData = [address_to_bin(Address, Port),
+ <<?BYTE(Major), ?BYTE(Minor)>>,
+ Random, SessionId, CipherSuites, CompressionMethods],
+ Cookie = crypto:hmac(sha, <<"secret">>, CookieData),
+
+ case Hello of
+ #client_hello{cookie = Cookie} ->
+ accept;
+ _ ->
+ %% generate HelloVerifyRequest
+ {RequestFragment, _} = ssl_handshake:encode_handshake(
+ ssl_handshake:hello_verify_request(Cookie),
+ Version, 0, 1400),
+ HelloVerifyRequest =
+ ssl_record:encode_tls_cipher_text(?HANDSHAKE, Version, Epoch, Seq, RequestFragment),
+ {reply, HelloVerifyRequest}
+ end.
+
+address_to_bin({A,B,C,D}, Port) ->
+ <<0:80,16#ffff:16,A,B,C,D,Port:16>>;
+address_to_bin({A,B,C,D,E,F,G,H}, Port) ->
+ <<A:16,B:16,C:16,D:16,E:16,F:16,G:16,H:16,Port:16>>.
+
+%%--------------------------------------------------------------------
encode_handshake(Package, Version, MsgSeq, Mss) ->
{MsgType, Bin} = enc_hs(Package, Version),
Len = byte_size(Bin),
@@ -130,7 +190,7 @@ get_dtls_handshake_aux(_Version, _SeqNo, <<>>, HsState) ->
dec_dtls_fragment(Version, SeqNo, Type, Length, MessageSeq, MsgBody,
HsState = #dtls_hs_state{highest_record_seq = HighestSeqNo, completed = Acc}) ->
Raw = <<?BYTE(Type), ?UINT24(Length), ?UINT16(MessageSeq), ?UINT24(0), ?UINT24(Length), MsgBody/binary>>,
- H = dec_hs(Version, Type, MsgBody),
+ H = decode_handshake(Version, Type, MsgBody),
HsState#dtls_hs_state{completed = [{H,Raw}|Acc], highest_record_seq = erlang:max(HighestSeqNo, SeqNo)}.
process_dtls_fragments(Version,
@@ -305,45 +365,6 @@ merge_fragment_list([{HStart, HEnd}|Rest], _Frag = {FStart, FEnd}, Acc)
add_fragment(List, {FragmentOffset, FragmentLength}) ->
merge_fragment_list(List, {FragmentOffset, FragmentOffset + FragmentLength}, []).
-
-dec_hs(_Version, ?HELLO_VERIFY_REQUEST, <<?BYTE(Major), ?BYTE(Minor),
- ?BYTE(CookieLength), Cookie:CookieLength/binary>>)
- when Major >= 128 ->
-
- #hello_verify_request{
- protocol_version = {Major, Minor},
- cookie = Cookie};
-
-dec_hs(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
- ?BYTE(SID_length), Session_ID:SID_length/binary,
- ?BYTE(Cookie_length), Cookie:Cookie_length/binary,
- ?UINT16(Cs_length), CipherSuites:Cs_length/binary,
- ?BYTE(Cm_length), Comp_methods:Cm_length/binary,
- Extensions/binary>>)
- when Major >= 128 ->
-
- DecodedExtensions = tls_handshake:dec_hello_extensions(Extensions),
- RenegotiationInfo = proplists:get_value(renegotiation_info, DecodedExtensions, undefined),
- SRP = proplists:get_value(srp, DecodedExtensions, undefined),
- HashSigns = proplists:get_value(hash_signs, DecodedExtensions, undefined),
- EllipticCurves = proplists:get_value(elliptic_curves, DecodedExtensions,
- undefined),
- NextProtocolNegotiation = proplists:get_value(next_protocol_negotiation, DecodedExtensions, undefined),
-
- #client_hello{
- client_version = {Major,Minor},
- random = Random,
- session_id = Session_ID,
- cookie = Cookie,
- cipher_suites = tls_handshake:decode_suites('2_bytes', CipherSuites),
- compression_methods = Comp_methods,
- renegotiation_info = RenegotiationInfo,
- srp = SRP,
- hash_signs = HashSigns,
- elliptic_curves = EllipticCurves,
- next_protocol_negotiation = NextProtocolNegotiation
- }.
-
enc_hs(#hello_verify_request{protocol_version = {Major, Minor},
cookie = Cookie}, _Version) ->
CookieLength = byte_size(Cookie),
@@ -357,68 +378,53 @@ enc_hs(#client_hello{client_version = {Major, Minor},
cookie = Cookie,
cipher_suites = CipherSuites,
compression_methods = CompMethods,
- renegotiation_info = RenegotiationInfo,
- srp = SRP,
- hash_signs = HashSigns,
- ec_point_formats = EcPointFormats,
- elliptic_curves = EllipticCurves,
- next_protocol_negotiation = NextProtocolNegotiation}, Version) ->
+ extensions = HelloExtensions}, Version) ->
SIDLength = byte_size(SessionID),
BinCookie = enc_client_hello_cookie(Version, Cookie),
BinCompMethods = list_to_binary(CompMethods),
CmLength = byte_size(BinCompMethods),
BinCipherSuites = list_to_binary(CipherSuites),
CsLength = byte_size(BinCipherSuites),
- Extensions = tls_handshake:hello_extensions(RenegotiationInfo, SRP, NextProtocolNegotiation)
- ++ tls_handshake:ec_hello_extensions(lists:map(fun ssl_cipher:suite_definition/1, CipherSuites), EcPointFormats)
- ++ tls_handshake:ec_hello_extensions(lists:map(fun ssl_cipher:suite_definition/1, CipherSuites), EllipticCurves)
- ++ tls_handshake:hello_extensions(HashSigns),
- ExtensionsBin = tls_handshake:enc_hello_extensions(Extensions),
+ ExtensionsBin = ssl_handshake:encode_hello_extensions(HelloExtensions),
{?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
?BYTE(SIDLength), SessionID/binary,
BinCookie/binary,
- ?UINT16(CsLength), BinCipherSuites/binary,
- ?BYTE(CmLength), BinCompMethods/binary, ExtensionsBin/binary>>}.
+ ?UINT16(CsLength), BinCipherSuites/binary,
+ ?BYTE(CmLength), BinCompMethods/binary, ExtensionsBin/binary>>};
+enc_hs(HandshakeMsg, Version) ->
+ ssl_handshake:encode_handshake(HandshakeMsg, Version).
+enc_client_hello_cookie(_, <<>>) ->
+ <<>>;
enc_client_hello_cookie(_, Cookie) ->
CookieLength = byte_size(Cookie),
- <<?BYTE(CookieLength), Cookie/binary>>;
-enc_client_hello_cookie(_, _) ->
- <<>>.
+ <<?BYTE(CookieLength), Cookie/binary>>.
-dec_hs(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
+decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
?BYTE(SID_length), Session_ID:SID_length/binary,
?BYTE(Cookie_length), Cookie:Cookie_length/binary,
?UINT16(Cs_length), CipherSuites:Cs_length/binary,
?BYTE(Cm_length), Comp_methods:Cm_length/binary,
Extensions/binary>>) ->
- DecodedExtensions = dec_hello_extensions(Extensions),
- RenegotiationInfo = proplists:get_value(renegotiation_info, DecodedExtensions, undefined),
- SRP = proplists:get_value(srp, DecodedExtensions, undefined),
- HashSigns = proplists:get_value(hash_signs, DecodedExtensions, undefined),
- EllipticCurves = proplists:get_value(elliptic_curves, DecodedExtensions,
- undefined),
- NextProtocolNegotiation = proplists:get_value(next_protocol_negotiation, DecodedExtensions, undefined),
+ DecodedExtensions = ssl_handshake:decode_hello_extensions(Extensions),
#client_hello{
client_version = {Major,Minor},
random = Random,
session_id = Session_ID,
cookie = Cookie,
- cipher_suites = from_2bytes(CipherSuites),
+ cipher_suites = tls_handshake:decode_suites('2_bytes', CipherSuites),
compression_methods = Comp_methods,
- renegotiation_info = RenegotiationInfo,
- srp = SRP,
- hash_signs = HashSigns,
- elliptic_curves = EllipticCurves,
- next_protocol_negotiation = NextProtocolNegotiation
+ extensions = DecodedExtensions
};
-dec_hs(_Version, ?HELLO_VERIFY_REQUEST, <<?BYTE(Major), ?BYTE(Minor),
- ?BYTE(CookieLength), Cookie:CookieLength/binary>>) ->
+decode_handshake(_Version, ?HELLO_VERIFY_REQUEST, <<?BYTE(Major), ?BYTE(Minor),
+ ?BYTE(CookieLength), Cookie:CookieLength/binary>>) ->
#hello_verify_request{
- server_version = {Major,Minor},
+ protocol_version = {Major,Minor},
cookie = Cookie};
+decode_handshake(Version, Tag, Msg) ->
+ ssl_handshake:decode_handshake(Version, Tag, Msg).
diff --git a/lib/ssl/src/dtls_handshake.hrl b/lib/ssl/src/dtls_handshake.hrl
index db7b8596ae..5bdf45f627 100644
--- a/lib/ssl/src/dtls_handshake.hrl
+++ b/lib/ssl/src/dtls_handshake.hrl
@@ -27,6 +27,8 @@
-include("ssl_handshake.hrl"). %% Common TLS and DTLS records and Constantes
+-define(HELLO_VERIFY_REQUEST, 3).
+
-record(client_hello, {
client_version,
random,
@@ -35,16 +37,22 @@
cipher_suites, % cipher_suites<2..2^16-1>
compression_methods, % compression_methods<1..2^8-1>,
%% Extensions
- renegotiation_info,
- hash_signs, % supported combinations of hashes/signature algos
- next_protocol_negotiation = undefined % [binary()]
+ extensions
}).
--record(hello_verify_request {
+-record(hello_verify_request, {
protocol_version,
cookie
}).
--define(HELLO_VERIFY_REQUEST, 3).
+-record(dtls_hs_state,
+ {current_read_seq,
+ starting_read_seq,
+ highest_record_seq,
+ fragments,
+ completed
+ }).
+
+-type dtls_handshake() :: #client_hello{} | #hello_verify_request{} | ssl_handshake().
-endif. % -ifdef(dtls_handshake).
diff --git a/lib/ssl/src/dtls_v1.erl b/lib/ssl/src/dtls_v1.erl
new file mode 100644
index 0000000000..930998b460
--- /dev/null
+++ b/lib/ssl/src/dtls_v1.erl
@@ -0,0 +1,40 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013-2013. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(dtls_v1).
+
+-include("ssl_cipher.hrl").
+
+-export([suites/1, mac_hash/7, ecc_curves/1]).
+
+-spec suites(Minor:: 253|255) -> [cipher_suite()].
+
+suites(Minor) ->
+ tls_v1:suites(corresponding_minor_tls_version(Minor));
+
+mac_hash(Version, MacAlg, MacSecret, SeqNo, Type, Length, Fragment) ->
+ tls_v1:mac_hash(MacAlg, MacSecret, SeqNo, Type, Version,
+ Length, Fragment).
+
+ecc_curves({_Major, Minor}) ->
+ tls_v1:ecc_curves(corresponding_minor_tls_version(Minor)).
+
+corresponding_minor_tls_version(255) ->
+ 2;
+corresponding_minor_tls_version(253) ->
+ 3.
diff --git a/lib/ssl/src/ssl.app.src b/lib/ssl/src/ssl.app.src
index 582a60635f..0a2ae92e9d 100644
--- a/lib/ssl/src/ssl.app.src
+++ b/lib/ssl/src/ssl.app.src
@@ -29,7 +29,7 @@
ssl_socket,
%%ssl_record,
ssl_manager,
- %%ssl_handshake,
+ ssl_handshake,
ssl_connection_sup,
%%ssl_connection,
ssl_cipher,
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
new file mode 100644
index 0000000000..0f5d5def48
--- /dev/null
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -0,0 +1,1609 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2013-2013. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+
+%----------------------------------------------------------------------
+%% Purpose: Help funtions for handling the SSL-handshake protocol
+%%----------------------------------------------------------------------
+
+-module(ssl_handshake).
+
+-include("ssl_handshake.hrl").
+-include("ssl_record.hrl").
+-include("ssl_cipher.hrl").
+-include("ssl_alert.hrl").
+-include("ssl_internal.hrl").
+-include("ssl_srp.hrl").
+-include_lib("public_key/include/public_key.hrl").
+
+%% Handshake messages
+-export([hello_request/0, server_hello_done/0,
+ certificate/4, certificate_request/3, key_exchange/3,
+ finished/5, next_protocol/1]).
+
+%% Handle handshake messages
+-export([certify/7, client_certificate_verify/6, certificate_verify/6, verify_signature/5,
+ master_secret/5, server_key_exchange_hash/2, verify_connection/6]).
+
+%% Encode/Decode
+-export([encode_handshake/2, encode_hello_extensions/1,
+ encode_client_protocol_negotiation/2, encode_protocols_advertised_on_server/1,
+ decode_handshake/3, decode_hello_extensions/1,
+ decode_server_key/3, decode_client_key/3,
+ decode_suites/2
+ ]).
+
+%% Cipher suites handling
+-export([available_suites/2, available_suites/3, cipher_suites/2,
+ select_session/10]).
+
+%% Extensions handling
+-export([client_hello_extensions/5,
+ handle_client_hello_extensions/8, %% Returns server hello extensions
+ handle_server_hello_extensions/9
+ ]).
+
+%% MISC
+-export([select_version/3, prf/5, decrypt_premaster_secret/2]).
+
+%%====================================================================
+%% Internal application API
+%%====================================================================
+
+%% ---------- Create handshake messages ----------
+
+%%--------------------------------------------------------------------
+-spec hello_request() -> #hello_request{}.
+%%
+%% Description: Creates a hello request message sent by server to
+%% trigger renegotiation.
+%%--------------------------------------------------------------------
+hello_request() ->
+ #hello_request{}.
+
+%%--------------------------------------------------------------------
+-spec server_hello_done() -> #server_hello_done{}.
+%%
+%% Description: Creates a server hello done message.
+%%--------------------------------------------------------------------
+server_hello_done() ->
+ #server_hello_done{}.
+
+client_hello_extensions(Version = {Major, Minor}, CipherSuites, SslOpts, ConnectionStates, Renegotiation) ->
+ {EcPointFormats, EllipticCurves} =
+ case advertises_ec_ciphers(lists:map(fun ssl_cipher:suite_definition/1, CipherSuites)) of
+ true ->
+ ecc_extensions(tls_v1, Version);
+ false ->
+ {undefined, undefined}
+ end,
+
+ HashSign = if
+ Major == 3, Minor >=3 ->
+ default_hash_signs();
+ true ->
+ undefined
+ end,
+
+ SRP = srp_user(SslOpts),
+
+ #hello_extensions{
+ renegotiation_info = renegotiation_info(tls_record, client,
+ ConnectionStates, Renegotiation),
+ srp = SRP,
+ hash_signs = HashSign,
+ ec_point_formats = EcPointFormats,
+ elliptic_curves = EllipticCurves,
+ next_protocol_negotiation =
+ encode_client_protocol_negotiation(SslOpts#ssl_options.next_protocol_selector,
+ Renegotiation)}.
+
+%%--------------------------------------------------------------------
+-spec certificate(der_cert(), db_handle(), certdb_ref(), client | server) -> #certificate{} | #alert{}.
+%%
+%% Description: Creates a certificate message.
+%%--------------------------------------------------------------------
+certificate(OwnCert, CertDbHandle, CertDbRef, client) ->
+ Chain =
+ case ssl_certificate:certificate_chain(OwnCert, CertDbHandle, CertDbRef) of
+ {ok, CertChain} ->
+ CertChain;
+ {error, _} ->
+ %% If no suitable certificate is available, the client
+ %% SHOULD send a certificate message containing no
+ %% certificates. (chapter 7.4.6. RFC 4346)
+ []
+ end,
+ #certificate{asn1_certificates = Chain};
+
+certificate(OwnCert, CertDbHandle, CertDbRef, server) ->
+ case ssl_certificate:certificate_chain(OwnCert, CertDbHandle, CertDbRef) of
+ {ok, Chain} ->
+ #certificate{asn1_certificates = Chain};
+ {error, _} ->
+ ?ALERT_REC(?FATAL, ?INTERNAL_ERROR)
+ end.
+
+%%--------------------------------------------------------------------
+-spec next_protocol(binary()) -> #next_protocol{}.
+%%
+%% Description: Creates a next protocol message
+%%-------------------------------------------------------------------
+next_protocol(SelectedProtocol) ->
+ #next_protocol{selected_protocol = SelectedProtocol}.
+
+%%--------------------------------------------------------------------
+-spec client_certificate_verify(undefined | der_cert(), binary(),
+ tls_version(), term(), private_key(),
+ tls_handshake_history()) ->
+ #certificate_verify{} | ignore | #alert{}.
+%%
+%% Description: Creates a certificate_verify message, called by the client.
+%%--------------------------------------------------------------------
+client_certificate_verify(undefined, _, _, _, _, _) ->
+ ignore;
+client_certificate_verify(_, _, _, _, undefined, _) ->
+ ignore;
+client_certificate_verify(OwnCert, MasterSecret, Version,
+ {HashAlgo, SignAlgo},
+ PrivateKey, {Handshake, _}) ->
+ case public_key:pkix_is_fixed_dh_cert(OwnCert) of
+ true ->
+ ?ALERT_REC(?FATAL, ?UNSUPPORTED_CERTIFICATE);
+ false ->
+ Hashes =
+ calc_certificate_verify(Version, HashAlgo, MasterSecret, Handshake),
+ Signed = digitally_signed(Version, Hashes, HashAlgo, PrivateKey),
+ #certificate_verify{signature = Signed, hashsign_algorithm = {HashAlgo, SignAlgo}}
+ end.
+
+%%--------------------------------------------------------------------
+-spec certificate_request(erl_cipher_suite(), db_handle(), certdb_ref()) ->
+ #certificate_request{}.
+%%
+%% Description: Creates a certificate_request message, called by the server.
+%%--------------------------------------------------------------------
+certificate_request(CipherSuite, CertDbHandle, CertDbRef) ->
+ Types = certificate_types(CipherSuite),
+ HashSigns = default_hash_signs(),
+ Authorities = certificate_authorities(CertDbHandle, CertDbRef),
+ #certificate_request{
+ certificate_types = Types,
+ hashsign_algorithms = HashSigns,
+ certificate_authorities = Authorities
+ }.
+%%--------------------------------------------------------------------
+-spec key_exchange(client | server, tls_version(),
+ {premaster_secret, binary(), public_key_info()} |
+ {dh, binary()} |
+ {dh, {binary(), binary()}, #'DHParameter'{}, {HashAlgo::atom(), SignAlgo::atom()},
+ binary(), binary(), private_key()} |
+ {ecdh, #'ECPrivateKey'{}} |
+ {psk, binary()} |
+ {dhe_psk, binary(), binary()} |
+ {srp, {binary(), binary()}, #srp_user{}, {HashAlgo::atom(), SignAlgo::atom()},
+ binary(), binary(), private_key()}) ->
+ #client_key_exchange{} | #server_key_exchange{}.
+
+%%
+%% Description: Creates a keyexchange message.
+%%--------------------------------------------------------------------
+key_exchange(client, _Version, {premaster_secret, Secret, {_, PublicKey, _}}) ->
+ EncPremasterSecret =
+ encrypted_premaster_secret(Secret, PublicKey),
+ #client_key_exchange{exchange_keys = EncPremasterSecret};
+
+key_exchange(client, _Version, {dh, PublicKey}) ->
+ #client_key_exchange{
+ exchange_keys = #client_diffie_hellman_public{
+ dh_public = PublicKey}
+ };
+
+key_exchange(client, _Version, {ecdh, #'ECPrivateKey'{publicKey = {0, ECPublicKey}}}) ->
+ #client_key_exchange{
+ exchange_keys = #client_ec_diffie_hellman_public{
+ dh_public = ECPublicKey}
+ };
+
+key_exchange(client, _Version, {psk, Identity}) ->
+ #client_key_exchange{
+ exchange_keys = #client_psk_identity{
+ identity = Identity}
+ };
+
+key_exchange(client, _Version, {dhe_psk, Identity, PublicKey}) ->
+ #client_key_exchange{
+ exchange_keys = #client_dhe_psk_identity{
+ identity = Identity,
+ dh_public = PublicKey}
+ };
+
+key_exchange(client, _Version, {psk_premaster_secret, PskIdentity, Secret, {_, PublicKey, _}}) ->
+ EncPremasterSecret =
+ encrypted_premaster_secret(Secret, PublicKey),
+ #client_key_exchange{
+ exchange_keys = #client_rsa_psk_identity{
+ identity = PskIdentity,
+ exchange_keys = EncPremasterSecret}};
+
+key_exchange(client, _Version, {srp, PublicKey}) ->
+ #client_key_exchange{
+ exchange_keys = #client_srp_public{
+ srp_a = PublicKey}
+ };
+
+key_exchange(server, Version, {dh, {PublicKey, _},
+ #'DHParameter'{prime = P, base = G},
+ HashSign, ClientRandom, ServerRandom, PrivateKey}) ->
+ ServerDHParams = #server_dh_params{dh_p = int_to_bin(P),
+ dh_g = int_to_bin(G), dh_y = PublicKey},
+ enc_server_key_exchange(Version, ServerDHParams, HashSign,
+ ClientRandom, ServerRandom, PrivateKey);
+
+key_exchange(server, Version, {ecdh, #'ECPrivateKey'{publicKey = {0, ECPublicKey},
+ parameters = ECCurve}, HashSign,
+ ClientRandom, ServerRandom, PrivateKey}) ->
+ ServerECParams = #server_ecdh_params{curve = ECCurve, public = ECPublicKey},
+ enc_server_key_exchange(Version, ServerECParams, HashSign,
+ ClientRandom, ServerRandom, PrivateKey);
+
+key_exchange(server, Version, {psk, PskIdentityHint,
+ HashSign, ClientRandom, ServerRandom, PrivateKey}) ->
+ ServerPSKParams = #server_psk_params{hint = PskIdentityHint},
+ enc_server_key_exchange(Version, ServerPSKParams, HashSign,
+ ClientRandom, ServerRandom, PrivateKey);
+
+key_exchange(server, Version, {dhe_psk, PskIdentityHint, {PublicKey, _},
+ #'DHParameter'{prime = P, base = G},
+ HashSign, ClientRandom, ServerRandom, PrivateKey}) ->
+ ServerEDHPSKParams = #server_dhe_psk_params{
+ hint = PskIdentityHint,
+ dh_params = #server_dh_params{dh_p = int_to_bin(P),
+ dh_g = int_to_bin(G), dh_y = PublicKey}
+ },
+ enc_server_key_exchange(Version, ServerEDHPSKParams,
+ HashSign, ClientRandom, ServerRandom, PrivateKey);
+
+key_exchange(server, Version, {srp, {PublicKey, _},
+ #srp_user{generator = Generator, prime = Prime,
+ salt = Salt},
+ HashSign, ClientRandom, ServerRandom, PrivateKey}) ->
+ ServerSRPParams = #server_srp_params{srp_n = Prime, srp_g = Generator,
+ srp_s = Salt, srp_b = PublicKey},
+ enc_server_key_exchange(Version, ServerSRPParams, HashSign,
+ ClientRandom, ServerRandom, PrivateKey).
+
+%%--------------------------------------------------------------------
+-spec finished(tls_version(), client | server, integer(), binary(), tls_handshake_history()) ->
+ #finished{}.
+%%
+%% Description: Creates a handshake finished message
+%%-------------------------------------------------------------------
+finished(Version, Role, PrfAlgo, MasterSecret, {Handshake, _}) -> % use the current handshake
+ #finished{verify_data =
+ calc_finished(Version, Role, PrfAlgo, MasterSecret, Handshake)}.
+
+%% ---------- Handle handshake messages ----------
+
+%%--------------------------------------------------------------------
+-spec certificate_verify(binary(), public_key_info(), tls_version(), term(),
+ binary(), tls_handshake_history()) -> valid | #alert{}.
+%%
+%% Description: Checks that the certificate_verify message is valid.
+%%--------------------------------------------------------------------
+certificate_verify(Signature, PublicKeyInfo, Version,
+ HashSign = {HashAlgo, _}, MasterSecret, {_, Handshake}) ->
+ Hash = calc_certificate_verify(Version, HashAlgo, MasterSecret, Handshake),
+ case verify_signature(Version, Hash, HashSign, Signature, PublicKeyInfo) of
+ true ->
+ valid;
+ _ ->
+ ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE)
+ end.
+%%--------------------------------------------------------------------
+-spec verify_signature(tls_version(), binary(), {term(), term()}, binary(),
+ public_key_info()) -> true | false.
+%%
+%% Description: Checks that a public_key signature is valid.
+%%--------------------------------------------------------------------
+verify_signature(_Version, _Hash, {_HashAlgo, anon}, _Signature, _) ->
+ true;
+verify_signature({3, Minor}, Hash, {HashAlgo, rsa}, Signature, {?rsaEncryption, PubKey, _PubKeyParams})
+ when Minor >= 3 ->
+ public_key:verify({digest, Hash}, HashAlgo, Signature, PubKey);
+verify_signature(_Version, Hash, _HashAlgo, Signature, {?rsaEncryption, PubKey, _PubKeyParams}) ->
+ case public_key:decrypt_public(Signature, PubKey,
+ [{rsa_pad, rsa_pkcs1_padding}]) of
+ Hash -> true;
+ _ -> false
+ end;
+verify_signature(_Version, Hash, {HashAlgo, dsa}, Signature, {?'id-dsa', PublicKey, PublicKeyParams}) ->
+ public_key:verify({digest, Hash}, HashAlgo, Signature, {PublicKey, PublicKeyParams});
+verify_signature(_Version, Hash, {HashAlgo, ecdsa}, Signature,
+ {?'id-ecPublicKey', PublicKey, PublicKeyParams}) ->
+ public_key:verify({digest, Hash}, HashAlgo, Signature, {PublicKey, PublicKeyParams}).
+
+%%--------------------------------------------------------------------
+-spec certify(#certificate{}, db_handle(), certdb_ref(), integer() | nolimit,
+ verify_peer | verify_none, {fun(), term},
+ client | server) -> {der_cert(), public_key_info()} | #alert{}.
+%%
+%% Description: Handles a certificate handshake message
+%%--------------------------------------------------------------------
+certify(#certificate{asn1_certificates = ASN1Certs}, CertDbHandle, CertDbRef,
+ MaxPathLen, _Verify, VerifyFunAndState, Role) ->
+ [PeerCert | _] = ASN1Certs,
+
+ ValidationFunAndState =
+ case VerifyFunAndState of
+ undefined ->
+ {fun(OtpCert, ExtensionOrVerifyResult, SslState) ->
+ ssl_certificate:validate_extension(OtpCert,
+ ExtensionOrVerifyResult, SslState)
+ end, Role};
+ {Fun, UserState0} ->
+ {fun(OtpCert, {extension, _} = Extension, {SslState, UserState}) ->
+ case ssl_certificate:validate_extension(OtpCert,
+ Extension,
+ SslState) of
+ {valid, NewSslState} ->
+ {valid, {NewSslState, UserState}};
+ {fail, Reason} ->
+ apply_user_fun(Fun, OtpCert, Reason, UserState,
+ SslState);
+ {unknown, _} ->
+ apply_user_fun(Fun, OtpCert,
+ Extension, UserState, SslState)
+ end;
+ (OtpCert, VerifyResult, {SslState, UserState}) ->
+ apply_user_fun(Fun, OtpCert, VerifyResult, UserState,
+ SslState)
+ end, {Role, UserState0}}
+ end,
+
+ try
+ {TrustedErlCert, CertPath} =
+ ssl_certificate:trusted_cert_and_path(ASN1Certs, CertDbHandle, CertDbRef),
+ case public_key:pkix_path_validation(TrustedErlCert,
+ CertPath,
+ [{max_path_length,
+ MaxPathLen},
+ {verify_fun, ValidationFunAndState}]) of
+ {ok, {PublicKeyInfo,_}} ->
+ {PeerCert, PublicKeyInfo};
+ {error, Reason} ->
+ path_validation_alert(Reason)
+ end
+ catch
+ error:_ ->
+ %% ASN-1 decode of certificate somehow failed
+ ?ALERT_REC(?FATAL, ?CERTIFICATE_UNKNOWN)
+ end.
