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-rw-r--r--lib/ssl/src/Makefile2
-rw-r--r--lib/ssl/src/ssl.appup.src2
-rw-r--r--lib/ssl/src/ssl.erl143
-rw-r--r--lib/ssl/src/ssl_alert.erl4
-rw-r--r--lib/ssl/src/ssl_alert.hrl4
-rw-r--r--lib/ssl/src/ssl_certificate.erl9
-rw-r--r--lib/ssl/src/ssl_certificate_db.erl14
-rw-r--r--lib/ssl/src/ssl_cipher.erl320
-rw-r--r--lib/ssl/src/ssl_cipher.hrl46
-rw-r--r--lib/ssl/src/ssl_connection.erl420
-rw-r--r--lib/ssl/src/ssl_handshake.erl665
-rw-r--r--lib/ssl/src/ssl_handshake.hrl45
-rw-r--r--lib/ssl/src/ssl_internal.hrl14
-rw-r--r--lib/ssl/src/ssl_manager.erl6
-rw-r--r--lib/ssl/src/ssl_record.erl40
-rw-r--r--lib/ssl/src/ssl_record.hrl13
-rw-r--r--lib/ssl/src/ssl_ssl3.erl54
-rw-r--r--lib/ssl/src/ssl_tls1.erl188
18 files changed, 1390 insertions, 599 deletions
diff --git a/lib/ssl/src/Makefile b/lib/ssl/src/Makefile
index a08444b8dd..c5c5bf593a 100644
--- a/lib/ssl/src/Makefile
+++ b/lib/ssl/src/Makefile
@@ -1,7 +1,7 @@
#
# %CopyrightBegin%
#
-# Copyright Ericsson AB 1999-2011. All Rights Reserved.
+# Copyright Ericsson AB 1999-2012. 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
diff --git a/lib/ssl/src/ssl.appup.src b/lib/ssl/src/ssl.appup.src
index e346b1e9e6..76550fa04b 100644
--- a/lib/ssl/src/ssl.appup.src
+++ b/lib/ssl/src/ssl.appup.src
@@ -1,11 +1,13 @@
%% -*- erlang -*-
{"%VSN%",
[
+ {"5.0.1", [{restart_application, ssl}]},
{"5.0", [{restart_application, ssl}]},
{<<"4\\.*">>, [{restart_application, ssl}]},
{<<"3\\.*">>, [{restart_application, ssl}]}
],
[
+ {"5.0.1", [{restart_application, ssl}]},
{"5.0", [{restart_application, ssl}]},
{<<"4\\.*">>, [{restart_application, ssl}]},
{<<"3\\.*">>, [{restart_application, ssl}]}
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 5e3ced144a..9a562aa5a8 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -25,18 +25,21 @@
-export([start/0, start/1, stop/0, transport_accept/1,
transport_accept/2, ssl_accept/1, ssl_accept/2, ssl_accept/3,
- cipher_suites/0, cipher_suites/1, close/1, shutdown/2,
+ cipher_suites/0, cipher_suites/1, suite_definition/1,
+ close/1, shutdown/2,
connect/3, connect/2, connect/4, connection_info/1,
controlling_process/2, listen/2, pid/1, peername/1, peercert/1,
recv/2, recv/3, send/2, getopts/2, setopts/2, sockname/1,
versions/0, session_info/1, format_error/1,
- renegotiate/1, prf/5, clear_pem_cache/0]).
+ renegotiate/1, prf/5, clear_pem_cache/0, random_bytes/1, negotiated_next_protocol/1]).
+
-deprecated({pid, 1, next_major_release}).
-include("ssl_internal.hrl").
-include("ssl_record.hrl").
-include("ssl_cipher.hrl").
+-include("ssl_handshake.hrl").
-include_lib("public_key/include/public_key.hrl").
@@ -64,7 +67,9 @@
{keyfile, path()} | {password, string()} | {cacerts, [Der::binary()]} |
{cacertfile, path()} | {dh, Der::binary()} | {dhfile, path()} |
{ciphers, ciphers()} | {ssl_imp, ssl_imp()} | {reuse_sessions, boolean()} |
- {reuse_session, fun()} | {hibernate_after, integer()|undefined}.
+ {reuse_session, fun()} | {hibernate_after, integer()|undefined} |
+ {next_protocols_advertised, list(binary())} |
+ {client_preferred_next_protocols, binary(), client | server, list(binary())}.
-type verify_type() :: verify_none | verify_peer.
-type path() :: string().
@@ -304,6 +309,23 @@ peercert(#sslsocket{pid = Pid}) ->
end.
%%--------------------------------------------------------------------
+-spec suite_definition(cipher_suite()) -> erl_cipher_suite().
+%%
+%% Description: Return erlang cipher suite definition.
+%%--------------------------------------------------------------------
+suite_definition(S) ->
+ {KeyExchange, Cipher, Hash, _} = ssl_cipher:suite_definition(S),
+ {KeyExchange, Cipher, Hash}.
+
+%%--------------------------------------------------------------------
+-spec negotiated_next_protocol(#sslsocket{}) -> {ok, binary()} | {error, reason()}.
+%%
+%% Description: Returns the next protocol that has been negotiated. If no
+%% protocol has been negotiated will return {error, next_protocol_not_negotiated}
+%%--------------------------------------------------------------------
+negotiated_next_protocol(#sslsocket{fd = new_ssl, pid = Pid}) ->
+ ssl_connection:negotiated_next_protocol(Pid).
+
-spec cipher_suites() -> [erl_cipher_suite()].
-spec cipher_suites(erlang | openssl) -> [erl_cipher_suite()] | [string()].
@@ -314,7 +336,7 @@ cipher_suites() ->
cipher_suites(erlang) ->
Version = ssl_record:highest_protocol_version([]),
- [ssl_cipher:suite_definition(S) || S <- ssl_cipher:suites(Version)];
+ [suite_definition(S) || S <- ssl_cipher:suites(Version)];
cipher_suites(openssl) ->
Version = ssl_record:highest_protocol_version([]),
@@ -408,7 +430,7 @@ session_info(#sslsocket{pid = Pid, fd = new_ssl}) ->
versions() ->
Vsns = ssl_record:supported_protocol_versions(),
SupportedVsns = [ssl_record:protocol_version(Vsn) || Vsn <- Vsns],
- AvailableVsns = ?DEFAULT_SUPPORTED_VERSIONS,
+ AvailableVsns = ?ALL_SUPPORTED_VERSIONS,
[{ssl_app, ?VSN}, {supported, SupportedVsns}, {available, AvailableVsns}].
@@ -474,6 +496,23 @@ format_error(Error) ->
Other
end.
+%%--------------------------------------------------------------------
+-spec random_bytes(integer()) -> binary().
+
+%%
+%% Description: Generates cryptographically secure random sequence if possible
+%% fallbacks on pseudo random function
+%%--------------------------------------------------------------------
+random_bytes(N) ->
+ try crypto:strong_rand_bytes(N) of
+ RandBytes ->
+ RandBytes
+ catch
+ error:low_entropy ->
+ crypto:rand_bytes(N)
+ end.
+
+
%%%--------------------------------------------------------------
%%% Internal functions
%%%--------------------------------------------------------------------
@@ -567,7 +606,9 @@ handle_options(Opts0, _Role) ->
renegotiate_at = handle_option(renegotiate_at, Opts, ?DEFAULT_RENEGOTIATE_AT),
debug = handle_option(debug, Opts, []),
hibernate_after = handle_option(hibernate_after, Opts, undefined),
- erl_dist = handle_option(erl_dist, Opts, false)
+ erl_dist = handle_option(erl_dist, Opts, false),
+ next_protocols_advertised = handle_option(next_protocols_advertised, Opts, undefined),
+ next_protocol_selector = make_next_protocol_selector(handle_option(client_preferred_next_protocols, Opts, undefined))
},
CbInfo = proplists:get_value(cb_info, Opts, {gen_tcp, tcp, tcp_closed, tcp_error}),
@@ -576,7 +617,8 @@ handle_options(Opts0, _Role) ->
depth, cert, certfile, key, keyfile,
password, cacerts, cacertfile, dh, dhfile, ciphers,
debug, reuse_session, reuse_sessions, ssl_imp,
- cb_info, renegotiate_at, secure_renegotiate, hibernate_after, erl_dist],
+ cb_info, renegotiate_at, secure_renegotiate, hibernate_after, erl_dist, next_protocols_advertised,
+ client_preferred_next_protocols],
SockOpts = lists:foldl(fun(Key, PropList) ->
proplists:delete(Key, PropList)
@@ -701,15 +743,68 @@ validate_option(hibernate_after, undefined) ->
undefined;
validate_option(hibernate_after, Value) when is_integer(Value), Value >= 0 ->
Value;
-validate_option(erl_dist,Value) when Value == true;
+validate_option(erl_dist,Value) when Value == true;
Value == false ->
Value;
+validate_option(client_preferred_next_protocols = Opt, {Precedence, PreferredProtocols} = Value)
+ when is_list(PreferredProtocols) ->
+ case ssl_record:highest_protocol_version([]) of
+ {3,0} ->
+ throw({error, {eoptions, {not_supported_in_sslv3, {Opt, Value}}}});
+ _ ->
+ validate_binary_list(client_preferred_next_protocols, PreferredProtocols),
+ validate_npn_ordering(Precedence),
+ {Precedence, PreferredProtocols, ?NO_PROTOCOL}
+ end;
+validate_option(client_preferred_next_protocols = Opt, {Precedence, PreferredProtocols, Default} = Value)
+ when is_list(PreferredProtocols), is_binary(Default),
+ byte_size(Default) > 0, byte_size(Default) < 256 ->
+ case ssl_record:highest_protocol_version([]) of
+ {3,0} ->
+ throw({error, {eoptions, {not_supported_in_sslv3, {Opt, Value}}}});
+ _ ->
+ validate_binary_list(client_preferred_next_protocols, PreferredProtocols),
+ validate_npn_ordering(Precedence),
+ Value
+ end;
+
+validate_option(client_preferred_next_protocols, undefined) ->
+ undefined;
+validate_option(next_protocols_advertised = Opt, Value) when is_list(Value) ->
+ case ssl_record:highest_protocol_version([]) of
+ {3,0} ->
+ throw({error, {eoptions, {not_supported_in_sslv3, {Opt, Value}}}});
+ _ ->
+ validate_binary_list(next_protocols_advertised, Value),
+ Value
+ end;
+
+validate_option(next_protocols_advertised, undefined) ->
+ undefined;
validate_option(Opt, Value) ->
throw({error, {eoptions, {Opt, Value}}}).
-
+
+validate_npn_ordering(client) ->
+ ok;
+validate_npn_ordering(server) ->
+ ok;
+validate_npn_ordering(Value) ->
+ throw({error, {eoptions, {client_preferred_next_protocols, {invalid_precedence, Value}}}}).
+
+validate_binary_list(Opt, List) ->
+ lists:foreach(
+ fun(Bin) when is_binary(Bin),
+ byte_size(Bin) > 0,
+ byte_size(Bin) < 256 ->
+ ok;
+ (Bin) ->
+ throw({error, {eoptions, {Opt, {invalid_protocol, Bin}}}})
+ end, List).
+
validate_versions([], Versions) ->
Versions;
-validate_versions([Version | Rest], Versions) when Version == 'tlsv1.1';
+validate_versions([Version | Rest], Versions) when Version == 'tlsv1.2';
+ Version == 'tlsv1.1';
Version == tlsv1;
Version == sslv3 ->
validate_versions(Rest, Versions);
@@ -811,6 +906,34 @@ cipher_suites(Version, Ciphers0) ->
no_format(Error) ->
lists:flatten(io_lib:format("No format string for error: \"~p\" available.", [Error])).
+
+detect(_Pred, []) ->
+ undefined;
+detect(Pred, [H|T]) ->
+ case Pred(H) of
+ true ->
+ H;
+ _ ->
+ detect(Pred, T)
+ end.
+
+make_next_protocol_selector(undefined) ->
+ undefined;
+make_next_protocol_selector({client, AllProtocols, DefaultProtocol}) ->
+ fun(AdvertisedProtocols) ->
+ case detect(fun(PreferredProtocol) -> lists:member(PreferredProtocol, AdvertisedProtocols) end, AllProtocols) of
+ undefined -> DefaultProtocol;
+ PreferredProtocol -> PreferredProtocol
+ end
+ end;
+
+make_next_protocol_selector({server, AllProtocols, DefaultProtocol}) ->
+ fun(AdvertisedProtocols) ->
+ case detect(fun(PreferredProtocol) -> lists:member(PreferredProtocol, AllProtocols) end, AdvertisedProtocols) of
+ undefined -> DefaultProtocol;
+ PreferredProtocol -> PreferredProtocol
+ end
+ end.
%% Only used to remove exit messages from old ssl
%% First is a nonsense clause to provide some
diff --git a/lib/ssl/src/ssl_alert.erl b/lib/ssl/src/ssl_alert.erl
index eb1228afa4..222b3f1ad7 100644
--- a/lib/ssl/src/ssl_alert.erl
+++ b/lib/ssl/src/ssl_alert.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2012. 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
@@ -84,6 +84,8 @@ description_txt(?DECOMPRESSION_FAILURE) ->
"decompression failure";
description_txt(?HANDSHAKE_FAILURE) ->
"handshake failure";
+description_txt(?NO_CERTIFICATE_RESERVED) ->
+ "No certificate reserved";
description_txt(?BAD_CERTIFICATE) ->
"bad certificate";
description_txt(?UNSUPPORTED_CERTIFICATE) ->
diff --git a/lib/ssl/src/ssl_alert.hrl b/lib/ssl/src/ssl_alert.hrl
index 6470b82d50..92548edab7 100644
--- a/lib/ssl/src/ssl_alert.hrl
+++ b/lib/ssl/src/ssl_alert.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2009. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2012. 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
@@ -43,6 +43,7 @@
%% record_overflow(22),
%% decompression_failure(30),
%% handshake_failure(40),
+%% no_certificate_RESERVED(41), %% Only sslv3
%% bad_certificate(42),
%% unsupported_certificate(43),
%% certificate_revoked(44),
@@ -69,6 +70,7 @@
-define(RECORD_OVERFLOW, 22).
-define(DECOMPRESSION_FAILURE, 30).
-define(HANDSHAKE_FAILURE, 40).
+-define(NO_CERTIFICATE_RESERVED, 41).
-define(BAD_CERTIFICATE, 42).
-define(UNSUPPORTED_CERTIFICATE, 43).
-define(CERTIFICATE_REVOKED, 44).
diff --git a/lib/ssl/src/ssl_certificate.erl b/lib/ssl/src/ssl_certificate.erl
index 0931b86782..86f5617b54 100644
--- a/lib/ssl/src/ssl_certificate.erl
+++ b/lib/ssl/src/ssl_certificate.erl
@@ -103,7 +103,7 @@ certificate_chain(OwnCert, CertDbHandle, CertsDbRef) ->
ErlCert = public_key:pkix_decode_cert(OwnCert, otp),
certificate_chain(ErlCert, OwnCert, CertDbHandle, CertsDbRef, [OwnCert]).
%%--------------------------------------------------------------------
--spec file_to_certificats(string(), term()) -> [der_cert()].
+-spec file_to_certificats(binary(), term()) -> [der_cert()].
%%
%% Description: Return list of DER encoded certificates.
%%--------------------------------------------------------------------
@@ -172,7 +172,12 @@ extensions_list(Extensions) ->
%% Description:
%%--------------------------------------------------------------------
signature_type(RSA) when RSA == ?sha1WithRSAEncryption;
- RSA == ?md5WithRSAEncryption ->
+ RSA == ?md5WithRSAEncryption;
+ RSA == ?sha224WithRSAEncryption;
+ RSA == ?sha256WithRSAEncryption;
+ RSA == ?sha384WithRSAEncryption;
+ RSA == ?sha512WithRSAEncryption
+ ->
rsa;
signature_type(?'id-dsa-with-sha1') ->
dsa.
diff --git a/lib/ssl/src/ssl_certificate_db.erl b/lib/ssl/src/ssl_certificate_db.erl
index 01ddf056c9..67d00f0da7 100644
--- a/lib/ssl/src/ssl_certificate_db.erl
+++ b/lib/ssl/src/ssl_certificate_db.erl
@@ -106,7 +106,7 @@ add_trusted_certs(_Pid, File, [CertsDb, RefDb, PemChache] = Db) ->
{ok, Ref};
[Content] ->
Ref = make_ref(),
- insert(Ref, [], 1, RefDb),
+ update_counter(Ref, 1, RefDb),
insert(MD5, {Content, Ref}, PemChache),
add_certs_from_pem(Content, Ref, CertsDb),
{ok, Ref};
@@ -114,8 +114,8 @@ add_trusted_certs(_Pid, File, [CertsDb, RefDb, PemChache] = Db) ->
new_trusted_cert_entry({MD5, File}, Db)
end.
%%--------------------------------------------------------------------
--spec cache_pem_file(string(), [db_handle()]) -> term().
--spec cache_pem_file(reference(), string(), [db_handle()]) -> term().
+-spec cache_pem_file({binary(), binary()}, [db_handle()]) -> term().
+-spec cache_pem_file(reference(), {binary(), binary()}, [db_handle()]) -> term().
%%
%% Description: Cache file as binary in DB
%%--------------------------------------------------------------------
@@ -204,10 +204,8 @@ insert(Key, Data, Db) ->
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
-insert(Key, [], Count, Db) ->
- true = ets:insert(Db, {Key, Count});
-insert(Key, Data, Count, Db) ->
- true = ets:insert(Db, {Key, Count, Data}).
+update_counter(Key, Count, Db) ->
+ true = ets:insert(Db, {Key, Count}).
remove_certs(Ref, CertsDb) ->
ets:match_delete(CertsDb, {{Ref, '_', '_'}, '_'}).
@@ -236,7 +234,7 @@ add_certs(Cert, Ref, CertsDb) ->
new_trusted_cert_entry(FileRef, [CertsDb, RefDb, _] = Db) ->
Ref = make_ref(),
- insert(Ref, [], 1, RefDb),
+ update_counter(Ref, 1, RefDb),
{ok, Content} = cache_pem_file(Ref, FileRef, Db),
add_certs_from_pem(Content, Ref, CertsDb),
{ok, Ref}.
diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl
index d43d312be8..567690a413 100644
--- a/lib/ssl/src/ssl_cipher.erl
+++ b/lib/ssl/src/ssl_cipher.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2012. 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
@@ -28,25 +28,27 @@
-include("ssl_internal.hrl").
-include("ssl_record.hrl").
-include("ssl_cipher.hrl").
+-include("ssl_handshake.hrl").
-include("ssl_alert.hrl").
-include_lib("public_key/include/public_key.hrl").
--export([security_parameters/2, suite_definition/1,
- decipher/5, cipher/4,
+-export([security_parameters/3, suite_definition/1,
+ decipher/5, cipher/5,
suite/1, suites/1, anonymous_suites/0,
- openssl_suite/1, openssl_suite_name/1, filter/2]).
+ openssl_suite/1, openssl_suite_name/1, filter/2,
+ hash_algorithm/1, sign_algorithm/1]).