+
+%%--------------------------------------------------------------------
+-spec verify_connection(tls_version(), #finished{}, client | server, integer(), binary(),
+ tls_handshake_history()) -> verified | #alert{}.
+%%
+%% Description: Checks the ssl handshake finished message to verify
+%% the connection.
+%%-------------------------------------------------------------------
+verify_connection(Version, #finished{verify_data = Data},
+ Role, PrfAlgo, MasterSecret, {_, Handshake}) ->
+ %% use the previous hashes
+ case calc_finished(Version, Role, PrfAlgo, MasterSecret, Handshake) of
+ Data ->
+ verified;
+ _ ->
+ ?ALERT_REC(?FATAL, ?DECRYPT_ERROR)
+ end.
+%%--------------------------------------------------------------------
+-spec decrypt_premaster_secret(binary(), #'RSAPrivateKey'{}) -> binary().
+
+%%
+%% Description: Public key decryption using the private key.
+%%--------------------------------------------------------------------
+decrypt_premaster_secret(Secret, RSAPrivateKey) ->
+ try public_key:decrypt_private(Secret, RSAPrivateKey,
+ [{rsa_pad, rsa_pkcs1_padding}])
+ catch
+ _:_ ->
+ throw(?ALERT_REC(?FATAL, ?DECRYPT_ERROR))
+ end.
+%%--------------------------------------------------------------------
+-spec server_key_exchange_hash(md5sha | md5 | sha | sha224 |sha256 | sha384 | sha512, binary()) -> binary().
+%%
+%% Description: Calculate server key exchange hash
+%%--------------------------------------------------------------------
+server_key_exchange_hash(md5sha, Value) ->
+ MD5 = crypto:hash(md5, Value),
+ SHA = crypto:hash(sha, Value),
+ <<MD5/binary, SHA/binary>>;
+
+server_key_exchange_hash(Hash, Value) ->
+ crypto:hash(Hash, Value).
+%%--------------------------------------------------------------------
+-spec prf(tls_version(), binary(), binary(), [binary()], non_neg_integer()) ->
+ {ok, binary()} | {error, undefined}.
+%%
+%% Description: use the TLS PRF to generate key material
+%%--------------------------------------------------------------------
+prf({3,0}, _, _, _, _) ->
+ {error, undefined};
+prf({3,1}, Secret, Label, Seed, WantedLength) ->
+ {ok, tls_v1:prf(?MD5SHA, Secret, Label, Seed, WantedLength)};
+prf({3,_N}, Secret, Label, Seed, WantedLength) ->
+ {ok, tls_v1:prf(?SHA256, Secret, Label, Seed, WantedLength)}.
+
+%%--------------------------------------------------------------------
+-spec master_secret(atom(), tls_version(), #session{} | binary(), #connection_states{},
+ client | server) -> {binary(), #connection_states{}} | #alert{}.
+%%
+%% Description: Sets or calculates the master secret and calculate keys,
+%% updating the pending connection states. The Mastersecret and the update
+%% connection states are returned or an alert if the calculation fails.
+%%-------------------------------------------------------------------
+master_secret(RecordCB, Version, #session{master_secret = Mastersecret},
+ ConnectionStates, Role) ->
+ ConnectionState =
+ RecordCB:pending_connection_state(ConnectionStates, read),
+ SecParams = ConnectionState#connection_state.security_parameters,
+ try master_secret(RecordCB, Version, Mastersecret, SecParams,
+ ConnectionStates, Role)
+ catch
+ exit:Reason ->
+ Report = io_lib:format("Key calculation failed due to ~p",
+ [Reason]),
+ error_logger:error_report(Report),
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)
+ end;
+
+master_secret(RecordCB, Version, PremasterSecret, ConnectionStates, Role) ->
+ ConnectionState =
+ RecordCB:pending_connection_state(ConnectionStates, read),
+ SecParams = ConnectionState#connection_state.security_parameters,
+ #security_parameters{prf_algorithm = PrfAlgo,
+ client_random = ClientRandom,
+ server_random = ServerRandom} = SecParams,
+ try master_secret(RecordCB, Version,
+ calc_master_secret(Version,PrfAlgo,PremasterSecret,
+ ClientRandom, ServerRandom),
+ SecParams, ConnectionStates, Role)
+ catch
+ exit:Reason ->
+ Report = io_lib:format("Master secret calculation failed"
+ " due to ~p", [Reason]),
+ error_logger:error_report(Report),
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)
+ end.
+
+%%-------------Encode/Decode --------------------------------
+encode_handshake(#next_protocol{selected_protocol = SelectedProtocol}, _Version) ->
+ PaddingLength = 32 - ((byte_size(SelectedProtocol) + 2) rem 32),
+ {?NEXT_PROTOCOL, <<?BYTE((byte_size(SelectedProtocol))), SelectedProtocol/binary,
+ ?BYTE(PaddingLength), 0:(PaddingLength * 8)>>};
+
+encode_handshake(#server_hello{server_version = {Major, Minor},
+ random = Random,
+ session_id = Session_ID,
+ cipher_suite = CipherSuite,
+ compression_method = Comp_method,
+ extensions = #hello_extensions{} = Extensions}, _Version) ->
+ SID_length = byte_size(Session_ID),
+ ExtensionsBin = encode_hello_extensions(Extensions),
+ {?SERVER_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
+ ?BYTE(SID_length), Session_ID/binary,
+ CipherSuite/binary, ?BYTE(Comp_method), ExtensionsBin/binary>>};
+encode_handshake(#certificate{asn1_certificates = ASN1CertList}, _Version) ->
+ ASN1Certs = certs_from_list(ASN1CertList),
+ ACLen = erlang:iolist_size(ASN1Certs),
+ {?CERTIFICATE, <<?UINT24(ACLen), ASN1Certs:ACLen/binary>>};
+encode_handshake(#server_key_exchange{exchange_keys = Keys}, _Version) ->
+ {?SERVER_KEY_EXCHANGE, Keys};
+encode_handshake(#server_key_params{params_bin = Keys, hashsign = HashSign,
+ signature = Signature}, Version) ->
+ EncSign = enc_sign(HashSign, Signature, Version),
+ {?SERVER_KEY_EXCHANGE, <<Keys/binary, EncSign/binary>>};
+encode_handshake(#certificate_request{certificate_types = CertTypes,
+ hashsign_algorithms = #hash_sign_algos{hash_sign_algos = HashSignAlgos},
+ certificate_authorities = CertAuths},
+ {Major, Minor})
+ when Major == 3, Minor >= 3 ->
+ HashSigns= << <<(ssl_cipher:hash_algorithm(Hash)):8, (ssl_cipher:sign_algorithm(Sign)):8>> ||
+ {Hash, Sign} <- HashSignAlgos >>,
+ CertTypesLen = byte_size(CertTypes),
+ HashSignsLen = byte_size(HashSigns),
+ CertAuthsLen = byte_size(CertAuths),
+ {?CERTIFICATE_REQUEST,
+ <<?BYTE(CertTypesLen), CertTypes/binary,
+ ?UINT16(HashSignsLen), HashSigns/binary,
+ ?UINT16(CertAuthsLen), CertAuths/binary>>
+ };
+encode_handshake(#certificate_request{certificate_types = CertTypes,
+ certificate_authorities = CertAuths},
+ _Version) ->
+ CertTypesLen = byte_size(CertTypes),
+ CertAuthsLen = byte_size(CertAuths),
+ {?CERTIFICATE_REQUEST,
+ <<?BYTE(CertTypesLen), CertTypes/binary,
+ ?UINT16(CertAuthsLen), CertAuths/binary>>
+ };
+encode_handshake(#server_hello_done{}, _Version) ->
+ {?SERVER_HELLO_DONE, <<>>};
+encode_handshake(#client_key_exchange{exchange_keys = ExchangeKeys}, Version) ->
+ {?CLIENT_KEY_EXCHANGE, encode_client_key(ExchangeKeys, Version)};
+encode_handshake(#certificate_verify{signature = BinSig, hashsign_algorithm = HashSign}, Version) ->
+ EncSig = enc_sign(HashSign, BinSig, Version),
+ {?CERTIFICATE_VERIFY, EncSig};
+encode_handshake(#finished{verify_data = VerifyData}, _Version) ->
+ {?FINISHED, VerifyData}.
+
+encode_hello_extensions(#hello_extensions{} = Extensions) ->
+ encode_hello_extensions(hello_extensions_list(Extensions), <<>>).
+encode_hello_extensions([], <<>>) ->
+ <<>>;
+encode_hello_extensions([], Acc) ->
+ Size = byte_size(Acc),
+ <<?UINT16(Size), Acc/binary>>;
+
+encode_hello_extensions([#next_protocol_negotiation{extension_data = ExtensionData} | Rest], Acc) ->
+ Len = byte_size(ExtensionData),
+ encode_hello_extensions(Rest, <<?UINT16(?NEXTPROTONEG_EXT), ?UINT16(Len),
+ ExtensionData/binary, Acc/binary>>);
+encode_hello_extensions([#renegotiation_info{renegotiated_connection = undefined} | Rest], Acc) ->
+ encode_hello_extensions(Rest, Acc);
+encode_hello_extensions([#renegotiation_info{renegotiated_connection = ?byte(0) = Info} | Rest], Acc) ->
+ Len = byte_size(Info),
+ encode_hello_extensions(Rest, <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), Info/binary, Acc/binary>>);
+
+encode_hello_extensions([#renegotiation_info{renegotiated_connection = Info} | Rest], Acc) ->
+ InfoLen = byte_size(Info),
+ Len = InfoLen +1,
+ encode_hello_extensions(Rest, <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), ?BYTE(InfoLen),
+ Info/binary, Acc/binary>>);
+encode_hello_extensions([#elliptic_curves{elliptic_curve_list = EllipticCurves} | Rest], Acc) ->
+ EllipticCurveList = << <<(tls_v1:oid_to_enum(X)):16>> || X <- EllipticCurves>>,
+ ListLen = byte_size(EllipticCurveList),
+ Len = ListLen + 2,
+ encode_hello_extensions(Rest, <<?UINT16(?ELLIPTIC_CURVES_EXT),
+ ?UINT16(Len), ?UINT16(ListLen), EllipticCurveList/binary, Acc/binary>>);
+encode_hello_extensions([#ec_point_formats{ec_point_format_list = ECPointFormats} | Rest], Acc) ->
+ ECPointFormatList = list_to_binary(ECPointFormats),
+ ListLen = byte_size(ECPointFormatList),
+ Len = ListLen + 1,
+ encode_hello_extensions(Rest, <<?UINT16(?EC_POINT_FORMATS_EXT),
+ ?UINT16(Len), ?BYTE(ListLen), ECPointFormatList/binary, Acc/binary>>);
+encode_hello_extensions([#srp{username = UserName} | Rest], Acc) ->
+ SRPLen = byte_size(UserName),
+ Len = SRPLen + 2,
+ encode_hello_extensions(Rest, <<?UINT16(?SRP_EXT), ?UINT16(Len), ?BYTE(SRPLen),
+ UserName/binary, Acc/binary>>);
+encode_hello_extensions([#hash_sign_algos{hash_sign_algos = HashSignAlgos} | Rest], Acc) ->
+ SignAlgoList = << <<(ssl_cipher:hash_algorithm(Hash)):8, (ssl_cipher:sign_algorithm(Sign)):8>> ||
+ {Hash, Sign} <- HashSignAlgos >>,
+ ListLen = byte_size(SignAlgoList),
+ Len = ListLen + 2,
+ encode_hello_extensions(Rest, <<?UINT16(?SIGNATURE_ALGORITHMS_EXT),
+ ?UINT16(Len), ?UINT16(ListLen), SignAlgoList/binary, Acc/binary>>).
+
+enc_server_key_exchange(Version, Params, {HashAlgo, SignAlgo},
+ ClientRandom, ServerRandom, PrivateKey) ->
+ EncParams = encode_server_key(Params),
+ case HashAlgo of
+ null ->
+ #server_key_params{params = Params,
+ params_bin = EncParams,
+ hashsign = {null, anon},
+ signature = <<>>};
+ _ ->
+ Hash =
+ server_key_exchange_hash(HashAlgo, <<ClientRandom/binary,
+ ServerRandom/binary,
+ EncParams/binary>>),
+ Signature = digitally_signed(Version, Hash, HashAlgo, PrivateKey),
+ #server_key_params{params = Params,
+ params_bin = EncParams,
+ hashsign = {HashAlgo, SignAlgo},
+ signature = Signature}
+ end.
+
+%%--------------------------------------------------------------------
+-spec decode_client_key(binary(), key_algo(), tls_version()) ->
+ #encrypted_premaster_secret{}
+ | #client_diffie_hellman_public{}
+ | #client_ec_diffie_hellman_public{}
+ | #client_psk_identity{}
+ | #client_dhe_psk_identity{}
+ | #client_rsa_psk_identity{}
+ | #client_srp_public{}.
+%%
+%% Description: Decode client_key data and return appropriate type
+%%--------------------------------------------------------------------
+decode_client_key(ClientKey, Type, Version) ->
+ dec_client_key(ClientKey, key_exchange_alg(Type), Version).
+
+%%--------------------------------------------------------------------
+-spec decode_server_key(binary(), key_algo(), tls_version()) ->
+ #server_key_params{}.
+%%
+%% Description: Decode server_key data and return appropriate type
+%%--------------------------------------------------------------------
+decode_server_key(ServerKey, Type, Version) ->
+ dec_server_key(ServerKey, key_exchange_alg(Type), Version).
+
+encode_client_protocol_negotiation(undefined, _) ->
+ undefined;
+encode_client_protocol_negotiation(_, false) ->
+ #next_protocol_negotiation{extension_data = <<>>};
+encode_client_protocol_negotiation(_, _) ->
+ undefined.
+
+encode_protocols_advertised_on_server(undefined) ->
+ undefined;
+
+encode_protocols_advertised_on_server(Protocols) ->
+ #next_protocol_negotiation{extension_data = lists:foldl(fun encode_protocol/2, <<>>, Protocols)}.
+
+decode_handshake(_, ?HELLO_REQUEST, <<>>) ->
+ #hello_request{};
+decode_handshake(_, ?NEXT_PROTOCOL, <<?BYTE(SelectedProtocolLength),
+ SelectedProtocol:SelectedProtocolLength/binary,
+ ?BYTE(PaddingLength), _Padding:PaddingLength/binary>>) ->
+ #next_protocol{selected_protocol = SelectedProtocol};
+
+decode_handshake(_Version, ?SERVER_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
+ ?BYTE(SID_length), Session_ID:SID_length/binary,
+ Cipher_suite:2/binary, ?BYTE(Comp_method)>>) ->
+ #server_hello{
+ server_version = {Major,Minor},
+ random = Random,
+ session_id = Session_ID,
+ cipher_suite = Cipher_suite,
+ compression_method = Comp_method,
+ extensions = #hello_extensions{}};
+
+decode_handshake(_Version, ?SERVER_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
+ ?BYTE(SID_length), Session_ID:SID_length/binary,
+ Cipher_suite:2/binary, ?BYTE(Comp_method),
+ ?UINT16(ExtLen), Extensions:ExtLen/binary>>) ->
+
+ HelloExtensions = decode_hello_extensions(Extensions),
+
+ #server_hello{
+ server_version = {Major,Minor},
+ random = Random,
+ session_id = Session_ID,
+ cipher_suite = Cipher_suite,
+ compression_method = Comp_method,
+ extensions = HelloExtensions};
+
+decode_handshake(_Version, ?CERTIFICATE, <<?UINT24(ACLen), ASN1Certs:ACLen/binary>>) ->
+ #certificate{asn1_certificates = certs_to_list(ASN1Certs)};
+decode_handshake(_Version, ?SERVER_KEY_EXCHANGE, Keys) ->
+ #server_key_exchange{exchange_keys = Keys};
+decode_handshake({Major, Minor}, ?CERTIFICATE_REQUEST,
+ <<?BYTE(CertTypesLen), CertTypes:CertTypesLen/binary,
+ ?UINT16(HashSignsLen), HashSigns:HashSignsLen/binary,
+ ?UINT16(CertAuthsLen), CertAuths:CertAuthsLen/binary>>)
+ when Major == 3, Minor >= 3 ->
+ HashSignAlgos = [{ssl_cipher:hash_algorithm(Hash), ssl_cipher:sign_algorithm(Sign)} ||
+ <<?BYTE(Hash), ?BYTE(Sign)>> <= HashSigns],
+ #certificate_request{certificate_types = CertTypes,
+ hashsign_algorithms = #hash_sign_algos{hash_sign_algos = HashSignAlgos},
+ certificate_authorities = CertAuths};
+decode_handshake(_Version, ?CERTIFICATE_REQUEST,
+ <<?BYTE(CertTypesLen), CertTypes:CertTypesLen/binary,
+ ?UINT16(CertAuthsLen), CertAuths:CertAuthsLen/binary>>) ->
+ #certificate_request{certificate_types = CertTypes,
+ certificate_authorities = CertAuths};
+decode_handshake(_Version, ?SERVER_HELLO_DONE, <<>>) ->
+ #server_hello_done{};
+decode_handshake({Major, Minor}, ?CERTIFICATE_VERIFY,<<HashSign:2/binary, ?UINT16(SignLen),
+ Signature:SignLen/binary>>)
+ when Major == 3, Minor >= 3 ->
+ #certificate_verify{hashsign_algorithm = dec_hashsign(HashSign), signature = Signature};
+decode_handshake(_Version, ?CERTIFICATE_VERIFY,<<?UINT16(SignLen), Signature:SignLen/binary>>)->
+ #certificate_verify{signature = Signature};
+decode_handshake(_Version, ?CLIENT_KEY_EXCHANGE, PKEPMS) ->
+ #client_key_exchange{exchange_keys = PKEPMS};
+decode_handshake(_Version, ?FINISHED, VerifyData) ->
+ #finished{verify_data = VerifyData};
+decode_handshake(_, _, _) ->
+ throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)).
+
+%%--------------------------------------------------------------------
+-spec decode_hello_extensions(binary()) -> #hello_extensions{}.
+%%
+%% Description: Decodes TLS hello extensions
+%%--------------------------------------------------------------------
+decode_hello_extensions({client, <<>>}) ->
+ #hello_extensions{};
+decode_hello_extensions({client, <<?UINT16(ExtLen), Extensions:ExtLen/binary>>}) ->
+ decode_hello_extensions(Extensions);
+decode_hello_extensions(Extensions) ->
+ dec_hello_extensions(Extensions, #hello_extensions{}).
+
+dec_server_key(<<?UINT16(PLen), P:PLen/binary,
+ ?UINT16(GLen), G:GLen/binary,
+ ?UINT16(YLen), Y:YLen/binary, _/binary>> = KeyStruct,
+ ?KEY_EXCHANGE_DIFFIE_HELLMAN, Version) ->
+ Params = #server_dh_params{dh_p = P, dh_g = G, dh_y = Y},
+ {BinMsg, HashSign, Signature} = dec_server_key_params(PLen + GLen + YLen + 6, KeyStruct, Version),
+ #server_key_params{params = Params,
+ params_bin = BinMsg,
+ hashsign = HashSign,
+ signature = Signature};
+%% ECParameters with named_curve
+%% TODO: explicit curve
+dec_server_key(<<?BYTE(?NAMED_CURVE), ?UINT16(CurveID),
+ ?BYTE(PointLen), ECPoint:PointLen/binary,
+ _/binary>> = KeyStruct,
+ ?KEY_EXCHANGE_EC_DIFFIE_HELLMAN, Version) ->
+ Params = #server_ecdh_params{curve = {namedCurve, ssl_tls1:enum_to_oid(CurveID)},
+ public = ECPoint},
+ {BinMsg, HashSign, Signature} = dec_server_key_params(PointLen + 4, KeyStruct, Version),
+ #server_key_params{params = Params,
+ params_bin = BinMsg,
+ hashsign = HashSign,
+ signature = Signature};
+dec_server_key(<<?UINT16(Len), PskIdentityHint:Len/binary>> = KeyStruct,
+ KeyExchange, Version)
+ when KeyExchange == ?KEY_EXCHANGE_PSK; KeyExchange == ?KEY_EXCHANGE_RSA_PSK ->
+ Params = #server_psk_params{
+ hint = PskIdentityHint},
+ {BinMsg, HashSign, Signature} = dec_server_key_params(Len + 2, KeyStruct, Version),
+ #server_key_params{params = Params,
+ params_bin = BinMsg,
+ hashsign = HashSign,
+ signature = Signature};
+dec_server_key(<<?UINT16(Len), IdentityHint:Len/binary,
+ ?UINT16(PLen), P:PLen/binary,
+ ?UINT16(GLen), G:GLen/binary,
+ ?UINT16(YLen), Y:YLen/binary, _/binary>> = KeyStruct,
+ ?KEY_EXCHANGE_DHE_PSK, Version) ->
+ DHParams = #server_dh_params{dh_p = P, dh_g = G, dh_y = Y},
+ Params = #server_dhe_psk_params{
+ hint = IdentityHint,
+ dh_params = DHParams},
+ {BinMsg, HashSign, Signature} = dec_server_key_params(Len + PLen + GLen + YLen + 8, KeyStruct, Version),
+ #server_key_params{params = Params,
+ params_bin = BinMsg,
+ hashsign = HashSign,
+ signature = Signature};
+dec_server_key(<<?UINT16(NLen), N:NLen/binary,
+ ?UINT16(GLen), G:GLen/binary,
+ ?BYTE(SLen), S:SLen/binary,
+ ?UINT16(BLen), B:BLen/binary, _/binary>> = KeyStruct,
+ ?KEY_EXCHANGE_SRP, Version) ->
+ Params = #server_srp_params{srp_n = N, srp_g = G, srp_s = S, srp_b = B},
+ {BinMsg, HashSign, Signature} = dec_server_key_params(NLen + GLen + SLen + BLen + 7, KeyStruct, Version),
+ #server_key_params{params = Params,
+ params_bin = BinMsg,
+ hashsign = HashSign,
+ signature = Signature};
+dec_server_key(_, _, _) ->
+ throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)).
+
+%%--------------------------------------------------------------------
+-spec decode_suites('2_bytes'|'3_bytes', binary()) -> list().
+%%
+%% Description:
+%%--------------------------------------------------------------------
+decode_suites('2_bytes', Dec) ->
+ from_2bytes(Dec);
+decode_suites('3_bytes', Dec) ->
+ from_3bytes(Dec).
+
+%%-------------Cipeher suite handling --------------------------------
+
+available_suites(UserSuites, Version) ->
+ case UserSuites of
+ [] ->
+ ssl_cipher:suites(Version);
+ _ ->
+ UserSuites
+ end.
+
+available_suites(ServerCert, UserSuites, Version) ->
+ ssl_cipher:filter(ServerCert, available_suites(UserSuites, Version)).
+
+cipher_suites(Suites, false) ->
+ [?TLS_EMPTY_RENEGOTIATION_INFO_SCSV | Suites];
+cipher_suites(Suites, true) ->
+ Suites.
+
+select_session(SuggestedSessionId, CipherSuites, Compressions, Port, Session, Version,
+ #ssl_options{ciphers = UserSuites} = SslOpts, Cache, CacheCb, Cert) ->
+ {SessionId, Resumed} = ssl_session:server_id(Port, SuggestedSessionId,
+ SslOpts, Cert,
+ Cache, CacheCb),
+ Suites = ssl_handshake:available_suites(Cert, UserSuites, Version),
+ case Resumed of
+ undefined ->
+ CipherSuite = select_cipher_suite(CipherSuites, Suites),
+ Compression = select_compression(Compressions),
+ {new, Session#session{session_id = SessionId,
+ cipher_suite = CipherSuite,
+ compression_method = Compression}};
+ _ ->
+ {resumed, Resumed}
+ end.
+
+%%-------------certificate handling --------------------------------
+
+certificate_types({KeyExchange, _, _, _})
+ when KeyExchange == rsa;
+ KeyExchange == dhe_dss;
+ KeyExchange == dhe_rsa;
+ KeyExchange == ecdhe_rsa ->
+ <<?BYTE(?RSA_SIGN), ?BYTE(?DSS_SIGN)>>;
+
+certificate_types({KeyExchange, _, _, _})
+ when KeyExchange == dh_ecdsa;
+ KeyExchange == dhe_ecdsa ->
+ <<?BYTE(?ECDSA_SIGN)>>;
+
+certificate_types(_) ->
+ <<?BYTE(?RSA_SIGN)>>.
+
+certificate_authorities(CertDbHandle, CertDbRef) ->
+ Authorities = certificate_authorities_from_db(CertDbHandle, CertDbRef),
+ Enc = fun(#'OTPCertificate'{tbsCertificate=TBSCert}) ->
+ OTPSubj = TBSCert#'OTPTBSCertificate'.subject,
+ DNEncodedBin = public_key:pkix_encode('Name', OTPSubj, otp),
+ DNEncodedLen = byte_size(DNEncodedBin),
+ <<?UINT16(DNEncodedLen), DNEncodedBin/binary>>
+ end,
+ list_to_binary([Enc(Cert) || {_, Cert} <- Authorities]).
+
+certificate_authorities_from_db(CertDbHandle, CertDbRef) ->
+ ConnectionCerts = fun({{Ref, _, _}, Cert}, Acc) when Ref == CertDbRef ->
+ [Cert | Acc];
+ (_, Acc) ->
+ Acc
+ end,
+ ssl_pkix_db:foldl(ConnectionCerts, [], CertDbHandle).
+
+%%-------------Extension handling --------------------------------
+
+handle_client_hello_extensions(RecordCB, Random,
+ #hello_extensions{renegotiation_info = Info,
+ srp = SRP,
+ next_protocol_negotiation = NextProtocolNegotiation,
+ ec_point_formats = EcPointFormats0,
+ elliptic_curves = EllipticCurves0}, Version,
+ #ssl_options{secure_renegotiate = SecureRenegotation} = Opts,
+ #session{cipher_suite = CipherSuite, compression_method = Compression} = Session0,
+ ConnectionStates0, Renegotiation) ->
+ Session = handle_srp_extension(SRP, Session0),
+ ConnectionStates = handle_renegotiation_extension(server, RecordCB, Version, Info,
+ Random, CipherSuite, Compression,
+ ConnectionStates0, Renegotiation, SecureRenegotation),
+ ProtocolsToAdvertise = handle_next_protocol_extension(NextProtocolNegotiation, Renegotiation, Opts),
+ {EcPointFormats, EllipticCurves} = handle_ecc_extensions(Version, EcPointFormats0, EllipticCurves0),
+ ServerHelloExtensions = #hello_extensions{
+ renegotiation_info = renegotiation_info(RecordCB, server,
+ ConnectionStates, Renegotiation),
+ ec_point_formats = EcPointFormats,
+ elliptic_curves = EllipticCurves,
+ next_protocol_negotiation =
+ encode_protocols_advertised_on_server(ProtocolsToAdvertise)
+ },
+ {Session, ConnectionStates, ServerHelloExtensions}.
+
+handle_server_hello_extensions(RecordCB, Random, CipherSuite, Compression,
+ #hello_extensions{renegotiation_info = Info,
+ next_protocol_negotiation = NextProtocolNegotiation}, Version,
+ #ssl_options{secure_renegotiate = SecureRenegotation,
+ next_protocol_selector = NextProtoSelector},
+ ConnectionStates0, Renegotiation) ->
+ ConnectionStates = handle_renegotiation_extension(client, RecordCB, Version, Info, Random, CipherSuite,
+ Compression, ConnectionStates0,
+ Renegotiation, SecureRenegotation),
+ case handle_next_protocol(NextProtocolNegotiation, NextProtoSelector, Renegotiation) of
+ #alert{} = Alert ->
+ Alert;
+ Protocol ->
+ {ConnectionStates, Protocol}
+ end.
+
+select_version(RecordCB, ClientVersion, Versions) ->
+ ServerVersion = RecordCB:highest_protocol_version(Versions),
+ RecordCB:lowest_protocol_version(ClientVersion, ServerVersion).
+
+renegotiation_info(_, client, _, false) ->
+ #renegotiation_info{renegotiated_connection = undefined};
+renegotiation_info(RecordCB, server, ConnectionStates, false) ->
+ CS = RecordCB:current_connection_state(ConnectionStates, read),
+ case CS#connection_state.secure_renegotiation of
+ true ->
+ #renegotiation_info{renegotiated_connection = ?byte(0)};
+ false ->
+ #renegotiation_info{renegotiated_connection = undefined}
+ end;
+renegotiation_info(RecordCB, client, ConnectionStates, true) ->
+ CS = RecordCB:current_connection_state(ConnectionStates, read),
+ case CS#connection_state.secure_renegotiation of
+ true ->
+ Data = CS#connection_state.client_verify_data,
+ #renegotiation_info{renegotiated_connection = Data};
+ false ->
+ #renegotiation_info{renegotiated_connection = undefined}
+ end;
+
+renegotiation_info(RecordCB, server, ConnectionStates, true) ->
+ CS = RecordCB:current_connection_state(ConnectionStates, read),
+ case CS#connection_state.secure_renegotiation of
+ true ->
+ CData = CS#connection_state.client_verify_data,
+ SData =CS#connection_state.server_verify_data,
+ #renegotiation_info{renegotiated_connection = <<CData/binary, SData/binary>>};
+ false ->
+ #renegotiation_info{renegotiated_connection = undefined}
+ end.
+
+handle_renegotiation_info(RecordCB, _, #renegotiation_info{renegotiated_connection = ?byte(0)},
+ ConnectionStates, false, _, _) ->
+ {ok, RecordCB:set_renegotiation_flag(true, ConnectionStates)};
+
+handle_renegotiation_info(RecordCB, server, undefined, ConnectionStates, _, _, CipherSuites) ->
+ case is_member(?TLS_EMPTY_RENEGOTIATION_INFO_SCSV, CipherSuites) of
+ true ->
+ {ok, RecordCB:set_renegotiation_flag(true, ConnectionStates)};
+ false ->
+ {ok, RecordCB:set_renegotiation_flag(false, ConnectionStates)}
+ end;
+
+handle_renegotiation_info(RecordCB, _, undefined, ConnectionStates, false, _, _) ->
+ {ok, RecordCB:set_renegotiation_flag(false, ConnectionStates)};
+
+handle_renegotiation_info(RecordCB, client, #renegotiation_info{renegotiated_connection = ClientServerVerify},
+ ConnectionStates, true, _, _) ->
+ CS = RecordCB:current_connection_state(ConnectionStates, read),
+ CData = CS#connection_state.client_verify_data,
+ SData = CS#connection_state.server_verify_data,
+ case <<CData/binary, SData/binary>> == ClientServerVerify of
+ true ->
+ {ok, ConnectionStates};
+ false ->
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)
+ end;
+handle_renegotiation_info(RecordCB, server, #renegotiation_info{renegotiated_connection = ClientVerify},
+ ConnectionStates, true, _, CipherSuites) ->
+
+ case is_member(?TLS_EMPTY_RENEGOTIATION_INFO_SCSV, CipherSuites) of
+ true ->
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE);
+ false ->
+ CS = RecordCB:current_connection_state(ConnectionStates, read),
+ Data = CS#connection_state.client_verify_data,
+ case Data == ClientVerify of
+ true ->
+ {ok, ConnectionStates};
+ false ->
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)
+ end
+ end;
+
+handle_renegotiation_info(RecordCB, client, undefined, ConnectionStates, true, SecureRenegotation, _) ->
+ handle_renegotiation_info(RecordCB, ConnectionStates, SecureRenegotation);
+
+handle_renegotiation_info(RecordCB, server, undefined, ConnectionStates, true, SecureRenegotation, CipherSuites) ->
+ case is_member(?TLS_EMPTY_RENEGOTIATION_INFO_SCSV, CipherSuites) of
+ true ->
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE);
+ false ->
+ handle_renegotiation_info(RecordCB, ConnectionStates, SecureRenegotation)
+ end.
+
+handle_renegotiation_info(RecordCB, ConnectionStates, SecureRenegotation) ->
+ CS = RecordCB:current_connection_state(ConnectionStates, read),
+ case {SecureRenegotation, CS#connection_state.secure_renegotiation} of
+ {_, true} ->
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE);
+ {true, false} ->
+ ?ALERT_REC(?FATAL, ?NO_RENEGOTIATION);
+ {false, false} ->
+ {ok, ConnectionStates}
+ end.
+
+hello_extensions_list(#hello_extensions{renegotiation_info = RenegotiationInfo,
+ srp = SRP,
+ hash_signs = HashSigns,
+ ec_point_formats = EcPointFormats,
+ elliptic_curves = EllipticCurves,
+ next_protocol_negotiation = NextProtocolNegotiation}) ->
+ [Ext || Ext <- [RenegotiationInfo, SRP, HashSigns,
+ EcPointFormats,EllipticCurves, NextProtocolNegotiation], Ext =/= undefined].
+
+srp_user(#ssl_options{srp_identity = {UserName, _}}) ->
+ #srp{username = UserName};
+srp_user(_) ->
+ undefined.
+
+ecc_extensions(Module, Version) ->
+ CryptoSupport = proplists:get_value(public_keys, crypto:supports()),
+ case proplists:get_bool(ecdh, CryptoSupport) of
+ true ->
+ EcPointFormats = #ec_point_formats{ec_point_format_list = [?ECPOINT_UNCOMPRESSED]},
+ EllipticCurves = #elliptic_curves{elliptic_curve_list = Module:ecc_curves(Version)},
+ {EcPointFormats, EllipticCurves};
+ _ ->
+ {undefined, undefined}
+ end.
+
+handle_ecc_extensions(Version, EcPointFormats0, EllipticCurves0) ->
+ CryptoSupport = proplists:get_value(public_keys, crypto:supports()),
+ case proplists:get_bool(ecdh, CryptoSupport) of
+ true ->
+ EcPointFormats1 = handle_ecc_point_fmt_extension(EcPointFormats0),
+ EllipticCurves1 = handle_ecc_curves_extension(Version, EllipticCurves0),
+ {EcPointFormats1, EllipticCurves1};
+ _ ->
+ {undefined, undefined}
+ end.
+
+handle_ecc_point_fmt_extension(undefined) ->
+ undefined;
+handle_ecc_point_fmt_extension(_) ->
+ #ec_point_formats{ec_point_format_list = [?ECPOINT_UNCOMPRESSED]}.
+
+handle_ecc_curves_extension(_Version, undefined) ->
+ undefined;
+handle_ecc_curves_extension(Version, _) ->
+ #elliptic_curves{elliptic_curve_list = tls_v1:ecc_curves(Version)}.
+
+-define(TLSEXT_SIGALG_RSA(MD), {MD, rsa}).
+-define(TLSEXT_SIGALG_DSA(MD), {MD, dsa}).
+-define(TLSEXT_SIGALG_ECDSA(MD), {MD, ecdsa}).
+
+-define(TLSEXT_SIGALG(MD), ?TLSEXT_SIGALG_ECDSA(MD), ?TLSEXT_SIGALG_RSA(MD)).
+
+default_hash_signs() ->
+ HashSigns = [?TLSEXT_SIGALG(sha512),
+ ?TLSEXT_SIGALG(sha384),
+ ?TLSEXT_SIGALG(sha256),
+ ?TLSEXT_SIGALG(sha224),
+ ?TLSEXT_SIGALG(sha),
+ ?TLSEXT_SIGALG_DSA(sha),
+ ?TLSEXT_SIGALG_RSA(md5)],
+ CryptoSupport = proplists:get_value(public_keys, crypto:supports()),
+ HasECC = proplists:get_bool(ecdsa, CryptoSupport),
+ #hash_sign_algos{hash_sign_algos =
+ lists:filter(fun({_, ecdsa}) -> HasECC;
+ (_) -> true end, HashSigns)}.
+
+advertises_ec_ciphers([]) ->
+ false;
+advertises_ec_ciphers([{ecdh_ecdsa, _,_,_} | _]) ->
+ true;
+advertises_ec_ciphers([{ecdhe_ecdsa, _,_,_} | _]) ->
+ true;
+advertises_ec_ciphers([{ecdh_rsa, _,_,_} | _]) ->
+ true;
+advertises_ec_ciphers([{ecdhe_rsa, _,_,_} | _]) ->
+ true;
+advertises_ec_ciphers([{ecdh_anon, _,_,_} | _]) ->
+ true;
+advertises_ec_ciphers([_| Rest]) ->
+ advertises_ec_ciphers(Rest).
+
+%%--------------------------------------------------------------------
+%%% Internal functions
+%%--------------------------------------------------------------------
+apply_user_fun(Fun, OtpCert, ExtensionOrError, UserState0, SslState) ->
+ case Fun(OtpCert, ExtensionOrError, UserState0) of
+ {valid, UserState} ->
+ {valid, {SslState, UserState}};
+ {fail, _} = Fail ->
+ Fail;
+ {unknown, UserState} ->
+ {unknown, {SslState, UserState}}
+ end.
+path_validation_alert({bad_cert, cert_expired}) ->
+ ?ALERT_REC(?FATAL, ?CERTIFICATE_EXPIRED);
+path_validation_alert({bad_cert, invalid_issuer}) ->
+ ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE);
+path_validation_alert({bad_cert, invalid_signature}) ->
+ ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE);
+path_validation_alert({bad_cert, name_not_permitted}) ->
+ ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE);
+path_validation_alert({bad_cert, unknown_critical_extension}) ->
+ ?ALERT_REC(?FATAL, ?UNSUPPORTED_CERTIFICATE);
+path_validation_alert({bad_cert, cert_revoked}) ->
+ ?ALERT_REC(?FATAL, ?CERTIFICATE_REVOKED);
+path_validation_alert({bad_cert, selfsigned_peer}) ->
+ ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE);
+path_validation_alert({bad_cert, unknown_ca}) ->
+ ?ALERT_REC(?FATAL, ?UNKNOWN_CA);
+path_validation_alert(_) ->
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE).
+
+encrypted_premaster_secret(Secret, RSAPublicKey) ->
+ try
+ PreMasterSecret = public_key:encrypt_public(Secret, RSAPublicKey,
+ [{rsa_pad,
+ rsa_pkcs1_padding}]),
+ #encrypted_premaster_secret{premaster_secret = PreMasterSecret}
+ catch
+ _:_->
+ throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE))
+ end.
+
+digitally_signed({3, Minor}, Hash, HashAlgo, Key) when Minor >= 3 ->
+ public_key:sign({digest, Hash}, HashAlgo, Key);
+digitally_signed(_Version, Hash, HashAlgo, #'DSAPrivateKey'{} = Key) ->
+ public_key:sign({digest, Hash}, HashAlgo, Key);
+digitally_signed(_Version, Hash, _HashAlgo, #'RSAPrivateKey'{} = Key) ->
+ public_key:encrypt_private(Hash, Key,
+ [{rsa_pad, rsa_pkcs1_padding}]);
+digitally_signed(_Version, Hash, HashAlgo, Key) ->
+ public_key:sign({digest, Hash}, HashAlgo, Key).
+
+calc_certificate_verify({3, 0}, HashAlgo, MasterSecret, Handshake) ->
+ ssl_v3:certificate_verify(HashAlgo, MasterSecret, lists:reverse(Handshake));
+calc_certificate_verify({3, N}, HashAlgo, _MasterSecret, Handshake) ->
+ tls_v1:certificate_verify(HashAlgo, N, lists:reverse(Handshake)).
+
+calc_finished({3, 0}, Role, _PrfAlgo, MasterSecret, Handshake) ->
+ ssl_v3:finished(Role, MasterSecret, lists:reverse(Handshake));
+calc_finished({3, N}, Role, PrfAlgo, MasterSecret, Handshake) ->
+ tls_v1:finished(Role, N, PrfAlgo, MasterSecret, lists:reverse(Handshake)).
+
+master_secret(RecordCB, Version, MasterSecret,
+ #security_parameters{
+ client_random = ClientRandom,
+ server_random = ServerRandom,
+ hash_size = HashSize,
+ prf_algorithm = PrfAlgo,
+ key_material_length = KML,
+ expanded_key_material_length = EKML,
+ iv_size = IVS},
+ ConnectionStates, Role) ->
+ {ClientWriteMacSecret, ServerWriteMacSecret, ClientWriteKey,
+ ServerWriteKey, ClientIV, ServerIV} =
+ setup_keys(Version, PrfAlgo, MasterSecret, ServerRandom,
+ ClientRandom, HashSize, KML, EKML, IVS),
+
+ ConnStates1 = RecordCB:set_master_secret(MasterSecret, ConnectionStates),
+ ConnStates2 =
+ RecordCB:set_mac_secret(ClientWriteMacSecret, ServerWriteMacSecret,
+ Role, ConnStates1),
+
+ ClientCipherState = #cipher_state{iv = ClientIV, key = ClientWriteKey},
+ ServerCipherState = #cipher_state{iv = ServerIV, key = ServerWriteKey},
+ {MasterSecret,
+ RecordCB:set_pending_cipher_state(ConnStates2, ClientCipherState,
+ ServerCipherState, Role)}.
+
+setup_keys({3,0}, _PrfAlgo, MasterSecret,
+ ServerRandom, ClientRandom, HashSize, KML, EKML, IVS) ->
+ ssl_v3:setup_keys(MasterSecret, ServerRandom,
+ ClientRandom, HashSize, KML, EKML, IVS);
+
+setup_keys({3,N}, PrfAlgo, MasterSecret,
+ ServerRandom, ClientRandom, HashSize, KML, _EKML, IVS) ->
+ tls_v1:setup_keys(N, PrfAlgo, MasterSecret, ServerRandom, ClientRandom, HashSize,
+ KML, IVS).
+
+calc_master_secret({3,0}, _PrfAlgo, PremasterSecret, ClientRandom, ServerRandom) ->
+ ssl_v3:master_secret(PremasterSecret, ClientRandom, ServerRandom);
+
+calc_master_secret({3,_}, PrfAlgo, PremasterSecret, ClientRandom, ServerRandom) ->
+ tls_v1:master_secret(PrfAlgo, PremasterSecret, ClientRandom, ServerRandom).
+
+handle_renegotiation_extension(Role, RecordCB, Version, Info, Random, CipherSuite, Compression,
+ ConnectionStates0, Renegotiation, SecureRenegotation) ->
+ case handle_renegotiation_info(RecordCB, Role, Info, ConnectionStates0,
+ Renegotiation, SecureRenegotation,
+ [CipherSuite]) of
+ {ok, ConnectionStates} ->
+ hello_pending_connection_states(RecordCB, Role,
+ Version,
+ CipherSuite,
+ Random,
+ Compression,
+ ConnectionStates);
+ #alert{} = Alert ->
+ throw(Alert)
+ end.
+
+%% Update pending connection states with parameters exchanged via
+%% hello messages
+%% NOTE : Role is the role of the receiver of the hello message
+%% currently being processed.
+hello_pending_connection_states(RecordCB, Role, Version, CipherSuite, Random, Compression,
+ ConnectionStates) ->
+ ReadState =
+ RecordCB:pending_connection_state(ConnectionStates, read),
+ WriteState =
+ RecordCB:pending_connection_state(ConnectionStates, write),
+
+ NewReadSecParams =
+ hello_security_parameters(Role, Version, ReadState, CipherSuite,
+ Random, Compression),
+
+ NewWriteSecParams =
+ hello_security_parameters(Role, Version, WriteState, CipherSuite,
+ Random, Compression),
+
+ RecordCB:update_security_params(NewReadSecParams,
+ NewWriteSecParams,
+ ConnectionStates).
+
+hello_security_parameters(client, Version, ConnectionState, CipherSuite, Random,
+ Compression) ->
+ SecParams = ConnectionState#connection_state.security_parameters,
+ NewSecParams = ssl_cipher:security_parameters(Version, CipherSuite, SecParams),
+ NewSecParams#security_parameters{
+ server_random = Random,
+ compression_algorithm = Compression
+ };
+
+hello_security_parameters(server, Version, ConnectionState, CipherSuite, Random,
+ Compression) ->
+ SecParams = ConnectionState#connection_state.security_parameters,
+ NewSecParams = ssl_cipher:security_parameters(Version, CipherSuite, SecParams),
+ NewSecParams#security_parameters{
+ client_random = Random,
+ compression_algorithm = Compression
+ }.
+
+%%-------------Encode/Decode --------------------------------
+
+encode_server_key(#server_dh_params{dh_p = P, dh_g = G, dh_y = Y}) ->
+ PLen = byte_size(P),
+ GLen = byte_size(G),
+ YLen = byte_size(Y),
+ <<?UINT16(PLen), P/binary, ?UINT16(GLen), G/binary, ?UINT16(YLen), Y/binary>>;
+encode_server_key(#server_ecdh_params{curve = {namedCurve, ECCurve}, public = ECPubKey}) ->
+ %%TODO: support arbitrary keys
+ KLen = size(ECPubKey),
+ <<?BYTE(?NAMED_CURVE), ?UINT16((tls_v1:oid_to_enum(ECCurve))),
+ ?BYTE(KLen), ECPubKey/binary>>;
+encode_server_key(#server_psk_params{hint = PskIdentityHint}) ->
+ Len = byte_size(PskIdentityHint),
+ <<?UINT16(Len), PskIdentityHint/binary>>;
+encode_server_key(Params = #server_dhe_psk_params{hint = undefined}) ->
+ encode_server_key(Params#server_dhe_psk_params{hint = <<>>});
+encode_server_key(#server_dhe_psk_params{
+ hint = PskIdentityHint,
+ dh_params = #server_dh_params{dh_p = P, dh_g = G, dh_y = Y}}) ->
+ Len = byte_size(PskIdentityHint),
+ PLen = byte_size(P),
+ GLen = byte_size(G),
+ YLen = byte_size(Y),
+ <<?UINT16(Len), PskIdentityHint/binary,
+ ?UINT16(PLen), P/binary, ?UINT16(GLen), G/binary, ?UINT16(YLen), Y/binary>>;
+encode_server_key(#server_srp_params{srp_n = N, srp_g = G, srp_s = S, srp_b = B}) ->
+ NLen = byte_size(N),
+ GLen = byte_size(G),
+ SLen = byte_size(S),
+ BLen = byte_size(B),
+ <<?UINT16(NLen), N/binary, ?UINT16(GLen), G/binary,
+ ?BYTE(SLen), S/binary, ?UINT16(BLen), B/binary>>.
+
+encode_client_key(#encrypted_premaster_secret{premaster_secret = PKEPMS},{3, 0}) ->
+ PKEPMS;
+encode_client_key(#encrypted_premaster_secret{premaster_secret = PKEPMS}, _) ->
+ PKEPMSLen = byte_size(PKEPMS),
+ <<?UINT16(PKEPMSLen), PKEPMS/binary>>;
+encode_client_key(#client_diffie_hellman_public{dh_public = DHPublic}, _) ->
+ Len = byte_size(DHPublic),
+ <<?UINT16(Len), DHPublic/binary>>;
+encode_client_key(#client_ec_diffie_hellman_public{dh_public = DHPublic}, _) ->
+ Len = byte_size(DHPublic),
+ <<?BYTE(Len), DHPublic/binary>>;
+encode_client_key(#client_psk_identity{identity = undefined}, _) ->
+ Id = <<"psk_identity">>,
+ Len = byte_size(Id),
+ <<?UINT16(Len), Id/binary>>;
+encode_client_key(#client_psk_identity{identity = Id}, _) ->
+ Len = byte_size(Id),
+ <<?UINT16(Len), Id/binary>>;
+encode_client_key(Identity = #client_dhe_psk_identity{identity = undefined}, Version) ->
+ encode_client_key(Identity#client_dhe_psk_identity{identity = <<"psk_identity">>}, Version);
+encode_client_key(#client_dhe_psk_identity{identity = Id, dh_public = DHPublic}, _) ->
+ Len = byte_size(Id),
+ DHLen = byte_size(DHPublic),
+ <<?UINT16(Len), Id/binary, ?UINT16(DHLen), DHPublic/binary>>;
+encode_client_key(Identity = #client_rsa_psk_identity{identity = undefined}, Version) ->
+ encode_client_key(Identity#client_rsa_psk_identity{identity = <<"psk_identity">>}, Version);
+encode_client_key(#client_rsa_psk_identity{identity = Id, exchange_keys = ExchangeKeys}, Version) ->
+ EncPMS = encode_client_key(ExchangeKeys, Version),
+ Len = byte_size(Id),
+ <<?UINT16(Len), Id/binary, EncPMS/binary>>;
+encode_client_key(#client_srp_public{srp_a = A}, _) ->
+ Len = byte_size(A),
+ <<?UINT16(Len), A/binary>>.
+
+enc_sign({_, anon}, _Sign, _Version) ->
+ <<>>;
+enc_sign({HashAlg, SignAlg}, Signature, _Version = {Major, Minor})
+ when Major == 3, Minor >= 3->
+ SignLen = byte_size(Signature),
+ HashSign = enc_hashsign(HashAlg, SignAlg),
+ <<HashSign/binary, ?UINT16(SignLen), Signature/binary>>;
+enc_sign(_HashSign, Sign, _Version) ->
+ SignLen = byte_size(Sign),
+ <<?UINT16(SignLen), Sign/binary>>.
+
+enc_hashsign(HashAlgo, SignAlgo) ->
+ Hash = ssl_cipher:hash_algorithm(HashAlgo),
+ Sign = ssl_cipher:sign_algorithm(SignAlgo),
+ <<?BYTE(Hash), ?BYTE(Sign)>>.
+
+encode_protocol(Protocol, Acc) ->
+ Len = byte_size(Protocol),
+ <<Acc/binary, ?BYTE(Len), Protocol/binary>>.
+
+dec_client_key(PKEPMS, ?KEY_EXCHANGE_RSA, {3, 0}) ->
+ #encrypted_premaster_secret{premaster_secret = PKEPMS};
+dec_client_key(<<?UINT16(_), PKEPMS/binary>>, ?KEY_EXCHANGE_RSA, _) ->
+ #encrypted_premaster_secret{premaster_secret = PKEPMS};
+dec_client_key(<<>>, ?KEY_EXCHANGE_DIFFIE_HELLMAN, _) ->
+ throw(?ALERT_REC(?FATAL, ?UNSUPPORTED_CERTIFICATE));
+dec_client_key(<<?UINT16(DH_YLen), DH_Y:DH_YLen/binary>>,
+ ?KEY_EXCHANGE_DIFFIE_HELLMAN, _) ->
+ #client_diffie_hellman_public{dh_public = DH_Y};
+dec_client_key(<<>>, ?KEY_EXCHANGE_EC_DIFFIE_HELLMAN, _) ->
+ throw(?ALERT_REC(?FATAL, ?UNSUPPORTED_CERTIFICATE));
+dec_client_key(<<?BYTE(DH_YLen), DH_Y:DH_YLen/binary>>,
+ ?KEY_EXCHANGE_EC_DIFFIE_HELLMAN, _) ->
+ #client_ec_diffie_hellman_public{dh_public = DH_Y};
+dec_client_key(<<?UINT16(Len), Id:Len/binary>>,
+ ?KEY_EXCHANGE_PSK, _) ->
+ #client_psk_identity{identity = Id};
+dec_client_key(<<?UINT16(Len), Id:Len/binary,
+ ?UINT16(DH_YLen), DH_Y:DH_YLen/binary>>,
+ ?KEY_EXCHANGE_DHE_PSK, _) ->
+ #client_dhe_psk_identity{identity = Id, dh_public = DH_Y};
+dec_client_key(<<?UINT16(Len), Id:Len/binary, PKEPMS/binary>>,
+ ?KEY_EXCHANGE_RSA_PSK, {3, 0}) ->
+ #client_rsa_psk_identity{identity = Id,
+ exchange_keys = #encrypted_premaster_secret{premaster_secret = PKEPMS}};
+dec_client_key(<<?UINT16(Len), Id:Len/binary, ?UINT16(_), PKEPMS/binary>>,
+ ?KEY_EXCHANGE_RSA_PSK, _) ->
+ #client_rsa_psk_identity{identity = Id,
+ exchange_keys = #encrypted_premaster_secret{premaster_secret = PKEPMS}};
+dec_client_key(<<?UINT16(ALen), A:ALen/binary>>,
+ ?KEY_EXCHANGE_SRP, _) ->
+ #client_srp_public{srp_a = A}.
+
+dec_server_key_params(Len, Keys, Version) ->
+ <<Params:Len/bytes, Signature/binary>> = Keys,
+ dec_server_key_signature(Params, Signature, Version).
+
+dec_server_key_signature(Params, <<?BYTE(HashAlgo), ?BYTE(SignAlgo),
+ ?UINT16(0)>>, {Major, Minor})
+ when Major == 3, Minor >= 3 ->
+ HashSign = {ssl_cipher:hash_algorithm(HashAlgo), ssl_cipher:sign_algorithm(SignAlgo)},
+ {Params, HashSign, <<>>};
+dec_server_key_signature(Params, <<?BYTE(HashAlgo), ?BYTE(SignAlgo),
+ ?UINT16(Len), Signature:Len/binary>>, {Major, Minor})
+ when Major == 3, Minor >= 3 ->
+ HashSign = {ssl_cipher:hash_algorithm(HashAlgo), ssl_cipher:sign_algorithm(SignAlgo)},
+ {Params, HashSign, Signature};
+dec_server_key_signature(Params, <<>>, _) ->
+ {Params, {null, anon}, <<>>};
+dec_server_key_signature(Params, <<?UINT16(0)>>, _) ->
+ {Params, {null, anon}, <<>>};
+dec_server_key_signature(Params, <<?UINT16(Len), Signature:Len/binary>>, _) ->
+ {Params, undefined, Signature};
+dec_server_key_signature(_, _, _) ->
+ throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)).