-compile(inline).
%%--------------------------------------------------------------------
--spec security_parameters(cipher_suite(), #security_parameters{}) ->
+-spec security_parameters(tls_version(), cipher_suite(), #security_parameters{}) ->
#security_parameters{}.
%%
%% Description: Returns a security parameters record where the
%% cipher values has been updated according to <CipherSuite>
%%-------------------------------------------------------------------
-security_parameters(CipherSuite, SecParams) ->
- { _, Cipher, Hash} = suite_definition(CipherSuite),
+security_parameters(Version, CipherSuite, SecParams) ->
+ { _, Cipher, Hash, PrfHashAlg} = suite_definition(CipherSuite),
SecParams#security_parameters{
cipher_suite = CipherSuite,
bulk_cipher_algorithm = bulk_cipher_algorithm(Cipher),
@@ -55,20 +57,21 @@ security_parameters(CipherSuite, SecParams) ->
expanded_key_material_length = expanded_key_material(Cipher),
key_material_length = key_material(Cipher),
iv_size = iv_size(Cipher),
- mac_algorithm = mac_algorithm(Hash),
+ mac_algorithm = hash_algorithm(Hash),
+ prf_algorithm = prf_algorithm(PrfHashAlg, Version),
hash_size = hash_size(Hash)}.
%%--------------------------------------------------------------------
--spec cipher(cipher_enum(), #cipher_state{}, binary(), binary()) ->
+-spec cipher(cipher_enum(), #cipher_state{}, binary(), binary(), tls_version()) ->
{binary(), #cipher_state{}}.
%%
%% Description: Encrypts the data and the MAC using chipher described
%% by cipher_enum() and updating the cipher state
%%-------------------------------------------------------------------
-cipher(?NULL, CipherState, <<>>, Fragment) ->
+cipher(?NULL, CipherState, <<>>, Fragment, _Version) ->
GenStreamCipherList = [Fragment, <<>>],
{GenStreamCipherList, CipherState};
-cipher(?RC4, CipherState, Mac, Fragment) ->
+cipher(?RC4, CipherState, Mac, Fragment, _Version) ->
State0 = case CipherState#cipher_state.state of
undefined -> crypto:rc4_set_key(CipherState#cipher_state.key);
S -> S
@@ -76,32 +79,41 @@ cipher(?RC4, CipherState, Mac, Fragment) ->
GenStreamCipherList = [Fragment, Mac],
{State1, T} = crypto:rc4_encrypt_with_state(State0, GenStreamCipherList),
{T, CipherState#cipher_state{state = State1}};
-cipher(?DES, CipherState, Mac, Fragment) ->
+cipher(?DES, CipherState, Mac, Fragment, Version) ->
block_cipher(fun(Key, IV, T) ->
crypto:des_cbc_encrypt(Key, IV, T)
- end, block_size(des_cbc), CipherState, Mac, Fragment);
-cipher(?'3DES', CipherState, Mac, Fragment) ->
+ end, block_size(des_cbc), CipherState, Mac, Fragment, Version);
+cipher(?'3DES', CipherState, Mac, Fragment, Version) ->
block_cipher(fun(<<K1:8/binary, K2:8/binary, K3:8/binary>>, IV, T) ->
crypto:des3_cbc_encrypt(K1, K2, K3, IV, T)
- end, block_size(des_cbc), CipherState, Mac, Fragment);
-cipher(?AES, CipherState, Mac, Fragment) ->
+ end, block_size(des_cbc), CipherState, Mac, Fragment, Version);
+cipher(?AES, CipherState, Mac, Fragment, Version) ->
block_cipher(fun(Key, IV, T) when byte_size(Key) =:= 16 ->
crypto:aes_cbc_128_encrypt(Key, IV, T);
(Key, IV, T) when byte_size(Key) =:= 32 ->
crypto:aes_cbc_256_encrypt(Key, IV, T)
- end, block_size(aes_128_cbc), CipherState, Mac, Fragment).
-%% cipher(?IDEA, CipherState, Mac, Fragment) ->
-%% block_cipher(fun(Key, IV, T) ->
-%% crypto:idea_cbc_encrypt(Key, IV, T)
-%% end, block_size(idea_cbc), CipherState, Mac, Fragment);
-
-block_cipher(Fun, BlockSz, #cipher_state{key=Key, iv=IV} = CS0,
- Mac, Fragment) ->
+ end, block_size(aes_128_cbc), CipherState, Mac, Fragment, Version).
+
+build_cipher_block(BlockSz, Mac, Fragment) ->
TotSz = byte_size(Mac) + erlang:iolist_size(Fragment) + 1,
{PaddingLength, Padding} = get_padding(TotSz, BlockSz),
- L = [Fragment, Mac, PaddingLength, Padding],
+ [Fragment, Mac, PaddingLength, Padding].
+
+block_cipher(Fun, BlockSz, #cipher_state{key=Key, iv=IV} = CS0,
+ Mac, Fragment, {3, N})
+ when N == 0; N == 1 ->
+ L = build_cipher_block(BlockSz, Mac, Fragment),
T = Fun(Key, IV, L),
NextIV = next_iv(T, IV),
+ {T, CS0#cipher_state{iv=NextIV}};
+
+block_cipher(Fun, BlockSz, #cipher_state{key=Key, iv=IV} = CS0,
+ Mac, Fragment, {3, N})
+ when N == 2; N == 3 ->
+ NextIV = random_iv(IV),
+ L0 = build_cipher_block(BlockSz, Mac, Fragment),
+ L = [NextIV|L0],
+ T = Fun(Key, IV, L),
{T, CS0#cipher_state{iv=NextIV}}.
%%--------------------------------------------------------------------
@@ -147,19 +159,16 @@ decipher(?AES, HashSz, CipherState, Fragment, Version) ->
(Key, IV, T) when byte_size(Key) =:= 32 ->
crypto:aes_cbc_256_decrypt(Key, IV, T)
end, CipherState, HashSz, Fragment, Version).
-%% decipher(?IDEA, HashSz, CipherState, Fragment, Version) ->
-%% block_decipher(fun(Key, IV, T) ->
-%% crypto:idea_cbc_decrypt(Key, IV, T)
-%% end, CipherState, HashSz, Fragment, Version);
block_decipher(Fun, #cipher_state{key=Key, iv=IV} = CipherState0,
HashSz, Fragment, Version) ->
try
Text = Fun(Key, IV, Fragment),
- GBC = generic_block_cipher_from_bin(Text, HashSz),
+ NextIV = next_iv(Fragment, IV),
+ GBC = generic_block_cipher_from_bin(Version, Text, NextIV, HashSz),
Content = GBC#generic_block_cipher.content,
Mac = GBC#generic_block_cipher.mac,
- CipherState1 = CipherState0#cipher_state{iv=next_iv(Fragment, IV)},
+ CipherState1 = CipherState0#cipher_state{iv=GBC#generic_block_cipher.next_iv},
case is_correct_padding(GBC, Version) of
true ->
{Content, Mac, CipherState1};
@@ -187,8 +196,8 @@ block_decipher(Fun, #cipher_state{key=Key, iv=IV} = CipherState0,
%%--------------------------------------------------------------------
suites({3, 0}) ->
ssl_ssl3:suites();
-suites({3, N}) when N == 1; N == 2 ->
- ssl_tls1:suites().
+suites({3, N}) ->
+ ssl_tls1:suites(N).
%%--------------------------------------------------------------------
-spec anonymous_suites() -> [cipher_suite()].
@@ -201,10 +210,12 @@ anonymous_suites() ->
?TLS_DH_anon_WITH_DES_CBC_SHA,
?TLS_DH_anon_WITH_3DES_EDE_CBC_SHA,
?TLS_DH_anon_WITH_AES_128_CBC_SHA,
- ?TLS_DH_anon_WITH_AES_256_CBC_SHA].
+ ?TLS_DH_anon_WITH_AES_256_CBC_SHA,
+ ?TLS_DH_anon_WITH_AES_128_CBC_SHA256,
+ ?TLS_DH_anon_WITH_AES_256_CBC_SHA256].
%%--------------------------------------------------------------------
--spec suite_definition(cipher_suite()) -> erl_cipher_suite().
+-spec suite_definition(cipher_suite()) -> int_cipher_suite().
%%
%% Description: Return erlang cipher suite definition.
%% Note: Currently not supported suites are commented away.
@@ -212,56 +223,81 @@ anonymous_suites() ->
%%-------------------------------------------------------------------
%% TLS v1.1 suites
suite_definition(?TLS_NULL_WITH_NULL_NULL) ->
- {null, null, null};
+ {null, null, null, null};
%% suite_definition(?TLS_RSA_WITH_NULL_MD5) ->
-%% {rsa, null, md5};
+%% {rsa, null, md5, default_prf};
%% suite_definition(?TLS_RSA_WITH_NULL_SHA) ->
-%% {rsa, null, sha};
+%% {rsa, null, sha, default_prf};
suite_definition(?TLS_RSA_WITH_RC4_128_MD5) ->
- {rsa, rc4_128, md5};
-suite_definition(?TLS_RSA_WITH_RC4_128_SHA) ->
- {rsa, rc4_128, sha};
-%% suite_definition(?TLS_RSA_WITH_IDEA_CBC_SHA) ->
-%% {rsa, idea_cbc, sha};
-suite_definition(?TLS_RSA_WITH_DES_CBC_SHA) ->
- {rsa, des_cbc, sha};
+ {rsa, rc4_128, md5, default_prf};
+suite_definition(?TLS_RSA_WITH_RC4_128_SHA) ->
+ {rsa, rc4_128, sha, default_prf};
+suite_definition(?TLS_RSA_WITH_DES_CBC_SHA) ->
+ {rsa, des_cbc, sha, default_prf};
suite_definition(?TLS_RSA_WITH_3DES_EDE_CBC_SHA) ->
- {rsa, '3des_ede_cbc', sha};
+ {rsa, '3des_ede_cbc', sha, default_prf};
suite_definition(?TLS_DHE_DSS_WITH_DES_CBC_SHA) ->
- {dhe_dss, des_cbc, sha};
+ {dhe_dss, des_cbc, sha, default_prf};
suite_definition(?TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA) ->
- {dhe_dss, '3des_ede_cbc', sha};
+ {dhe_dss, '3des_ede_cbc', sha, default_prf};
suite_definition(?TLS_DHE_RSA_WITH_DES_CBC_SHA) ->
- {dhe_rsa, des_cbc, sha};
+ {dhe_rsa, des_cbc, sha, default_prf};
suite_definition(?TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA) ->
- {dhe_rsa, '3des_ede_cbc', sha};
+ {dhe_rsa, '3des_ede_cbc', sha, default_prf};
%%% TSL V1.1 AES suites
suite_definition(?TLS_RSA_WITH_AES_128_CBC_SHA) ->
- {rsa, aes_128_cbc, sha};
+ {rsa, aes_128_cbc, sha, default_prf};
suite_definition(?TLS_DHE_DSS_WITH_AES_128_CBC_SHA) ->
- {dhe_dss, aes_128_cbc, sha};
+ {dhe_dss, aes_128_cbc, sha, default_prf};
suite_definition(?TLS_DHE_RSA_WITH_AES_128_CBC_SHA) ->
- {dhe_rsa, aes_128_cbc, sha};
+ {dhe_rsa, aes_128_cbc, sha, default_prf};
suite_definition(?TLS_RSA_WITH_AES_256_CBC_SHA) ->
- {rsa, aes_256_cbc, sha};
+ {rsa, aes_256_cbc, sha, default_prf};
suite_definition(?TLS_DHE_DSS_WITH_AES_256_CBC_SHA) ->
- {dhe_dss, aes_256_cbc, sha};
+ {dhe_dss, aes_256_cbc, sha, default_prf};
suite_definition(?TLS_DHE_RSA_WITH_AES_256_CBC_SHA) ->
- {dhe_rsa, aes_256_cbc, sha};
+ {dhe_rsa, aes_256_cbc, sha, default_prf};
+
+%% TLS v1.2 suites
+
+%% suite_definition(?TLS_RSA_WITH_NULL_SHA) ->
+%% {rsa, null, sha, default_prf};
+suite_definition(?TLS_RSA_WITH_AES_128_CBC_SHA256) ->
+ {rsa, aes_128_cbc, sha256, default_prf};
+suite_definition(?TLS_RSA_WITH_AES_256_CBC_SHA256) ->
+ {rsa, aes_256_cbc, sha256, default_prf};
+suite_definition(?TLS_DHE_DSS_WITH_AES_128_CBC_SHA256) ->
+ {dhe_dss, aes_128_cbc, sha256, default_prf};
+suite_definition(?TLS_DHE_RSA_WITH_AES_128_CBC_SHA256) ->
+ {dhe_rsa, aes_128_cbc, sha256, default_prf};
+suite_definition(?TLS_DHE_DSS_WITH_AES_256_CBC_SHA256) ->
+ {dhe_dss, aes_256_cbc, sha256, default_prf};
+suite_definition(?TLS_DHE_RSA_WITH_AES_256_CBC_SHA256) ->
+ {dhe_rsa, aes_256_cbc, sha256, default_prf};
+
+%% not defined YET:
+%% TLS_DH_DSS_WITH_AES_128_CBC_SHA256 DH_DSS AES_128_CBC SHA256
+%% TLS_DH_RSA_WITH_AES_128_CBC_SHA256 DH_RSA AES_128_CBC SHA256
+%% TLS_DH_DSS_WITH_AES_256_CBC_SHA256 DH_DSS AES_256_CBC SHA256
+%% TLS_DH_RSA_WITH_AES_256_CBC_SHA256 DH_RSA AES_256_CBC SHA256
%%% DH-ANON deprecated by TLS spec and not available
%%% by default, but good for testing purposes.
suite_definition(?TLS_DH_anon_WITH_RC4_128_MD5) ->
- {dh_anon, rc4_128, md5};
+ {dh_anon, rc4_128, md5, default_prf};
suite_definition(?TLS_DH_anon_WITH_DES_CBC_SHA) ->
- {dh_anon, des_cbc, sha};
+ {dh_anon, des_cbc, sha, default_prf};
suite_definition(?TLS_DH_anon_WITH_3DES_EDE_CBC_SHA) ->
- {dh_anon, '3des_ede_cbc', sha};
+ {dh_anon, '3des_ede_cbc', sha, default_prf};
suite_definition(?TLS_DH_anon_WITH_AES_128_CBC_SHA) ->
- {dh_anon, aes_128_cbc, sha};
+ {dh_anon, aes_128_cbc, sha, default_prf};
suite_definition(?TLS_DH_anon_WITH_AES_256_CBC_SHA) ->
- {dh_anon, aes_256_cbc, sha}.
+ {dh_anon, aes_256_cbc, sha, default_prf};
+suite_definition(?TLS_DH_anon_WITH_AES_128_CBC_SHA256) ->
+ {dh_anon, aes_128_cbc, sha256, default_prf};
+suite_definition(?TLS_DH_anon_WITH_AES_256_CBC_SHA256) ->
+ {dh_anon, aes_256_cbc, sha256, default_prf}.
%%--------------------------------------------------------------------
-spec suite(erl_cipher_suite()) -> cipher_suite().
@@ -278,8 +314,6 @@ suite({rsa, rc4_128, md5}) ->
?TLS_RSA_WITH_RC4_128_MD5;
suite({rsa, rc4_128, sha}) ->
?TLS_RSA_WITH_RC4_128_SHA;
-%% suite({rsa, idea_cbc, sha}) ->
-%% ?TLS_RSA_WITH_IDEA_CBC_SHA;
suite({rsa, des_cbc, sha}) ->
?TLS_RSA_WITH_DES_CBC_SHA;
suite({rsa, '3des_ede_cbc', sha}) ->
@@ -315,7 +349,28 @@ suite({dhe_dss, aes_256_cbc, sha}) ->
suite({dhe_rsa, aes_256_cbc, sha}) ->
?TLS_DHE_RSA_WITH_AES_256_CBC_SHA;
suite({dh_anon, aes_256_cbc, sha}) ->
- ?TLS_DH_anon_WITH_AES_256_CBC_SHA.
+ ?TLS_DH_anon_WITH_AES_256_CBC_SHA;
+
+%% TLS v1.2 suites
+
+%% suite_definition(?TLS_RSA_WITH_NULL_SHA) ->
+%% {rsa, null, sha, sha256};
+suite({rsa, aes_128_cbc, sha256}) ->
+ ?TLS_RSA_WITH_AES_128_CBC_SHA256;
+suite({rsa, aes_256_cbc, sha256}) ->
+ ?TLS_RSA_WITH_AES_256_CBC_SHA256;
+suite({dhe_dss, aes_128_cbc, sha256}) ->
+ ?TLS_DHE_DSS_WITH_AES_128_CBC_SHA256;
+suite({dhe_rsa, aes_128_cbc, sha256}) ->
+ ?TLS_DHE_RSA_WITH_AES_128_CBC_SHA256;
+suite({dhe_dss, aes_256_cbc, sha256}) ->
+ ?TLS_DHE_DSS_WITH_AES_256_CBC_SHA256;
+suite({dhe_rsa, aes_256_cbc, sha256}) ->
+ ?TLS_DHE_RSA_WITH_AES_256_CBC_SHA256;
+suite({dh_anon, aes_128_cbc, sha256}) ->
+ ?TLS_DH_anon_WITH_AES_128_CBC_SHA256;
+suite({dh_anon, aes_256_cbc, sha256}) ->
+ ?TLS_DH_anon_WITH_AES_256_CBC_SHA256.
%%--------------------------------------------------------------------
-spec openssl_suite(openssl_cipher_suite()) -> cipher_suite().
@@ -323,6 +378,18 @@ suite({dh_anon, aes_256_cbc, sha}) ->
%% Description: Return TLS cipher suite definition.