+
+
+dec_hello_extensions(<<>>, Acc) ->
+ Acc;
+dec_hello_extensions(<<?UINT16(?NEXTPROTONEG_EXT), ?UINT16(Len), ExtensionData:Len/binary,
+ Rest/binary>>, Acc) ->
+ dec_hello_extensions(Rest,
+ Acc#hello_extensions{next_protocol_negotiation =
+ #next_protocol_negotiation{extension_data = ExtensionData}});
+dec_hello_extensions(<<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), Info:Len/binary, Rest/binary>>, Acc) ->
+ RenegotiateInfo = case Len of
+ 1 -> % Initial handshake
+ Info; % should be <<0>> will be matched in handle_renegotiation_info
+ _ ->
+ VerifyLen = Len - 1,
+ <<?BYTE(VerifyLen), VerifyInfo/binary>> = Info,
+ VerifyInfo
+ end,
+ dec_hello_extensions(Rest,
+ Acc#hello_extensions{renegotiation_info =
+ #renegotiation_info{renegotiated_connection = RenegotiateInfo}});
+
+dec_hello_extensions(<<?UINT16(?SRP_EXT), ?UINT16(Len), ?BYTE(SRPLen), SRP:SRPLen/binary, Rest/binary>>, Acc)
+ when Len == SRPLen + 2 ->
+ dec_hello_extensions(Rest, Acc#hello_extensions{srp = #srp{username = SRP}});
+
+dec_hello_extensions(<<?UINT16(?SIGNATURE_ALGORITHMS_EXT), ?UINT16(Len),
+ ExtData:Len/binary, Rest/binary>>, Acc) ->
+ SignAlgoListLen = Len - 2,
+ <<?UINT16(SignAlgoListLen), SignAlgoList/binary>> = ExtData,
+ HashSignAlgos = [{ssl_cipher:hash_algorithm(Hash), ssl_cipher:sign_algorithm(Sign)} ||
+ <<?BYTE(Hash), ?BYTE(Sign)>> <= SignAlgoList],
+ dec_hello_extensions(Rest, Acc#hello_extensions{hash_signs =
+ #hash_sign_algos{hash_sign_algos = HashSignAlgos}});
+
+dec_hello_extensions(<<?UINT16(?ELLIPTIC_CURVES_EXT), ?UINT16(Len),
+ ExtData:Len/binary, Rest/binary>>, Acc) ->
+ EllipticCurveListLen = Len - 2,
+ <<?UINT16(EllipticCurveListLen), EllipticCurveList/binary>> = ExtData,
+ EllipticCurves = [tls_v1:enum_to_oid(X) || <<X:16>> <= EllipticCurveList],
+ dec_hello_extensions(Rest, Acc#hello_extensions{elliptic_curves =
+ #elliptic_curves{elliptic_curve_list =
+ EllipticCurves}});
+dec_hello_extensions(<<?UINT16(?EC_POINT_FORMATS_EXT), ?UINT16(Len), ?BYTE(_),
+ ExtData:Len/binary, Rest/binary>>, Acc) ->
+ %%ECPointFormatListLen = Len - 1,
+ <<?BYTE(_), ECPointFormatList/binary>> = ExtData,
+ ECPointFormats = binary_to_list(ECPointFormatList),
+ dec_hello_extensions(Rest,
+ Acc#hello_extensions{ec_point_formats =
+ #ec_point_formats{ec_point_format_list = ECPointFormats}});
+
+%% Ignore data following the ClientHello (i.e.,
+%% extensions) if not understood.
+
+dec_hello_extensions(<<?UINT16(_), ?UINT16(Len), _Unknown:Len/binary, Rest/binary>>, Acc) ->
+ dec_hello_extensions(Rest, Acc);
+%% This theoretically should not happen if the protocol is followed, but if it does it is ignored.
+dec_hello_extensions(_, Acc) ->
+ Acc.
+
+dec_hashsign(<<?BYTE(HashAlgo), ?BYTE(SignAlgo)>>) ->
+ {ssl_cipher:hash_algorithm(HashAlgo), ssl_cipher:sign_algorithm(SignAlgo)}.
+
+decode_next_protocols({next_protocol_negotiation, Protocols}) ->
+ decode_next_protocols(Protocols, []).
+decode_next_protocols(<<>>, Acc) ->
+ lists:reverse(Acc);
+decode_next_protocols(<<?BYTE(Len), Protocol:Len/binary, Rest/binary>>, Acc) ->
+ case Len of
+ 0 ->
+ {error, invalid_next_protocols};
+ _ ->
+ decode_next_protocols(Rest, [Protocol|Acc])
+ end;
+decode_next_protocols(_Bytes, _Acc) ->
+ {error, invalid_next_protocols}.
+
+%% encode/decode stream of certificate data to/from list of certificate data
+certs_to_list(ASN1Certs) ->
+ certs_to_list(ASN1Certs, []).
+
+certs_to_list(<<?UINT24(CertLen), Cert:CertLen/binary, Rest/binary>>, Acc) ->
+ certs_to_list(Rest, [Cert | Acc]);
+certs_to_list(<<>>, Acc) ->
+ lists:reverse(Acc, []).
+
+certs_from_list(ACList) ->
+ list_to_binary([begin
+ CertLen = byte_size(Cert),
+ <<?UINT24(CertLen), Cert/binary>>
+ end || Cert <- ACList]).
+from_3bytes(Bin3) ->
+ from_3bytes(Bin3, []).
+
+from_3bytes(<<>>, Acc) ->
+ lists:reverse(Acc);
+from_3bytes(<<?UINT24(N), Rest/binary>>, Acc) ->
+ from_3bytes(Rest, [?uint16(N) | Acc]).
+
+from_2bytes(Bin2) ->
+ from_2bytes(Bin2, []).
+
+from_2bytes(<<>>, Acc) ->
+ lists:reverse(Acc);
+from_2bytes(<<?UINT16(N), Rest/binary>>, Acc) ->
+ from_2bytes(Rest, [?uint16(N) | Acc]).
+key_exchange_alg(rsa) ->
+ ?KEY_EXCHANGE_RSA;
+key_exchange_alg(Alg) when Alg == dhe_rsa; Alg == dhe_dss;
+ Alg == dh_dss; Alg == dh_rsa; Alg == dh_anon ->
+ ?KEY_EXCHANGE_DIFFIE_HELLMAN;
+key_exchange_alg(Alg) when Alg == ecdhe_rsa; Alg == ecdh_rsa;
+ Alg == ecdhe_ecdsa; Alg == ecdh_ecdsa;
+ Alg == ecdh_anon ->
+ ?KEY_EXCHANGE_EC_DIFFIE_HELLMAN;
+key_exchange_alg(psk) ->
+ ?KEY_EXCHANGE_PSK;
+key_exchange_alg(dhe_psk) ->
+ ?KEY_EXCHANGE_DHE_PSK;
+key_exchange_alg(rsa_psk) ->
+ ?KEY_EXCHANGE_RSA_PSK;
+key_exchange_alg(Alg)
+ when Alg == srp_rsa; Alg == srp_dss; Alg == srp_anon ->
+ ?KEY_EXCHANGE_SRP;
+key_exchange_alg(_) ->
+ ?NULL.
+
+%%-------------Extension handling --------------------------------
+
+handle_next_protocol(undefined,
+ _NextProtocolSelector, _Renegotiating) ->
+ undefined;
+
+handle_next_protocol(#next_protocol_negotiation{} = NextProtocols,
+ NextProtocolSelector, Renegotiating) ->
+
+ case next_protocol_extension_allowed(NextProtocolSelector, Renegotiating) of
+ true ->
+ select_next_protocol(decode_next_protocols(NextProtocols), NextProtocolSelector);
+ false ->
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE) % unexpected next protocol extension
+ end.
+
+
+handle_next_protocol_extension(NextProtocolNegotiation, Renegotiation, SslOpts)->
+ case handle_next_protocol_on_server(NextProtocolNegotiation, Renegotiation, SslOpts) of
+ #alert{} = Alert ->
+ Alert;
+ ProtocolsToAdvertise ->
+ ProtocolsToAdvertise
+ end.
+
+handle_next_protocol_on_server(undefined, _Renegotiation, _SslOpts) ->
+ undefined;
+
+handle_next_protocol_on_server(#next_protocol_negotiation{extension_data = <<>>},
+ false, #ssl_options{next_protocols_advertised = Protocols}) ->
+ Protocols;
+
+handle_next_protocol_on_server(_Hello, _Renegotiation, _SSLOpts) ->
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE). % unexpected next protocol extension
+
+next_protocol_extension_allowed(NextProtocolSelector, Renegotiating) ->
+ NextProtocolSelector =/= undefined andalso not Renegotiating.
+
+select_next_protocol({error, _Reason}, _NextProtocolSelector) ->
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE);
+select_next_protocol(Protocols, NextProtocolSelector) ->
+ case NextProtocolSelector(Protocols) of
+ ?NO_PROTOCOL ->
+ ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE);
+ Protocol when is_binary(Protocol) ->
+ Protocol
+ end.
+
+handle_srp_extension(undefined, Session) ->
+ Session;
+handle_srp_extension(#srp{username = Username}, Session) ->
+ Session#session{srp_username = Username}.
+
+%%-------------Misc --------------------------------
+
+select_cipher_suite([], _) ->
+ no_suite;
+select_cipher_suite([Suite | ClientSuites], SupportedSuites) ->
+ case is_member(Suite, SupportedSuites) of
+ true ->
+ Suite;
+ false ->
+ select_cipher_suite(ClientSuites, SupportedSuites)
+ end.
+
+int_to_bin(I) ->
+ L = (length(integer_to_list(I, 16)) + 1) div 2,
+ <<I:(L*8)>>.
+
+is_member(Suite, SupportedSuites) ->
+ lists:member(Suite, SupportedSuites).
+
+select_compression(_CompressionMetodes) ->
+ ?NULL.
diff --git a/lib/ssl/src/ssl_handshake.hrl b/lib/ssl/src/ssl_handshake.hrl
index eb1a1dbf62..3a3ad8cf35 100644
--- a/lib/ssl/src/ssl_handshake.hrl
+++ b/lib/ssl/src/ssl_handshake.hrl
@@ -28,11 +28,6 @@
-include_lib("public_key/include/public_key.hrl").
--type oid() :: tuple().
--type public_key_params() :: #'Dss-Parms'{} | {namedCurve, oid()} | #'ECParameters'{} | term().
--type public_key_info() :: {oid(), #'RSAPublicKey'{} | integer() | #'ECPoint'{}, public_key_params()}.
--type tls_handshake_history() :: {[binary()], [binary()]}.
-
-define(NO_PROTOCOL, <<>>).
%% Signature algorithms
@@ -96,17 +91,22 @@
%% client_hello defined in tls_handshake.hrl and dtls_handshake.hrl
+-record(hello_extensions, {
+ renegotiation_info,
+ hash_signs, % supported combinations of hashes/signature algos
+ next_protocol_negotiation = undefined, % [binary()]
+ srp,
+ ec_point_formats,
+ elliptic_curves
+ }).
+
-record(server_hello, {
server_version,
random,
session_id, % opaque SessionID<0..32>
cipher_suite, % cipher_suites
compression_method, % compression_method
- renegotiation_info,
- hash_signs, % supported combinations of hashes/signature algos
- ec_point_formats, % supported ec point formats
- elliptic_curves, % supported elliptic curver
- next_protocol_negotiation = undefined % [binary()]
+ extensions
}).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -337,6 +337,20 @@
-define(EXPLICIT_CHAR2, 2).
-define(NAMED_CURVE, 3).
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Dialyzer types
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+-type oid() :: tuple().
+-type public_key_params() :: #'Dss-Parms'{} | {namedCurve, oid()} | #'ECParameters'{} | term().
+-type public_key_info() :: {oid(), #'RSAPublicKey'{} | integer() | #'ECPoint'{}, public_key_params()}.
+-type tls_handshake_history() :: {[binary()], [binary()]}.
+
+-type ssl_handshake() :: #server_hello{} | #server_hello_done{} | #certificate{} | #certificate_request{} |
+ #client_key_exchange{} | #finished{} | #certificate_verify{} |
+ #hello_request{} | #next_protocol{}.
+
+
-endif. % -ifdef(ssl_handshake).
diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl
index de8d20d399..3d282dcdfc 100644
--- a/lib/ssl/src/ssl_internal.hrl
+++ b/lib/ssl/src/ssl_internal.hrl
@@ -50,6 +50,7 @@
-define(UINT16(X), X:16/unsigned-big-integer).
-define(UINT24(X), X:24/unsigned-big-integer).
-define(UINT32(X), X:32/unsigned-big-integer).
+-define(UINT48(X), X:48/unsigned-big-integer).
-define(UINT64(X), X:64/unsigned-big-integer).
-define(STRING(X), ?UINT32((size(X))), (X)/binary).
@@ -57,6 +58,7 @@
-define(uint16(X), << ?UINT16(X) >> ).
-define(uint24(X), << ?UINT24(X) >> ).
-define(uint32(X), << ?UINT32(X) >> ).
+-define(uint48(X), << ?UINT48(X) >> ).
-define(uint64(X), << ?UINT64(X) >> ).
-define(CDR_MAGIC, "GIOP").
@@ -71,6 +73,8 @@
-define(ALL_SUPPORTED_VERSIONS, ['tlsv1.2', 'tlsv1.1', tlsv1, sslv3]).
-define(MIN_SUPPORTED_VERSIONS, ['tlsv1.1', tlsv1, sslv3]).
+-define(ALL_DATAGRAM_SUPPORTED_VERSIONS, ['dtlsv1.2', dtlsv1]).
+-define(MIN_DATAGRAM_SUPPORTED_VERSIONS, ['dtlsv1.2', dtlsv1]).
-record(ssl_options, {
versions, % 'tlsv1.2' | 'tlsv1.1' | tlsv1 | sslv3
@@ -124,6 +128,10 @@
active = true
}).
+-type state_name() :: hello | abbreviated | certify | cipher | connection.
+-type gen_fsm_state_return() :: {next_state, state_name(), term()} |
+ {next_state, state_name(), term(), timeout()} |
+ {stop, term(), term()}.
-endif. % -ifdef(ssl_internal).
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index 0415ea6ecc..b6b0558965 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -106,10 +106,6 @@
base = ?DEFAULT_DIFFIE_HELLMAN_GENERATOR}).
-define(WAIT_TO_ALLOW_RENEGOTIATION, 12000).
--type state_name() :: hello | abbreviated | certify | cipher | connection.
--type gen_fsm_state_return() :: {next_state, state_name(), #state{}} |
- {next_state, state_name(), #state{}, timeout()} |
- {stop, term(), #state{}}.
%%====================================================================
%% Internal application API
@@ -418,15 +414,15 @@ hello(Hello = #client_hello{client_version = ClientVersion,
session_cache_cb = CacheCb,
ssl_options = SslOpts}) ->
- HashSign = tls_handshake:select_hashsign(HashSigns, Cert),
+ HashSign = ssl_handshake:select_hashsign(HashSigns, Cert),
case tls_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb,
ConnectionStates0, Cert}, Renegotiation) of
- {Version, {Type, #session{cipher_suite = CipherSuite} = Session}, ConnectionStates, ProtocolsToAdvertise,
- EcPointFormats, EllipticCurves} ->
+ {Version, {Type, #session{cipher_suite = CipherSuite} = Session}, ConnectionStates,
+ #hello_extensions{ec_point_formats = EcPointFormats,
+ elliptic_curves = EllipticCurves} = ServerHelloExt} ->
{KeyAlgorithm, _, _, _} = ssl_cipher:suite_definition(CipherSuite),
NH = negotiated_hashsign(HashSign, KeyAlgorithm, Version),
- do_server_hello(Type, ProtocolsToAdvertise,
- EcPointFormats, EllipticCurves,
+ do_server_hello(Type, ServerHelloExt,
State#state{connection_states = ConnectionStates,
negotiated_version = Version,
session = Session,
@@ -456,7 +452,7 @@ abbreviated(#finished{verify_data = Data} = Finished,
session = #session{master_secret = MasterSecret},
connection_states = ConnectionStates0} =
State) ->
- case tls_handshake:verify_connection(Version, Finished, client,
+ case ssl_handshake:verify_connection(Version, Finished, client,
get_current_connection_state_prf(ConnectionStates0, write),
MasterSecret, Handshake) of
verified ->
@@ -472,7 +468,7 @@ abbreviated(#finished{verify_data = Data} = Finished,
session = #session{master_secret = MasterSecret},
negotiated_version = Version,
connection_states = ConnectionStates0} = State) ->
- case tls_handshake:verify_connection(Version, Finished, server,
+ case ssl_handshake:verify_connection(Version, Finished, server,
get_pending_connection_state_prf(ConnectionStates0, write),
MasterSecret, Handshake0) of
verified ->
@@ -531,7 +527,7 @@ certify(#certificate{} = Cert,
cert_db = CertDbHandle,
cert_db_ref = CertDbRef,
ssl_options = Opts} = State) ->
- case tls_handshake:certify(Cert, CertDbHandle, CertDbRef, Opts#ssl_options.depth,
+ case ssl_handshake:certify(Cert, CertDbHandle, CertDbRef, Opts#ssl_options.depth,
Opts#ssl_options.verify,
Opts#ssl_options.verify_fun, Role) of
{PeerCert, PublicKeyInfo} ->
@@ -613,7 +609,7 @@ certify(#server_hello_done{},
negotiated_version = Version,
premaster_secret = undefined,
role = client} = State0) ->
- case tls_handshake:master_secret(Version, Session,
+ case ssl_handshake:master_secret(tls_record, Version, Session,
ConnectionStates0, client) of
{MasterSecret, ConnectionStates} ->
State = State0#state{connection_states = ConnectionStates},
@@ -629,7 +625,7 @@ certify(#server_hello_done{},
negotiated_version = Version,
premaster_secret = PremasterSecret,
role = client} = State0) ->
- case tls_handshake:master_secret(Version, PremasterSecret,
+ case ssl_handshake:master_secret(tls_record, Version, PremasterSecret,
ConnectionStates0, client) of
{MasterSecret, ConnectionStates} ->
Session = Session0#session{master_secret = MasterSecret},
@@ -650,7 +646,7 @@ certify(#client_key_exchange{} = Msg,
certify(#client_key_exchange{exchange_keys = Keys},
State = #state{key_algorithm = KeyAlg, negotiated_version = Version}) ->
try
- certify_client_key_exchange(tls_handshake:decode_client_key(Keys, KeyAlg, Version), State)
+ certify_client_key_exchange(ssl_handshake:decode_client_key(Keys, KeyAlg, Version), State)
catch
#alert{} = Alert ->
handle_own_alert(Alert, Version, certify, State)
@@ -668,8 +664,8 @@ certify_client_key_exchange(#encrypted_premaster_secret{premaster_secret= EncPMS
connection_states = ConnectionStates0,
session = Session0,
private_key = Key} = State0) ->
- PremasterSecret = tls_handshake:decrypt_premaster_secret(EncPMS, Key),
- case tls_handshake:master_secret(Version, PremasterSecret,
+ PremasterSecret = ssl_handshake:decrypt_premaster_secret(EncPMS, Key),
+ case ssl_handshake:master_secret(tls_record, Version, PremasterSecret,
ConnectionStates0, server) of
{MasterSecret, ConnectionStates} ->
Session = Session0#session{master_secret = MasterSecret},
@@ -735,7 +731,7 @@ certify_client_key_exchange(#client_rsa_psk_identity{
#encrypted_premaster_secret{premaster_secret= EncPMS}},
#state{negotiated_version = Version,
private_key = Key} = State0) ->
- PremasterSecret = tls_handshake:decrypt_premaster_secret(EncPMS, Key),
+ PremasterSecret = ssl_handshake:decrypt_premaster_secret(EncPMS, Key),
case server_rsa_psk_master_secret(PskIdentity, PremasterSecret, State0) of
#state{} = State1 ->
{Record, State} = next_record(State1),
@@ -775,7 +771,7 @@ cipher(#certificate_verify{signature = Signature, hashsign_algorithm = CertHashS
} = State0) ->
HashSign = tls_handshake:select_cert_hashsign(CertHashSign, Algo, Version),
- case tls_handshake:certificate_verify(Signature, PublicKeyInfo,
+ case ssl_handshake:certificate_verify(Signature, PublicKeyInfo,
Version, HashSign, MasterSecret, Handshake) of
valid ->
{Record, State} = next_record(State0),
@@ -798,7 +794,7 @@ cipher(#finished{verify_data = Data} = Finished,
= Session0,
connection_states = ConnectionStates0,
tls_handshake_history = Handshake0} = State) ->
- case tls_handshake:verify_connection(Version, Finished,
+ case ssl_handshake:verify_connection(Version, Finished,
opposite_role(Role),
get_current_connection_state_prf(ConnectionStates0, read),
MasterSecret, Handshake0) of
@@ -1048,7 +1044,7 @@ handle_sync_event({prf, Secret, Label, Seed, WantedLength}, _, StateName,
(client_random, Acc) -> [ClientRandom|Acc];
(server_random, Acc) -> [ServerRandom|Acc]
end, [], Seed)),
- tls_handshake:prf(Version, SecretToUse, Label, SeedToUse, WantedLength)
+ ssl_handshake:prf(Version, SecretToUse, Label, SeedToUse, WantedLength)
catch
exit:_ -> {error, badarg};
error:Reason -> {error, Reason}
@@ -1414,7 +1410,7 @@ certify_client(#state{client_certificate_requested = true, role = client,
session = #session{own_certificate = OwnCert},
socket = Socket,
tls_handshake_history = Handshake0} = State) ->
- Certificate = tls_handshake:certificate(OwnCert, CertDbHandle, CertDbRef, client),
+ Certificate = ssl_handshake:certificate(OwnCert, CertDbHandle, CertDbRef, client),
{BinCert, ConnectionStates, Handshake} =
encode_handshake(Certificate, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinCert),
@@ -1451,21 +1447,17 @@ verify_client_cert(#state{client_certificate_requested = true, role = client,
verify_client_cert(#state{client_certificate_requested = false} = State) ->
State.
-do_server_hello(Type, NextProtocolsToSend,
- EcPointFormats, EllipticCurves,
+do_server_hello(Type, #hello_extensions{next_protocol_negotiation = NextProtocols} = ServerHelloExt,
#state{negotiated_version = Version,
session = #session{session_id = SessId},
- connection_states = ConnectionStates0,
- renegotiation = {Renegotiation, _}}
+ connection_states = ConnectionStates0}
= State0) when is_atom(Type) ->
ServerHello =
- tls_handshake:server_hello(SessId, Version,
- ConnectionStates0, Renegotiation,
- NextProtocolsToSend, EcPointFormats, EllipticCurves),
+ tls_handshake:server_hello(SessId, Version, ConnectionStates0, ServerHelloExt),
State = server_hello(ServerHello,
State0#state{expecting_next_protocol_negotiation =
- NextProtocolsToSend =/= undefined}),
+ NextProtocols =/= undefined}),
case Type of
new ->
new_server_hello(ServerHello, State);
@@ -1496,7 +1488,7 @@ resumed_server_hello(#state{session = Session,
connection_states = ConnectionStates0,
negotiated_version = Version} = State0) ->
- case tls_handshake:master_secret(Version, Session,
+ case ssl_handshake:master_secret(tls_record, Version, Session,
ConnectionStates0, server) of
{_, ConnectionStates1} ->
State1 = State0#state{connection_states = ConnectionStates1,
@@ -1525,7 +1517,7 @@ handle_resumed_session(SessId, #state{connection_states = ConnectionStates0,
session_cache = Cache,
session_cache_cb = CacheCb} = State0) ->
Session = CacheCb:lookup(Cache, {{Host, Port}, SessId}),
- case tls_handshake:master_secret(Version, Session,
+ case ssl_handshake:master_secret(tls_record, Version, Session,
ConnectionStates0, client) of
{_, ConnectionStates} ->
{Record, State} =
@@ -1584,7 +1576,7 @@ server_hello_done(#state{transport_cb = Transport,
connection_states = ConnectionStates0,
tls_handshake_history = Handshake0} = State) ->
- HelloDone = tls_handshake:server_hello_done(),
+ HelloDone = ssl_handshake:server_hello_done(),
{BinHelloDone, ConnectionStates, Handshake} =
encode_handshake(HelloDone, Version, ConnectionStates0, Handshake0),
@@ -1604,7 +1596,7 @@ certify_server(#state{transport_cb = Transport,
cert_db = CertDbHandle,
cert_db_ref = CertDbRef,
session = #session{own_certificate = OwnCert}} = State) ->
- case tls_handshake:certificate(OwnCert, CertDbHandle, CertDbRef, server) of
+ case ssl_handshake:certificate(OwnCert, CertDbHandle, CertDbRef, server) of
CertMsg = #certificate{} ->
{BinCertMsg, ConnectionStates, Handshake} =
encode_handshake(CertMsg, Version, ConnectionStates0, Handshake0),
@@ -1637,7 +1629,7 @@ key_exchange(#state{role = server, key_algorithm = Algo,
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Msg = tls_handshake:key_exchange(server, Version, {dh, DHKeys, Params,
+ Msg = ssl_handshake:key_exchange(server, Version, {dh, DHKeys, Params,
HashSignAlgo, ClientRandom,
ServerRandom,
PrivateKey}),
@@ -1669,7 +1661,7 @@ key_exchange(#state{role = server, key_algorithm = Algo,
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Msg = tls_handshake:key_exchange(server, Version, {ecdh, ECDHKeys,
+ Msg = ssl_handshake:key_exchange(server, Version, {ecdh, ECDHKeys,
HashSignAlgo, ClientRandom,
ServerRandom,
PrivateKey}),
@@ -1698,7 +1690,7 @@ key_exchange(#state{role = server, key_algorithm = psk,
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Msg = tls_handshake:key_exchange(server, Version, {psk, PskIdentityHint,
+ Msg = ssl_handshake:key_exchange(server, Version, {psk, PskIdentityHint,
HashSignAlgo, ClientRandom,
ServerRandom,
PrivateKey}),
@@ -1725,7 +1717,7 @@ key_exchange(#state{role = server, key_algorithm = dhe_psk,
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Msg = tls_handshake:key_exchange(server, Version, {dhe_psk, PskIdentityHint, DHKeys, Params,
+ Msg = ssl_handshake:key_exchange(server, Version, {dhe_psk, PskIdentityHint, DHKeys, Params,
HashSignAlgo, ClientRandom,
ServerRandom,
PrivateKey}),
@@ -1754,7 +1746,7 @@ key_exchange(#state{role = server, key_algorithm = rsa_psk,
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Msg = tls_handshake:key_exchange(server, Version, {psk, PskIdentityHint,
+ Msg = ssl_handshake:key_exchange(server, Version, {psk, PskIdentityHint,
HashSignAlgo, ClientRandom,
ServerRandom,
PrivateKey}),
@@ -1790,7 +1782,7 @@ key_exchange(#state{role = server, key_algorithm = Algo,
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Msg = tls_handshake:key_exchange(server, Version, {srp, Keys, SrpParams,
+ Msg = ssl_handshake:key_exchange(server, Version, {srp, Keys, SrpParams,
HashSignAlgo, ClientRandom,
ServerRandom,
PrivateKey}),
@@ -1826,7 +1818,7 @@ key_exchange(#state{role = client,
when Algorithm == dhe_dss;
Algorithm == dhe_rsa;
Algorithm == dh_anon ->
- Msg = tls_handshake:key_exchange(client, Version, {dh, DhPubKey}),
+ Msg = ssl_handshake:key_exchange(client, Version, {dh, DhPubKey}),
{BinMsg, ConnectionStates, Handshake} =
encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
@@ -1843,7 +1835,7 @@ key_exchange(#state{role = client,
when Algorithm == ecdhe_ecdsa; Algorithm == ecdhe_rsa;
Algorithm == ecdh_ecdsa; Algorithm == ecdh_rsa;
Algorithm == ecdh_anon ->
- Msg = tls_handshake:key_exchange(client, Version, {ecdh, Keys}),
+ Msg = ssl_handshake:key_exchange(client, Version, {ecdh, Keys}),
{BinMsg, ConnectionStates, Handshake} =
encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
@@ -1857,7 +1849,7 @@ key_exchange(#state{role = client,
negotiated_version = Version,
socket = Socket, transport_cb = Transport,
tls_handshake_history = Handshake0} = State) ->
- Msg = tls_handshake:key_exchange(client, Version, {psk, SslOpts#ssl_options.psk_identity}),
+ Msg = ssl_handshake:key_exchange(client, Version, {psk, SslOpts#ssl_options.psk_identity}),
{BinMsg, ConnectionStates, Handshake} =
encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
@@ -1872,7 +1864,7 @@ key_exchange(#state{role = client,
diffie_hellman_keys = {DhPubKey, _},
socket = Socket, transport_cb = Transport,
tls_handshake_history = Handshake0} = State) ->
- Msg = tls_handshake:key_exchange(client, Version, {dhe_psk, SslOpts#ssl_options.psk_identity, DhPubKey}),
+ Msg = ssl_handshake:key_exchange(client, Version, {dhe_psk, SslOpts#ssl_options.psk_identity, DhPubKey}),
{BinMsg, ConnectionStates, Handshake} =
encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
@@ -1905,7 +1897,7 @@ key_exchange(#state{role = client,
when Algorithm == srp_dss;
Algorithm == srp_rsa;
Algorithm == srp_anon ->
- Msg = tls_handshake:key_exchange(client, Version, {srp, ClientPubKey}),
+ Msg = ssl_handshake:key_exchange(client, Version, {srp, ClientPubKey}),
{BinMsg, ConnectionStates, Handshake} =
encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
@@ -1922,7 +1914,7 @@ rsa_key_exchange(Version, PremasterSecret, PublicKeyInfo = {Algorithm, _, _})
Algorithm == ?sha384WithRSAEncryption;
Algorithm == ?sha512WithRSAEncryption
->
- tls_handshake:key_exchange(client, Version,
+ ssl_handshake:key_exchange(client, Version,
{premaster_secret, PremasterSecret,
PublicKeyInfo});
rsa_key_exchange(_, _, _) ->
@@ -1938,7 +1930,7 @@ rsa_psk_key_exchange(Version, PskIdentity, PremasterSecret, PublicKeyInfo = {Alg
Algorithm == ?sha384WithRSAEncryption;
Algorithm == ?sha512WithRSAEncryption
->
- tls_handshake:key_exchange(client, Version,
+ ssl_handshake:key_exchange(client, Version,
{psk_premaster_secret, PskIdentity, PremasterSecret,
PublicKeyInfo});
rsa_psk_key_exchange(_, _, _, _) ->
@@ -1952,7 +1944,11 @@ request_client_cert(#state{ssl_options = #ssl_options{verify = verify_peer},
negotiated_version = Version,
socket = Socket,
transport_cb = Transport} = State) ->
- Msg = tls_handshake:certificate_request(ConnectionStates0, CertDbHandle, CertDbRef, Version),
+ #connection_state{security_parameters =
+ #security_parameters{cipher_suite = CipherSuite}} =
+ tls_record:pending_connection_state(ConnectionStates0, read),
+ Msg = ssl_handshake:certificate_request(CipherSuite, CertDbHandle, CertDbRef),
+
{BinMsg, ConnectionStates, Handshake} =
encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
@@ -1985,7 +1981,7 @@ next_protocol(#state{transport_cb = Transport, socket = Socket,
next_protocol = NextProtocol,
connection_states = ConnectionStates0,
tls_handshake_history = Handshake0} = State) ->
- NextProtocolMessage = tls_handshake:next_protocol(NextProtocol),
+ NextProtocolMessage = ssl_handshake:next_protocol(NextProtocol),
{BinMsg, ConnectionStates, Handshake} = encode_handshake(NextProtocolMessage, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
State#state{connection_states = ConnectionStates,
@@ -2007,7 +2003,7 @@ finished(#state{role = Role, socket = Socket, negotiated_version = Version,
connection_states = ConnectionStates0,
tls_handshake_history = Handshake0}, StateName) ->
MasterSecret = Session#session.master_secret,
- Finished = tls_handshake:finished(Version, Role,
+ Finished = ssl_handshake:finished(Version, Role,
get_current_connection_state_prf(ConnectionStates0, write),
MasterSecret, Handshake0),
ConnectionStates1 = save_verify_data(Role, Finished, ConnectionStates0, StateName),
@@ -2028,7 +2024,8 @@ save_verify_data(server, #finished{verify_data = Data}, ConnectionStates, abbrev
handle_server_key(#server_key_exchange{exchange_keys = Keys},
#state{key_algorithm = KeyAlg,
negotiated_version = Version} = State) ->
- Params = tls_handshake:decode_server_key(Keys, KeyAlg, Version),
+
+ Params = ssl_handshake:decode_server_key(Keys, KeyAlg, Version),
HashSign = negotiated_hashsign(Params#server_key_params.hashsign, KeyAlg, Version),
case is_anonymous(KeyAlg) of
true ->
@@ -2050,11 +2047,11 @@ verify_server_key(#server_key_params{params = Params,
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Hash = tls_handshake:server_key_exchange_hash(HashAlgo,
+ Hash = ssl_handshake:server_key_exchange_hash(HashAlgo,
<<ClientRandom/binary,
ServerRandom/binary,
EncParams/binary>>),
- case tls_handshake:verify_signature(Version, Hash, HashSign, Signature, PubKeyInfo) of
+ case ssl_handshake:verify_signature(Version, Hash, HashSign, Signature, PubKeyInfo) of
true ->
server_master_secret(Params, State);
false ->
@@ -2090,7 +2087,7 @@ master_from_premaster_secret(PremasterSecret,
#state{session = Session,
negotiated_version = Version, role = Role,
connection_states = ConnectionStates0} = State) ->
- case tls_handshake:master_secret(Version, PremasterSecret,
+ case ssl_handshake:master_secret(tls_record, Version, PremasterSecret,
ConnectionStates0, Role) of
{MasterSecret, ConnectionStates} ->
State#state{
@@ -2926,7 +2923,7 @@ renegotiate(#state{role = server,
transport_cb = Transport,
negotiated_version = Version,
connection_states = ConnectionStates0} = State0) ->
- HelloRequest = tls_handshake:hello_request(),
+ HelloRequest = ssl_handshake:hello_request(),
Frag = tls_handshake:encode_handshake(HelloRequest, Version),
Hs0 = tls_handshake:init_handshake_history(),
{BinMsg, ConnectionStates} =
diff --git a/lib/ssl/src/tls_handshake.erl b/lib/ssl/src/tls_handshake.erl
index 6cc6e9e885..066590afb1 100644
--- a/lib/ssl/src/tls_handshake.erl
+++ b/lib/ssl/src/tls_handshake.erl
@@ -18,7 +18,8 @@
%%
%%----------------------------------------------------------------------
-%% Purpose: Help funtions for handling the SSL-handshake protocol
+%% Purpose: Help funtions for handling the TLS (specific parts of)
+%%% SSL/TLS/DTLS handshake protocol
%%----------------------------------------------------------------------
-module(tls_handshake).
@@ -31,24 +32,9 @@
-include("ssl_srp.hrl").
-include_lib("public_key/include/public_key.hrl").
--export([master_secret/4, client_hello/8, server_hello/7, hello/4,
- hello_request/0, certify/7, certificate/4,
- client_certificate_verify/6, certificate_verify/6, verify_signature/5,
- certificate_request/4, key_exchange/3, server_key_exchange_hash/2,
- finished/5, verify_connection/6, get_tls_handshake/3,
- decode_client_key/3, decode_server_key/3, server_hello_done/0,
- encode_handshake/2, init_handshake_history/0, update_handshake_history/2,
- decrypt_premaster_secret/2, prf/5, next_protocol/1, select_hashsign/2,
- select_cert_hashsign/3]).
-
--export([dec_hello_extensions/2]).
-
--type tls_handshake() :: #client_hello{} | #server_hello{} |
- #server_hello_done{} | #certificate{} | #certificate_request{} |
- #client_key_exchange{} | #finished{} | #certificate_verify{} |
- #hello_request{} | #next_protocol{}.
-
--define(NAMED_CURVE_TYPE, 3).
+-export([client_hello/8, server_hello/4, hello/4,
+ get_tls_handshake/3, encode_handshake/2,
+ init_handshake_history/0, update_handshake_history/2]).
%%====================================================================
%% Internal application API
@@ -68,513 +54,103 @@ client_hello(Host, Port, ConnectionStates,
Version = tls_record:highest_protocol_version(Versions),
Pending = tls_record:pending_connection_state(ConnectionStates, read),
SecParams = Pending#connection_state.security_parameters,
- Ciphers = available_suites(UserSuites, Version),
- SRP = srp_user(SslOpts),
- {EcPointFormats, EllipticCurves} = default_ecc_extensions(Version),
+ CipherSuites = ssl_handshake:available_suites(UserSuites, Version),
+
+ Extensions = ssl_handshake:client_hello_extensions(Version, CipherSuites,
+ SslOpts, ConnectionStates, Renegotiation),
Id = ssl_session:client_id({Host, Port, SslOpts}, Cache, CacheCb, OwnCert),
#client_hello{session_id = Id,
client_version = Version,
- cipher_suites = cipher_suites(Ciphers, Renegotiation),
+ cipher_suites = ssl_handshake:cipher_suites(CipherSuites, Renegotiation),
compression_methods = tls_record:compressions(),
random = SecParams#security_parameters.client_random,
-
- renegotiation_info =
- renegotiation_info(client, ConnectionStates, Renegotiation),
- srp = SRP,
- hash_signs = advertised_hash_signs(Version),
- ec_point_formats = EcPointFormats,
- elliptic_curves = EllipticCurves,
- next_protocol_negotiation =
- encode_client_protocol_negotiation(SslOpts#ssl_options.next_protocol_selector, Renegotiation)
+ extensions = Extensions
}.
-encode_protocol(Protocol, Acc) ->
- Len = byte_size(Protocol),
- <<Acc/binary, ?BYTE(Len), Protocol/binary>>.
-
-encode_protocols_advertised_on_server(undefined) ->
- undefined;
-
-encode_protocols_advertised_on_server(Protocols) ->
- #next_protocol_negotiation{extension_data = lists:foldl(fun encode_protocol/2, <<>>, Protocols)}.
-
%%--------------------------------------------------------------------
--spec server_hello(session_id(), tls_version(), #connection_states{},
- boolean(), [binary()] | undefined,
- #ec_point_formats{} | undefined,
- #elliptic_curves{} | undefined) -> #server_hello{}.
+-spec server_hello(#session{}, tls_version(), #connection_states{},
+ #hello_extensions{}) -> #server_hello{}.
%%
%% Description: Creates a server hello message.
%%--------------------------------------------------------------------
-server_hello(SessionId, Version, ConnectionStates, Renegotiation,
- ProtocolsAdvertisedOnServer, EcPointFormats, EllipticCurves) ->
+server_hello(SessionId, Version, ConnectionStates, Extensions) ->
Pending = tls_record:pending_connection_state(ConnectionStates, read),
SecParams = Pending#connection_state.security_parameters,
+
#server_hello{server_version = Version,
cipher_suite = SecParams#security_parameters.cipher_suite,
compression_method =
SecParams#security_parameters.compression_algorithm,
random = SecParams#security_parameters.server_random,
session_id = SessionId,
- renegotiation_info =
- renegotiation_info(server, ConnectionStates, Renegotiation),
- ec_point_formats = EcPointFormats,
- elliptic_curves = EllipticCurves,
- next_protocol_negotiation = encode_protocols_advertised_on_server(ProtocolsAdvertisedOnServer)
+ extensions = Extensions
}.
%%--------------------------------------------------------------------
--spec hello_request() -> #hello_request{}.
-%%
-%% Description: Creates a hello request message sent by server to
-%% trigger renegotiation.
-%%--------------------------------------------------------------------
-hello_request() ->
- #hello_request{}.
-
-%%--------------------------------------------------------------------
-spec hello(#server_hello{} | #client_hello{}, #ssl_options{},
#connection_states{} | {inet:port_number(), #session{}, db_handle(),
atom(), #connection_states{}, binary()},
boolean()) ->
{tls_version(), session_id(), #connection_states{}, binary() | undefined}|
- {tls_version(), {resumed | new, #session{}}, #connection_states{}, [binary()] | undefined,
+ {tls_version(), {resumed | new, #session{}}, #connection_states{},
+ [binary()] | undefined,
[oid()] | undefined, [oid()] | undefined} |
#alert{}.
%%
%% Description: Handles a recieved hello message
%%--------------------------------------------------------------------
-hello(#server_hello{cipher_suite = CipherSuite, server_version = Version,
- compression_method = Compression, random = Random,
- session_id = SessionId, renegotiation_info = Info,
- hash_signs = _HashSigns} = Hello,
- #ssl_options{secure_renegotiate = SecureRenegotation, next_protocol_selector = NextProtocolSelector,
- versions = SupportedVersions},
+hello(#server_hello{server_version = Version, random = Random,
+ cipher_suite = CipherSuite,
+ compression_method = Compression,
+ session_id = SessionId, extensions = HelloExt},
+ #ssl_options{versions = SupportedVersions} = SslOpt,
ConnectionStates0, Renegotiation) ->
case tls_record:is_acceptable_version(Version, SupportedVersions) of
true ->
- case handle_renegotiation_info(client, Info, ConnectionStates0,
- Renegotiation, SecureRenegotation, []) of
- {ok, ConnectionStates1} ->
- ConnectionStates =
- hello_pending_connection_states(client, Version, CipherSuite, Random,
- Compression, ConnectionStates1),
- case handle_next_protocol(Hello, NextProtocolSelector, Renegotiation) of
- #alert{} = Alert ->
- Alert;
- Protocol ->
- {Version, SessionId, ConnectionStates, Protocol}
- end;
- #alert{} = Alert ->
- Alert
- end;
+ handle_hello_extensions(Version, SessionId, Random, CipherSuite,
+ Compression, HelloExt, SslOpt, ConnectionStates0, Renegotiation);
false ->
?ALERT_REC(?FATAL, ?PROTOCOL_VERSION)
end;
-hello(#client_hello{client_version = ClientVersion} = Hello,
+hello(#client_hello{client_version = ClientVersion,
+ session_id = SugesstedId,
+ cipher_suites = CipherSuites,
+ compression_methods = Compressions,
+ random = Random,
+ extensions = HelloExt},
#ssl_options{versions = Versions} = SslOpts,
{Port, Session0, Cache, CacheCb, ConnectionStates0, Cert}, Renegotiation) ->
- Version = select_version(ClientVersion, Versions),
+ Version = ssl_handshake:select_version(tls_record, ClientVersion, Versions),
case tls_record:is_acceptable_version(Version, Versions) of
true ->
%% TODO: need to take supported Curves into Account when selecting the CipherSuite....
%% if whe have an ECDSA cert with an unsupported curve, we need to drop ECDSA ciphers
{Type, #session{cipher_suite = CipherSuite} = Session1}
- = select_session(Hello, Port, Session0, Version,
- SslOpts, Cache, CacheCb, Cert),
+ = ssl_handshake:select_session(SugesstedId, CipherSuites, Compressions,
+ Port, Session0, Version,
+ SslOpts, Cache, CacheCb, Cert),
case CipherSuite of
no_suite ->
?ALERT_REC(?FATAL, ?INSUFFICIENT_SECURITY);
_ ->
- try handle_hello_extensions(Hello, Version, SslOpts, Session1, ConnectionStates0, Renegotiation) of
- {Session, ConnectionStates, ProtocolsToAdvertise, ECPointFormats, EllipticCurves} ->
- {Version, {Type, Session}, ConnectionStates,
- ProtocolsToAdvertise, ECPointFormats, EllipticCurves}
- catch throw:Alert ->
- Alert
- end
+ handle_hello_extensions(Version, Type, Random, HelloExt,
+ SslOpts, Session1, ConnectionStates0,
+ Renegotiation)
end;
false ->
?ALERT_REC(?FATAL, ?PROTOCOL_VERSION)
end.
%%--------------------------------------------------------------------
--spec certify(#certificate{}, db_handle(), certdb_ref(), integer() | nolimit,
- verify_peer | verify_none, {fun(), term},
- client | server) -> {der_cert(), public_key_info()} | #alert{}.
-%%
-%% Description: Handles a certificate handshake message
-%%--------------------------------------------------------------------
-certify(#certificate{asn1_certificates = ASN1Certs}, CertDbHandle, CertDbRef,
- MaxPathLen, _Verify, VerifyFunAndState, Role) ->
- [PeerCert | _] = ASN1Certs,
-
- ValidationFunAndState =
- case VerifyFunAndState of
- undefined ->
- {fun(OtpCert, ExtensionOrVerifyResult, SslState) ->
- ssl_certificate:validate_extension(OtpCert,
- ExtensionOrVerifyResult, SslState)
- end, Role};
- {Fun, UserState0} ->
- {fun(OtpCert, {extension, _} = Extension, {SslState, UserState}) ->
- case ssl_certificate:validate_extension(OtpCert,
- Extension,
- SslState) of
- {valid, NewSslState} ->
- {valid, {NewSslState, UserState}};
- {fail, Reason} ->
- apply_user_fun(Fun, OtpCert, Reason, UserState,
- SslState);
- {unknown, _} ->
- apply_user_fun(Fun, OtpCert,
- Extension, UserState, SslState)
- end;
- (OtpCert, VerifyResult, {SslState, UserState}) ->
- apply_user_fun(Fun, OtpCert, VerifyResult, UserState,
- SslState)
- end, {Role, UserState0}}
- end,
-
- try
- {TrustedErlCert, CertPath} =
- ssl_certificate:trusted_cert_and_path(ASN1Certs, CertDbHandle, CertDbRef),
- case public_key:pkix_path_validation(TrustedErlCert,
- CertPath,
- [{max_path_length,
- MaxPathLen},
- {verify_fun, ValidationFunAndState}]) of
- {ok, {PublicKeyInfo,_}} ->
- {PeerCert, PublicKeyInfo};
- {error, Reason} ->
- path_validation_alert(Reason)
- end
- catch
- error:_ ->
- %% ASN-1 decode of certificate somehow failed
- ?ALERT_REC(?FATAL, ?CERTIFICATE_UNKNOWN)
- end.
-
-%%--------------------------------------------------------------------
--spec certificate(der_cert(), db_handle(), certdb_ref(), client | server) -> #certificate{} | #alert{}.
-%%
-%% Description: Creates a certificate message.
-%%--------------------------------------------------------------------
-certificate(OwnCert, CertDbHandle, CertDbRef, client) ->
- Chain =
- case ssl_certificate:certificate_chain(OwnCert, CertDbHandle, CertDbRef) of
- {ok, CertChain} ->
- CertChain;
- {error, _} ->
- %% If no suitable certificate is available, the client
- %% SHOULD send a certificate message containing no
- %% certificates. (chapter 7.4.6. RFC 4346)
- []
- end,
- #certificate{asn1_certificates = Chain};
-
-certificate(OwnCert, CertDbHandle, CertDbRef, server) ->
- case ssl_certificate:certificate_chain(OwnCert, CertDbHandle, CertDbRef) of
- {ok, Chain} ->
- #certificate{asn1_certificates = Chain};
- {error, _} ->
- ?ALERT_REC(?FATAL, ?INTERNAL_ERROR)
- end.
-
-%%--------------------------------------------------------------------
--spec client_certificate_verify(undefined | der_cert(), binary(),
- tls_version(), term(), private_key(),
- tls_handshake_history()) ->
- #certificate_verify{} | ignore | #alert{}.
-%%
-%% Description: Creates a certificate_verify message, called by the client.
-%%--------------------------------------------------------------------
-client_certificate_verify(undefined, _, _, _, _, _) ->
- ignore;
-client_certificate_verify(_, _, _, _, undefined, _) ->
- ignore;
-client_certificate_verify(OwnCert, MasterSecret, Version,
- {HashAlgo, _} = HashSign,
- PrivateKey, {Handshake, _}) ->
- case public_key:pkix_is_fixed_dh_cert(OwnCert) of
- true ->
- ?ALERT_REC(?FATAL, ?UNSUPPORTED_CERTIFICATE);
- false ->
- Hashes =
- calc_certificate_verify(Version, HashAlgo, MasterSecret, Handshake),
- Signed = digitally_signed(Version, Hashes, HashAlgo, PrivateKey),
- #certificate_verify{signature = Signed, hashsign_algorithm = HashSign}
- end.
-
-%%--------------------------------------------------------------------
--spec certificate_verify(binary(), public_key_info(), tls_version(), term(),
- binary(), tls_handshake_history()) -> valid | #alert{}.
-%%
-%% Description: Checks that the certificate_verify message is valid.
-%%--------------------------------------------------------------------
-certificate_verify(Signature, PublicKeyInfo, Version,
- HashSign = {HashAlgo, _}, MasterSecret, {_, Handshake}) ->
- Hash = calc_certificate_verify(Version, HashAlgo, MasterSecret, Handshake),
- case verify_signature(Version, Hash, HashSign, Signature, PublicKeyInfo) of
- true ->
- valid;
- _ ->
- ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE)
- end.
-
-%%--------------------------------------------------------------------
--spec verify_signature(tls_version(), binary(), {term(), term()}, binary(),
- public_key_info()) -> true | false.
-%%
-%% Description: Checks that a public_key signature is valid.
-%%--------------------------------------------------------------------
-verify_signature(_Version, _Hash, {_HashAlgo, anon}, _Signature, _) ->
- true;
-verify_signature({3, Minor}, Hash, {HashAlgo, rsa}, Signature, {?rsaEncryption, PubKey, _PubKeyParams})
- when Minor >= 3 ->
- public_key:verify({digest, Hash}, HashAlgo, Signature, PubKey);
-verify_signature(_Version, Hash, _HashAlgo, Signature, {?rsaEncryption, PubKey, _PubKeyParams}) ->
- case public_key:decrypt_public(Signature, PubKey,
- [{rsa_pad, rsa_pkcs1_padding}]) of
- Hash -> true;
- _ -> false
- end;
-verify_signature(_Version, Hash, {HashAlgo, dsa}, Signature, {?'id-dsa', PublicKey, PublicKeyParams}) ->
- public_key:verify({digest, Hash}, HashAlgo, Signature, {PublicKey, PublicKeyParams});
-verify_signature(_Version, Hash, {HashAlgo, ecdsa}, Signature, {?'id-ecPublicKey', PublicKey, PublicKeyParams}) ->
- public_key:verify({digest, Hash}, HashAlgo, Signature, {PublicKey, PublicKeyParams}).
-
-%%--------------------------------------------------------------------
--spec certificate_request(#connection_states{}, db_handle(), certdb_ref(), tls_version()) ->
- #certificate_request{}.
-%%
-%% Description: Creates a certificate_request message, called by the server.
-%%--------------------------------------------------------------------
-certificate_request(ConnectionStates, CertDbHandle, CertDbRef, Version) ->
- #connection_state{security_parameters =
- #security_parameters{cipher_suite = CipherSuite}} =
- tls_record:pending_connection_state(ConnectionStates, read),
- Types = certificate_types(CipherSuite),
- HashSigns = advertised_hash_signs(Version),
- Authorities = certificate_authorities(CertDbHandle, CertDbRef),
- #certificate_request{
- certificate_types = Types,
- hashsign_algorithms = HashSigns,
- certificate_authorities = Authorities
- }.
-
-%%--------------------------------------------------------------------
--spec key_exchange(client | server, tls_version(),
- {premaster_secret, binary(), public_key_info()} |
- {dh, binary()} |
- {dh, {binary(), binary()}, #'DHParameter'{}, {HashAlgo::atom(), SignAlgo::atom()},
- binary(), binary(), private_key()} |
- {ecdh, #'ECPrivateKey'{}} |
- {psk, binary()} |
- {dhe_psk, binary(), binary()} |
- {srp, {binary(), binary()}, #srp_user{}, {HashAlgo::atom(), SignAlgo::atom()},
- binary(), binary(), private_key()}) ->
- #client_key_exchange{} | #server_key_exchange{}.
-%%
-%% Description: Creates a keyexchange message.
-%%--------------------------------------------------------------------
-key_exchange(client, _Version, {premaster_secret, Secret, {_, PublicKey, _}}) ->
- EncPremasterSecret =
- encrypted_premaster_secret(Secret, PublicKey),
- #client_key_exchange{exchange_keys = EncPremasterSecret};
-
-key_exchange(client, _Version, {dh, PublicKey}) ->
- #client_key_exchange{
- exchange_keys = #client_diffie_hellman_public{
- dh_public = PublicKey}
- };
-
-key_exchange(client, _Version, {ecdh, #'ECPrivateKey'{publicKey = {0, ECPublicKey}}}) ->
- #client_key_exchange{
- exchange_keys = #client_ec_diffie_hellman_public{
- dh_public = ECPublicKey}
- };
-
-key_exchange(client, _Version, {psk, Identity}) ->
- #client_key_exchange{
- exchange_keys = #client_psk_identity{
- identity = Identity}
- };
-
-key_exchange(client, _Version, {dhe_psk, Identity, PublicKey}) ->
- #client_key_exchange{
- exchange_keys = #client_dhe_psk_identity{
- identity = Identity,
- dh_public = PublicKey}
- };
-
-key_exchange(client, _Version, {psk_premaster_secret, PskIdentity, Secret, {_, PublicKey, _}}) ->
- EncPremasterSecret =
- encrypted_premaster_secret(Secret, PublicKey),
- #client_key_exchange{
- exchange_keys = #client_rsa_psk_identity{
- identity = PskIdentity,
- exchange_keys = EncPremasterSecret}};
-
-key_exchange(client, _Version, {srp, PublicKey}) ->
- #client_key_exchange{
- exchange_keys = #client_srp_public{
- srp_a = PublicKey}
- };
-
-key_exchange(server, Version, {dh, {PublicKey, _},
- #'DHParameter'{prime = P, base = G},
- HashSign, ClientRandom, ServerRandom, PrivateKey}) ->
- ServerDHParams = #server_dh_params{dh_p = int_to_bin(P),
- dh_g = int_to_bin(G), dh_y = PublicKey},
- enc_server_key_exchange(Version, ServerDHParams, HashSign,
- ClientRandom, ServerRandom, PrivateKey);
-
-key_exchange(server, Version, {ecdh, #'ECPrivateKey'{publicKey = {0, ECPublicKey},
- parameters = ECCurve}, HashSign, ClientRandom, ServerRandom,
- PrivateKey}) ->
- ServerECParams = #server_ecdh_params{curve = ECCurve, public = ECPublicKey},
- enc_server_key_exchange(Version, ServerECParams, HashSign,
- ClientRandom, ServerRandom, PrivateKey);
-
-key_exchange(server, Version, {psk, PskIdentityHint,
- HashSign, ClientRandom, ServerRandom, PrivateKey}) ->
- ServerPSKParams = #server_psk_params{hint = PskIdentityHint},
- enc_server_key_exchange(Version, ServerPSKParams, HashSign,
- ClientRandom, ServerRandom, PrivateKey);
-
-key_exchange(server, Version, {dhe_psk, PskIdentityHint, {PublicKey, _},
- #'DHParameter'{prime = P, base = G},
- HashSign, ClientRandom, ServerRandom, PrivateKey}) ->
- ServerEDHPSKParams = #server_dhe_psk_params{
- hint = PskIdentityHint,
- dh_params = #server_dh_params{dh_p = int_to_bin(P),
- dh_g = int_to_bin(G), dh_y = PublicKey}
- },
- enc_server_key_exchange(Version, ServerEDHPSKParams,
- HashSign, ClientRandom, ServerRandom, PrivateKey);
-
-key_exchange(server, Version, {srp, {PublicKey, _},
- #srp_user{generator = Generator, prime = Prime,
- salt = Salt},
- HashSign, ClientRandom, ServerRandom, PrivateKey}) ->
- ServerSRPParams = #server_srp_params{srp_n = Prime, srp_g = Generator,
- srp_s = Salt, srp_b = PublicKey},
- enc_server_key_exchange(Version, ServerSRPParams, HashSign,
- ClientRandom, ServerRandom, PrivateKey).