%%--------------------------------------------------------------------
%% translate constants <-> openssl-strings
+openssl_suite("DHE-RSA-AES256-SHA256") ->
+ ?TLS_DHE_RSA_WITH_AES_256_CBC_SHA256;
+openssl_suite("DHE-DSS-AES256-SHA256") ->
+ ?TLS_DHE_DSS_WITH_AES_256_CBC_SHA256;
+openssl_suite("AES256-SHA256") ->
+ ?TLS_RSA_WITH_AES_256_CBC_SHA256;
+openssl_suite("DHE-RSA-AES128-SHA256") ->
+ ?TLS_DHE_RSA_WITH_AES_128_CBC_SHA256;
+openssl_suite("DHE-DSS-AES128-SHA256") ->
+ ?TLS_DHE_DSS_WITH_AES_128_CBC_SHA256;
+openssl_suite("AES128-SHA256") ->
+ ?TLS_RSA_WITH_AES_128_CBC_SHA256;
openssl_suite("DHE-RSA-AES256-SHA") ->
?TLS_DHE_RSA_WITH_AES_256_CBC_SHA;
openssl_suite("DHE-DSS-AES256-SHA") ->
@@ -341,8 +408,6 @@ openssl_suite("DHE-DSS-AES128-SHA") ->
?TLS_DHE_DSS_WITH_AES_128_CBC_SHA;
openssl_suite("AES128-SHA") ->
?TLS_RSA_WITH_AES_128_CBC_SHA;
-%%openssl_suite("IDEA-CBC-SHA") ->
-%% ?TLS_RSA_WITH_IDEA_CBC_SHA;
openssl_suite("RC4-SHA") ->
?TLS_RSA_WITH_RC4_128_SHA;
openssl_suite("RC4-MD5") ->
@@ -374,8 +439,6 @@ openssl_suite_name(?TLS_DHE_DSS_WITH_AES_128_CBC_SHA) ->
"DHE-DSS-AES128-SHA";
openssl_suite_name(?TLS_RSA_WITH_AES_128_CBC_SHA) ->
"AES128-SHA";
-%% openssl_suite_name(?TLS_RSA_WITH_IDEA_CBC_SHA) ->
-%% "IDEA-CBC-SHA";
openssl_suite_name(?TLS_RSA_WITH_RC4_128_SHA) ->
"RC4-SHA";
openssl_suite_name(?TLS_RSA_WITH_RC4_128_MD5) ->
@@ -384,6 +447,28 @@ openssl_suite_name(?TLS_DHE_RSA_WITH_DES_CBC_SHA) ->
"EDH-RSA-DES-CBC-SHA";
openssl_suite_name(?TLS_RSA_WITH_DES_CBC_SHA) ->
"DES-CBC-SHA";
+openssl_suite_name(?TLS_RSA_WITH_NULL_SHA256) ->
+ "NULL-SHA256";
+openssl_suite_name(?TLS_RSA_WITH_AES_128_CBC_SHA256) ->
+ "AES128-SHA256";
+openssl_suite_name(?TLS_RSA_WITH_AES_256_CBC_SHA256) ->
+ "AES256-SHA256";
+openssl_suite_name(?TLS_DH_DSS_WITH_AES_128_CBC_SHA256) ->
+ "DH-DSS-AES128-SHA256";
+openssl_suite_name(?TLS_DH_RSA_WITH_AES_128_CBC_SHA256) ->
+ "DH-RSA-AES128-SHA256";
+openssl_suite_name(?TLS_DHE_DSS_WITH_AES_128_CBC_SHA256) ->
+ "DHE-DSS-AES128-SHA256";
+openssl_suite_name(?TLS_DHE_RSA_WITH_AES_128_CBC_SHA256) ->
+ "DHE-RSA-AES128-SHA256";
+openssl_suite_name(?TLS_DH_DSS_WITH_AES_256_CBC_SHA256) ->
+ "DH-DSS-AES256-SHA256";
+openssl_suite_name(?TLS_DH_RSA_WITH_AES_256_CBC_SHA256) ->
+ "DH-RSA-AES256-SHA256";
+openssl_suite_name(?TLS_DHE_DSS_WITH_AES_256_CBC_SHA256) ->
+ "DHE-DSS-AES256-SHA256";
+openssl_suite_name(?TLS_DHE_RSA_WITH_AES_256_CBC_SHA256) ->
+ "DHE-RSA-AES256-SHA256";
%% No oppenssl name
openssl_suite_name(Cipher) ->
suite_definition(Cipher).
@@ -411,9 +496,6 @@ filter(DerCert, Ciphers) ->
bulk_cipher_algorithm(null) ->
?NULL;
-%% Not supported yet
-%% bulk_cipher_algorithm(idea_cbc) ->
-%% ?IDEA;
bulk_cipher_algorithm(rc4_128) ->
?RC4;
bulk_cipher_algorithm(des_cbc) ->
@@ -428,8 +510,7 @@ type(Cipher) when Cipher == null;
Cipher == rc4_128 ->
?STREAM;
-type(Cipher) when Cipher == idea_cbc;
- Cipher == des_cbc;
+type(Cipher) when Cipher == des_cbc;
Cipher == '3des_ede_cbc';
Cipher == aes_128_cbc;
Cipher == aes_256_cbc ->
@@ -437,8 +518,7 @@ type(Cipher) when Cipher == idea_cbc;
key_material(null) ->
0;
-key_material(Cipher) when Cipher == idea_cbc;
- Cipher == rc4_128 ->
+key_material(rc4_128) ->
16;
key_material(des_cbc) ->
8;
@@ -451,8 +531,7 @@ key_material(aes_256_cbc) ->
expanded_key_material(null) ->
0;
-expanded_key_material(Cipher) when Cipher == idea_cbc;
- Cipher == rc4_128 ->
+expanded_key_material(rc4_128) ->
16;
expanded_key_material(Cipher) when Cipher == des_cbc ->
8;
@@ -467,8 +546,7 @@ effective_key_bits(null) ->
0;
effective_key_bits(des_cbc) ->
56;
-effective_key_bits(Cipher) when Cipher == idea_cbc;
- Cipher == rc4_128;
+effective_key_bits(Cipher) when Cipher == rc4_128;
Cipher == aes_128_cbc ->
128;
effective_key_bits('3des_ede_cbc') ->
@@ -482,8 +560,7 @@ iv_size(Cipher) when Cipher == null;
iv_size(Cipher) ->
block_size(Cipher).
-block_size(Cipher) when Cipher == idea_cbc;
- Cipher == des_cbc;
+block_size(Cipher) when Cipher == des_cbc;
Cipher == '3des_ede_cbc' ->
8;
@@ -491,19 +568,51 @@ block_size(Cipher) when Cipher == aes_128_cbc;
Cipher == aes_256_cbc ->
16.
-mac_algorithm(null) ->
- ?NULL;
-mac_algorithm(md5) ->
- ?MD5;
-mac_algorithm(sha) ->
- ?SHA.
+prf_algorithm(default_prf, {3, N}) when N >= 3 ->
+ ?SHA256;
+prf_algorithm(default_prf, {3, _}) ->
+ ?MD5SHA;
+prf_algorithm(Algo, _) ->
+ hash_algorithm(Algo).
+
+hash_algorithm(null) -> ?NULL;
+hash_algorithm(md5) -> ?MD5;
+hash_algorithm(sha) -> ?SHA; %% Only sha always refers to "SHA-1"
+hash_algorithm(sha224) -> ?SHA224;
+hash_algorithm(sha256) -> ?SHA256;
+hash_algorithm(sha384) -> ?SHA384;
+hash_algorithm(sha512) -> ?SHA512;
+hash_algorithm(?NULL) -> null;
+hash_algorithm(?MD5) -> md5;
+hash_algorithm(?SHA) -> sha;
+hash_algorithm(?SHA224) -> sha224;
+hash_algorithm(?SHA256) -> sha256;
+hash_algorithm(?SHA384) -> sha384;
+hash_algorithm(?SHA512) -> sha512.
+
+sign_algorithm(anon) -> ?ANON;
+sign_algorithm(rsa) -> ?RSA;
+sign_algorithm(dsa) -> ?DSA;
+sign_algorithm(ecdsa) -> ?ECDSA;
+sign_algorithm(?ANON) -> anon;
+sign_algorithm(?RSA) -> rsa;
+sign_algorithm(?DSA) -> dsa;
+sign_algorithm(?ECDSA) -> ecdsa.
hash_size(null) ->
0;
hash_size(md5) ->
16;
hash_size(sha) ->
- 20.
+ 20;
+hash_size(sha256) ->
+ 32.
+%% Currently no supported cipher suites defaults to sha384 or sha512
+%% so these clauses are not needed at the moment.
+%% hash_size(sha384) ->
+%% 48;
+%% hash_size(sha512) ->
+%% 64.
%% RFC 5246: 6.2.3.2. CBC Block Cipher
%%
@@ -525,7 +634,8 @@ hash_size(sha) ->
%% We return the original (possibly invalid) PadLength in any case.
%% An invalid PadLength will be caught by is_correct_padding/2
%%
-generic_block_cipher_from_bin(T, HashSize) ->
+generic_block_cipher_from_bin({3, N}, T, IV, HashSize)
+ when N == 0; N == 1 ->
Sz1 = byte_size(T) - 1,
<<_:Sz1/binary, ?BYTE(PadLength0)>> = T,
PadLength = if
@@ -536,7 +646,20 @@ generic_block_cipher_from_bin(T, HashSize) ->
<<Content:CompressedLength/binary, Mac:HashSize/binary,
Padding:PadLength/binary, ?BYTE(PadLength0)>> = T,
#generic_block_cipher{content=Content, mac=Mac,
- padding=Padding, padding_length=PadLength0}.
+ padding=Padding, padding_length=PadLength0,
+ next_iv = IV};
+
+generic_block_cipher_from_bin({3, N}, T, IV, HashSize)
+ when N == 2; N == 3 ->
+ Sz1 = byte_size(T) - 1,
+ <<_:Sz1/binary, ?BYTE(PadLength)>> = T,
+ IVLength = byte_size(IV),
+ CompressedLength = byte_size(T) - IVLength - PadLength - 1 - HashSize,
+ <<NextIV:IVLength/binary, Content:CompressedLength/binary, Mac:HashSize/binary,
+ Padding:PadLength/binary, ?BYTE(PadLength)>> = T,
+ #generic_block_cipher{content=Content, mac=Mac,
+ padding=Padding, padding_length=PadLength,
+ next_iv = NextIV}.
generic_stream_cipher_from_bin(T, HashSz) ->
Sz = byte_size(T),
@@ -567,6 +690,10 @@ get_padding_aux(BlockSize, PadLength) ->
N = BlockSize - PadLength,
{N, list_to_binary(lists:duplicate(N, N))}.
+random_iv(IV) ->
+ IVSz = byte_size(IV),
+ ssl:random_bytes(IVSz).
+
next_iv(Bin, IV) ->
BinSz = byte_size(Bin),
IVSz = byte_size(IV),
@@ -578,16 +705,19 @@ rsa_signed_suites() ->
dhe_rsa_suites() ++ rsa_suites().
dhe_rsa_suites() ->
- [?TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
+ [?TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
+ ?TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
?TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA,
+ ?TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
?TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
?TLS_DHE_RSA_WITH_DES_CBC_SHA].
rsa_suites() ->
- [?TLS_RSA_WITH_AES_256_CBC_SHA,
+ [?TLS_RSA_WITH_AES_256_CBC_SHA256,
+ ?TLS_RSA_WITH_AES_256_CBC_SHA,
?TLS_RSA_WITH_3DES_EDE_CBC_SHA,
+ ?TLS_RSA_WITH_AES_128_CBC_SHA256,
?TLS_RSA_WITH_AES_128_CBC_SHA,
- %%?TLS_RSA_WITH_IDEA_CBC_SHA,
?TLS_RSA_WITH_RC4_128_SHA,
?TLS_RSA_WITH_RC4_128_MD5,
?TLS_RSA_WITH_DES_CBC_SHA].
@@ -596,8 +726,10 @@ dsa_signed_suites() ->
dhe_dss_suites().
dhe_dss_suites() ->
- [?TLS_DHE_DSS_WITH_AES_256_CBC_SHA,
+ [?TLS_DHE_DSS_WITH_AES_256_CBC_SHA256,
+ ?TLS_DHE_DSS_WITH_AES_256_CBC_SHA,
?TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA,
+ ?TLS_DHE_DSS_WITH_AES_128_CBC_SHA256,
?TLS_DHE_DSS_WITH_AES_128_CBC_SHA,
?TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA].
diff --git a/lib/ssl/src/ssl_cipher.hrl b/lib/ssl/src/ssl_cipher.hrl
index 8bd68cc190..0f439f8ed5 100644
--- a/lib/ssl/src/ssl_cipher.hrl
+++ b/lib/ssl/src/ssl_cipher.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2012. 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
@@ -28,8 +28,9 @@
-type cipher() :: null |rc4_128 | idea_cbc | des40_cbc | des_cbc | '3des_ede_cbc'
| aes_128_cbc | aes_256_cbc.
--type hash() :: null | sha | md5.
+-type hash() :: null | sha | md5 | sha256 | sha384 | sha512.
-type erl_cipher_suite() :: {key_algo(), cipher(), hash()}.
+-type int_cipher_suite() :: {key_algo(), cipher(), hash(), hash()}.
-type cipher_suite() :: binary().
-type cipher_enum() :: integer().
-type openssl_cipher_suite() :: string().
@@ -177,6 +178,47 @@
%% TLS_DH_anon_WITH_AES_256_CBC_SHA = { 0x00, 0x3A };
-define(TLS_DH_anon_WITH_AES_256_CBC_SHA, <<?BYTE(16#00), ?BYTE(16#3A)>>).
+%%% TLS 1.2 Cipher Suites RFC 5246
+
+%% TLS_RSA_WITH_NULL_SHA256 = { 0x00,0x3B };
+-define(TLS_RSA_WITH_NULL_SHA256, <<?BYTE(16#00), ?BYTE(16#3B)>>).
+
+%% TLS_RSA_WITH_AES_128_CBC_SHA256 = { 0x00,0x3C };
+-define(TLS_RSA_WITH_AES_128_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#3C)>>).
+
+%% TLS_RSA_WITH_AES_256_CBC_SHA256 = { 0x00,0x3D };
+-define(TLS_RSA_WITH_AES_256_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#3D)>>).
+
+%% TLS_DH_DSS_WITH_AES_128_CBC_SHA256 = { 0x00,0x3E };
+-define(TLS_DH_DSS_WITH_AES_128_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#3E)>>).
+
+%% TLS_DH_RSA_WITH_AES_128_CBC_SHA256 = { 0x00,0x3F };
+-define(TLS_DH_RSA_WITH_AES_128_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#3F)>>).
+
+%% TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 = { 0x00,0x40 };
+-define(TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#40)>>).
+
+%% TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = { 0x00,0x67 };
+-define(TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#67)>>).
+
+%% TLS_DH_DSS_WITH_AES_256_CBC_SHA256 = { 0x00,0x68 };
+-define(TLS_DH_DSS_WITH_AES_256_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#68)>>).
+
+%% TLS_DH_RSA_WITH_AES_256_CBC_SHA256 = { 0x00,0x69 };
+-define(TLS_DH_RSA_WITH_AES_256_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#69)>>).
+
+%% TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 = { 0x00,0x6A };
+-define(TLS_DHE_DSS_WITH_AES_256_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#6A)>>).
+
+%% TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = { 0x00,0x6B };
+-define(TLS_DHE_RSA_WITH_AES_256_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#6B)>>).
+
+%% TLS_DH_anon_WITH_AES_128_CBC_SHA256 = { 0x00,0x6C };
+-define(TLS_DH_anon_WITH_AES_128_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#6C)>>).
+
+%% TLS_DH_anon_WITH_AES_256_CBC_SHA256 = { 0x00,0x6D };
+-define(TLS_DH_anon_WITH_AES_256_CBC_SHA256, <<?BYTE(16#00), ?BYTE(16#6D)>>).
+
%%% Kerberos Cipher Suites
%% TLS_KRB5_WITH_DES_CBC_SHA = { 0x00,0x1E };
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index c57930e821..23f22987df 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -41,7 +41,7 @@
socket_control/3, close/1, shutdown/2,
new_user/2, get_opts/2, set_opts/2, info/1, session_info/1,
peer_certificate/1, sockname/1, peername/1, renegotiation/1,
- prf/5]).
+ negotiated_next_protocol/1, prf/5]).
%% Called by ssl_connection_sup
-export([start_link/7]).
@@ -67,8 +67,7 @@
tls_packets = [], % Not yet handled decode ssl/tls packets.
tls_record_buffer, % binary() buffer of incomplete records
tls_handshake_buffer, % binary() buffer of incomplete handshakes
- %% {{md5_hash, sha_hash}, {prev_md5, prev_sha}} (binary())
- tls_handshake_hashes, % see above
+ tls_handshake_history, % tls_handshake_history()
tls_cipher_texts, % list() received but not deciphered yet
cert_db, %
session, % #session{} from ssl_handshake.hrl
@@ -78,6 +77,7 @@
supported_protocol_versions, % [atom()]
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
@@ -92,7 +92,9 @@
start_or_recv_from, % "gen_fsm From"
send_queue, % queue()
terminated = false, %
- allow_renegotiate = true
+ allow_renegotiate = true,
+ expecting_next_protocol_negotiation = false :: boolean(),
+ next_protocol = undefined :: undefined | binary()
}).
-define(DEFAULT_DIFFIE_HELLMAN_PARAMS,
@@ -221,6 +223,13 @@ new_user(ConnectionPid, User) ->
sockname(ConnectionPid) ->
sync_send_all_state_event(ConnectionPid, sockname).
%%--------------------------------------------------------------------
+-spec negotiated_next_protocol(pid()) -> {ok, binary()} | {error, reason()}.
+%%
+%% Description: Returns the negotiated protocol
+%%--------------------------------------------------------------------
+negotiated_next_protocol(ConnectionPid) ->
+ sync_send_all_state_event(ConnectionPid, negotiated_next_protocol).
+%%--------------------------------------------------------------------
-spec peername(pid()) -> {ok, {inet:ip_address(), inet:port_number()}} | {error, reason()}.