-
-enc_server_key_exchange(Version, Params, {HashAlgo, SignAlgo},
- ClientRandom, ServerRandom, PrivateKey) ->
- EncParams = enc_server_key(Params),
- case HashAlgo of
- null ->
- #server_key_params{params = Params,
- params_bin = EncParams,
- hashsign = {null, anon},
- signature = <<>>};
- _ ->
- Hash =
- server_key_exchange_hash(HashAlgo, <<ClientRandom/binary,
- ServerRandom/binary,
- EncParams/binary>>),
- Signature = digitally_signed(Version, Hash, HashAlgo, PrivateKey),
- #server_key_params{params = Params,
- params_bin = EncParams,
- hashsign = {HashAlgo, SignAlgo},
- signature = Signature}
- end.
-
-%%--------------------------------------------------------------------
--spec master_secret(tls_version(), #session{} | binary(), #connection_states{},
- client | server) -> {binary(), #connection_states{}} | #alert{}.
-%%
-%% Description: Sets or calculates the master secret and calculate keys,
-%% updating the pending connection states. The Mastersecret and the update
-%% connection states are returned or an alert if the calculation fails.
-%%-------------------------------------------------------------------
-master_secret(Version, #session{master_secret = Mastersecret},
- ConnectionStates, Role) ->
- ConnectionState =
- tls_record:pending_connection_state(ConnectionStates, read),
- SecParams = ConnectionState#connection_state.security_parameters,
- try master_secret(Version, Mastersecret, SecParams,
- ConnectionStates, Role)
- catch
- exit:Reason ->
- Report = io_lib:format("Key calculation failed due to ~p",
- [Reason]),
- error_logger:error_report(Report),
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)
- end;
-
-master_secret(Version, PremasterSecret, ConnectionStates, Role) ->
- ConnectionState =
- tls_record:pending_connection_state(ConnectionStates, read),
- SecParams = ConnectionState#connection_state.security_parameters,
- #security_parameters{prf_algorithm = PrfAlgo,
- client_random = ClientRandom,
- server_random = ServerRandom} = SecParams,
- try master_secret(Version,
- calc_master_secret(Version,PrfAlgo,PremasterSecret,
- ClientRandom, ServerRandom),
- SecParams, ConnectionStates, Role)
- catch
- exit:Reason ->
- Report = io_lib:format("Master secret calculation failed"
- " due to ~p", [Reason]),
- error_logger:error_report(Report),
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)
- end.
-
--spec next_protocol(binary()) -> #next_protocol{}.
-
-next_protocol(SelectedProtocol) ->
- #next_protocol{selected_protocol = SelectedProtocol}.
-
-%%--------------------------------------------------------------------
--spec finished(tls_version(), client | server, integer(), binary(), tls_handshake_history()) ->
- #finished{}.
-%%
-%% Description: Creates a handshake finished message
-%%-------------------------------------------------------------------
-finished(Version, Role, PrfAlgo, MasterSecret, {Handshake, _}) -> % use the current handshake
- #finished{verify_data =
- calc_finished(Version, Role, PrfAlgo, MasterSecret, Handshake)}.
-
-%%--------------------------------------------------------------------
--spec verify_connection(tls_version(), #finished{}, client | server, integer(), binary(),
- tls_handshake_history()) -> verified | #alert{}.
-%%
-%% Description: Checks the ssl handshake finished message to verify
-%% the connection.
-%%-------------------------------------------------------------------
-verify_connection(Version, #finished{verify_data = Data},
- Role, PrfAlgo, MasterSecret, {_, Handshake}) ->
- %% use the previous hashes
- case calc_finished(Version, Role, PrfAlgo, MasterSecret, Handshake) of
- Data ->
- verified;
- _ ->
- ?ALERT_REC(?FATAL, ?DECRYPT_ERROR)
- end.
-%%--------------------------------------------------------------------
--spec server_hello_done() -> #server_hello_done{}.
-%%
-%% Description: Creates a server hello done message.
-%%--------------------------------------------------------------------
-server_hello_done() ->
- #server_hello_done{}.
-
-%%--------------------------------------------------------------------
-spec encode_handshake(tls_handshake(), tls_version()) -> iolist().
%%
-%% Description: Encode a handshake packet to binary
+%% Description: Encode a handshake packet
%%--------------------------------------------------------------------x
encode_handshake(Package, Version) ->
- {MsgType, Bin} = enc_hs(Package, Version),
+ {MsgType, Bin} = enc_handshake(Package, Version),
Len = byte_size(Bin),
[MsgType, ?uint24(Len), Bin].
@@ -592,30 +168,6 @@ get_tls_handshake(Version, Data, Buffer) ->
get_tls_handshake_aux(Version, list_to_binary([Buffer, Data]), []).
%%--------------------------------------------------------------------
--spec decode_client_key(binary(), key_algo(), tls_version()) ->
- #encrypted_premaster_secret{}
- | #client_diffie_hellman_public{}
- | #client_ec_diffie_hellman_public{}
- | #client_psk_identity{}
- | #client_dhe_psk_identity{}
- | #client_rsa_psk_identity{}
- | #client_srp_public{}.
-%%
-%% Description: Decode client_key data and return appropriate type
-%%--------------------------------------------------------------------
-decode_client_key(ClientKey, Type, Version) ->
- dec_client_key(ClientKey, key_exchange_alg(Type), Version).
-
-%%--------------------------------------------------------------------
--spec decode_server_key(binary(), key_algo(), tls_version()) ->
- #server_key_params{}.
-%%
-%% Description: Decode server_key data and return appropriate type
-%%--------------------------------------------------------------------
-decode_server_key(ServerKey, Type, Version) ->
- dec_server_key(ServerKey, key_exchange_alg(Type), Version).
-
-%%--------------------------------------------------------------------
-spec init_handshake_history() -> tls_handshake_history().
%%
@@ -646,441 +198,20 @@ update_handshake_history({Handshake0, _Prev}, Data) ->
{[Data|Handshake0], Handshake0}.
%%--------------------------------------------------------------------
--spec decrypt_premaster_secret(binary(), #'RSAPrivateKey'{}) -> binary().
-
-%%
-%% Description: Public key decryption using the private key.
-%%--------------------------------------------------------------------
-decrypt_premaster_secret(Secret, RSAPrivateKey) ->
- try public_key:decrypt_private(Secret, RSAPrivateKey,
- [{rsa_pad, rsa_pkcs1_padding}])
- catch
- _:_ ->
- io:format("decrypt_premaster_secret error"),
- throw(?ALERT_REC(?FATAL, ?DECRYPT_ERROR))
- end.
-
-%%--------------------------------------------------------------------
--spec server_key_exchange_hash(md5sha | md5 | sha | sha224 |sha256 | sha384 | sha512, binary()) -> binary().
-%%
-%% Description: Calculate server key exchange hash
-%%--------------------------------------------------------------------
-server_key_exchange_hash(md5sha, Value) ->
- MD5 = crypto:hash(md5, Value),
- SHA = crypto:hash(sha, Value),
- <<MD5/binary, SHA/binary>>;
-
-server_key_exchange_hash(Hash, Value) ->
- crypto:hash(Hash, Value).
-
-%%--------------------------------------------------------------------
--spec prf(tls_version(), binary(), binary(), [binary()], non_neg_integer()) ->
- {ok, binary()} | {error, undefined}.
-%%
-%% Description: use the TLS PRF to generate key material
-%%--------------------------------------------------------------------
-prf({3,0}, _, _, _, _) ->
- {error, undefined};
-prf({3,1}, Secret, Label, Seed, WantedLength) ->
- {ok, ssl_tls1:prf(?MD5SHA, Secret, Label, Seed, WantedLength)};
-prf({3,_N}, Secret, Label, Seed, WantedLength) ->
- {ok, ssl_tls1:prf(?SHA256, Secret, Label, Seed, WantedLength)}.
-
-
-%%--------------------------------------------------------------------
--spec select_hashsign(#hash_sign_algos{}| undefined, undefined | term()) ->
- [{atom(), atom()}] | undefined.
-
-%%
-%% Description:
-%%--------------------------------------------------------------------
-select_hashsign(_, undefined) ->
- {null, anon};
-select_hashsign(undefined, Cert) ->
- #'OTPCertificate'{tbsCertificate = TBSCert} = public_key:pkix_decode_cert(Cert, otp),
- #'OTPSubjectPublicKeyInfo'{algorithm = {_,Algo, _}} = TBSCert#'OTPTBSCertificate'.subjectPublicKeyInfo,
- select_cert_hashsign(undefined, Algo, {undefined, undefined});
-select_hashsign(#hash_sign_algos{hash_sign_algos = HashSigns}, Cert) ->
- #'OTPCertificate'{tbsCertificate = TBSCert} =public_key:pkix_decode_cert(Cert, otp),
- #'OTPSubjectPublicKeyInfo'{algorithm = {_,Algo, _}} = TBSCert#'OTPTBSCertificate'.subjectPublicKeyInfo,
- DefaultHashSign = {_, Sign} = select_cert_hashsign(undefined, Algo, {undefined, undefined}),
- case lists:filter(fun({sha, dsa}) ->
- true;
- ({_, dsa}) ->
- false;
- ({Hash, S}) when S == Sign ->
- ssl_cipher:is_acceptable_hash(Hash, proplists:get_value(hashs, crypto:supports()));
- (_) ->
- false
- end, HashSigns) of
- [] ->
- DefaultHashSign;
- [HashSign| _] ->
- HashSign
- end.
-%%--------------------------------------------------------------------
--spec select_cert_hashsign(#hash_sign_algos{}| undefined, oid(), tls_version()) ->
- [{atom(), atom()}].
-
-%%
-%% Description:
-%%--------------------------------------------------------------------
-select_cert_hashsign(HashSign, _, {Major, Minor}) when HashSign =/= undefined andalso Major >= 3 andalso Minor >= 3 ->
- HashSign;
-select_cert_hashsign(undefined,?'id-ecPublicKey', _) ->
- {sha, ecdsa};
-select_cert_hashsign(undefined, ?rsaEncryption, _) ->
- {md5sha, rsa};
-select_cert_hashsign(undefined, ?'id-dsa', _) ->
- {sha, dsa}.
-
-%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
get_tls_handshake_aux(Version, <<?BYTE(Type), ?UINT24(Length),
Body:Length/binary,Rest/binary>>, Acc) ->
Raw = <<?BYTE(Type), ?UINT24(Length), Body/binary>>,
- H = dec_hs(Version, Type, Body),
+ H = decode_handshake(Version, Type, Body),
get_tls_handshake_aux(Version, Rest, [{H,Raw} | Acc]);
get_tls_handshake_aux(_Version, Data, Acc) ->
{lists:reverse(Acc), Data}.
-path_validation_alert({bad_cert, cert_expired}) ->
- ?ALERT_REC(?FATAL, ?CERTIFICATE_EXPIRED);
-path_validation_alert({bad_cert, invalid_issuer}) ->
- ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE);
-path_validation_alert({bad_cert, invalid_signature}) ->
- ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE);
-path_validation_alert({bad_cert, name_not_permitted}) ->
- ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE);
-path_validation_alert({bad_cert, unknown_critical_extension}) ->
- ?ALERT_REC(?FATAL, ?UNSUPPORTED_CERTIFICATE);
-path_validation_alert({bad_cert, cert_revoked}) ->
- ?ALERT_REC(?FATAL, ?CERTIFICATE_REVOKED);
-path_validation_alert({bad_cert, selfsigned_peer}) ->
- ?ALERT_REC(?FATAL, ?BAD_CERTIFICATE);
-path_validation_alert({bad_cert, unknown_ca}) ->
- ?ALERT_REC(?FATAL, ?UNKNOWN_CA);
-path_validation_alert(_) ->
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE).
-
-select_session(Hello, Port, Session, Version,
- #ssl_options{ciphers = UserSuites} = SslOpts, Cache, CacheCb, Cert) ->
- SuggestedSessionId = Hello#client_hello.session_id,
- {SessionId, Resumed} = ssl_session:server_id(Port, SuggestedSessionId,
- SslOpts, Cert,
- Cache, CacheCb),
- Suites = available_suites(Cert, UserSuites, Version),
- case Resumed of
- undefined ->
- CipherSuite = select_cipher_suite(Hello#client_hello.cipher_suites, Suites),
- Compressions = Hello#client_hello.compression_methods,
- Compression = select_compression(Compressions),
- {new, Session#session{session_id = SessionId,
- cipher_suite = CipherSuite,
- compression_method = Compression}};
- _ ->
- {resumed, Resumed}
- end.
-
-available_suites(UserSuites, Version) ->
- case UserSuites of
- [] ->
- ssl_cipher:suites(Version);
- _ ->
- UserSuites
- end.
-
-available_suites(ServerCert, UserSuites, Version) ->
- ssl_cipher:filter(ServerCert, available_suites(UserSuites, Version)).
-
-cipher_suites(Suites, false) ->
- [?TLS_EMPTY_RENEGOTIATION_INFO_SCSV | Suites];
-cipher_suites(Suites, true) ->
- Suites.
-
-srp_user(#ssl_options{srp_identity = {UserName, _}}) ->
- #srp{username = UserName};
-srp_user(_) ->
- undefined.
-
-renegotiation_info(client, _, false) ->
- #renegotiation_info{renegotiated_connection = undefined};
-renegotiation_info(server, ConnectionStates, false) ->
- CS = tls_record:current_connection_state(ConnectionStates, read),
- case CS#connection_state.secure_renegotiation of
- true ->
- #renegotiation_info{renegotiated_connection = ?byte(0)};
- false ->
- #renegotiation_info{renegotiated_connection = undefined}
- end;
-renegotiation_info(client, ConnectionStates, true) ->
- CS = tls_record:current_connection_state(ConnectionStates, read),
- case CS#connection_state.secure_renegotiation of
- true ->
- Data = CS#connection_state.client_verify_data,
- #renegotiation_info{renegotiated_connection = Data};
- false ->
- #renegotiation_info{renegotiated_connection = undefined}
- end;
-
-renegotiation_info(server, ConnectionStates, true) ->
- CS = tls_record:current_connection_state(ConnectionStates, read),
- case CS#connection_state.secure_renegotiation of
- true ->
- CData = CS#connection_state.client_verify_data,
- SData =CS#connection_state.server_verify_data,
- #renegotiation_info{renegotiated_connection = <<CData/binary, SData/binary>>};
- false ->
- #renegotiation_info{renegotiated_connection = undefined}
- end.
-
-decode_next_protocols({next_protocol_negotiation, Protocols}) ->
- decode_next_protocols(Protocols, []).
-decode_next_protocols(<<>>, Acc) ->
- lists:reverse(Acc);
-decode_next_protocols(<<?BYTE(Len), Protocol:Len/binary, Rest/binary>>, Acc) ->
- case Len of
- 0 ->
- {error, invalid_next_protocols};
- _ ->
- decode_next_protocols(Rest, [Protocol|Acc])
- end;
-decode_next_protocols(_Bytes, _Acc) ->
- {error, invalid_next_protocols}.
-
-next_protocol_extension_allowed(NextProtocolSelector, Renegotiating) ->
- NextProtocolSelector =/= undefined andalso not Renegotiating.
-
-handle_next_protocol_on_server(#client_hello{next_protocol_negotiation = undefined}, _Renegotiation, _SslOpts) ->
- undefined;
-
-handle_next_protocol_on_server(#client_hello{next_protocol_negotiation = {next_protocol_negotiation, <<>>}},
- false, #ssl_options{next_protocols_advertised = Protocols}) ->
- Protocols;
-
-handle_next_protocol_on_server(_Hello, _Renegotiation, _SSLOpts) ->
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE). % unexpected next protocol extension
-
-handle_next_protocol(#server_hello{next_protocol_negotiation = undefined},
- _NextProtocolSelector, _Renegotiating) ->
- undefined;
-
-handle_next_protocol(#server_hello{next_protocol_negotiation = Protocols},
- NextProtocolSelector, Renegotiating) ->
-
- case next_protocol_extension_allowed(NextProtocolSelector, Renegotiating) of
- true ->
- select_next_protocol(decode_next_protocols(Protocols), NextProtocolSelector);
- false ->
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE) % unexpected next protocol extension
- end.
-
-select_next_protocol({error, _Reason}, _NextProtocolSelector) ->
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE);
-select_next_protocol(Protocols, NextProtocolSelector) ->
- case NextProtocolSelector(Protocols) of
- ?NO_PROTOCOL ->
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE);
- Protocol when is_binary(Protocol) ->
- Protocol
- end.
-
-default_ecc_extensions(Version) ->
- CryptoSupport = proplists:get_value(public_keys, crypto:supports()),
- case proplists:get_bool(ecdh, CryptoSupport) of
- true ->
- EcPointFormats = #ec_point_formats{ec_point_format_list = [?ECPOINT_UNCOMPRESSED]},
- EllipticCurves = #elliptic_curves{elliptic_curve_list = ssl_tls1:ecc_curves(Version)},
- {EcPointFormats, EllipticCurves};
- _ ->
- {undefined, undefined}
- end.
-
-handle_ecc_extensions(Version, EcPointFormats0, EllipticCurves0) ->
- CryptoSupport = proplists:get_value(public_keys, crypto:supports()),
- case proplists:get_bool(ecdh, CryptoSupport) of
- true ->
- EcPointFormats1 = handle_ecc_point_fmt_extension(EcPointFormats0),
- EllipticCurves1 = handle_ecc_curves_extension(Version, EllipticCurves0),
- {EcPointFormats1, EllipticCurves1};
- _ ->
- {undefined, undefined}
- end.
-
-handle_ecc_point_fmt_extension(undefined) ->
- undefined;
-handle_ecc_point_fmt_extension(_) ->
- #ec_point_formats{ec_point_format_list = [?ECPOINT_UNCOMPRESSED]}.
-
-handle_ecc_curves_extension(_Version, undefined) ->
- undefined;
-handle_ecc_curves_extension(Version, _) ->
- #elliptic_curves{elliptic_curve_list = ssl_tls1:ecc_curves(Version)}.
-
-handle_renegotiation_info(_, #renegotiation_info{renegotiated_connection = ?byte(0)},
- ConnectionStates, false, _, _) ->
- {ok, tls_record:set_renegotiation_flag(true, ConnectionStates)};
-
-handle_renegotiation_info(server, undefined, ConnectionStates, _, _, CipherSuites) ->
- case is_member(?TLS_EMPTY_RENEGOTIATION_INFO_SCSV, CipherSuites) of
- true ->
- {ok, tls_record:set_renegotiation_flag(true, ConnectionStates)};
- false ->
- {ok, tls_record:set_renegotiation_flag(false, ConnectionStates)}
- end;
-
-handle_renegotiation_info(_, undefined, ConnectionStates, false, _, _) ->
- {ok, tls_record:set_renegotiation_flag(false, ConnectionStates)};
-
-handle_renegotiation_info(client, #renegotiation_info{renegotiated_connection = ClientServerVerify},
- ConnectionStates, true, _, _) ->
- CS = tls_record:current_connection_state(ConnectionStates, read),
- CData = CS#connection_state.client_verify_data,
- SData = CS#connection_state.server_verify_data,
- case <<CData/binary, SData/binary>> == ClientServerVerify of
- true ->
- {ok, ConnectionStates};
- false ->
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)
- end;
-handle_renegotiation_info(server, #renegotiation_info{renegotiated_connection = ClientVerify},
- ConnectionStates, true, _, CipherSuites) ->
-
- case is_member(?TLS_EMPTY_RENEGOTIATION_INFO_SCSV, CipherSuites) of
- true ->
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE);
- false ->
- CS = tls_record:current_connection_state(ConnectionStates, read),
- Data = CS#connection_state.client_verify_data,
- case Data == ClientVerify of
- true ->
- {ok, ConnectionStates};
- false ->
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)
- end
- end;
-
-handle_renegotiation_info(client, undefined, ConnectionStates, true, SecureRenegotation, _) ->
- handle_renegotiation_info(ConnectionStates, SecureRenegotation);
-
-handle_renegotiation_info(server, undefined, ConnectionStates, true, SecureRenegotation, CipherSuites) ->
- case is_member(?TLS_EMPTY_RENEGOTIATION_INFO_SCSV, CipherSuites) of
- true ->
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE);
- false ->
- handle_renegotiation_info(ConnectionStates, SecureRenegotation)
- end.
-
-handle_renegotiation_info(ConnectionStates, SecureRenegotation) ->
- CS = tls_record:current_connection_state(ConnectionStates, read),
- case {SecureRenegotation, CS#connection_state.secure_renegotiation} of
- {_, true} ->
- ?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE);
- {true, false} ->
- ?ALERT_REC(?FATAL, ?NO_RENEGOTIATION);
- {false, false} ->
- {ok, ConnectionStates}
- end.
-
-%% Update pending connection states with parameters exchanged via
-%% hello messages
-%% NOTE : Role is the role of the receiver of the hello message
-%% currently being processed.
-hello_pending_connection_states(Role, Version, CipherSuite, Random, Compression,
- ConnectionStates) ->
- ReadState =
- tls_record:pending_connection_state(ConnectionStates, read),
- WriteState =
- tls_record:pending_connection_state(ConnectionStates, write),
-
- NewReadSecParams =
- hello_security_parameters(Role, Version, ReadState, CipherSuite,
- Random, Compression),
-
- NewWriteSecParams =
- hello_security_parameters(Role, Version, WriteState, CipherSuite,
- Random, Compression),
-
- tls_record:update_security_params(NewReadSecParams,
- NewWriteSecParams,
- ConnectionStates).
-
-hello_security_parameters(client, Version, ConnectionState, CipherSuite, Random,
- Compression) ->
- SecParams = ConnectionState#connection_state.security_parameters,
- NewSecParams = ssl_cipher:security_parameters(Version, CipherSuite, SecParams),
- NewSecParams#security_parameters{
- server_random = Random,
- compression_algorithm = Compression
- };
-
-hello_security_parameters(server, Version, ConnectionState, CipherSuite, Random,
- Compression) ->
- SecParams = ConnectionState#connection_state.security_parameters,
- NewSecParams = ssl_cipher:security_parameters(Version, CipherSuite, SecParams),
- NewSecParams#security_parameters{
- client_random = Random,
- compression_algorithm = Compression
- }.
-
-select_version(ClientVersion, Versions) ->
- ServerVersion = tls_record:highest_protocol_version(Versions),
- tls_record:lowest_protocol_version(ClientVersion, ServerVersion).
-
-select_cipher_suite([], _) ->
- no_suite;
-select_cipher_suite([Suite | ClientSuites], SupportedSuites) ->
- case is_member(Suite, SupportedSuites) of
- true ->
- Suite;
- false ->
- select_cipher_suite(ClientSuites, SupportedSuites)
- end.
-
-is_member(Suite, SupportedSuites) ->
- lists:member(Suite, SupportedSuites).
-
-select_compression(_CompressionMetodes) ->
- ?NULL.
-
-master_secret(Version, MasterSecret, #security_parameters{
- client_random = ClientRandom,
- server_random = ServerRandom,
- hash_size = HashSize,
- prf_algorithm = PrfAlgo,
- key_material_length = KML,
- expanded_key_material_length = EKML,
- iv_size = IVS},
- ConnectionStates, Role) ->
- {ClientWriteMacSecret, ServerWriteMacSecret, ClientWriteKey,
- ServerWriteKey, ClientIV, ServerIV} =
- setup_keys(Version, PrfAlgo, MasterSecret, ServerRandom,
- ClientRandom, HashSize, KML, EKML, IVS),
-
- ConnStates1 = tls_record:set_master_secret(MasterSecret, ConnectionStates),
- ConnStates2 =
- tls_record:set_mac_secret(ClientWriteMacSecret, ServerWriteMacSecret,
- Role, ConnStates1),
-
- ClientCipherState = #cipher_state{iv = ClientIV, key = ClientWriteKey},
- ServerCipherState = #cipher_state{iv = ServerIV, key = ServerWriteKey},
- {MasterSecret,
- tls_record:set_pending_cipher_state(ConnStates2, ClientCipherState,
- ServerCipherState, Role)}.
-
-
-dec_hs(_, ?NEXT_PROTOCOL, <<?BYTE(SelectedProtocolLength), SelectedProtocol:SelectedProtocolLength/binary,
- ?BYTE(PaddingLength), _Padding:PaddingLength/binary>>) ->
- #next_protocol{selected_protocol = SelectedProtocol};
-
-dec_hs(_, ?HELLO_REQUEST, <<>>) ->
- #hello_request{};
-
%% Client hello v2.
%% The server must be able to receive such messages, from clients that
%% are willing to use ssl v3 or higher, but have ssl v2 compatibility.
-dec_hs(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor),
+decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor),
?UINT16(CSLength), ?UINT16(0),
?UINT16(CDLength),
CipherSuites:CSLength/binary,
@@ -1088,788 +219,72 @@ dec_hs(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor),
#client_hello{client_version = {Major, Minor},
random = ssl_ssl2:client_random(ChallengeData, CDLength),
session_id = 0,
- cipher_suites = from_3bytes(CipherSuites),
+ cipher_suites = ssl_handshake:decode_suites('3_bytes', CipherSuites),
compression_methods = [?NULL],
- renegotiation_info = undefined
+ extensions = #hello_extensions{}
};
-dec_hs(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
+decode_handshake(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
?BYTE(SID_length), Session_ID:SID_length/binary,
?UINT16(Cs_length), CipherSuites:Cs_length/binary,
?BYTE(Cm_length), Comp_methods:Cm_length/binary,
Extensions/binary>>) ->
- DecodedExtensions = dec_hello_extensions(Extensions),
- RenegotiationInfo = proplists:get_value(renegotiation_info, DecodedExtensions, undefined),
- SRP = proplists:get_value(srp, DecodedExtensions, undefined),
- HashSigns = proplists:get_value(hash_signs, DecodedExtensions, undefined),
- EllipticCurves = proplists:get_value(elliptic_curves, DecodedExtensions,
- undefined),
- NextProtocolNegotiation = proplists:get_value(next_protocol_negotiation, DecodedExtensions, undefined),
+ DecodedExtensions = ssl_handshake:decode_hello_extensions({client, Extensions}),
#client_hello{
client_version = {Major,Minor},
random = Random,
session_id = Session_ID,
- cipher_suites = from_2bytes(CipherSuites),
+ cipher_suites = ssl_handshake:decode_suites('2_bytes', CipherSuites),
compression_methods = Comp_methods,
- renegotiation_info = RenegotiationInfo,
- srp = SRP,
- hash_signs = HashSigns,
- elliptic_curves = EllipticCurves,
- next_protocol_negotiation = NextProtocolNegotiation
+ extensions = DecodedExtensions
};
-dec_hs(_Version, ?SERVER_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
- ?BYTE(SID_length), Session_ID:SID_length/binary,
- Cipher_suite:2/binary, ?BYTE(Comp_method)>>) ->
- #server_hello{
- server_version = {Major,Minor},
- random = Random,
- session_id = Session_ID,
- cipher_suite = Cipher_suite,
- compression_method = Comp_method,
- renegotiation_info = undefined,
- hash_signs = undefined,
- elliptic_curves = undefined};
-
-dec_hs(_Version, ?SERVER_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
- ?BYTE(SID_length), Session_ID:SID_length/binary,
- Cipher_suite:2/binary, ?BYTE(Comp_method),
- ?UINT16(ExtLen), Extensions:ExtLen/binary>>) ->
-
- HelloExtensions = dec_hello_extensions(Extensions, []),
- RenegotiationInfo = proplists:get_value(renegotiation_info, HelloExtensions,
- undefined),
- HashSigns = proplists:get_value(hash_signs, HelloExtensions,
- undefined),
- EllipticCurves = proplists:get_value(elliptic_curves, HelloExtensions,
- undefined),
- NextProtocolNegotiation = proplists:get_value(next_protocol_negotiation, HelloExtensions, undefined),
-
- #server_hello{
- server_version = {Major,Minor},
- random = Random,
- session_id = Session_ID,
- cipher_suite = Cipher_suite,
- compression_method = Comp_method,
- renegotiation_info = RenegotiationInfo,
- hash_signs = HashSigns,
- elliptic_curves = EllipticCurves,
- next_protocol_negotiation = NextProtocolNegotiation};
-dec_hs(_Version, ?CERTIFICATE, <<?UINT24(ACLen), ASN1Certs:ACLen/binary>>) ->
- #certificate{asn1_certificates = certs_to_list(ASN1Certs)};
-dec_hs(_Version, ?SERVER_KEY_EXCHANGE, Keys) ->
- #server_key_exchange{exchange_keys = Keys};
-dec_hs({Major, Minor}, ?CERTIFICATE_REQUEST,
- <<?BYTE(CertTypesLen), CertTypes:CertTypesLen/binary,
- ?UINT16(HashSignsLen), HashSigns:HashSignsLen/binary,
- ?UINT16(CertAuthsLen), CertAuths:CertAuthsLen/binary>>)
- when Major == 3, Minor >= 3 ->
- HashSignAlgos = [{ssl_cipher:hash_algorithm(Hash), ssl_cipher:sign_algorithm(Sign)} ||
- <<?BYTE(Hash), ?BYTE(Sign)>> <= HashSigns],
- #certificate_request{certificate_types = CertTypes,
- hashsign_algorithms = #hash_sign_algos{hash_sign_algos = HashSignAlgos},
- certificate_authorities = CertAuths};
-dec_hs(_Version, ?CERTIFICATE_REQUEST,
- <<?BYTE(CertTypesLen), CertTypes:CertTypesLen/binary,
- ?UINT16(CertAuthsLen), CertAuths:CertAuthsLen/binary>>) ->
- #certificate_request{certificate_types = CertTypes,
- certificate_authorities = CertAuths};
-dec_hs(_Version, ?SERVER_HELLO_DONE, <<>>) ->
- #server_hello_done{};
-dec_hs({Major, Minor}, ?CERTIFICATE_VERIFY,<<HashSign:2/binary, ?UINT16(SignLen), Signature:SignLen/binary>>)
- when Major == 3, Minor >= 3 ->
- #certificate_verify{hashsign_algorithm = hashsign_dec(HashSign), signature = Signature};
-dec_hs(_Version, ?CERTIFICATE_VERIFY,<<?UINT16(SignLen), Signature:SignLen/binary>>)->
- #certificate_verify{signature = Signature};
-dec_hs(_Version, ?CLIENT_KEY_EXCHANGE, PKEPMS) ->
- #client_key_exchange{exchange_keys = PKEPMS};
-dec_hs(_Version, ?FINISHED, VerifyData) ->
- #finished{verify_data = VerifyData};
-dec_hs(_, _, _) ->
- throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)).