%%
%% Description: Same as inet:peername/1
@@ -301,12 +310,13 @@ start_link(Role, Host, Port, Socket, Options, User, CbInfo) ->
init([Role, Host, Port, Socket, {SSLOpts0, _} = Options, User, CbInfo]) ->
State0 = initial_state(Role, Host, Port, Socket, Options, User, CbInfo),
- Hashes0 = ssl_handshake:init_hashes(),
+ Handshake = ssl_handshake:init_handshake_history(),
TimeStamp = calendar:datetime_to_gregorian_seconds({date(), time()}),
try ssl_init(SSLOpts0, Role) of
{ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, OwnCert, Key, DHParams} ->
Session = State0#state.session,
- State = State0#state{tls_handshake_hashes = Hashes0,
+ State = State0#state{
+ tls_handshake_history = Handshake,
session = Session#session{own_certificate = OwnCert,
time_stamp = TimeStamp},
file_ref_db = FileRefHandle,
@@ -344,15 +354,15 @@ hello(start, #state{host = Host, port = Port, role = client,
Cache, CacheCb, Renegotiation, Cert),
Version = Hello#client_hello.client_version,
- Hashes0 = ssl_handshake:init_hashes(),
- {BinMsg, ConnectionStates, Hashes} =
- encode_handshake(Hello, Version, ConnectionStates0, Hashes0),
+ Handshake0 = ssl_handshake:init_handshake_history(),
+ {BinMsg, ConnectionStates, Handshake} =
+ encode_handshake(Hello, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
State1 = State0#state{connection_states = ConnectionStates,
- negotiated_version = Version, %% Requested version at this point
+ negotiated_version = Version, %% Requested version
session =
Session0#session{session_id = Hello#client_hello.session_id},
- tls_handshake_hashes = Hashes},
+ tls_handshake_history = Handshake},
{Record, State} = next_record(State1),
next_state(hello, hello, Record, State);
@@ -373,30 +383,41 @@ hello(#server_hello{cipher_suite = CipherSuite,
renegotiation = {Renegotiation, _},
ssl_options = SslOptions} = State0) ->
case ssl_handshake:hello(Hello, SslOptions, ConnectionStates0, Renegotiation) of
- {Version, NewId, ConnectionStates} ->
- {KeyAlgorithm, _, _} =
+ #alert{} = Alert ->
+ handle_own_alert(Alert, ReqVersion, hello, State0),
+ {stop, normal, 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},
-
+ 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;
- #alert{} = Alert ->
- handle_own_alert(Alert, ReqVersion, hello, State0),
- {stop, normal, State0}
+ handle_resumed_session(NewId, State#state{connection_states = ConnectionStates})
+ end
end;
-hello(Hello = #client_hello{client_version = ClientVersion},
+hello(Hello = #client_hello{client_version = ClientVersion},
State = #state{connection_states = ConnectionStates0,
port = Port, session = #session{own_certificate = Cert} = Session0,
renegotiation = {Renegotiation, _},
@@ -405,8 +426,8 @@ hello(Hello = #client_hello{client_version = ClientVersion},
ssl_options = SslOpts}) ->
case ssl_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb,
ConnectionStates0, Cert}, Renegotiation) of
- {Version, {Type, Session}, ConnectionStates} ->
- do_server_hello(Type, State#state{connection_states =
+ {Version, {Type, Session}, ConnectionStates, ProtocolsToAdvertise} ->
+ do_server_hello(Type, ProtocolsToAdvertise, State#state{connection_states =
ConnectionStates,
negotiated_version = Version,
session = Session});
@@ -431,12 +452,13 @@ abbreviated(#hello_request{}, State0) ->
abbreviated(#finished{verify_data = Data} = Finished,
#state{role = server,
negotiated_version = Version,
- tls_handshake_hashes = Hashes,
+ tls_handshake_history = Handshake,
session = #session{master_secret = MasterSecret},
connection_states = ConnectionStates0} =
State) ->
case ssl_handshake:verify_connection(Version, Finished, client,
- MasterSecret, Hashes) of
+ get_current_connection_state_prf(ConnectionStates0, write),
+ MasterSecret, Handshake) of
verified ->
ConnectionStates = ssl_record:set_client_verify_data(current_both, Data, ConnectionStates0),
next_state_connection(abbreviated,
@@ -447,18 +469,19 @@ abbreviated(#finished{verify_data = Data} = Finished,
end;
abbreviated(#finished{verify_data = Data} = Finished,
- #state{role = client, tls_handshake_hashes = Hashes0,
+ #state{role = client, tls_handshake_history = Handshake0,
session = #session{master_secret = MasterSecret},
negotiated_version = Version,
connection_states = ConnectionStates0} = State) ->
case ssl_handshake:verify_connection(Version, Finished, server,
- MasterSecret, Hashes0) of
+ get_pending_connection_state_prf(ConnectionStates0, write),
+ MasterSecret, Handshake0) of
verified ->
ConnectionStates1 = ssl_record:set_server_verify_data(current_read, Data, ConnectionStates0),
- {ConnectionStates, Hashes} =
+ {ConnectionStates, Handshake} =
finalize_handshake(State#state{connection_states = ConnectionStates1}, abbreviated),
next_state_connection(abbreviated,
- ack_connection(State#state{tls_handshake_hashes = Hashes,
+ ack_connection(State#state{tls_handshake_history = Handshake,
connection_states =
ConnectionStates}));
#alert{} = Alert ->
@@ -589,6 +612,7 @@ certify(#client_key_exchange{exchange_keys = Keys},
{stop, normal, State}
end;
+
certify(timeout, State) ->
{ next_state, certify, State, hibernate };
@@ -636,15 +660,20 @@ cipher(#hello_request{}, State0) ->
{Record, State} = next_record(State0),
next_state(cipher, hello, Record, State);
-cipher(#certificate_verify{signature = Signature},
+cipher(#certificate_verify{signature = Signature, hashsign_algorithm = CertHashSign},
#state{role = server,
public_key_info = PublicKeyInfo,
negotiated_version = Version,
session = #session{master_secret = MasterSecret},
- tls_handshake_hashes = Hashes
+ hashsign_algorithm = ConnectionHashSign,
+ tls_handshake_history = Handshake
} = State0) ->
+ HashSign = case CertHashSign of
+ {_, _} -> CertHashSign;
+ _ -> ConnectionHashSign
+ end,
case ssl_handshake:certificate_verify(Signature, PublicKeyInfo,
- Version, MasterSecret, Hashes) of
+ Version, HashSign, MasterSecret, Handshake) of
valid ->
{Record, State} = next_record(State0),
next_state(cipher, cipher, Record, State);
@@ -653,6 +682,12 @@ cipher(#certificate_verify{signature = Signature},
{stop, normal, State0}
end;
+% client must send a next protocol message if we are expecting it
+cipher(#finished{}, #state{role = server, expecting_next_protocol_negotiation = true,
+ next_protocol = undefined, negotiated_version = Version} = State0) ->
+ handle_own_alert(?ALERT_REC(?FATAL,?UNEXPECTED_MESSAGE), Version, cipher, State0),
+ {stop, normal, State0};
+
cipher(#finished{verify_data = Data} = Finished,
#state{negotiated_version = Version,
host = Host,
@@ -660,10 +695,12 @@ cipher(#finished{verify_data = Data} = Finished,
role = Role,
session = #session{master_secret = MasterSecret}
= Session0,
- tls_handshake_hashes = Hashes0} = State) ->
+ connection_states = ConnectionStates0,
+ tls_handshake_history = Handshake0} = State) ->
case ssl_handshake:verify_connection(Version, Finished,
opposite_role(Role),
- MasterSecret, Hashes0) of
+ get_current_connection_state_prf(ConnectionStates0, read),
+ MasterSecret, Handshake0) of
verified ->
Session = register_session(Role, Host, Port, Session0),
cipher_role(Role, Data, Session, State);
@@ -672,6 +709,13 @@ cipher(#finished{verify_data = Data} = Finished,
{stop, normal, State}
end;
+% only allowed to send next_protocol message after change cipher spec
+% & before finished message and it is not allowed during renegotiation
+cipher(#next_protocol{selected_protocol = SelectedProtocol},
+ #state{role = server, expecting_next_protocol_negotiation = true} = State0) ->
+ {Record, State} = next_record(State0#state{next_protocol = SelectedProtocol}),
+ next_state(cipher, cipher, Record, State);
+
cipher(timeout, State) ->
{ next_state, cipher, State, hibernate };
@@ -691,17 +735,17 @@ connection(#hello_request{}, #state{host = Host, port = Port,
transport_cb = Transport,
connection_states = ConnectionStates0,
renegotiation = {Renegotiation, _},
- tls_handshake_hashes = Hashes0} = State0) ->
+ tls_handshake_history = Handshake0} = State0) ->
Hello = ssl_handshake:client_hello(Host, Port, ConnectionStates0, SslOpts,
Cache, CacheCb, Renegotiation, Cert),
- {BinMsg, ConnectionStates, Hashes} =
- encode_handshake(Hello, Version, ConnectionStates0, Hashes0),
+ {BinMsg, ConnectionStates, Handshake} =
+ encode_handshake(Hello, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
{Record, State} = next_record(State0#state{connection_states =
- ConnectionStates,
+ ConnectionStates,
session = Session0#session{session_id = Hello#client_hello.session_id},
- tls_handshake_hashes = Hashes}),
+ tls_handshake_history = Handshake}),
next_state(connection, hello, Record, State);
connection(#client_hello{} = Hello, #state{role = server, allow_renegotiate = true} = State) ->
%% Mitigate Computational DoS attack
@@ -831,6 +875,10 @@ handle_sync_event(sockname, _From, StateName,
SockNameReply = inet:sockname(Socket),
{reply, SockNameReply, StateName, State, get_timeout(State)};
+handle_sync_event(negotiated_next_protocol, _From, StateName, #state{next_protocol = undefined} = State) ->
+ {reply, {error, next_protocol_not_negotiated}, StateName, State, get_timeout(State)};
+handle_sync_event(negotiated_next_protocol, _From, StateName, #state{next_protocol = NextProtocol} = State) ->
+ {reply, {ok, NextProtocol}, StateName, State, get_timeout(State)};
handle_sync_event(peername, _From, StateName,
#state{socket = Socket} = State) ->
PeerNameReply = inet:peername(Socket),
@@ -908,14 +956,14 @@ handle_sync_event(info, _, StateName,
session = #session{cipher_suite = Suite}} = State) ->
AtomVersion = ssl_record:protocol_version(Version),
- {reply, {ok, {AtomVersion, ssl_cipher:suite_definition(Suite)}},
+ {reply, {ok, {AtomVersion, ssl:suite_definition(Suite)}},
StateName, State, get_timeout(State)};
handle_sync_event(session_info, _, StateName,
#state{session = #session{session_id = Id,
cipher_suite = Suite}} = State) ->
{reply, [{session_id, Id},
- {cipher_suite, ssl_cipher:suite_definition(Suite)}],
+ {cipher_suite, ssl:suite_definition(Suite)}],
StateName, State, get_timeout(State)};
handle_sync_event(peer_certificate, _, StateName,
@@ -1224,13 +1272,13 @@ certify_client(#state{client_certificate_requested = true, role = client,
cert_db_ref = CertDbRef,
session = #session{own_certificate = OwnCert},
socket = Socket,
- tls_handshake_hashes = Hashes0} = State) ->
+ tls_handshake_history = Handshake0} = State) ->
Certificate = ssl_handshake:certificate(OwnCert, CertDbHandle, CertDbRef, client),
- {BinCert, ConnectionStates, Hashes} =
- encode_handshake(Certificate, Version, ConnectionStates0, Hashes0),
+ {BinCert, ConnectionStates, Handshake} =
+ encode_handshake(Certificate, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinCert),
State#state{connection_states = ConnectionStates,
- tls_handshake_hashes = Hashes};
+ tls_handshake_history = Handshake};
certify_client(#state{client_certificate_requested = false} = State) ->
State.
@@ -1242,17 +1290,19 @@ verify_client_cert(#state{client_certificate_requested = true, role = client,
private_key = PrivateKey,
session = #session{master_secret = MasterSecret,
own_certificate = OwnCert},
- tls_handshake_hashes = Hashes0} = State) ->
+ hashsign_algorithm = HashSign,
+ tls_handshake_history = Handshake0} = State) ->
+ %%TODO: for TLS 1.2 we can choose a different/stronger HashSign combination for this.
case ssl_handshake:client_certificate_verify(OwnCert, MasterSecret,
- Version, PrivateKey, Hashes0) of
+ Version, HashSign, PrivateKey, Handshake0) of
#certificate_verify{} = Verified ->
- {BinVerified, ConnectionStates, Hashes} =
+ {BinVerified, ConnectionStates, Handshake} =
encode_handshake(Verified, Version,
- ConnectionStates0, Hashes0),
+ ConnectionStates0, Handshake0),
Transport:send(Socket, BinVerified),
State#state{connection_states = ConnectionStates,
- tls_handshake_hashes = Hashes};
+ tls_handshake_history = Handshake};
ignore ->
State;
#alert{} = Alert ->
@@ -1261,17 +1311,18 @@ verify_client_cert(#state{client_certificate_requested = true, role = client,
verify_client_cert(#state{client_certificate_requested = false} = State) ->
State.
-do_server_hello(Type, #state{negotiated_version = Version,
- session = #session{session_id = SessId},
- connection_states = ConnectionStates0,
- renegotiation = {Renegotiation, _}}
- = State0) when is_atom(Type) ->
+do_server_hello(Type, NextProtocolsToSend, #state{negotiated_version = Version,
+ session = #session{session_id = SessId},
+ connection_states = ConnectionStates0,
+ renegotiation = {Renegotiation, _}}
+ = State0) when is_atom(Type) ->
ServerHello =
ssl_handshake:server_hello(SessId, Version,
- ConnectionStates0, Renegotiation),
- State = server_hello(ServerHello, State0),
-
+ ConnectionStates0, Renegotiation, NextProtocolsToSend),
+ State = server_hello(ServerHello,
+ State0#state{expecting_next_protocol_negotiation =
+ NextProtocolsToSend =/= undefined}),
case Type of
new ->
new_server_hello(ServerHello, State);
@@ -1308,11 +1359,11 @@ resumed_server_hello(#state{session = Session,
{_, ConnectionStates1} ->
State1 = State0#state{connection_states = ConnectionStates1,
session = Session},
- {ConnectionStates, Hashes} =
+ {ConnectionStates, Handshake} =
finalize_handshake(State1, abbreviated),
State2 = State1#state{connection_states =
ConnectionStates,
- tls_handshake_hashes = Hashes},
+ tls_handshake_history = Handshake},
{Record, State} = next_record(State2),
next_state(hello, abbreviated, Record, State);
#alert{} = Alert ->
@@ -1351,11 +1402,11 @@ client_certify_and_key_exchange(#state{negotiated_version = Version} =
State0) ->
try do_client_certify_and_key_exchange(State0) of
State1 = #state{} ->
- {ConnectionStates, Hashes} = finalize_handshake(State1, certify),
+ {ConnectionStates, Handshake} = finalize_handshake(State1, certify),
State2 = State1#state{connection_states = ConnectionStates,
%% Reinitialize
client_certificate_requested = false,
- tls_handshake_hashes = Hashes},
+ tls_handshake_history = Handshake},
{Record, State} = next_record(State2),
next_state(certify, cipher, Record, State)
catch
@@ -1378,29 +1429,30 @@ server_hello(ServerHello, #state{transport_cb = Transport,
socket = Socket,
negotiated_version = Version,
connection_states = ConnectionStates0,
- tls_handshake_hashes = Hashes0} = State) ->
+ tls_handshake_history = Handshake0} = State) ->
CipherSuite = ServerHello#server_hello.cipher_suite,
- {KeyAlgorithm, _, _} = ssl_cipher:suite_definition(CipherSuite),
- {BinMsg, ConnectionStates1, Hashes1} =
- encode_handshake(ServerHello, Version, ConnectionStates0, Hashes0),
+ {KeyAlgorithm, _, _, _} = ssl_cipher:suite_definition(CipherSuite),
+ {BinMsg, ConnectionStates1, Handshake1} =
+ encode_handshake(ServerHello, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
State#state{connection_states = ConnectionStates1,
- tls_handshake_hashes = Hashes1,
- key_algorithm = KeyAlgorithm}.
+ tls_handshake_history = Handshake1,
+ key_algorithm = KeyAlgorithm,
+ hashsign_algorithm = default_hashsign(Version, KeyAlgorithm)}.
server_hello_done(#state{transport_cb = Transport,
socket = Socket,
negotiated_version = Version,
connection_states = ConnectionStates0,
- tls_handshake_hashes = Hashes0} = State) ->
+ tls_handshake_history = Handshake0} = State) ->
HelloDone = ssl_handshake:server_hello_done(),
- {BinHelloDone, ConnectionStates, Hashes} =
- encode_handshake(HelloDone, Version, ConnectionStates0, Hashes0),
+ {BinHelloDone, ConnectionStates, Handshake} =
+ encode_handshake(HelloDone, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinHelloDone),
State#state{connection_states = ConnectionStates,
- tls_handshake_hashes = Hashes}.
+ tls_handshake_history = Handshake}.
certify_server(#state{key_algorithm = dh_anon} = State) ->
State;
@@ -1409,17 +1461,17 @@ certify_server(#state{transport_cb = Transport,
socket = Socket,
negotiated_version = Version,
connection_states = ConnectionStates0,
- tls_handshake_hashes = Hashes0,
+ tls_handshake_history = Handshake0,
cert_db = CertDbHandle,
cert_db_ref = CertDbRef,
session = #session{own_certificate = OwnCert}} = State) ->
case ssl_handshake:certificate(OwnCert, CertDbHandle, CertDbRef, server) of
CertMsg = #certificate{} ->
- {BinCertMsg, ConnectionStates, Hashes} =
- encode_handshake(CertMsg, Version, ConnectionStates0, Hashes0),
+ {BinCertMsg, ConnectionStates, Handshake} =
+ encode_handshake(CertMsg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinCertMsg),
State#state{connection_states = ConnectionStates,
- tls_handshake_hashes = Hashes
+ tls_handshake_history = Handshake
};
Alert = #alert{} ->
throw(Alert)
@@ -1428,11 +1480,12 @@ certify_server(#state{transport_cb = Transport,
key_exchange(#state{role = server, key_algorithm = rsa} = State) ->
State;
key_exchange(#state{role = server, key_algorithm = Algo,
+ hashsign_algorithm = HashSignAlgo,
diffie_hellman_params = #'DHParameter'{prime = P, base = G} = Params,
private_key = PrivateKey,
connection_states = ConnectionStates0,
negotiated_version = Version,
- tls_handshake_hashes = Hashes0,
+ tls_handshake_history = Handshake0,
socket = Socket,
transport_cb = Transport
} = State)
@@ -1445,16 +1498,16 @@ key_exchange(#state{role = server, key_algorithm = Algo,
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Msg = ssl_handshake:key_exchange(server, {dh, Keys, Params,
- Algo, ClientRandom,
+ Msg = ssl_handshake:key_exchange(server, Version, {dh, Keys, Params,
+ HashSignAlgo, ClientRandom,
ServerRandom,
PrivateKey}),
- {BinMsg, ConnectionStates, Hashes} =
- encode_handshake(Msg, Version, ConnectionStates0, Hashes0),
+ {BinMsg, ConnectionStates, Handshake} =
+ encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
State#state{connection_states = ConnectionStates,
diffie_hellman_keys = Keys,
- tls_handshake_hashes = Hashes};
+ tls_handshake_history = Handshake};
key_exchange(#state{role = client,
connection_states = ConnectionStates0,
@@ -1463,67 +1516,93 @@ key_exchange(#state{role = client,
negotiated_version = Version,
premaster_secret = PremasterSecret,
socket = Socket, transport_cb = Transport,
- tls_handshake_hashes = Hashes0} = State) ->
- Msg = rsa_key_exchange(PremasterSecret, PublicKeyInfo),
- {BinMsg, ConnectionStates, Hashes} =
- encode_handshake(Msg, Version, ConnectionStates0, Hashes0),
+ tls_handshake_history = Handshake0} = State) ->
+ Msg = rsa_key_exchange(Version, PremasterSecret, PublicKeyInfo),
+ {BinMsg, ConnectionStates, Handshake} =
+ encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
State#state{connection_states = ConnectionStates,
- tls_handshake_hashes = Hashes};
+ tls_handshake_history = Handshake};
key_exchange(#state{role = client,
connection_states = ConnectionStates0,
key_algorithm = Algorithm,
negotiated_version = Version,
diffie_hellman_keys = {DhPubKey, _},
socket = Socket, transport_cb = Transport,
- tls_handshake_hashes = Hashes0} = State)
+ tls_handshake_history = Handshake0} = State)
when Algorithm == dhe_dss;
Algorithm == dhe_rsa;
Algorithm == dh_anon ->
- Msg = ssl_handshake:key_exchange(client, {dh, DhPubKey}),
- {BinMsg, ConnectionStates, Hashes} =
- encode_handshake(Msg, Version, ConnectionStates0, Hashes0),
+ Msg = ssl_handshake:key_exchange(client, Version, {dh, DhPubKey}),
+ {BinMsg, ConnectionStates, Handshake} =
+ encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
State#state{connection_states = ConnectionStates,
- tls_handshake_hashes = Hashes}.
+ tls_handshake_history = Handshake}.
-rsa_key_exchange(PremasterSecret, PublicKeyInfo = {Algorithm, _, _})
+rsa_key_exchange(Version, PremasterSecret, PublicKeyInfo = {Algorithm, _, _})
when Algorithm == ?rsaEncryption;
Algorithm == ?md2WithRSAEncryption;
Algorithm == ?md5WithRSAEncryption;
- Algorithm == ?sha1WithRSAEncryption ->
- ssl_handshake:key_exchange(client,
+ Algorithm == ?sha1WithRSAEncryption;
+ Algorithm == ?sha224WithRSAEncryption;
+ Algorithm == ?sha256WithRSAEncryption;
+ Algorithm == ?sha384WithRSAEncryption;
+ Algorithm == ?sha512WithRSAEncryption
+ ->
+ ssl_handshake:key_exchange(client, Version,
{premaster_secret, PremasterSecret,
PublicKeyInfo});
-rsa_key_exchange(_, _) ->
+rsa_key_exchange(_, _, _) ->
throw (?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE)).
request_client_cert(#state{ssl_options = #ssl_options{verify = verify_peer},
connection_states = ConnectionStates0,
cert_db = CertDbHandle,
cert_db_ref = CertDbRef,
- tls_handshake_hashes = Hashes0,
+ tls_handshake_history = Handshake0,
negotiated_version = Version,
socket = Socket,
transport_cb = Transport} = State) ->
Msg = ssl_handshake:certificate_request(ConnectionStates0, CertDbHandle, CertDbRef),
- {BinMsg, ConnectionStates, Hashes} =
- encode_handshake(Msg, Version, ConnectionStates0, Hashes0),
+ {BinMsg, ConnectionStates, Handshake} =
+ encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
State#state{client_certificate_requested = true,
connection_states = ConnectionStates,
- tls_handshake_hashes = Hashes};
+ tls_handshake_history = Handshake};
request_client_cert(#state{ssl_options = #ssl_options{verify = verify_none}} =
State) ->
State.
finalize_handshake(State, StateName) ->
- ConnectionStates0 = cipher_protocol(State),
+ ConnectionStates0 = cipher_protocol(State),
+
ConnectionStates =
ssl_record:activate_pending_connection_state(ConnectionStates0,
write),
- finished(State#state{connection_states = ConnectionStates}, StateName).
-
+
+ State1 = State#state{connection_states = ConnectionStates},
+ State2 = next_protocol(State1),
+ finished(State2, StateName).
+
+next_protocol(#state{role = server} = State) ->
+ State;
+next_protocol(#state{next_protocol = undefined} = State) ->
+ State;
+next_protocol(#state{expecting_next_protocol_negotiation = false} = State) ->
+ State;
+next_protocol(#state{transport_cb = Transport, socket = Socket,
+ negotiated_version = Version,
+ next_protocol = NextProtocol,
+ connection_states = ConnectionStates0,
+ tls_handshake_history = Handshake0} = State) ->
+ NextProtocolMessage = ssl_handshake:next_protocol(NextProtocol),
+ {BinMsg, ConnectionStates, Handshake} = encode_handshake(NextProtocolMessage, Version, ConnectionStates0, Handshake0),
+ Transport:send(Socket, BinMsg),
+ State#state{connection_states = ConnectionStates,
+ tls_handshake_history = Handshake}.
+
cipher_protocol(#state{connection_states = ConnectionStates0,
socket = Socket,
negotiated_version = Version,
@@ -1538,14 +1617,16 @@ finished(#state{role = Role, socket = Socket, negotiated_version = Version,
transport_cb = Transport,
session = Session,
connection_states = ConnectionStates0,
- tls_handshake_hashes = Hashes0}, StateName) ->
+ tls_handshake_history = Handshake0}, StateName) ->
MasterSecret = Session#session.master_secret,
- Finished = ssl_handshake:finished(Version, Role, MasterSecret, Hashes0),
+ Finished = ssl_handshake:finished(Version, Role,
+ get_current_connection_state_prf(ConnectionStates0, write),
+ MasterSecret, Handshake0),
ConnectionStates1 = save_verify_data(Role, Finished, ConnectionStates0, StateName),
- {BinFinished, ConnectionStates, Hashes} =
- encode_handshake(Finished, Version, ConnectionStates1, Hashes0),
+ {BinFinished, ConnectionStates, Handshake} =
+ encode_handshake(Finished, Version, ConnectionStates1, Handshake0),
Transport:send(Socket, BinFinished),
- {ConnectionStates, Hashes}.
+ {ConnectionStates, Handshake}.
save_verify_data(client, #finished{verify_data = Data}, ConnectionStates, certify) ->
ssl_record:set_client_verify_data(current_write, Data, ConnectionStates);
@@ -1569,36 +1650,41 @@ handle_server_key(
#server_dh_params{dh_p = P,
dh_g = G,
dh_y = ServerPublicDhKey},
- signed_params = Signed},
- #state{public_key_info = PubKeyInfo,
- key_algorithm = KeyAlgo,
+ signed_params = Signed,
+ hashsign = HashSign},
+ #state{negotiated_version = Version,
+ public_key_info = PubKeyInfo,
connection_states = ConnectionStates} = State) ->
PLen = size(P),
GLen = size(G),
YLen = size(ServerPublicDhKey),
+ HashAlgo = connection_hash_algo(HashSign, State),
ConnectionState =
ssl_record:pending_connection_state(ConnectionStates, read),
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Hash = ssl_handshake:server_key_exchange_hash(KeyAlgo,
+ Hash = ssl_handshake:server_key_exchange_hash(HashAlgo,
<<ClientRandom/binary,
ServerRandom/binary,
?UINT16(PLen), P/binary,
?UINT16(GLen), G/binary,
?UINT16(YLen),
ServerPublicDhKey/binary>>),
-
- case verify_dh_params(Signed, Hash, PubKeyInfo) of
+
+ case verify_dh_params(Version, Signed, Hash, HashAlgo, PubKeyInfo) of
true ->
dh_master_secret(P, G, ServerPublicDhKey, undefined, State);
false ->
?ALERT_REC(?FATAL, ?DECRYPT_ERROR)
end.
-verify_dh_params(Signed, Hashes, {?rsaEncryption, PubKey, _PubKeyParams}) ->
+verify_dh_params({3, Minor}, Signed, Hashes, HashAlgo, {?rsaEncryption, PubKey, _PubKeyParams})
+ when Minor >= 3 ->
+ public_key:verify({digest, Hashes}, HashAlgo, Signed, PubKey);
+verify_dh_params(_Version, Signed, Hashes, _HashAlgo, {?rsaEncryption, PubKey, _PubKeyParams}) ->
case public_key:decrypt_public(Signed, PubKey,
[{rsa_pad, rsa_pkcs1_padding}]) of
Hashes ->
@@ -1606,8 +1692,8 @@ verify_dh_params(Signed, Hashes, {?rsaEncryption, PubKey, _PubKeyParams}) ->
_ ->
false
end;
-verify_dh_params(Signed, Hash, {?'id-dsa', PublicKey, PublicKeyParams}) ->
- public_key:verify(Hash, none, Signed, {PublicKey, PublicKeyParams}).
+verify_dh_params(_Version, Signed, Hash, HashAlgo, {?'id-dsa', PublicKey, PublicKeyParams}) ->
+ public_key:verify({digest, Hash}, HashAlgo, Signed, {PublicKey, PublicKeyParams}).
dh_master_secret(Prime, Base, PublicDhKey, undefined, State) ->
PMpint = mpint_binary(Prime),
@@ -1641,26 +1727,26 @@ cipher_role(client, Data, Session, #state{connection_states = ConnectionStates0}
cipher_role(server, Data, Session, #state{connection_states = ConnectionStates0} = State) ->
ConnectionStates1 = ssl_record:set_client_verify_data(current_read, Data, ConnectionStates0),
- {ConnectionStates, Hashes} =
+ {ConnectionStates, Handshake} =
finalize_handshake(State#state{connection_states = ConnectionStates1,
session = Session}, cipher),
next_state_connection(cipher, ack_connection(State#state{connection_states =
ConnectionStates,
session = Session,
- tls_handshake_hashes =
- Hashes})).
+ tls_handshake_history =
+ Handshake})).
encode_alert(#alert{} = Alert, Version, ConnectionStates) ->
ssl_record:encode_alert_record(Alert, Version, ConnectionStates).
encode_change_cipher(#change_cipher_spec{}, Version, ConnectionStates) ->
ssl_record:encode_change_cipher_spec(Version, ConnectionStates).
-encode_handshake(HandshakeRec, Version, ConnectionStates0, Hashes0) ->
+encode_handshake(HandshakeRec, Version, ConnectionStates0, Handshake0) ->
Frag = ssl_handshake:encode_handshake(HandshakeRec, Version),
- Hashes1 = ssl_handshake:update_hashes(Hashes0, Frag),
+ Handshake1 = ssl_handshake:update_handshake_history(Handshake0, Frag),
{E, ConnectionStates1} =
ssl_record:encode_handshake(Frag, Version, ConnectionStates0),
- {E, ConnectionStates1, Hashes1}.
+ {E, ConnectionStates1, Handshake1}.
encode_packet(Data, #socket_options{packet=Packet}) ->
case Packet of
@@ -1857,7 +1943,7 @@ format_reply(list, _,_, Data) ->
binary_to_list(Data).
header(0, <<>>) ->
- <<>>;
+ [];
header(_, <<>>) ->
[];
header(0, Binary) ->
@@ -1913,25 +1999,26 @@ next_state(Current, Next, #ssl_tls{type = ?HANDSHAKE, fragment = Data},
fun({#hello_request{} = Packet, _}, {next_state, connection = SName, State}) ->
%% This message should not be included in handshake
%% message hashes. Starts new handshake (renegotiation)
- Hs0 = ssl_handshake:init_hashes(),
- ?MODULE:SName(Packet, State#state{tls_handshake_hashes=Hs0,
+ Hs0 = ssl_handshake:init_handshake_history(),
+ ?MODULE:SName(Packet, State#state{tls_handshake_history=Hs0,
renegotiation = {true, peer}});
({#hello_request{} = Packet, _}, {next_state, SName, State}) ->
%% This message should not be included in handshake
%% message hashes. Already in negotiation so it will be ignored!
?MODULE:SName(Packet, State);
({#client_hello{} = Packet, Raw}, {next_state, connection = SName, State}) ->
- Hs0 = ssl_handshake:init_hashes(),
- Hs1 = ssl_handshake:update_hashes(Hs0, Raw),
- ?MODULE:SName(Packet, State#state{tls_handshake_hashes=Hs1,
+ Version = Packet#client_hello.client_version,
+ Hs0 = ssl_handshake:init_handshake_history(),
+ Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw),
+ ?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1,
renegotiation = {true, peer}});
- ({Packet, Raw}, {next_state, SName, State = #state{tls_handshake_hashes=Hs0}}) ->
- Hs1 = ssl_handshake:update_hashes(Hs0, Raw),
- ?MODULE:SName(Packet, State#state{tls_handshake_hashes=Hs1});
+ ({Packet, Raw}, {next_state, SName, State = #state{tls_handshake_history=Hs0}}) ->
+ Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw),
+ ?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1});
(_, StopState) -> StopState
end,
try
- {Packets, Buf} = ssl_handshake:get_tls_handshake(Data,Buf0),
+ {Packets, Buf} = ssl_handshake:get_tls_handshake(Version,Data,Buf0),
State = State0#state{tls_packets = Packets, tls_handshake_buffer = Buf},
handle_tls_handshake(Handle, Next, State)
catch throw:#alert{} = Alert ->
@@ -2011,7 +2098,7 @@ next_state_connection(StateName, #state{send_queue = Queue0,
next_state_is_connection(StateName, State)
end.
-%% In next_state_is_connection/1: clear tls_handshake_hashes,
+%% In next_state_is_connection/1: clear tls_handshake,
%% premaster_secret and public_key_info (only needed during handshake)
%% to reduce memory foot print of a connection.
next_state_is_connection(_, State =
@@ -2020,13 +2107,13 @@ next_state_is_connection(_, State =
#socket_options{active = false}}) when RecvFrom =/= undefined ->
passive_receive(State#state{premaster_secret = undefined,
public_key_info = undefined,
- tls_handshake_hashes = {<<>>, <<>>}}, connection);
+ tls_handshake_history = ssl_handshake:init_handshake_history()}, connection);
next_state_is_connection(StateName, State0) ->
{Record, State} = next_record_if_active(State0),
next_state(StateName, connection, Record, State#state{premaster_secret = undefined,
- public_key_info = undefined,
- tls_handshake_hashes = {<<>>, <<>>}}).
+ public_key_info = undefined,
+ tls_handshake_history = ssl_handshake:init_handshake_history()}).
register_session(client, Host, Port, #session{is_resumable = new} = Session0) ->
Session = Session0#session{is_resumable = true},
@@ -2280,7 +2367,7 @@ handle_unexpected_message(Msg, Info, #state{negotiated_version = Version} = Stat
{stop, normal, State}.
make_premaster_secret({MajVer, MinVer}, rsa) ->
- Rand = crypto:rand_bytes(?NUM_OF_PREMASTERSECRET_BYTES-2),
+ Rand = ssl:random_bytes(?NUM_OF_PREMASTERSECRET_BYTES-2),
<<?BYTE(MajVer), ?BYTE(MinVer), Rand/binary>>;
make_premaster_secret(_, _) ->
undefined.
@@ -2307,8 +2394,8 @@ ack_connection(State) ->
renegotiate(#state{role = client} = State) ->
%% Handle same way as if server requested
%% the renegotiation
- Hs0 = ssl_handshake:init_hashes(),
- connection(#hello_request{}, State#state{tls_handshake_hashes = Hs0});
+ Hs0 = ssl_handshake:init_handshake_history(),
+ connection(#hello_request{}, State#state{tls_handshake_history = Hs0});
renegotiate(#state{role = server,
socket = Socket,
transport_cb = Transport,
@@ -2316,13 +2403,13 @@ renegotiate(#state{role = server,
connection_states = ConnectionStates0} = State0) ->
HelloRequest = ssl_handshake:hello_request(),
Frag = ssl_handshake:encode_handshake(HelloRequest, Version),
- Hs0 = ssl_handshake:init_hashes(),
+ Hs0 = ssl_handshake:init_handshake_history(),
{BinMsg, ConnectionStates} =
ssl_record:encode_handshake(Frag, Version, ConnectionStates0),
Transport:send(Socket, BinMsg),
{Record, State} = next_record(State0#state{connection_states =
ConnectionStates,
- tls_handshake_hashes = Hs0}),
+ tls_handshake_history = Hs0}),
next_state(connection, hello, Record, State#state{allow_renegotiate = true}).
notify_senders(SendQueue) ->
@@ -2392,3 +2479,48 @@ handle_trusted_certs_db(#state{cert_db_ref = Ref,
_ ->
ok
end.
+
+get_current_connection_state_prf(CStates, Direction) ->
+ CS = ssl_record:current_connection_state(CStates, Direction),
+ CS#connection_state.security_parameters#security_parameters.prf_algorithm.
+get_pending_connection_state_prf(CStates, Direction) ->
+ CS = ssl_record:pending_connection_state(CStates, Direction),
+ CS#connection_state.security_parameters#security_parameters.prf_algorithm.
+
+connection_hash_algo({HashAlgo, _}, _State) ->
+ HashAlgo;
+connection_hash_algo(_, #state{hashsign_algorithm = {HashAlgo, _}}) ->
+ HashAlgo.
+
+%% RFC 5246, Sect. 7.4.1.4.1. Signature Algorithms
+%% If the client does not send the signature_algorithms extension, the
+%% server MUST do the following:
+%%
+%% - If the negotiated key exchange algorithm is one of (RSA, DHE_RSA,
+%% DH_RSA, RSA_PSK, ECDH_RSA, ECDHE_RSA), behave as if client had
+%% sent the value {sha1,rsa}.
+%%
+%% - If the negotiated key exchange algorithm is one of (DHE_DSS,
+%% DH_DSS), behave as if the client had sent the value {sha1,dsa}.
+%%
+%% - If the negotiated key exchange algorithm is one of (ECDH_ECDSA,
+%% ECDHE_ECDSA), behave as if the client had sent value {sha1,ecdsa}.
+
+default_hashsign(_Version = {Major, Minor}, KeyExchange)
+ when Major == 3 andalso Minor >= 3 andalso
+ (KeyExchange == rsa orelse
+ KeyExchange == dhe_rsa orelse
+ KeyExchange == dh_rsa) ->
+ {sha, rsa};
+default_hashsign(_Version, KeyExchange)
+ when KeyExchange == rsa;
+ KeyExchange == dhe_rsa;
+ KeyExchange == dh_rsa ->
+ {md5sha, rsa};
+default_hashsign(_Version, KeyExchange)
+ when KeyExchange == dhe_dss;
+ KeyExchange == dh_dss ->
+ {sha, dsa};
+default_hashsign(_Version, KeyExchange)
+ when KeyExchange == dh_anon ->
+ {null, anon}.
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index 06d45966c1..fa1784714f 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -30,21 +30,21 @@
-include("ssl_internal.hrl").
-include_lib("public_key/include/public_key.hrl").
--export([master_secret/4, client_hello/8, server_hello/4, hello/4,
+-export([master_secret/4, client_hello/8, server_hello/5, hello/4,
hello_request/0, certify/7, certificate/4,
- client_certificate_verify/5, certificate_verify/5,
- certificate_request/3, key_exchange/2, server_key_exchange_hash/2,
- finished/4, verify_connection/5, get_tls_handshake/2,
+ client_certificate_verify/6, certificate_verify/6,
+ certificate_request/3, key_exchange/3, server_key_exchange_hash/2,
+ finished/5, verify_connection/6, get_tls_handshake/3,
decode_client_key/3, server_hello_done/0,
- encode_handshake/2, init_hashes/0, update_hashes/2,
- decrypt_premaster_secret/2, prf/5]).
+ encode_handshake/2, init_handshake_history/0, update_handshake_history/2,
+ decrypt_premaster_secret/2, prf/5, next_protocol/1]).
-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{}.
+ #hello_request{} | #next_protocol{}.
%%====================================================================
%% Internal application API
@@ -77,17 +77,31 @@ client_hello(Host, Port, ConnectionStates,
cipher_suites = cipher_suites(Ciphers, Renegotiation),
compression_methods = ssl_record:compressions(),
random = SecParams#security_parameters.client_random,
+
renegotiation_info =
- renegotiation_info(client, ConnectionStates, Renegotiation)
+ renegotiation_info(client, ConnectionStates, Renegotiation),
+ hash_signs = default_hash_signs(),
+ next_protocol_negotiation =
+ encode_client_protocol_negotiation(SslOpts#ssl_options.next_protocol_selector, Renegotiation)
}.
+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()) -> #server_hello{}.
+ boolean(), [binary()] | undefined) -> #server_hello{}.