-
-dec_client_key(PKEPMS, ?KEY_EXCHANGE_RSA, {3, 0}) ->
- #encrypted_premaster_secret{premaster_secret = PKEPMS};
-dec_client_key(<<?UINT16(_), PKEPMS/binary>>, ?KEY_EXCHANGE_RSA, _) ->
- #encrypted_premaster_secret{premaster_secret = PKEPMS};
-dec_client_key(<<>>, ?KEY_EXCHANGE_DIFFIE_HELLMAN, _) ->
- throw(?ALERT_REC(?FATAL, ?UNSUPPORTED_CERTIFICATE));
-dec_client_key(<<?UINT16(DH_YLen), DH_Y:DH_YLen/binary>>,
- ?KEY_EXCHANGE_DIFFIE_HELLMAN, _) ->
- #client_diffie_hellman_public{dh_public = DH_Y};
-dec_client_key(<<>>, ?KEY_EXCHANGE_EC_DIFFIE_HELLMAN, _) ->
- throw(?ALERT_REC(?FATAL, ?UNSUPPORTED_CERTIFICATE));
-dec_client_key(<<?BYTE(DH_YLen), DH_Y:DH_YLen/binary>>,
- ?KEY_EXCHANGE_EC_DIFFIE_HELLMAN, _) ->
- #client_ec_diffie_hellman_public{dh_public = DH_Y};
-dec_client_key(<<?UINT16(Len), Id:Len/binary>>,
- ?KEY_EXCHANGE_PSK, _) ->
- #client_psk_identity{identity = Id};
-dec_client_key(<<?UINT16(Len), Id:Len/binary,
- ?UINT16(DH_YLen), DH_Y:DH_YLen/binary>>,
- ?KEY_EXCHANGE_DHE_PSK, _) ->
- #client_dhe_psk_identity{identity = Id, dh_public = DH_Y};
-dec_client_key(<<?UINT16(Len), Id:Len/binary, PKEPMS/binary>>,
- ?KEY_EXCHANGE_RSA_PSK, {3, 0}) ->
- #client_rsa_psk_identity{identity = Id, exchange_keys = #encrypted_premaster_secret{premaster_secret = PKEPMS}};
-dec_client_key(<<?UINT16(Len), Id:Len/binary, ?UINT16(_), PKEPMS/binary>>,
- ?KEY_EXCHANGE_RSA_PSK, _) ->
- #client_rsa_psk_identity{identity = Id, exchange_keys = #encrypted_premaster_secret{premaster_secret = PKEPMS}};
-dec_client_key(<<?UINT16(ALen), A:ALen/binary>>,
- ?KEY_EXCHANGE_SRP, _) ->
- #client_srp_public{srp_a = A}.
-
-dec_ske_params(Len, Keys, Version) ->
- <<Params:Len/bytes, Signature/binary>> = Keys,
- dec_ske_signature(Params, Signature, Version).
-
-dec_ske_signature(Params, <<?BYTE(HashAlgo), ?BYTE(SignAlgo),
- ?UINT16(0)>>, {Major, Minor})
- when Major >= 3, Minor >= 3 ->
- HashSign = {ssl_cipher:hash_algorithm(HashAlgo), ssl_cipher:sign_algorithm(SignAlgo)},
- {Params, HashSign, <<>>};
-dec_ske_signature(Params, <<?BYTE(HashAlgo), ?BYTE(SignAlgo),
- ?UINT16(Len), Signature:Len/binary>>, {Major, Minor})
- when Major >= 3, Minor >= 3 ->
- HashSign = {ssl_cipher:hash_algorithm(HashAlgo), ssl_cipher:sign_algorithm(SignAlgo)},
- {Params, HashSign, Signature};
-dec_ske_signature(Params, <<>>, _) ->
- {Params, {null, anon}, <<>>};
-dec_ske_signature(Params, <<?UINT16(0)>>, _) ->
- {Params, {null, anon}, <<>>};
-dec_ske_signature(Params, <<?UINT16(Len), Signature:Len/binary>>, _) ->
- {Params, undefined, Signature};
-dec_ske_signature(_, _, _) ->
- throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)).
-
-dec_server_key(<<?UINT16(PLen), P:PLen/binary,
- ?UINT16(GLen), G:GLen/binary,
- ?UINT16(YLen), Y:YLen/binary, _/binary>> = KeyStruct,
- ?KEY_EXCHANGE_DIFFIE_HELLMAN, Version) ->
- Params = #server_dh_params{dh_p = P, dh_g = G, dh_y = Y},
- {BinMsg, HashSign, Signature} = dec_ske_params(PLen + GLen + YLen + 6, KeyStruct, Version),
- #server_key_params{params = Params,
- params_bin = BinMsg,
- hashsign = HashSign,
- signature = Signature};
-%% ECParameters with named_curve
-%% TODO: explicit curve
-dec_server_key(<<?BYTE(?NAMED_CURVE), ?UINT16(CurveID),
- ?BYTE(PointLen), ECPoint:PointLen/binary,
- _/binary>> = KeyStruct,
- ?KEY_EXCHANGE_EC_DIFFIE_HELLMAN, Version) ->
- Params = #server_ecdh_params{curve = {namedCurve, ssl_tls1:enum_to_oid(CurveID)},
- public = ECPoint},
- {BinMsg, HashSign, Signature} = dec_ske_params(PointLen + 4, KeyStruct, Version),
- #server_key_params{params = Params,
- params_bin = BinMsg,
- hashsign = HashSign,
- signature = Signature};
-dec_server_key(<<?UINT16(Len), PskIdentityHint:Len/binary, _/binary>> = KeyStruct,
- KeyExchange, Version)
- when KeyExchange == ?KEY_EXCHANGE_PSK; KeyExchange == ?KEY_EXCHANGE_RSA_PSK ->
- Params = #server_psk_params{
- hint = PskIdentityHint},
- {BinMsg, HashSign, Signature} = dec_ske_params(Len + 2, KeyStruct, Version),
- #server_key_params{params = Params,
- params_bin = BinMsg,
- hashsign = HashSign,
- signature = Signature};
-dec_server_key(<<?UINT16(Len), IdentityHint:Len/binary,
- ?UINT16(PLen), P:PLen/binary,
- ?UINT16(GLen), G:GLen/binary,
- ?UINT16(YLen), Y:YLen/binary, _/binary>> = KeyStruct,
- ?KEY_EXCHANGE_DHE_PSK, Version) ->
- DHParams = #server_dh_params{dh_p = P, dh_g = G, dh_y = Y},
- Params = #server_dhe_psk_params{
- hint = IdentityHint,
- dh_params = DHParams},
- {BinMsg, HashSign, Signature} = dec_ske_params(Len + PLen + GLen + YLen + 8, KeyStruct, Version),
- #server_key_params{params = Params,
- params_bin = BinMsg,
- hashsign = HashSign,
- signature = Signature};
-dec_server_key(<<?UINT16(NLen), N:NLen/binary,
- ?UINT16(GLen), G:GLen/binary,
- ?BYTE(SLen), S:SLen/binary,
- ?UINT16(BLen), B:BLen/binary, _/binary>> = KeyStruct,
- ?KEY_EXCHANGE_SRP, Version) ->
- Params = #server_srp_params{srp_n = N, srp_g = G, srp_s = S, srp_b = B},
- {BinMsg, HashSign, Signature} = dec_ske_params(NLen + GLen + SLen + BLen + 7, KeyStruct, Version),
- #server_key_params{params = Params,
- params_bin = BinMsg,
- hashsign = HashSign,
- signature = Signature};
-dec_server_key(_, _, _) ->
- throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)).
+decode_handshake(Version, Tag, Msg) ->
+ ssl_handshake:decode_handshake(Version, Tag, Msg).
-dec_hello_extensions(<<>>) ->
- [];
-dec_hello_extensions(<<?UINT16(ExtLen), Extensions:ExtLen/binary>>) ->
- dec_hello_extensions(Extensions, []);
-dec_hello_extensions(_) ->
- [].
-
-dec_hello_extensions(<<>>, Acc) ->
- Acc;
-dec_hello_extensions(<<?UINT16(?NEXTPROTONEG_EXT), ?UINT16(Len), ExtensionData:Len/binary, Rest/binary>>, Acc) ->
- Prop = {next_protocol_negotiation, #next_protocol_negotiation{extension_data = ExtensionData}},
- dec_hello_extensions(Rest, [Prop | Acc]);
-dec_hello_extensions(<<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), Info:Len/binary, Rest/binary>>, Acc) ->
- RenegotiateInfo = case Len of
- 1 -> % Initial handshake
- Info; % should be <<0>> will be matched in handle_renegotiation_info
- _ ->
- VerifyLen = Len - 1,
- <<?BYTE(VerifyLen), VerifyInfo/binary>> = Info,
- VerifyInfo
- end,
- dec_hello_extensions(Rest, [{renegotiation_info,
- #renegotiation_info{renegotiated_connection = RenegotiateInfo}} | Acc]);
-
-dec_hello_extensions(<<?UINT16(?SRP_EXT), ?UINT16(Len), ?BYTE(SRPLen), SRP:SRPLen/binary, Rest/binary>>, Acc)
- when Len == SRPLen + 2 ->
- dec_hello_extensions(Rest, [{srp,
- #srp{username = SRP}} | Acc]);
-
-dec_hello_extensions(<<?UINT16(?SIGNATURE_ALGORITHMS_EXT), ?UINT16(Len),
- ExtData:Len/binary, Rest/binary>>, Acc) ->
- SignAlgoListLen = Len - 2,
- <<?UINT16(SignAlgoListLen), SignAlgoList/binary>> = ExtData,
- HashSignAlgos = [{ssl_cipher:hash_algorithm(Hash), ssl_cipher:sign_algorithm(Sign)} ||
- <<?BYTE(Hash), ?BYTE(Sign)>> <= SignAlgoList],
- dec_hello_extensions(Rest, [{hash_signs,
- #hash_sign_algos{hash_sign_algos = HashSignAlgos}} | Acc]);
-
-dec_hello_extensions(<<?UINT16(?ELLIPTIC_CURVES_EXT), ?UINT16(Len),
- ExtData:Len/binary, Rest/binary>>, Acc) ->
- <<?UINT16(_), EllipticCurveList/binary>> = ExtData,
- EllipticCurves = [ssl_tls1:enum_to_oid(X) || <<X:16>> <= EllipticCurveList],
- dec_hello_extensions(Rest, [{elliptic_curves,
- #elliptic_curves{elliptic_curve_list = EllipticCurves}} | Acc]);
-
-dec_hello_extensions(<<?UINT16(?EC_POINT_FORMATS_EXT), ?UINT16(Len),
- ExtData:Len/binary, Rest/binary>>, Acc) ->
- <<?BYTE(_), ECPointFormatList/binary>> = ExtData,
- ECPointFormats = binary_to_list(ECPointFormatList),
- dec_hello_extensions(Rest, [{ec_point_formats,
- #ec_point_formats{ec_point_format_list = ECPointFormats}} | Acc]);
-
-%% Ignore data following the ClientHello (i.e.,
-%% extensions) if not understood.
-
-dec_hello_extensions(<<?UINT16(_), ?UINT16(Len), _Unknown:Len/binary, Rest/binary>>, Acc) ->
- dec_hello_extensions(Rest, Acc);
-%% This theoretically should not happen if the protocol is followed, but if it does it is ignored.
-dec_hello_extensions(_, Acc) ->
- Acc.
-
-encrypted_premaster_secret(Secret, RSAPublicKey) ->
- try
- PreMasterSecret = public_key:encrypt_public(Secret, RSAPublicKey,
- [{rsa_pad,
- rsa_pkcs1_padding}]),
- #encrypted_premaster_secret{premaster_secret = PreMasterSecret}
- catch
- _:_->
- throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE))
- end.
-
-%% encode/decode stream of certificate data to/from list of certificate data
-certs_to_list(ASN1Certs) ->
- certs_to_list(ASN1Certs, []).
-
-certs_to_list(<<?UINT24(CertLen), Cert:CertLen/binary, Rest/binary>>, Acc) ->
- certs_to_list(Rest, [Cert | Acc]);
-certs_to_list(<<>>, Acc) ->
- lists:reverse(Acc, []).
-
-certs_from_list(ACList) ->
- list_to_binary([begin
- CertLen = byte_size(Cert),
- <<?UINT24(CertLen), Cert/binary>>
- end || Cert <- ACList]).
-
-enc_hs(#next_protocol{selected_protocol = SelectedProtocol}, _Version) ->
- PaddingLength = 32 - ((byte_size(SelectedProtocol) + 2) rem 32),
-
- {?NEXT_PROTOCOL, <<?BYTE((byte_size(SelectedProtocol))), SelectedProtocol/binary,
- ?BYTE(PaddingLength), 0:(PaddingLength * 8)>>};
-enc_hs(#hello_request{}, _Version) ->
+enc_handshake(#hello_request{}, _Version) ->
{?HELLO_REQUEST, <<>>};
-enc_hs(#client_hello{client_version = {Major, Minor},
+enc_handshake(#client_hello{client_version = {Major, Minor},
random = Random,
session_id = SessionID,
cipher_suites = CipherSuites,
compression_methods = CompMethods,
- renegotiation_info = RenegotiationInfo,
- srp = SRP,
- hash_signs = HashSigns,
- ec_point_formats = EcPointFormats,
- elliptic_curves = EllipticCurves,
- next_protocol_negotiation = NextProtocolNegotiation}, _Version) ->
+ extensions = HelloExtensions}, _Version) ->
SIDLength = byte_size(SessionID),
BinCompMethods = list_to_binary(CompMethods),
CmLength = byte_size(BinCompMethods),
BinCipherSuites = list_to_binary(CipherSuites),
CsLength = byte_size(BinCipherSuites),
- Extensions0 = hello_extensions(RenegotiationInfo, SRP, NextProtocolNegotiation)
- ++ ec_hello_extensions(lists:map(fun ssl_cipher:suite_definition/1, CipherSuites), EcPointFormats)
- ++ ec_hello_extensions(lists:map(fun ssl_cipher:suite_definition/1, CipherSuites), EllipticCurves),
- Extensions1 = if
- Major == 3, Minor >=3 -> Extensions0 ++ hello_extensions(HashSigns);
- true -> Extensions0
- end,
- ExtensionsBin = enc_hello_extensions(Extensions1),
+ ExtensionsBin = ssl_handshake:encode_hello_extensions(HelloExtensions),
- {?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
+ {?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
?BYTE(SIDLength), SessionID/binary,
- ?UINT16(CsLength), BinCipherSuites/binary,
- ?BYTE(CmLength), BinCompMethods/binary, ExtensionsBin/binary>>};
-
-enc_hs(#server_hello{server_version = {Major, Minor},
- random = Random,
- session_id = Session_ID,
- cipher_suite = CipherSuite,
- compression_method = Comp_method,
- renegotiation_info = RenegotiationInfo,
- ec_point_formats = EcPointFormats,
- elliptic_curves = EllipticCurves,
- next_protocol_negotiation = NextProtocolNegotiation}, _Version) ->
- SID_length = byte_size(Session_ID),
- CipherSuites = [ssl_cipher:suite_definition(CipherSuite)],
- Extensions = hello_extensions(RenegotiationInfo, NextProtocolNegotiation)
- ++ ec_hello_extensions(CipherSuites, EcPointFormats)
- ++ ec_hello_extensions(CipherSuites, EllipticCurves),
- ExtensionsBin = enc_hello_extensions(Extensions),
- {?SERVER_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
- ?BYTE(SID_length), Session_ID/binary,
- CipherSuite/binary, ?BYTE(Comp_method), ExtensionsBin/binary>>};
-enc_hs(#certificate{asn1_certificates = ASN1CertList}, _Version) ->
- ASN1Certs = certs_from_list(ASN1CertList),
- ACLen = erlang:iolist_size(ASN1Certs),
- {?CERTIFICATE, <<?UINT24(ACLen), ASN1Certs:ACLen/binary>>};
-enc_hs(#server_key_exchange{exchange_keys = Keys}, _Version) ->
- {?SERVER_KEY_EXCHANGE, Keys};
-enc_hs(#server_key_params{params_bin = Keys, hashsign = HashSign,
- signature = Signature}, Version) ->
- EncSign = enc_sign(HashSign, Signature, Version),
- {?SERVER_KEY_EXCHANGE, <<Keys/binary, EncSign/binary>>};
-enc_hs(#certificate_request{certificate_types = CertTypes,
- hashsign_algorithms = #hash_sign_algos{hash_sign_algos = HashSignAlgos},
- certificate_authorities = CertAuths},
- {Major, Minor})
- when Major == 3, Minor >= 3 ->
- HashSigns= << <<(ssl_cipher:hash_algorithm(Hash)):8, (ssl_cipher:sign_algorithm(Sign)):8>> ||
- {Hash, Sign} <- HashSignAlgos >>,
- CertTypesLen = byte_size(CertTypes),
- HashSignsLen = byte_size(HashSigns),
- CertAuthsLen = byte_size(CertAuths),
- {?CERTIFICATE_REQUEST,
- <<?BYTE(CertTypesLen), CertTypes/binary,
- ?UINT16(HashSignsLen), HashSigns/binary,
- ?UINT16(CertAuthsLen), CertAuths/binary>>
- };
-enc_hs(#certificate_request{certificate_types = CertTypes,
- certificate_authorities = CertAuths},
- _Version) ->
- CertTypesLen = byte_size(CertTypes),
- CertAuthsLen = byte_size(CertAuths),
- {?CERTIFICATE_REQUEST,
- <<?BYTE(CertTypesLen), CertTypes/binary,
- ?UINT16(CertAuthsLen), CertAuths/binary>>
- };
-enc_hs(#server_hello_done{}, _Version) ->
- {?SERVER_HELLO_DONE, <<>>};
-enc_hs(#client_key_exchange{exchange_keys = ExchangeKeys}, Version) ->
- {?CLIENT_KEY_EXCHANGE, enc_cke(ExchangeKeys, Version)};
-enc_hs(#certificate_verify{signature = BinSig, hashsign_algorithm = HashSign}, Version) ->
- EncSig = enc_sign(HashSign, BinSig, Version),
- {?CERTIFICATE_VERIFY, EncSig};
-enc_hs(#finished{verify_data = VerifyData}, _Version) ->
- {?FINISHED, VerifyData}.
-
-enc_cke(#encrypted_premaster_secret{premaster_secret = PKEPMS},{3, 0}) ->
- PKEPMS;
-enc_cke(#encrypted_premaster_secret{premaster_secret = PKEPMS}, _) ->
- PKEPMSLen = byte_size(PKEPMS),
- <<?UINT16(PKEPMSLen), PKEPMS/binary>>;
-enc_cke(#client_diffie_hellman_public{dh_public = DHPublic}, _) ->
- Len = byte_size(DHPublic),
- <<?UINT16(Len), DHPublic/binary>>;
-enc_cke(#client_ec_diffie_hellman_public{dh_public = DHPublic}, _) ->
- Len = byte_size(DHPublic),
- <<?BYTE(Len), DHPublic/binary>>;
-enc_cke(#client_psk_identity{identity = undefined}, _) ->
- Id = <<"psk_identity">>,
- Len = byte_size(Id),
- <<?UINT16(Len), Id/binary>>;
-enc_cke(#client_psk_identity{identity = Id}, _) ->
- Len = byte_size(Id),
- <<?UINT16(Len), Id/binary>>;
-enc_cke(Identity = #client_dhe_psk_identity{identity = undefined}, Version) ->
- enc_cke(Identity#client_dhe_psk_identity{identity = <<"psk_identity">>}, Version);
-enc_cke(#client_dhe_psk_identity{identity = Id, dh_public = DHPublic}, _) ->
- Len = byte_size(Id),
- DHLen = byte_size(DHPublic),
- <<?UINT16(Len), Id/binary, ?UINT16(DHLen), DHPublic/binary>>;
-enc_cke(Identity = #client_rsa_psk_identity{identity = undefined}, Version) ->
- enc_cke(Identity#client_rsa_psk_identity{identity = <<"psk_identity">>}, Version);
-enc_cke(#client_rsa_psk_identity{identity = Id, exchange_keys = ExchangeKeys}, Version) ->
- EncPMS = enc_cke(ExchangeKeys, Version),
- Len = byte_size(Id),
- <<?UINT16(Len), Id/binary, EncPMS/binary>>;
-enc_cke(#client_srp_public{srp_a = A}, _) ->
- Len = byte_size(A),
- <<?UINT16(Len), A/binary>>.
-
-enc_server_key(#server_dh_params{dh_p = P, dh_g = G, dh_y = Y}) ->
- PLen = byte_size(P),
- GLen = byte_size(G),
- YLen = byte_size(Y),
- <<?UINT16(PLen), P/binary, ?UINT16(GLen), G/binary, ?UINT16(YLen), Y/binary>>;
-enc_server_key(#server_ecdh_params{curve = {namedCurve, ECCurve}, public = ECPubKey}) ->
- %%TODO: support arbitrary keys
- KLen = size(ECPubKey),
- <<?BYTE(?NAMED_CURVE_TYPE), ?UINT16((ssl_tls1:oid_to_enum(ECCurve))),
- ?BYTE(KLen), ECPubKey/binary>>;
-enc_server_key(#server_psk_params{hint = PskIdentityHint}) ->
- Len = byte_size(PskIdentityHint),
- <<?UINT16(Len), PskIdentityHint/binary>>;
-enc_server_key(Params = #server_dhe_psk_params{hint = undefined}) ->
- enc_server_key(Params#server_dhe_psk_params{hint = <<>>});
-enc_server_key(#server_dhe_psk_params{
- hint = PskIdentityHint,
- dh_params = #server_dh_params{dh_p = P, dh_g = G, dh_y = Y}}) ->
- Len = byte_size(PskIdentityHint),
- PLen = byte_size(P),
- GLen = byte_size(G),
- YLen = byte_size(Y),
- <<?UINT16(Len), PskIdentityHint/binary,
- ?UINT16(PLen), P/binary, ?UINT16(GLen), G/binary, ?UINT16(YLen), Y/binary>>;
-enc_server_key(#server_srp_params{srp_n = N, srp_g = G, srp_s = S, srp_b = B}) ->
- NLen = byte_size(N),
- GLen = byte_size(G),
- SLen = byte_size(S),
- BLen = byte_size(B),
- <<?UINT16(NLen), N/binary, ?UINT16(GLen), G/binary,
- ?BYTE(SLen), S/binary, ?UINT16(BLen), B/binary>>.
-
-enc_sign({_, anon}, _Sign, _Version) ->
- <<>>;
-enc_sign({HashAlg, SignAlg}, Signature, _Version = {Major, Minor})
- when Major == 3, Minor >= 3->
- SignLen = byte_size(Signature),
- HashSign = hashsign_enc(HashAlg, SignAlg),
- <<HashSign/binary, ?UINT16(SignLen), Signature/binary>>;
-enc_sign(_HashSign, Sign, _Version) ->
- SignLen = byte_size(Sign),
- <<?UINT16(SignLen), Sign/binary>>.
-
-
-ec_hello_extensions(CipherSuites, #elliptic_curves{} = Info) ->
- case advertises_ec_ciphers(CipherSuites) of
- true ->
- [Info];
- false ->
- []
- end;
-ec_hello_extensions(CipherSuites, #ec_point_formats{} = Info) ->
- case advertises_ec_ciphers(CipherSuites) of
- true ->
- [Info];
- false ->
- []
- end;
-ec_hello_extensions(_, undefined) ->
- [].
-
-hello_extensions(RenegotiationInfo, NextProtocolNegotiation) ->
- hello_extensions(RenegotiationInfo) ++ next_protocol_extension(NextProtocolNegotiation).
-
-hello_extensions(RenegotiationInfo, SRP, NextProtocolNegotiation) ->
- hello_extensions(RenegotiationInfo)
- ++ hello_extensions(SRP)
- ++ next_protocol_extension(NextProtocolNegotiation).
-
-advertises_ec_ciphers([]) ->
- false;
-advertises_ec_ciphers([{ecdh_ecdsa, _,_,_} | _]) ->
- true;
-advertises_ec_ciphers([{ecdhe_ecdsa, _,_,_} | _]) ->
- true;
-advertises_ec_ciphers([{ecdh_rsa, _,_,_} | _]) ->
- true;
-advertises_ec_ciphers([{ecdhe_rsa, _,_,_} | _]) ->
- true;
-advertises_ec_ciphers([{ecdh_anon, _,_,_} | _]) ->
- true;
-advertises_ec_ciphers([_| Rest]) ->
- advertises_ec_ciphers(Rest).
-
-%% Renegotiation info
-hello_extensions(#renegotiation_info{renegotiated_connection = undefined}) ->
- [];
-hello_extensions(#renegotiation_info{} = Info) ->
- [Info];
-hello_extensions(#srp{} = Info) ->
- [Info];
-hello_extensions(#hash_sign_algos{} = Info) ->
- [Info];
-hello_extensions(undefined) ->
- [].
+ ?UINT16(CsLength), BinCipherSuites/binary,
+ ?BYTE(CmLength), BinCompMethods/binary, ExtensionsBin/binary>>};
-next_protocol_extension(undefined) ->
- [];
-next_protocol_extension(#next_protocol_negotiation{} = Info) ->
- [Info].