%%
%% Description: Creates a server hello message.
%%--------------------------------------------------------------------
-server_hello(SessionId, Version, ConnectionStates, Renegotiation) ->
+server_hello(SessionId, Version, ConnectionStates, Renegotiation, ProtocolsAdvertisedOnServer) ->
Pending = ssl_record:pending_connection_state(ConnectionStates, read),
SecParams = Pending#connection_state.security_parameters,
#server_hello{server_version = Version,
@@ -97,7 +111,8 @@ server_hello(SessionId, Version, ConnectionStates, Renegotiation) ->
random = SecParams#security_parameters.server_random,
session_id = SessionId,
renegotiation_info =
- renegotiation_info(server, ConnectionStates, Renegotiation)
+ renegotiation_info(server, ConnectionStates, Renegotiation),
+ next_protocol_negotiation = encode_protocols_advertised_on_server(ProtocolsAdvertisedOnServer)
}.
%%--------------------------------------------------------------------
@@ -112,28 +127,35 @@ 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{}}|
- {tls_version(), {resumed | new, #session{}},
- #connection_states{}} | #alert{}.
+ atom(), #connection_states{}, binary()},
+ boolean()) ->
+ {tls_version(), session_id(), #connection_states{}, binary() | undefined}|
+ {tls_version(), {resumed | new, #session{}}, #connection_states{}, list(binary()) | 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},
- #ssl_options{secure_renegotiate = SecureRenegotation},
+ session_id = SessionId, renegotiation_info = Info,
+ hash_signs = _HashSigns} = Hello,
+ #ssl_options{secure_renegotiate = SecureRenegotation, next_protocol_selector = NextProtocolSelector},
ConnectionStates0, Renegotiation) ->
-
+ %%TODO: select hash and signature algorigthm
case ssl_record:is_acceptable_version(Version) of
true ->
case handle_renegotiation_info(client, Info, ConnectionStates0,
Renegotiation, SecureRenegotation, []) of
{ok, ConnectionStates1} ->
ConnectionStates =
- hello_pending_connection_states(client, CipherSuite, Random,
+ hello_pending_connection_states(client, Version, CipherSuite, Random,
Compression, ConnectionStates1),
- {Version, SessionId, ConnectionStates};
+ case handle_next_protocol(Hello, NextProtocolSelector, Renegotiation) of
+ #alert{} = Alert ->
+ Alert;
+ Protocol ->
+ {Version, SessionId, ConnectionStates, Protocol}
+ end;
#alert{} = Alert ->
Alert
end;
@@ -144,9 +166,10 @@ hello(#server_hello{cipher_suite = CipherSuite, server_version = Version,
hello(#client_hello{client_version = ClientVersion, random = Random,
cipher_suites = CipherSuites,
renegotiation_info = Info} = Hello,
- #ssl_options{versions = Versions,
+ #ssl_options{versions = Versions,
secure_renegotiate = SecureRenegotation} = SslOpts,
{Port, Session0, Cache, CacheCb, ConnectionStates0, Cert}, Renegotiation) ->
+%% TODO: select hash and signature algorithm
Version = select_version(ClientVersion, Versions),
case ssl_record:is_acceptable_version(Version) of
true ->
@@ -164,11 +187,17 @@ hello(#client_hello{client_version = ClientVersion, random = Random,
{ok, ConnectionStates1} ->
ConnectionStates =
hello_pending_connection_states(server,
+ Version,
CipherSuite,
Random,
Compression,
ConnectionStates1),
- {Version, {Type, Session}, ConnectionStates};
+ case handle_next_protocol_on_server(Hello, Renegotiation, SslOpts) of
+ #alert{} = Alert ->
+ Alert;
+ ProtocolsToAdvertise ->
+ {Version, {Type, Session}, ConnectionStates, ProtocolsToAdvertise}
+ end;
#alert{} = Alert ->
Alert
end
@@ -215,18 +244,23 @@ certify(#certificate{asn1_certificates = ASN1Certs}, CertDbHandle, CertDbRef,
end, {Role, UserState0}}
end,
- {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)
+ 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.
%%--------------------------------------------------------------------
@@ -257,54 +291,51 @@ certificate(OwnCert, CertDbHandle, CertDbRef, server) ->
%%--------------------------------------------------------------------
-spec client_certificate_verify(undefined | der_cert(), binary(),
- tls_version(), private_key(),
- {{binary(), binary()},{binary(), 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, _, _, _, _) ->
+client_certificate_verify(undefined, _, _, _, _, _) ->
ignore;
-client_certificate_verify(_, _, _, undefined, _) ->
+client_certificate_verify(_, _, _, _, undefined, _) ->
ignore;
client_certificate_verify(OwnCert, MasterSecret, Version,
- PrivateKey, {Hashes0, _}) ->
+ {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, MasterSecret,
- alg_oid(PrivateKey), Hashes0),
- Signed = digitally_signed(Hashes, PrivateKey),
- #certificate_verify{signature = Signed}
+ 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_verify(binary(), public_key_info(), tls_version(),
- binary(), {_, {binary(), binary()}}) -> valid | #alert{}.
+-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, {?'rsaEncryption'= Algorithm, PublicKey, _}, Version,
- MasterSecret, {_, Hashes0}) ->
- Hashes = calc_certificate_verify(Version, MasterSecret,
- Algorithm, Hashes0),
- case public_key:decrypt_public(Signature, PublicKey,
- [{rsa_pad, rsa_pkcs1_padding}]) of
- Hashes ->
+certificate_verify(Signature, {?'rsaEncryption', PublicKey, _}, Version,
+ {HashAlgo, _SignAlgo}, MasterSecret, {_, Handshake}) ->
+ Hashes = calc_certificate_verify(Version, HashAlgo, MasterSecret, Handshake),
+ case certificate_verify_rsa(Hashes, HashAlgo, Signature, PublicKey, Version) of
+ true ->
valid;
_ ->
?ALERT_REC(?FATAL, ?BAD_CERTIFICATE)
end;
-certificate_verify(Signature, {?'id-dsa' = Algorithm, PublicKey, PublicKeyParams}, Version,
- MasterSecret, {_, Hashes0}) ->
- Hashes = calc_certificate_verify(Version, MasterSecret,
- Algorithm, Hashes0),
- case public_key:verify(Hashes, none, Signature, {PublicKey, PublicKeyParams}) of
- true ->
- valid;
- false ->
+certificate_verify(Signature, {?'id-dsa', PublicKey, PublicKeyParams}, Version,
+ {HashAlgo, _SignAlgo}, MasterSecret, {_, Handshake}) ->
+ Hashes = calc_certificate_verify(Version, HashAlgo, MasterSecret, Handshake),
+ case public_key:verify({digest, Hashes}, sha, Signature, {PublicKey, PublicKeyParams}) of
+ true ->
+ valid;
+ false ->
?ALERT_REC(?FATAL, ?BAD_CERTIFICATE)
end.
@@ -320,36 +351,38 @@ certificate_request(ConnectionStates, CertDbHandle, CertDbRef) ->
#security_parameters{cipher_suite = CipherSuite}} =
ssl_record:pending_connection_state(ConnectionStates, read),
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,
+-spec key_exchange(client | server, tls_version(),
{premaster_secret, binary(), public_key_info()} |
{dh, binary()} |
- {dh, {binary(), binary()}, #'DHParameter'{}, key_algo(),
+ {dh, {binary(), binary()}, #'DHParameter'{}, {HashAlgo::atom(), SignAlgo::atom()},
binary(), binary(), private_key()}) ->
#client_key_exchange{} | #server_key_exchange{}.
%%
%% Description: Creates a keyexchange message.
%%--------------------------------------------------------------------
-key_exchange(client, {premaster_secret, Secret, {_, PublicKey, _}}) ->
+key_exchange(client, _Version, {premaster_secret, Secret, {_, PublicKey, _}}) ->
EncPremasterSecret =
encrypted_premaster_secret(Secret, PublicKey),
#client_key_exchange{exchange_keys = EncPremasterSecret};
-key_exchange(client, {dh, <<?UINT32(Len), PublicKey:Len/binary>>}) ->
+key_exchange(client, _Version, {dh, <<?UINT32(Len), PublicKey:Len/binary>>}) ->
#client_key_exchange{
exchange_keys = #client_diffie_hellman_public{
dh_public = PublicKey}
};
-key_exchange(server, {dh, {<<?UINT32(Len), PublicKey:Len/binary>>, _},
+key_exchange(server, Version, {dh, {<<?UINT32(Len), PublicKey:Len/binary>>, _},
#'DHParameter'{prime = P, base = G},
- KeyAlgo, ClientRandom, ServerRandom, PrivateKey}) ->
+ {HashAlgo, SignAlgo}, ClientRandom, ServerRandom, PrivateKey}) ->
<<?UINT32(_), PBin/binary>> = crypto:mpint(P),
<<?UINT32(_), GBin/binary>> = crypto:mpint(G),
PLen = byte_size(PBin),
@@ -358,20 +391,22 @@ key_exchange(server, {dh, {<<?UINT32(Len), PublicKey:Len/binary>>, _},
ServerDHParams = #server_dh_params{dh_p = PBin,
dh_g = GBin, dh_y = PublicKey},
- case KeyAlgo of
- dh_anon ->
+ case HashAlgo of
+ null ->
#server_key_exchange{params = ServerDHParams,
- signed_params = <<>>};
+ signed_params = <<>>,
+ hashsign = {null, anon}};
_ ->
Hash =
- server_key_exchange_hash(KeyAlgo, <<ClientRandom/binary,
+ server_key_exchange_hash(HashAlgo, <<ClientRandom/binary,
ServerRandom/binary,
?UINT16(PLen), PBin/binary,
?UINT16(GLen), GBin/binary,
?UINT16(YLen), PublicKey/binary>>),
- Signed = digitally_signed(Hash, PrivateKey),
+ Signed = digitally_signed(Version, Hash, HashAlgo, PrivateKey),
#server_key_exchange{params = ServerDHParams,
- signed_params = Signed}
+ signed_params = Signed,
+ hashsign = {HashAlgo, SignAlgo}}
end.
%%--------------------------------------------------------------------
@@ -401,10 +436,11 @@ master_secret(Version, PremasterSecret, ConnectionStates, Role) ->
ConnectionState =
ssl_record:pending_connection_state(ConnectionStates, read),
SecParams = ConnectionState#connection_state.security_parameters,
- #security_parameters{client_random = ClientRandom,
+ #security_parameters{prf_algorithm = PrfAlgo,
+ client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
try master_secret(Version,
- calc_master_secret(Version,PremasterSecret,
+ calc_master_secret(Version,PrfAlgo,PremasterSecret,
ClientRandom, ServerRandom),
SecParams, ConnectionStates, Role)
catch
@@ -415,27 +451,32 @@ master_secret(Version, PremasterSecret, ConnectionStates, Role) ->
?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, binary(), {{binary(), binary()},_}) ->
+-spec finished(tls_version(), client | server, integer(), binary(), tls_handshake_history()) ->
#finished{}.
%%
%% Description: Creates a handshake finished message
%%-------------------------------------------------------------------
-finished(Version, Role, MasterSecret, {Hashes, _}) -> % use the current hashes
+finished(Version, Role, PrfAlgo, MasterSecret, {Handshake, _}) -> % use the current handshake
#finished{verify_data =
- calc_finished(Version, Role, MasterSecret, Hashes)}.
+ calc_finished(Version, Role, PrfAlgo, MasterSecret, Handshake)}.
%%--------------------------------------------------------------------
--spec verify_connection(tls_version(), #finished{}, client | server, binary(),
- {_, {binary(), binary()}}) -> verified | #alert{}.
+-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, MasterSecret, {_, {MD5, SHA}}) ->
+ Role, PrfAlgo, MasterSecret, {_, Handshake}) ->
%% use the previous hashes
- case calc_finished(Version, Role, MasterSecret, {MD5, SHA}) of
+ case calc_finished(Version, Role, PrfAlgo, MasterSecret, Handshake) of
Data ->
verified;
_ ->
@@ -460,17 +501,17 @@ encode_handshake(Package, Version) ->
[MsgType, ?uint24(Len), Bin].
%%--------------------------------------------------------------------
--spec get_tls_handshake(binary(), binary() | iolist()) ->
+-spec get_tls_handshake(tls_version(), binary(), binary() | iolist()) ->
{[tls_handshake()], binary()}.
%%
%% Description: Given buffered and new data from ssl_record, collects
%% and returns it as a list of handshake messages, also returns leftover
%% data.
%%--------------------------------------------------------------------
-get_tls_handshake(Data, <<>>) ->
- get_tls_handshake_aux(Data, []);
-get_tls_handshake(Data, Buffer) ->
- get_tls_handshake_aux(list_to_binary([Buffer, Data]), []).
+get_tls_handshake(Version, Data, <<>>) ->
+ get_tls_handshake_aux(Version, Data, []);
+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()) ->
@@ -482,39 +523,34 @@ decode_client_key(ClientKey, Type, Version) ->
dec_client_key(ClientKey, key_exchange_alg(Type), Version).
%%--------------------------------------------------------------------
--spec init_hashes() ->{{binary(), binary()}, {binary(), binary()}}.
+-spec init_handshake_history() -> tls_handshake_history().
%%
-%% Description: Calls crypto hash (md5 and sha) init functions to
-%% initalize the hash context.
+%% Description: Initialize the empty handshake history buffer.
%%--------------------------------------------------------------------
-init_hashes() ->
- T = {crypto:md5_init(), crypto:sha_init()},
- {T, T}.
+init_handshake_history() ->
+ {[], []}.
%%--------------------------------------------------------------------
--spec update_hashes({{binary(), binary()}, {binary(), binary()}}, Data ::term()) ->
- {{binary(), binary()}, {binary(), binary()}}.
+-spec update_handshake_history(tls_handshake_history(), Data ::term()) ->
+ tls_handshake_history().
%%
-%% Description: Calls crypto hash (md5 and sha) update functions to
-%% update the hash context with Data.
+%% Description: Update the handshake history buffer with Data.
%%--------------------------------------------------------------------
-update_hashes(Hashes, % special-case SSL2 client hello
- <<?CLIENT_HELLO, ?UINT24(_), ?BYTE(Major), ?BYTE(Minor),
- ?UINT16(CSLength), ?UINT16(0),
- ?UINT16(CDLength),
- CipherSuites:CSLength/binary,
- ChallengeData:CDLength/binary>>) ->
- update_hashes(Hashes,
- <<?CLIENT_HELLO, ?BYTE(Major), ?BYTE(Minor),
- ?UINT16(CSLength), ?UINT16(0),
- ?UINT16(CDLength),
- CipherSuites:CSLength/binary,
- ChallengeData:CDLength/binary>>);
-update_hashes({{MD50, SHA0}, _Prev}, Data) ->
- {MD51, SHA1} = {crypto:md5_update(MD50, Data),
- crypto:sha_update(SHA0, Data)},
- {{MD51, SHA1}, {MD50, SHA0}}.
+update_handshake_history(Handshake, % special-case SSL2 client hello
+ <<?CLIENT_HELLO, ?UINT24(_), ?BYTE(Major), ?BYTE(Minor),
+ ?UINT16(CSLength), ?UINT16(0),
+ ?UINT16(CDLength),
+ CipherSuites:CSLength/binary,
+ ChallengeData:CDLength/binary>>) ->
+ update_handshake_history(Handshake,
+ <<?CLIENT_HELLO, ?BYTE(Major), ?BYTE(Minor),
+ ?UINT16(CSLength), ?UINT16(0),
+ ?UINT16(CDLength),
+ CipherSuites:CSLength/binary,
+ ChallengeData:CDLength/binary>>);
+update_handshake_history({Handshake0, _Prev}, Data) ->
+ {[Data|Handshake0], Handshake0}.
%%--------------------------------------------------------------------
-spec decrypt_premaster_secret(binary(), #'RSAPrivateKey'{}) -> binary().
@@ -527,23 +563,22 @@ decrypt_premaster_secret(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(rsa | dhe_rsa| dhe_dss | dh_anon, binary()) -> binary().
-
+-spec server_key_exchange_hash(md5sha | md5 | sha | sha224 |sha256 | sha384 | sha512, binary()) -> binary().
%%
%% Description: Calculate server key exchange hash
%%--------------------------------------------------------------------
-server_key_exchange_hash(Algorithm, Value) when Algorithm == rsa;
- Algorithm == dhe_rsa ->
+server_key_exchange_hash(md5sha, Value) ->
MD5 = crypto:md5(Value),
- SHA = crypto:sha(Value),
+ SHA = crypto:sha(Value),
<<MD5/binary, SHA/binary>>;
-server_key_exchange_hash(dhe_dss, Value) ->
- crypto:sha(Value).
+server_key_exchange_hash(Hash, Value) ->
+ crypto:hash(Hash, Value).
%%--------------------------------------------------------------------
-spec prf(tls_version(), binary(), binary(), [binary()], non_neg_integer()) ->
@@ -553,19 +588,20 @@ server_key_exchange_hash(dhe_dss, Value) ->
%%--------------------------------------------------------------------
prf({3,0}, _, _, _, _) ->
{error, undefined};
-prf({3,N}, Secret, Label, Seed, WantedLength)
- when N == 1; N == 2 ->
- {ok, ssl_tls1:prf(Secret, Label, Seed, WantedLength)}.
+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)}.
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
-get_tls_handshake_aux(<<?BYTE(Type), ?UINT24(Length),
+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(Type, Body),
- get_tls_handshake_aux(Rest, [{H,Raw} | Acc]);
-get_tls_handshake_aux(Data, Acc) ->
+ H = dec_hs(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}) ->
@@ -653,6 +689,57 @@ renegotiation_info(server, ConnectionStates, true) ->
#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.
+
handle_renegotiation_info(_, #renegotiation_info{renegotiated_connection = ?byte(0)},
ConnectionStates, false, _, _) ->
{ok, ssl_record:set_renegotiation_flag(true, ConnectionStates)};
@@ -722,7 +809,7 @@ handle_renegotiation_info(ConnectionStates, SecureRenegotation) ->
%% hello messages
%% NOTE : Role is the role of the receiver of the hello message
%% currently being processed.
-hello_pending_connection_states(Role, CipherSuite, Random, Compression,
+hello_pending_connection_states(Role, Version, CipherSuite, Random, Compression,
ConnectionStates) ->
ReadState =
ssl_record:pending_connection_state(ConnectionStates, read),
@@ -730,30 +817,30 @@ hello_pending_connection_states(Role, CipherSuite, Random, Compression,
ssl_record:pending_connection_state(ConnectionStates, write),
NewReadSecParams =
- hello_security_parameters(Role, ReadState, CipherSuite,
+ hello_security_parameters(Role, Version, ReadState, CipherSuite,
Random, Compression),
NewWriteSecParams =
- hello_security_parameters(Role, WriteState, CipherSuite,
+ hello_security_parameters(Role, Version, WriteState, CipherSuite,
Random, Compression),
ssl_record:update_security_params(NewReadSecParams,
NewWriteSecParams,
ConnectionStates).