+enc_handshake(HandshakeMsg, Version) ->
+ ssl_handshake:encode_handshake(HandshakeMsg, Version).
-enc_hello_extensions(Extensions) ->
- enc_hello_extensions(Extensions, <<>>).
-enc_hello_extensions([], <<>>) ->
- <<>>;
-enc_hello_extensions([], Acc) ->
- Size = byte_size(Acc),
- <<?UINT16(Size), Acc/binary>>;
-enc_hello_extensions([#next_protocol_negotiation{extension_data = ExtensionData} | Rest], Acc) ->
- Len = byte_size(ExtensionData),
- enc_hello_extensions(Rest, <<?UINT16(?NEXTPROTONEG_EXT), ?UINT16(Len), ExtensionData/binary, Acc/binary>>);
-enc_hello_extensions([#renegotiation_info{renegotiated_connection = ?byte(0) = Info} | Rest], Acc) ->
- Len = byte_size(Info),
- enc_hello_extensions(Rest, <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), Info/binary, Acc/binary>>);
-
-enc_hello_extensions([#renegotiation_info{renegotiated_connection = Info} | Rest], Acc) ->
- InfoLen = byte_size(Info),
- Len = InfoLen +1,
- enc_hello_extensions(Rest, <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), ?BYTE(InfoLen), Info/binary, Acc/binary>>);
-enc_hello_extensions([#elliptic_curves{elliptic_curve_list = EllipticCurves} | Rest], Acc) ->
- EllipticCurveList = << <<(ssl_tls1:oid_to_enum(X)):16>> || X <- EllipticCurves>>,
- ListLen = byte_size(EllipticCurveList),
- Len = ListLen + 2,
- enc_hello_extensions(Rest, <<?UINT16(?ELLIPTIC_CURVES_EXT),
- ?UINT16(Len), ?UINT16(ListLen), EllipticCurveList/binary, Acc/binary>>);
-enc_hello_extensions([#ec_point_formats{ec_point_format_list = ECPointFormats} | Rest], Acc) ->
- ECPointFormatList = list_to_binary(ECPointFormats),
- ListLen = byte_size(ECPointFormatList),
- Len = ListLen + 1,
- enc_hello_extensions(Rest, <<?UINT16(?EC_POINT_FORMATS_EXT),
- ?UINT16(Len), ?BYTE(ListLen), ECPointFormatList/binary, Acc/binary>>);
-enc_hello_extensions([#srp{username = UserName} | Rest], Acc) ->
- SRPLen = byte_size(UserName),
- Len = SRPLen + 2,
- enc_hello_extensions(Rest, <<?UINT16(?SRP_EXT), ?UINT16(Len), ?BYTE(SRPLen), UserName/binary, Acc/binary>>);
-enc_hello_extensions([#hash_sign_algos{hash_sign_algos = HashSignAlgos} | Rest], Acc) ->
- SignAlgoList = << <<(ssl_cipher:hash_algorithm(Hash)):8, (ssl_cipher:sign_algorithm(Sign)):8>> ||
- {Hash, Sign} <- HashSignAlgos >>,
- ListLen = byte_size(SignAlgoList),
- Len = ListLen + 2,
- enc_hello_extensions(Rest, <<?UINT16(?SIGNATURE_ALGORITHMS_EXT),
- ?UINT16(Len), ?UINT16(ListLen), SignAlgoList/binary, Acc/binary>>).
-
-encode_client_protocol_negotiation(undefined, _) ->
- undefined;
-encode_client_protocol_negotiation(_, false) ->
- #next_protocol_negotiation{extension_data = <<>>};
-encode_client_protocol_negotiation(_, _) ->
- undefined.
-
-from_3bytes(Bin3) ->
- from_3bytes(Bin3, []).
-
-from_3bytes(<<>>, Acc) ->
- lists:reverse(Acc);
-from_3bytes(<<?UINT24(N), Rest/binary>>, Acc) ->
- from_3bytes(Rest, [?uint16(N) | Acc]).
-
-from_2bytes(Bin2) ->
- from_2bytes(Bin2, []).
-
-from_2bytes(<<>>, Acc) ->
- lists:reverse(Acc);
-from_2bytes(<<?UINT16(N), Rest/binary>>, Acc) ->
- from_2bytes(Rest, [?uint16(N) | Acc]).
-
-certificate_types({KeyExchange, _, _, _})
- when KeyExchange == rsa;
- KeyExchange == dhe_dss;
- KeyExchange == dhe_rsa;
- KeyExchange == ecdhe_rsa ->
- <<?BYTE(?RSA_SIGN), ?BYTE(?DSS_SIGN)>>;
-
-certificate_types({KeyExchange, _, _, _})
- when KeyExchange == dh_ecdsa;
- KeyExchange == dhe_ecdsa ->
- <<?BYTE(?ECDSA_SIGN)>>;
-
-certificate_types(_) ->
- <<?BYTE(?RSA_SIGN)>>.
-
-hashsign_dec(<<?BYTE(HashAlgo), ?BYTE(SignAlgo)>>) ->
- {ssl_cipher:hash_algorithm(HashAlgo), ssl_cipher:sign_algorithm(SignAlgo)}.
-
-hashsign_enc(HashAlgo, SignAlgo) ->
- Hash = ssl_cipher:hash_algorithm(HashAlgo),
- Sign = ssl_cipher:sign_algorithm(SignAlgo),
- <<?BYTE(Hash), ?BYTE(Sign)>>.
-
-certificate_authorities(CertDbHandle, CertDbRef) ->
- Authorities = certificate_authorities_from_db(CertDbHandle, CertDbRef),
- Enc = fun(#'OTPCertificate'{tbsCertificate=TBSCert}) ->
- OTPSubj = TBSCert#'OTPTBSCertificate'.subject,
- DNEncodedBin = public_key:pkix_encode('Name', OTPSubj, otp),
- DNEncodedLen = byte_size(DNEncodedBin),
- <<?UINT16(DNEncodedLen), DNEncodedBin/binary>>
- end,
- list_to_binary([Enc(Cert) || {_, Cert} <- Authorities]).
-
-certificate_authorities_from_db(CertDbHandle, CertDbRef) ->
- ConnectionCerts = fun({{Ref, _, _}, Cert}, Acc) when Ref == CertDbRef ->
- [Cert | Acc];
- (_, Acc) ->
- Acc
- end,
- ssl_pkix_db:foldl(ConnectionCerts, [], CertDbHandle).
-
-
-digitally_signed({3, Minor}, Hash, HashAlgo, Key) when Minor >= 3 ->
- public_key:sign({digest, Hash}, HashAlgo, Key);
-digitally_signed(_Version, Hash, HashAlgo, #'DSAPrivateKey'{} = Key) ->
- public_key:sign({digest, Hash}, HashAlgo, Key);
-digitally_signed(_Version, Hash, _HashAlgo, #'RSAPrivateKey'{} = Key) ->
- public_key:encrypt_private(Hash, Key,
- [{rsa_pad, rsa_pkcs1_padding}]);
-digitally_signed(_Version, Hash, HashAlgo, Key) ->
- public_key:sign({digest, Hash}, HashAlgo, Key).
-
-calc_master_secret({3,0}, _PrfAlgo, PremasterSecret, ClientRandom, ServerRandom) ->
- ssl_ssl3:master_secret(PremasterSecret, ClientRandom, ServerRandom);
-
-calc_master_secret({3,_}, PrfAlgo, PremasterSecret, ClientRandom, ServerRandom) ->
- ssl_tls1:master_secret(PrfAlgo, PremasterSecret, ClientRandom, ServerRandom).
-
-setup_keys({3,0}, _PrfAlgo, MasterSecret,
- ServerRandom, ClientRandom, HashSize, KML, EKML, IVS) ->
- ssl_ssl3:setup_keys(MasterSecret, ServerRandom,
- ClientRandom, HashSize, KML, EKML, IVS);
-
-setup_keys({3,N}, PrfAlgo, MasterSecret,
- ServerRandom, ClientRandom, HashSize, KML, _EKML, IVS) ->
- ssl_tls1:setup_keys(N, PrfAlgo, MasterSecret, ServerRandom, ClientRandom, HashSize,
- KML, IVS).
-
-calc_finished({3, 0}, Role, _PrfAlgo, MasterSecret, Handshake) ->
- ssl_ssl3:finished(Role, MasterSecret, lists:reverse(Handshake));
-calc_finished({3, N}, Role, PrfAlgo, MasterSecret, Handshake) ->
- ssl_tls1:finished(Role, N, PrfAlgo, MasterSecret, lists:reverse(Handshake)).
-
-calc_certificate_verify({3, 0}, HashAlgo, MasterSecret, Handshake) ->
- ssl_ssl3:certificate_verify(HashAlgo, MasterSecret, lists:reverse(Handshake));
-calc_certificate_verify({3, N}, HashAlgo, _MasterSecret, Handshake) ->
- ssl_tls1:certificate_verify(HashAlgo, N, lists:reverse(Handshake)).
-
-key_exchange_alg(rsa) ->
- ?KEY_EXCHANGE_RSA;
-key_exchange_alg(Alg) when Alg == dhe_rsa; Alg == dhe_dss;
- Alg == dh_dss; Alg == dh_rsa; Alg == dh_anon ->
- ?KEY_EXCHANGE_DIFFIE_HELLMAN;
-key_exchange_alg(Alg) when Alg == ecdhe_rsa; Alg == ecdh_rsa;
- Alg == ecdhe_ecdsa; Alg == ecdh_ecdsa;
- Alg == ecdh_anon ->
- ?KEY_EXCHANGE_EC_DIFFIE_HELLMAN;
-key_exchange_alg(psk) ->
- ?KEY_EXCHANGE_PSK;
-key_exchange_alg(dhe_psk) ->
- ?KEY_EXCHANGE_DHE_PSK;
-key_exchange_alg(rsa_psk) ->
- ?KEY_EXCHANGE_RSA_PSK;
-key_exchange_alg(Alg)
- when Alg == srp_rsa; Alg == srp_dss; Alg == srp_anon ->
- ?KEY_EXCHANGE_SRP;
-key_exchange_alg(_) ->
- ?NULL.
-
-apply_user_fun(Fun, OtpCert, ExtensionOrError, UserState0, SslState) ->
- case Fun(OtpCert, ExtensionOrError, UserState0) of
- {valid, UserState} ->
- {valid, {SslState, UserState}};
- {fail, _} = Fail ->
- Fail;
- {unknown, UserState} ->
- {unknown, {SslState, UserState}}
+handle_hello_extensions(Version, Type, Random, HelloExt, SslOpts, Session0, ConnectionStates0, Renegotiation) ->
+ try ssl_handshake:handle_client_hello_extensions(tls_record, Random, HelloExt, Version, SslOpts,
+ Session0, ConnectionStates0, Renegotiation) of
+ {Session, ConnectionStates, ServerHelloExt} ->
+ {Version, {Type, Session}, ConnectionStates, ServerHelloExt}
+ catch throw:Alert ->
+ Alert
end.
-handle_hello_extensions(#client_hello{random = Random,
- cipher_suites = CipherSuites,
- renegotiation_info = Info,
- srp = SRP,
- ec_point_formats = EcPointFormats0,
- elliptic_curves = EllipticCurves0} = Hello, Version,
- #ssl_options{secure_renegotiate = SecureRenegotation} = Opts,
- Session0, ConnectionStates0, Renegotiation) ->
- Session = handle_srp_extension(SRP, Session0),
- ConnectionStates = handle_renegotiation_extension(Version, Info, Random, Session, ConnectionStates0,
- Renegotiation, SecureRenegotation, CipherSuites),
- ProtocolsToAdvertise = handle_next_protocol_extension(Hello, Renegotiation, Opts),
- {EcPointFormats, EllipticCurves} = handle_ecc_extensions(Version, EcPointFormats0, EllipticCurves0),
- %%TODO make extensions compund data structure
- {Session, ConnectionStates, ProtocolsToAdvertise, EcPointFormats, EllipticCurves}.
-
-handle_renegotiation_extension(Version, Info, Random, #session{cipher_suite = CipherSuite,
- compression_method = Compression},
- ConnectionStates0, Renegotiation, SecureRenegotation, CipherSuites) ->
- case handle_renegotiation_info(server, Info, ConnectionStates0,
- Renegotiation, SecureRenegotation,
- CipherSuites) of
- {ok, ConnectionStates1} ->
- hello_pending_connection_states(server,
- Version,
- CipherSuite,
- Random,
- Compression,
- ConnectionStates1);
+handle_hello_extensions(Version, SessionId, Random, CipherSuite,
+ Compression, HelloExt, SslOpt, ConnectionStates0, Renegotiation) ->
+ case ssl_handshake:handle_server_hello_extensions(tls_record, Random, CipherSuite,
+ Compression, HelloExt, Version,
+ SslOpt, ConnectionStates0, Renegotiation) of
#alert{} = Alert ->
- throw(Alert)
+ Alert;
+ {ConnectionStates, Protocol} ->
+ {Version, SessionId, ConnectionStates, Protocol}
end.
-handle_next_protocol_extension(Hello, Renegotiation, SslOpts)->
- case handle_next_protocol_on_server(Hello, Renegotiation, SslOpts) of
- #alert{} = Alert ->
- throw(Alert);
- ProtocolsToAdvertise ->
- ProtocolsToAdvertise
- end.
-
-handle_srp_extension(undefined, Session) ->
- Session;
-handle_srp_extension(#srp{username = Username}, Session) ->
- Session#session{srp_username = Username}.
-
-int_to_bin(I) ->
- L = (length(integer_to_list(I, 16)) + 1) div 2,
- <<I:(L*8)>>.
-
--define(TLSEXT_SIGALG_RSA(MD), {MD, rsa}).
--define(TLSEXT_SIGALG_DSA(MD), {MD, dsa}).
--define(TLSEXT_SIGALG_ECDSA(MD), {MD, ecdsa}).
-
--define(TLSEXT_SIGALG(MD), ?TLSEXT_SIGALG_ECDSA(MD), ?TLSEXT_SIGALG_RSA(MD)).
-
-advertised_hash_signs({Major, Minor}) when Major >= 3 andalso Minor >= 3 ->
- HashSigns = [?TLSEXT_SIGALG(sha512),
- ?TLSEXT_SIGALG(sha384),
- ?TLSEXT_SIGALG(sha256),
- ?TLSEXT_SIGALG(sha224),
- ?TLSEXT_SIGALG(sha),
- ?TLSEXT_SIGALG_DSA(sha),
- ?TLSEXT_SIGALG_RSA(md5)],
- CryptoSupport = crypto:supports(),
- HasECC = proplists:get_bool(ecdsa, proplists:get_value(public_keys, CryptoSupport)),
- Hashs = proplists:get_value(hashs, CryptoSupport),
- #hash_sign_algos{hash_sign_algos =
- lists:filter(fun({Hash, ecdsa}) -> HasECC andalso proplists:get_bool(Hash, Hashs);
- ({Hash, _}) -> proplists:get_bool(Hash, Hashs) end, HashSigns)};
-advertised_hash_signs(_) ->
- undefined.
diff --git a/lib/ssl/src/tls_handshake.hrl b/lib/ssl/src/tls_handshake.hrl
index abf1b5abb6..dbe930cb90 100644
--- a/lib/ssl/src/tls_handshake.hrl
+++ b/lib/ssl/src/tls_handshake.hrl
@@ -34,12 +34,9 @@
cipher_suites, % cipher_suites<2..2^16-1>
compression_methods, % compression_methods<1..2^8-1>,
%% Extensions
- renegotiation_info,
- hash_signs, % supported combinations of hashes/signature algos
- next_protocol_negotiation = undefined, % [binary()]
- srp,
- ec_point_formats,
- elliptic_curves
+ extensions
}).
+-type tls_handshake() :: #client_hello{} | ssl_handshake().
+
-endif. % -ifdef(tls_handshake).
diff --git a/lib/ssl/test/ssl_handshake_SUITE.erl b/lib/ssl/test/ssl_handshake_SUITE.erl
index a40f07fd07..9695710230 100644
--- a/lib/ssl/test/ssl_handshake_SUITE.erl
+++ b/lib/ssl/test/ssl_handshake_SUITE.erl
@@ -32,43 +32,44 @@
%%--------------------------------------------------------------------
suite() -> [{ct_hooks,[ts_install_cth]}].
-all() -> [
- decode_hello_handshake,
- decode_single_hello_extension_correctly,
- decode_unknown_hello_extension_correctly].
+all() -> [decode_hello_handshake,
+ decode_single_hello_extension_correctly,
+ decode_unknown_hello_extension_correctly].
%%--------------------------------------------------------------------
%% Test Cases --------------------------------------------------------
%%--------------------------------------------------------------------
decode_hello_handshake(_Config) ->
- HelloPacket = <<16#02, 16#00, 16#00,
- 16#44, 16#03, 16#03, 16#4e, 16#7f, 16#c1, 16#03, 16#35,
- 16#c2, 16#07, 16#b9, 16#4a, 16#58, 16#af, 16#34, 16#07,
- 16#a6, 16#7e, 16#ef, 16#52, 16#cb, 16#e0, 16#ea, 16#b7,
- 16#aa, 16#47, 16#c8, 16#c2, 16#2c, 16#66, 16#fa, 16#f8,
- 16#09, 16#42, 16#cf, 16#00, 16#c0, 16#30, 16#00, 16#00,
- 16#1c,
- 16#00, 16#0b, 16#00, 16#04, 16#03, 16#00, 16#01, 16#02, % ec_point_formats
- 16#ff, 16#01, 16#00, 16#01, 16#00, %% renegotiate
- 16#00, 16#23,
- 16#00, 16#00, 16#33, 16#74, 16#00, 16#07, 16#06, 16#73,
- 16#70, 16#64, 16#79, 16#2f, 16#32>>,
-
- Version = {3, 0},
- {Records, _Buffer} = tls_handshake:get_tls_handshake(Version, HelloPacket, <<>>),
-
- {Hello, _Data} = hd(Records),
- #renegotiation_info{renegotiated_connection = <<0>>} = Hello#server_hello.renegotiation_info.
+ HelloPacket = <<16#02, 16#00, 16#00,
+ 16#44, 16#03, 16#03, 16#4e, 16#7f, 16#c1, 16#03, 16#35,
+ 16#c2, 16#07, 16#b9, 16#4a, 16#58, 16#af, 16#34, 16#07,
+ 16#a6, 16#7e, 16#ef, 16#52, 16#cb, 16#e0, 16#ea, 16#b7,
+ 16#aa, 16#47, 16#c8, 16#c2, 16#2c, 16#66, 16#fa, 16#f8,
+ 16#09, 16#42, 16#cf, 16#00, 16#c0, 16#30, 16#00, 16#00,
+ 16#1c,
+ 16#00, 16#0b, 16#00, 16#04, 16#03, 16#00, 16#01, 16#02, % ec_point_formats
+ 16#ff, 16#01, 16#00, 16#01, 16#00, %% renegotiate
+ 16#00, 16#23,
+ 16#00, 16#00, 16#33, 16#74, 16#00, 16#07, 16#06, 16#73,
+ 16#70, 16#64, 16#79, 16#2f, 16#32>>,
+ Version = {3, 0},
+ {Records, _Buffer} = tls_handshake:get_tls_handshake(Version, HelloPacket, <<>>),
+
+ {Hello, _Data} = hd(Records),
+ #renegotiation_info{renegotiated_connection = <<0>>}
+ = (Hello#server_hello.extensions)#hello_extensions.renegotiation_info.
+
decode_single_hello_extension_correctly(_Config) ->
- Renegotiation = <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(1), 0>>,
- Extensions = tls_handshake:dec_hello_extensions(Renegotiation, []),
- [{renegotiation_info,#renegotiation_info{renegotiated_connection = <<0>>}}] = Extensions.
-
+ Renegotiation = <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(1), 0>>,
+ Extensions = ssl_handshake:decode_hello_extensions(Renegotiation),
+ #renegotiation_info{renegotiated_connection = <<0>>}
+ = Extensions#hello_extensions.renegotiation_info.
+
decode_unknown_hello_extension_correctly(_Config) ->
- FourByteUnknown = <<16#CA,16#FE, ?UINT16(4), 3, 0, 1, 2>>,
- Renegotiation = <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(1), 0>>,
- Extensions = tls_handshake:dec_hello_extensions(<<FourByteUnknown/binary, Renegotiation/binary>>, []),
- [{renegotiation_info,#renegotiation_info{renegotiated_connection = <<0>>}}] = Extensions.
-
+ FourByteUnknown = <<16#CA,16#FE, ?UINT16(4), 3, 0, 1, 2>>,
+ Renegotiation = <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(1), 0>>,
+ Extensions = ssl_handshake:decode_hello_extensions(<<FourByteUnknown/binary, Renegotiation/binary>>),
+ #renegotiation_info{renegotiated_connection = <<0>>}
+ = Extensions#hello_extensions.renegotiation_info.
diff --git a/lib/ssl/test/ssl_npn_hello_SUITE.erl b/lib/ssl/test/ssl_npn_hello_SUITE.erl
index ef5a02abef..27e1090114 100644
--- a/lib/ssl/test/ssl_npn_hello_SUITE.erl
+++ b/lib/ssl/test/ssl_npn_hello_SUITE.erl
@@ -52,7 +52,7 @@ encode_and_decode_client_hello_test(_Config) ->
Version = tls_record:protocol_version(tls_record:highest_protocol_version([])),
{[{DecodedHandshakeMessage, _Raw}], _} =
tls_handshake:get_tls_handshake(Version, list_to_binary(HandShakeData), <<>>),
- NextProtocolNegotiation = DecodedHandshakeMessage#client_hello.next_protocol_negotiation,
+ NextProtocolNegotiation = (DecodedHandshakeMessage#client_hello.extensions)#hello_extensions.next_protocol_negotiation,
NextProtocolNegotiation = undefined.
%%--------------------------------------------------------------------
encode_and_decode_npn_client_hello_test(_Config) ->
@@ -60,7 +60,7 @@ encode_and_decode_npn_client_hello_test(_Config) ->
Version = tls_record:protocol_version(tls_record:highest_protocol_version([])),
{[{DecodedHandshakeMessage, _Raw}], _} =
tls_handshake:get_tls_handshake(Version, list_to_binary(HandShakeData), <<>>),
- NextProtocolNegotiation = DecodedHandshakeMessage#client_hello.next_protocol_negotiation,
+ NextProtocolNegotiation = (DecodedHandshakeMessage#client_hello.extensions)#hello_extensions.next_protocol_negotiation,
NextProtocolNegotiation = #next_protocol_negotiation{extension_data = <<>>}.
%%--------------------------------------------------------------------
encode_and_decode_server_hello_test(_Config) ->
@@ -68,7 +68,7 @@ encode_and_decode_server_hello_test(_Config) ->
Version = tls_record:protocol_version(tls_record:highest_protocol_version([])),
{[{DecodedHandshakeMessage, _Raw}], _} =
tls_handshake:get_tls_handshake(Version, list_to_binary(HandShakeData), <<>>),
- NextProtocolNegotiation = DecodedHandshakeMessage#server_hello.next_protocol_negotiation,
+ NextProtocolNegotiation = (DecodedHandshakeMessage#server_hello.extensions)#hello_extensions.next_protocol_negotiation,
NextProtocolNegotiation = undefined.
%%--------------------------------------------------------------------
encode_and_decode_npn_server_hello_test(_Config) ->
@@ -76,56 +76,59 @@ encode_and_decode_npn_server_hello_test(_Config) ->
Version = tls_record:protocol_version(tls_record:highest_protocol_version([])),
{[{DecodedHandshakeMessage, _Raw}], _} =
tls_handshake:get_tls_handshake(Version, list_to_binary(HandShakeData), <<>>),
- NextProtocolNegotiation = DecodedHandshakeMessage#server_hello.next_protocol_negotiation,
+ NextProtocolNegotiation = (DecodedHandshakeMessage#server_hello.extensions)#hello_extensions.next_protocol_negotiation,
ct:log("~p ~n", [NextProtocolNegotiation]),
NextProtocolNegotiation = #next_protocol_negotiation{extension_data = <<6, "spdy/2">>}.
%%--------------------------------------------------------------------
create_server_hello_with_no_advertised_protocols_test(_Config) ->
- Hello = tls_handshake:server_hello(<<>>, {3, 0}, create_connection_states(), false, undefined, undefined, undefined),
- undefined = Hello#server_hello.next_protocol_negotiation.
+ Hello = tls_handshake:server_hello(<<>>, {3, 0}, create_connection_states(), #hello_extensions{}),
+ undefined = (Hello#server_hello.extensions)#hello_extensions.next_protocol_negotiation.
%%--------------------------------------------------------------------
create_server_hello_with_advertised_protocols_test(_Config) ->
Hello = tls_handshake:server_hello(<<>>, {3, 0}, create_connection_states(),
- false, [<<"spdy/1">>, <<"http/1.0">>, <<"http/1.1">>], undefined, undefined),
- #next_protocol_negotiation{extension_data = <<6, "spdy/1", 8, "http/1.0", 8, "http/1.1">>} =
- Hello#server_hello.next_protocol_negotiation.
+ #hello_extensions{next_protocol_negotiation = [<<"spdy/1">>, <<"http/1.0">>, <<"http/1.1">>]}),
+ [<<"spdy/1">>, <<"http/1.0">>, <<"http/1.1">>] =
+ (Hello#server_hello.extensions)#hello_extensions.next_protocol_negotiation.
%%--------------------------------------------------------------------
%% Internal functions ------------------------------------------------
%%--------------------------------------------------------------------
create_client_handshake(Npn) ->
+ Vsn = {1, 2},
tls_handshake:encode_handshake(#client_hello{
- client_version = {1, 2},
- random = <<1:256>>,
- session_id = <<>>,
- cipher_suites = [?TLS_DHE_DSS_WITH_DES_CBC_SHA],
- compression_methods = "",
- next_protocol_negotiation = Npn,
- renegotiation_info = #renegotiation_info{}
- }, vsn).
+ client_version = Vsn,
+ random = <<1:256>>,
+ session_id = <<>>,
+ cipher_suites = [?TLS_DHE_DSS_WITH_DES_CBC_SHA],
+ compression_methods = "",
+ extensions = #hello_extensions{
+ next_protocol_negotiation = Npn,
+ renegotiation_info = #renegotiation_info{}}
+ }, Vsn).
create_server_handshake(Npn) ->
+ Vsn = {1, 2},
tls_handshake:encode_handshake(#server_hello{
- server_version = {1, 2},
- random = <<1:256>>,
- session_id = <<>>,
- cipher_suite = ?TLS_DHE_DSS_WITH_DES_CBC_SHA,
- compression_method = 1,
- next_protocol_negotiation = Npn,
- renegotiation_info = #renegotiation_info{}
- }, vsn).
+ server_version = Vsn,
+ random = <<1:256>>,
+ session_id = <<>>,
+ cipher_suite = ?TLS_DHE_DSS_WITH_DES_CBC_SHA,
+ compression_method = 1,
+ extensions = #hello_extensions{
+ next_protocol_negotiation = Npn,
+ renegotiation_info = #renegotiation_info{}}
+ }, Vsn).
create_connection_states() ->
#connection_states{
- pending_read = #connection_state{
- security_parameters = #security_parameters{
- server_random = <<1:256>>,
- compression_algorithm = 1,
- cipher_suite = ?TLS_DHE_DSS_WITH_DES_CBC_SHA
- }
- },
-
- current_read = #connection_state {
- secure_renegotiation = false
- }
- }.
+ pending_read = #connection_state{
+ security_parameters = #security_parameters{
+ server_random = <<1:256>>,
+ compression_algorithm = 1,
+ cipher_suite = ?TLS_DHE_DSS_WITH_DES_CBC_SHA
+ }
+ },
+ current_read = #connection_state {
+ secure_renegotiation = false
+ }
+ }.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 11:55:44 +0000