-hello_security_parameters(client, ConnectionState, CipherSuite, Random,
+hello_security_parameters(client, Version, ConnectionState, CipherSuite, Random,
Compression) ->
SecParams = ConnectionState#connection_state.security_parameters,
- NewSecParams = ssl_cipher:security_parameters(CipherSuite, SecParams),
+ NewSecParams = ssl_cipher:security_parameters(Version, CipherSuite, SecParams),
NewSecParams#security_parameters{
server_random = Random,
compression_algorithm = Compression
};
-hello_security_parameters(server, ConnectionState, CipherSuite, Random,
+hello_security_parameters(server, Version, ConnectionState, CipherSuite, Random,
Compression) ->
SecParams = ConnectionState#connection_state.security_parameters,
- NewSecParams = ssl_cipher:security_parameters(CipherSuite, SecParams),
+ NewSecParams = ssl_cipher:security_parameters(Version, CipherSuite, SecParams),
NewSecParams#security_parameters{
client_random = Random,
compression_algorithm = Compression
@@ -787,13 +874,14 @@ 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, MasterSecret, ServerRandom,
+ setup_keys(Version, PrfAlgo, MasterSecret, ServerRandom,
ClientRandom, HashSize, KML, EKML, IVS),
ConnStates1 = ssl_record:set_master_secret(MasterSecret, ConnectionStates),
@@ -808,17 +896,21 @@ master_secret(Version, MasterSecret, #security_parameters{
ServerCipherState, Role)}.
-dec_hs(?HELLO_REQUEST, <<>>) ->
+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(?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor),
- ?UINT16(CSLength), ?UINT16(0),
- ?UINT16(CDLength),
- CipherSuites:CSLength/binary,
- ChallengeData:CDLength/binary>>) ->
+dec_hs(_Version, ?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor),
+ ?UINT16(CSLength), ?UINT16(0),
+ ?UINT16(CDLength),
+ CipherSuites:CSLength/binary,
+ ChallengeData:CDLength/binary>>) ->
#client_hello{client_version = {Major, Minor},
random = ssl_ssl2:client_random(ChallengeData, CDLength),
session_id = 0,
@@ -826,24 +918,29 @@ dec_hs(?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor),
compression_methods = [?NULL],
renegotiation_info = undefined
};
-dec_hs(?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
+dec_hs(_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>>) ->
-
- RenegotiationInfo = proplists:get_value(renegotiation_info, dec_hello_extensions(Extensions),
- undefined),
- #client_hello{
- client_version = {Major,Minor},
- random = Random,
- session_id = Session_ID,
- cipher_suites = from_2bytes(CipherSuites),
- compression_methods = Comp_methods,
- renegotiation_info = RenegotiationInfo
- };
-dec_hs(?SERVER_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
+ DecodedExtensions = dec_hello_extensions(Extensions),
+ RenegotiationInfo = proplists:get_value(renegotiation_info, DecodedExtensions, undefined),
+ HashSigns = proplists:get_value(hash_signs, DecodedExtensions, undefined),
+ NextProtocolNegotiation = proplists:get_value(next_protocol_negotiation, DecodedExtensions, undefined),
+
+ #client_hello{
+ client_version = {Major,Minor},
+ random = Random,
+ session_id = Session_ID,
+ cipher_suites = from_2bytes(CipherSuites),
+ compression_methods = Comp_methods,
+ renegotiation_info = RenegotiationInfo,
+ hash_signs = HashSigns,
+ next_protocol_negotiation = NextProtocolNegotiation
+ };
+
+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{
@@ -852,53 +949,84 @@ dec_hs(?SERVER_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
session_id = Session_ID,
cipher_suite = Cipher_suite,
compression_method = Comp_method,
- renegotiation_info = undefined};
+ renegotiation_info = undefined,
+ hash_signs = undefined};
-dec_hs(?SERVER_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
+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),
+ Cipher_suite:2/binary, ?BYTE(Comp_method),
?UINT16(ExtLen), Extensions:ExtLen/binary>>) ->
- RenegotiationInfo = proplists:get_value(renegotiation_info, dec_hello_extensions(Extensions, []),
- undefined),
+ HelloExtensions = dec_hello_extensions(Extensions, []),
+ RenegotiationInfo = proplists:get_value(renegotiation_info, HelloExtensions,
+ undefined),
+ HashSigns = proplists:get_value(hash_signs, 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};
-dec_hs(?CERTIFICATE, <<?UINT24(ACLen), ASN1Certs:ACLen/binary>>) ->
+ renegotiation_info = RenegotiationInfo,
+ hash_signs = HashSigns,
+ next_protocol_negotiation = NextProtocolNegotiation};
+dec_hs(_Version, ?CERTIFICATE, <<?UINT24(ACLen), ASN1Certs:ACLen/binary>>) ->
#certificate{asn1_certificates = certs_to_list(ASN1Certs)};
-dec_hs(?SERVER_KEY_EXCHANGE, <<?UINT16(PLen), P:PLen/binary,
+dec_hs(_Version, ?SERVER_KEY_EXCHANGE, <<?UINT16(PLen), P:PLen/binary,
?UINT16(GLen), G:GLen/binary,
?UINT16(YLen), Y:YLen/binary,
?UINT16(0)>>) -> %% May happen if key_algorithm is dh_anon
#server_key_exchange{params = #server_dh_params{dh_p = P,dh_g = G,
dh_y = Y},
- signed_params = <<>>};
-dec_hs(?SERVER_KEY_EXCHANGE, <<?UINT16(PLen), P:PLen/binary,
+ signed_params = <<>>, hashsign = {null, anon}};
+dec_hs({Major, Minor}, ?SERVER_KEY_EXCHANGE, <<?UINT16(PLen), P:PLen/binary,
+ ?UINT16(GLen), G:GLen/binary,
+ ?UINT16(YLen), Y:YLen/binary,
+ ?BYTE(HashAlgo), ?BYTE(SignAlgo),
+ ?UINT16(Len), Sig:Len/binary>>)
+ when Major == 3, Minor >= 3 ->
+ #server_key_exchange{params = #server_dh_params{dh_p = P,dh_g = G,
+ dh_y = Y},
+ signed_params = Sig,
+ hashsign = {ssl_cipher:hash_algorithm(HashAlgo), ssl_cipher:sign_algorithm(SignAlgo)}};
+dec_hs(_Version, ?SERVER_KEY_EXCHANGE, <<?UINT16(PLen), P:PLen/binary,
?UINT16(GLen), G:GLen/binary,
?UINT16(YLen), Y:YLen/binary,
?UINT16(Len), Sig:Len/binary>>) ->
#server_key_exchange{params = #server_dh_params{dh_p = P,dh_g = G,
dh_y = Y},
- signed_params = Sig};
-dec_hs(?CERTIFICATE_REQUEST,
+ signed_params = Sig, hashsign = undefined};
+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(?SERVER_HELLO_DONE, <<>>) ->
+dec_hs(_Version, ?SERVER_HELLO_DONE, <<>>) ->
#server_hello_done{};
-dec_hs(?CERTIFICATE_VERIFY,<<?UINT16(_), Signature/binary>>)->
+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(?CLIENT_KEY_EXCHANGE, PKEPMS) ->
+dec_hs(_Version, ?CLIENT_KEY_EXCHANGE, PKEPMS) ->
#client_key_exchange{exchange_keys = PKEPMS};
-dec_hs(?FINISHED, VerifyData) ->
+dec_hs(_Version, ?FINISHED, VerifyData) ->
#finished{verify_data = VerifyData};
-dec_hs(_, _) ->
+dec_hs(_, _, _) ->
throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE)).
dec_client_key(PKEPMS, ?KEY_EXCHANGE_RSA, {3, 0}) ->
@@ -920,6 +1048,9 @@ 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
@@ -932,8 +1063,18 @@ dec_hello_extensions(<<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), Info:Len/binar
dec_hello_extensions(Rest, [{renegotiation_info,
#renegotiation_info{renegotiated_connection = RenegotiateInfo}} | 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]);
+
%% 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.
@@ -966,6 +1107,11 @@ certs_from_list(ACList) ->
<<?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) ->
{?HELLO_REQUEST, <<>>};
enc_hs(#client_hello{client_version = {Major, Minor},
@@ -973,15 +1119,22 @@ enc_hs(#client_hello{client_version = {Major, Minor},
session_id = SessionID,
cipher_suites = CipherSuites,
compression_methods = CompMethods,
- renegotiation_info = RenegotiationInfo}, _Version) ->
+ renegotiation_info = RenegotiationInfo,
+ hash_signs = HashSigns,
+ next_protocol_negotiation = NextProtocolNegotiation}, _Version) ->
SIDLength = byte_size(SessionID),
BinCompMethods = list_to_binary(CompMethods),
CmLength = byte_size(BinCompMethods),
BinCipherSuites = list_to_binary(CipherSuites),
CsLength = byte_size(BinCipherSuites),
- Extensions = hello_extensions(RenegotiationInfo),
- ExtensionsBin = enc_hello_extensions(Extensions),
- {?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
+ Extensions0 = hello_extensions(RenegotiationInfo, NextProtocolNegotiation),
+ Extensions1 = if
+ Major == 3, Minor >=3 -> Extensions0 ++ hello_extensions(HashSigns);
+ true -> Extensions0
+ end,
+ ExtensionsBin = enc_hello_extensions(Extensions1),
+
+ {?CLIENT_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
?BYTE(SIDLength), SessionID/binary,
?UINT16(CsLength), BinCipherSuites/binary,
?BYTE(CmLength), BinCompMethods/binary, ExtensionsBin/binary>>};
@@ -991,9 +1144,10 @@ enc_hs(#server_hello{server_version = {Major, Minor},
session_id = Session_ID,
cipher_suite = Cipher_suite,
compression_method = Comp_method,
- renegotiation_info = RenegotiationInfo}, _Version) ->
+ renegotiation_info = RenegotiationInfo,
+ next_protocol_negotiation = NextProtocolNegotiation}, _Version) ->
SID_length = byte_size(Session_ID),
- Extensions = hello_extensions(RenegotiationInfo),
+ Extensions = hello_extensions(RenegotiationInfo, NextProtocolNegotiation),
ExtensionsBin = enc_hello_extensions(Extensions),
{?SERVER_HELLO, <<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
?BYTE(SID_length), Session_ID/binary,
@@ -1004,15 +1158,30 @@ enc_hs(#certificate{asn1_certificates = ASN1CertList}, _Version) ->
{?CERTIFICATE, <<?UINT24(ACLen), ASN1Certs:ACLen/binary>>};
enc_hs(#server_key_exchange{params = #server_dh_params{
dh_p = P, dh_g = G, dh_y = Y},
- signed_params = SignedParams}, _Version) ->
+ signed_params = SignedParams, hashsign = HashSign}, Version) ->
PLen = byte_size(P),
GLen = byte_size(G),
YLen = byte_size(Y),
- SignedLen = byte_size(SignedParams),
+ Signature = enc_sign(HashSign, SignedParams, Version),
{?SERVER_KEY_EXCHANGE, <<?UINT16(PLen), P/binary,
?UINT16(GLen), G/binary,
?UINT16(YLen), Y/binary,
- ?UINT16(SignedLen), SignedParams/binary>>
+ Signature/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},
@@ -1027,8 +1196,8 @@ 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}, _) ->
- EncSig = enc_bin_sig(BinSig),
+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}.
@@ -1042,14 +1211,29 @@ enc_cke(#client_diffie_hellman_public{dh_public = DHPublic}, _) ->
Len = byte_size(DHPublic),
<<?UINT16(Len), DHPublic/binary>>.
-enc_bin_sig(BinSig) ->
- Size = byte_size(BinSig),
- <<?UINT16(Size), BinSig/binary>>.
+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>>.
+
+hello_extensions(RenegotiationInfo, NextProtocolNegotiation) ->
+ hello_extensions(RenegotiationInfo) ++ next_protocol_extension(NextProtocolNegotiation).
-%% Renegotiation info, only current extension
+%% Renegotiation info
hello_extensions(#renegotiation_info{renegotiated_connection = undefined}) ->
[];
hello_extensions(#renegotiation_info{} = Info) ->
+ [Info];
+hello_extensions(#hash_sign_algos{} = Info) ->
+ [Info].
+
+next_protocol_extension(undefined) ->
+ [];
+next_protocol_extension(#next_protocol_negotiation{} = Info) ->
[Info].
enc_hello_extensions(Extensions) ->
@@ -1060,6 +1244,9 @@ 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>>);
@@ -1067,8 +1254,22 @@ enc_hello_extensions([#renegotiation_info{renegotiated_connection = ?byte(0) = I
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(Rest, <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), ?BYTE(InfoLen), Info/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, []).
@@ -1095,6 +1296,14 @@ certificate_types({KeyExchange, _, _, _})
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}) ->
@@ -1113,43 +1322,43 @@ certificate_authorities_from_db(CertDbHandle, CertDbRef) ->
[Cert | Acc];
(_, Acc) ->
Acc
- end,
+ end,
ssl_certificate_db:foldl(ConnectionCerts, [], CertDbHandle).
-digitally_signed(Hash, #'RSAPrivateKey'{} = Key) ->
+
+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}, sha, Key);
+digitally_signed(_Version, Hash, _HashAlgo, #'RSAPrivateKey'{} = Key) ->
public_key:encrypt_private(Hash, Key,
- [{rsa_pad, rsa_pkcs1_padding}]);
-digitally_signed(Hash, #'DSAPrivateKey'{} = Key) ->
- public_key:sign(Hash, none, Key).
-
-calc_master_secret({3,0}, PremasterSecret, ClientRandom, ServerRandom) ->
+ [{rsa_pad, rsa_pkcs1_padding}]).
+
+calc_master_secret({3,0}, _PrfAlgo, PremasterSecret, ClientRandom, ServerRandom) ->
ssl_ssl3:master_secret(PremasterSecret, ClientRandom, ServerRandom);
-calc_master_secret({3,N},PremasterSecret, ClientRandom, ServerRandom)
- when N == 1; N == 2 ->
- ssl_tls1: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}, MasterSecret,
+setup_keys({3,0}, _PrfAlgo, MasterSecret,
ServerRandom, ClientRandom, HashSize, KML, EKML, IVS) ->
- ssl_ssl3:setup_keys(MasterSecret, ServerRandom,
+ ssl_ssl3:setup_keys(MasterSecret, ServerRandom,
ClientRandom, HashSize, KML, EKML, IVS);
-setup_keys({3,1}, MasterSecret,
+setup_keys({3,N}, PrfAlgo, MasterSecret,
ServerRandom, ClientRandom, HashSize, KML, _EKML, IVS) ->
- ssl_tls1:setup_keys(MasterSecret, ServerRandom, ClientRandom, HashSize,
+ ssl_tls1:setup_keys(N, PrfAlgo, MasterSecret, ServerRandom, ClientRandom, HashSize,
KML, IVS).
-calc_finished({3, 0}, Role, MasterSecret, Hashes) ->
- ssl_ssl3:finished(Role, MasterSecret, Hashes);
-calc_finished({3, N}, Role, MasterSecret, Hashes)
- when N == 1; N == 2 ->
- ssl_tls1:finished(Role, MasterSecret, Hashes).
+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}, MasterSecret, Algorithm, Hashes) ->
- ssl_ssl3:certificate_verify(Algorithm, MasterSecret, Hashes);
-calc_certificate_verify({3, N}, _, Algorithm, Hashes)
- when N == 1; N == 2 ->
- ssl_tls1:certificate_verify(Algorithm, Hashes).
+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;
@@ -1169,7 +1378,29 @@ apply_user_fun(Fun, OtpCert, ExtensionOrError, UserState0, SslState) ->
{unknown, {SslState, UserState}}
end.
-alg_oid(#'RSAPrivateKey'{}) ->
- ?'rsaEncryption';
-alg_oid(#'DSAPrivateKey'{}) ->
- ?'id-dsa'.
+certificate_verify_rsa(Hashes, sha, Signature, PublicKey, {Major, Minor})
+ when Major == 3, Minor >= 3 ->
+ public_key:verify({digest, Hashes}, sha, Signature, PublicKey);
+certificate_verify_rsa(Hashes, HashAlgo, Signature, PublicKey, {Major, Minor})
+ when Major == 3, Minor >= 3 ->
+ public_key:verify({digest, Hashes}, HashAlgo, Signature, PublicKey);
+certificate_verify_rsa(Hashes, _HashAlgo, Signature, PublicKey, _Version) ->
+ case public_key:decrypt_public(Signature, PublicKey,
+ [{rsa_pad, rsa_pkcs1_padding}]) of
+ Hashes -> true;
+ _ -> false
+ end.
+
+-define(TLSEXT_SIGALG_RSA(MD), {MD, rsa}).
+-define(TLSEXT_SIGALG_DSA(MD), {MD, dsa}).
+
+-define(TLSEXT_SIGALG(MD), ?TLSEXT_SIGALG_RSA(MD)).
+
+default_hash_signs() ->
+ #hash_sign_algos{hash_sign_algos =
+ [?TLSEXT_SIGALG(sha512),
+ ?TLSEXT_SIGALG(sha384),
+ ?TLSEXT_SIGALG(sha256),
+ ?TLSEXT_SIGALG(sha),
+ ?TLSEXT_SIGALG_DSA(sha),
+ ?TLSEXT_SIGALG_RSA(md5)]}.
diff --git a/lib/ssl/src/ssl_handshake.hrl b/lib/ssl/src/ssl_handshake.hrl
index fb0ebac7d1..9af6511d68 100644
--- a/lib/ssl/src/ssl_handshake.hrl
+++ b/lib/ssl/src/ssl_handshake.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2012. 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
@@ -31,6 +31,15 @@
-type algo_oid() :: ?'rsaEncryption' | ?'id-dsa'.
-type public_key_params() :: #'Dss-Parms'{} | term().
-type public_key_info() :: {algo_oid(), #'RSAPublicKey'{} | integer() , public_key_params()}.
+-type tls_handshake_history() :: {[binary()], [binary()]}.
+
+-define(NO_PROTOCOL, <<>>).
+
+%% Signature algorithms
+-define(ANON, 0).
+-define(RSA, 1).
+-define(DSA, 2).
+-define(ECDSA, 3).
-record(session, {
session_id,
@@ -89,7 +98,9 @@
session_id, % opaque SessionID<0..32>
cipher_suites, % cipher_suites<2..2^16-1>
compression_methods, % compression_methods<1..2^8-1>,
- renegotiation_info
+ renegotiation_info,
+ hash_signs, % supported combinations of hashes/signature algos
+ next_protocol_negotiation = undefined % [binary()]
}).
-record(server_hello, {
@@ -98,7 +109,9 @@
session_id, % opaque SessionID<0..32>
cipher_suite, % cipher_suites
compression_method, % compression_method
- renegotiation_info
+ renegotiation_info,
+ hash_signs, % supported combinations of hashes/signature algos
+ next_protocol_negotiation = undefined % [binary()]
}).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -129,7 +142,8 @@
-record(server_key_exchange, {
params, %% #server_rsa_params{} | #server_dh_params{}
- signed_params %% #signature{}
+ signed_params, %% #signature{}
+ hashsign %% term(atom(), atom())
}).
%% enum { anonymous, rsa, dsa } SignatureAlgorithm;
@@ -159,6 +173,7 @@
-record(certificate_request, {
certificate_types, %ClientCertificateType <1..2^8-1>
+ hashsign_algorithms, %%SignatureAndHashAlgorithm <2^16-1>;
certificate_authorities %DistinguishedName <0..2^16-1>
}).
@@ -193,6 +208,7 @@
%%% Certificate verify - RFC 4346 section 7.4.8
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-record(certificate_verify, {
+ hashsign_algorithm,
signature % binary()
}).
@@ -213,6 +229,27 @@
renegotiated_connection
}).
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Signature Algorithms RFC 5746 section 7.4.1.4.1.
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+-define(SIGNATURE_ALGORITHMS_EXT, 13).
+
+-record(hash_sign_algos, {
+ hash_sign_algos
+ }).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Next Protocol Negotiation
+%% (http://tools.ietf.org/html/draft-agl-tls-nextprotoneg-02)
+%% (http://technotes.googlecode.com/git/nextprotoneg.html)
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+-define(NEXTPROTONEG_EXT, 13172).
+-define(NEXT_PROTOCOL, 67).
+-record(next_protocol_negotiation, {extension_data}).
+
+-record(next_protocol, {selected_protocol}).
+
-endif. % -ifdef(ssl_handshake).
diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl
index 18cfcdcd68..a5db2dcee7 100644
--- a/lib/ssl/src/ssl_internal.hrl
+++ b/lib/ssl/src/ssl_internal.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2012. 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
@@ -34,7 +34,7 @@
-type host() :: inet:ip_address() | inet:hostname().
-type session_id() :: 0 | binary().
-type tls_version() :: {integer(), integer()}.
--type tls_atom_version() :: sslv3 | tlsv1.
+-type tls_atom_version() :: sslv3 | tlsv1 | 'tlsv1.1' | 'tlsv1.2'.
-type certdb_ref() :: reference().
-type db_handle() :: term().
-type key_algo() :: null | rsa | dhe_rsa | dhe_dss | dh_anon.
@@ -69,11 +69,11 @@
-define(TRUE, 0).
-define(FALSE, 1).
--define(DEFAULT_SUPPORTED_VERSIONS, [tlsv1, sslv3]). % TODO: This is temporary
-%-define(DEFAULT_SUPPORTED_VERSIONS, ['tlsv1.1', tlsv1, sslv3]).
+-define(DEFAULT_SUPPORTED_VERSIONS, [tlsv1, sslv3]). %% Add 'tlsv1.1' in R16
+-define(ALL_SUPPORTED_VERSIONS, ['tlsv1.2', 'tlsv1.1', tlsv1, sslv3]).
-record(ssl_options, {
- versions, % 'tlsv1.1' | tlsv1 | sslv3
+ versions, % 'tlsv1.2' | 'tlsv1.1' | tlsv1 | sslv3
verify, % verify_none | verify_peer
verify_fun, % fun(CertVerifyErrors) -> boolean()
fail_if_no_peer_cert, % boolean()
@@ -106,7 +106,9 @@
% after which ssl_connection will
% go into hibernation
%% This option should only be set to true by inet_tls_dist
- erl_dist = false
+ erl_dist = false,
+ next_protocols_advertised = undefined, %% [binary()],
+ next_protocol_selector = undefined %% fun([binary()]) -> binary())
}).
-record(socket_options,
diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl
index 3e947af2c9..0cf4f2ce33 100644
--- a/lib/ssl/src/ssl_manager.erl
+++ b/lib/ssl/src/ssl_manager.erl
@@ -86,7 +86,7 @@ start_link_dist(Opts) ->
%%--------------------------------------------------------------------
-spec connection_init(binary()| {der, list()}, client | server) ->
- {ok, certdb_ref(), db_handle(), db_handle()}.
+ {ok, certdb_ref(), db_handle(), db_handle(), db_handle(), db_handle()}.
%%
%% Description: Do necessary initializations for a new connection.
%%--------------------------------------------------------------------
@@ -191,7 +191,7 @@ init([Name, Opts]) ->
proplists:get_value(session_lifetime, Opts, ?'24H_in_sec'),
CertDb = ssl_certificate_db:create(),
SessionCache = CacheCb:init(proplists:get_value(session_cb_init_args, Opts, [])),
- Timer = erlang:send_after(SessionLifeTime * 1000,
+ Timer = erlang:send_after(SessionLifeTime * 1000 + 5000,
self(), validate_sessions),
erlang:send_after(?CLEAR_PEM_CACHE, self(), clear_pem_cache),
{ok, #state{certificate_db = CertDb,
@@ -325,7 +325,7 @@ handle_info({clean_cert_db, Ref, File},
case ssl_certificate_db:ref_count(Ref, RefDb, 0) of
0 ->
MD5 = crypto:md5(File),
- case ssl_certificate_db:lookup_cached_pem(MD5, PemCache) of
+ case ssl_certificate_db:lookup_cached_pem(PemCache, MD5) of
[{Content, Ref}] ->
ssl_certificate_db:insert(MD5, Content, PemCache);
undefined ->
diff --git a/lib/ssl/src/ssl_record.erl b/lib/ssl/src/ssl_record.erl
index 830026c825..8e93ce4634 100644
--- a/lib/ssl/src/ssl_record.erl
+++ b/lib/ssl/src/ssl_record.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2012. 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
@@ -383,6 +383,8 @@ get_tls_records_aux(Data, Acc) ->
%% Description: Creates a protocol version record from a version atom
%% or vice versa.
%%--------------------------------------------------------------------
+protocol_version('tlsv1.2') ->
+ {3, 3};
protocol_version('tlsv1.1') ->
{3, 2};
protocol_version(tlsv1) ->
@@ -391,6 +393,8 @@ protocol_version(sslv3) ->
{3, 0};
protocol_version(sslv2) -> %% Backwards compatibility
{2, 0};
+protocol_version({3, 3}) ->
+ 'tlsv1.2';
protocol_version({3, 2}) ->
'tlsv1.1';
protocol_version({3, 1}) ->
@@ -445,9 +449,9 @@ supported_protocol_versions() ->
end,
case application:get_env(ssl, protocol_version) of
undefined ->
- lists:map(Fun, ?DEFAULT_SUPPORTED_VERSIONS);
+ lists:map(Fun, supported_protocol_versions([]));
{ok, []} ->
- lists:map(Fun, ?DEFAULT_SUPPORTED_VERSIONS);
+ lists:map(Fun, supported_protocol_versions([]));
{ok, Vsns} when is_list(Vsns) ->
Versions = lists:filter(fun is_acceptable_version/1, lists:map(Fun, Vsns)),
supported_protocol_versions(Versions);
@@ -457,7 +461,16 @@ supported_protocol_versions() ->
end.
supported_protocol_versions([]) ->
- ?DEFAULT_SUPPORTED_VERSIONS;
+ Vsns = case sufficient_tlsv1_2_crypto_support() of
+ true ->
+ %%?ALL_SUPPORTED_VERSIONS; %% Add TlS-1.2 as default in R16
+ ?DEFAULT_SUPPORTED_VERSIONS;
+ false ->
+ ?DEFAULT_SUPPORTED_VERSIONS
+ end,
+ application:set_env(ssl, protocol_version, Vsns),
+ Vsns;
+
supported_protocol_versions([_|_] = Vsns) ->
Vsns.
@@ -561,14 +574,14 @@ highest_protocol_version() ->
initial_connection_state(ConnectionEnd) ->
#connection_state{security_parameters =
- initial_security_params(ConnectionEnd),
+ initial_security_params(ConnectionEnd),
sequence_number = 0
}.
initial_security_params(ConnectionEnd) ->
SecParams = #security_parameters{connection_end = ConnectionEnd,
compression_algorithm = ?NULL},
- ssl_cipher:security_parameters(?TLS_NULL_WITH_NULL_NULL,
+ ssl_cipher:security_parameters(highest_protocol_version(), ?TLS_NULL_WITH_NULL_NULL,
SecParams).
empty_connection_state(ConnectionEnd) ->
@@ -633,7 +646,7 @@ cipher(Type, Version, Fragment, CS0) ->
BCA}
}} =
hash_and_bump_seqno(CS0, Type, Version, Length, Fragment),
- {Ciphered, CipherS1} = ssl_cipher:cipher(BCA, CipherS0, MacHash, Fragment),
+ {Ciphered, CipherS1} = ssl_cipher:cipher(BCA, CipherS0, MacHash, Fragment, Version),
CS2 = CS1#connection_state{cipher_state=CipherS1},
{Ciphered, CS2}.
@@ -687,6 +700,17 @@ mac_hash({_,_}, ?NULL, _MacSecret, _SeqNo, _Type,
mac_hash({3, 0}, MacAlg, MacSecret, SeqNo, Type, Length, Fragment) ->
ssl_ssl3:mac_hash(MacAlg, MacSecret, SeqNo, Type, Length, Fragment);
mac_hash({3, N} = Version, MacAlg, MacSecret, SeqNo, Type, Length, Fragment)
- when N =:= 1; N =:= 2 ->
+ when N =:= 1; N =:= 2; N =:= 3 ->
ssl_tls1:mac_hash(MacAlg, MacSecret, SeqNo, Type, Version,
Length, Fragment).
+
+sufficient_tlsv1_2_crypto_support() ->
+ Data = "Sampl",
+ Data2 = "e #1",
+ Key = <<0,1,2,3,16,17,18,19,32,33,34,35,48,49,50,51,4,5,6,7,20,21,22,23,36,37,38,39,
+ 52,53,54,55,8,9,10,11,24,25,26,27,40,41,42,43,56,57,58,59>>,
+ try
+ crypto:sha256_mac(Key, lists:flatten([Data, Data2])),
+ true
+ catch _:_ -> false
+ end.
diff --git a/lib/ssl/src/ssl_record.hrl b/lib/ssl/src/ssl_record.hrl
index 282d642138..f73da92a52 100644
--- a/lib/ssl/src/ssl_record.hrl
+++ b/lib/ssl/src/ssl_record.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2011. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2012. 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
@@ -47,6 +47,7 @@
key_material_length, % unit 8
expanded_key_material_length, % unit 8
mac_algorithm, % unit 8
+ prf_algorithm, % unit 8
hash_size, % unit 8
compression_algorithm, % unit 8
master_secret, % opaque 48
@@ -97,10 +98,15 @@
%-define(TRUE, 0). %% Already defined by ssl_internal.hrl
%-define(FALSE, 1). %% Already defined by ssl_internal.hrl
-%% MACAlgorithm
+%% MAC and PRF Algorithms
%-define(NULL, 0). %% Already defined by ssl_internal.hrl
-define(MD5, 1).
-define(SHA, 2).
+-define(MD5SHA, 4711). %% Not defined in protocol used to represent old prf
+-define(SHA224, 3).
+-define(SHA256, 4).
+-define(SHA384, 5).
+-define(SHA512, 6).
%% CompressionMethod
% -define(NULL, 0). %% Already defined by ssl_internal.hrl
@@ -176,7 +182,8 @@
content, % opaque content[TLSCompressed.length];
mac, % opaque MAC[CipherSpec.hash_size];
padding, % unit 8 padding[GenericBlockCipher.padding_length];
- padding_length % uint8 padding_length;
+ padding_length, % uint8 padding_length;
+ next_iv % opaque IV[SecurityParameters.record_iv_length];
}).
-endif. % -ifdef(ssl_record).
diff --git a/lib/ssl/src/ssl_ssl3.erl b/lib/ssl/src/ssl_ssl3.erl
index f2926b2d2f..a11c5b8c0c 100644
--- a/lib/ssl/src/ssl_ssl3.erl
+++ b/lib/ssl/src/ssl_ssl3.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2010. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2012. 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
@@ -54,9 +54,9 @@ master_secret(PremasterSecret, ClientRandom, ServerRandom) ->
Block = generate_keyblock(PremasterSecret, ClientRandom, ServerRandom, 48),
Block.
--spec finished(client | server, binary(), {binary(), binary()}) -> binary().
+-spec finished(client | server, binary(), [binary()]) -> binary().
-finished(Role, MasterSecret, {MD5Hash, SHAHash}) ->
+finished(Role, MasterSecret, Handshake) ->
%% draft-ietf-tls-ssl-version3-00 - 5.6.9 Finished
%% struct {
%% opaque md5_hash[16];
@@ -70,13 +70,13 @@ finished(Role, MasterSecret, {MD5Hash, SHAHash}) ->
%% SHA(handshake_messages + Sender +
%% master_secret + pad1));
Sender = get_sender(Role),
- MD5 = handshake_hash(?MD5, MasterSecret, Sender, MD5Hash),
- SHA = handshake_hash(?SHA, MasterSecret, Sender, SHAHash),
+ MD5 = handshake_hash(?MD5, MasterSecret, Sender, Handshake),
+ SHA = handshake_hash(?SHA, MasterSecret, Sender, Handshake),
<<MD5/binary, SHA/binary>>.
--spec certificate_verify(OID::tuple(), binary(), {binary(), binary()}) -> binary().
+-spec certificate_verify(md5sha | sha, binary(), [binary()]) -> binary().
-certificate_verify(?'rsaEncryption', MasterSecret, {MD5Hash, SHAHash}) ->
+certificate_verify(md5sha, MasterSecret, Handshake) ->
%% md5_hash
%% MD5(master_secret + pad_2 +
%% MD5(handshake_messages + master_secret + pad_1));
@@ -84,15 +84,16 @@ certificate_verify(?'rsaEncryption', MasterSecret, {MD5Hash, SHAHash}) ->
%% SHA(master_secret + pad_2 +
%% SHA(handshake_messages + master_secret + pad_1));
- MD5 = handshake_hash(?MD5, MasterSecret, undefined, MD5Hash),
- SHA = handshake_hash(?SHA, MasterSecret, undefined, SHAHash),
+ MD5 = handshake_hash(?MD5, MasterSecret, undefined, Handshake),
+ SHA = handshake_hash(?SHA, MasterSecret, undefined, Handshake),
<<MD5/binary, SHA/binary>>;
-certificate_verify(?'id-dsa', MasterSecret, {_, SHAHash}) ->
+certificate_verify(sha, MasterSecret, Handshake) ->
%% sha_hash
%% SHA(master_secret + pad_2 +
%% SHA(handshake_messages + master_secret + pad_1));
- handshake_hash(?SHA, MasterSecret, undefined, SHAHash).
+
+ handshake_hash(?SHA, MasterSecret, undefined, Handshake).
-spec mac_hash(integer(), binary(), integer(), integer(), integer(), binary()) -> binary().
@@ -152,28 +153,17 @@ suites() ->
%%% Internal functions
%%--------------------------------------------------------------------
-hash(?MD5, Data) ->
+hash(?MD5, Data) ->
crypto:md5(Data);
-hash(?SHA, Data) ->
+hash(?SHA, Data) ->
crypto:sha(Data).
-hash_update(?MD5, Context, Data) ->
- crypto:md5_update(Context, Data);
-hash_update(?SHA, Context, Data) ->
- crypto:sha_update(Context, Data).
-
-hash_final(?MD5, Context) ->
- crypto:md5_final(Context);
-hash_final(?SHA, Context) ->
- crypto:sha_final(Context).
-
%%pad_1(?NULL) ->
%% "";
pad_1(?MD5) ->
<<"666666666666666666666666666666666666666666666666">>;
pad_1(?SHA) ->
<<"6666666666666666666666666666666666666666">>.
-
%%pad_2(?NULL) ->
%% "";
pad_2(?MD5) ->
@@ -189,19 +179,11 @@ mac_hash(Method, Secret, Data) ->
InnerHash = hash(Method, [Secret, pad_1(Method), Data]),
hash(Method, [Secret, pad_2(Method), InnerHash]).
-handshake_hash(Method, HandshakeHash, Extra) ->
- HSH = hash_update(Method, HandshakeHash, Extra),
- hash_final(Method, HSH).
-
-handshake_hash(Method, MasterSecret, undefined, HandshakeHash) ->
- InnerHash =
- handshake_hash(Method, HandshakeHash,
- [MasterSecret, pad_1(Method)]),
+handshake_hash(Method, MasterSecret, undefined, Handshake) ->
+ InnerHash = hash(Method, [Handshake, MasterSecret, pad_1(Method)]),
hash(Method, [MasterSecret, pad_2(Method), InnerHash]);
-handshake_hash(Method, MasterSecret, Sender, HandshakeHash) ->
- InnerHash =
- handshake_hash(Method, HandshakeHash,
- [Sender, MasterSecret, pad_1(Method)]),
+handshake_hash(Method, MasterSecret, Sender, Handshake) ->
+ InnerHash = hash(Method, [Handshake, Sender, MasterSecret, pad_1(Method)]),
hash(Method, [MasterSecret, pad_2(Method), InnerHash]).
get_sender(client) -> "CLNT";
diff --git a/lib/ssl/src/ssl_tls1.erl b/lib/ssl/src/ssl_tls1.erl
index c8aae34892..41dc1bf0dc 100644
--- a/lib/ssl/src/ssl_tls1.erl
+++ b/lib/ssl/src/ssl_tls1.erl
@@ -26,27 +26,29 @@
-include("ssl_cipher.hrl").
-include("ssl_internal.hrl").
--include("ssl_record.hrl").
+-include("ssl_record.hrl").
--export([master_secret/3, finished/3, certificate_verify/2, mac_hash/7,
- setup_keys/6, suites/0, prf/4]).
+-export([master_secret/4, finished/5, certificate_verify/3, mac_hash/7,
+ setup_keys/8, suites/1, prf/5]).
%%====================================================================
%% Internal application API
%%====================================================================
--spec master_secret(binary(), binary(), binary()) -> binary().
+-spec master_secret(integer(), binary(), binary(), binary()) -> binary().
-master_secret(PreMasterSecret, ClientRandom, ServerRandom) ->
- %% RFC 2246 & 4346 - 8.1 %% master_secret = PRF(pre_master_secret,
- %% "master secret", ClientHello.random +
- %% ServerHello.random)[0..47];
- prf(PreMasterSecret, <<"master secret">>,
+master_secret(PrfAlgo, PreMasterSecret, ClientRandom, ServerRandom) ->
+ %% RFC 2246 & 4346 && RFC 5246 - 8.1 %% master_secret = PRF(pre_master_secret,
+ %% "master secret", ClientHello.random +
+ %% ServerHello.random)[0..47];
+
+ prf(PrfAlgo, PreMasterSecret, <<"master secret">>,
[ClientRandom, ServerRandom], 48).
--spec finished(client | server, binary(), {binary(), binary()}) -> binary().
+-spec finished(client | server, integer(), integer(), binary(), [binary()]) -> binary().
-finished(Role, MasterSecret, {MD5Hash, SHAHash}) ->
+finished(Role, Version, PrfAlgo, MasterSecret, Handshake)
+ when Version == 1; Version == 2; PrfAlgo == ?MD5SHA ->
%% RFC 2246 & 4346 - 7.4.9. Finished
%% struct {
%% opaque verify_data[12];
@@ -55,26 +57,39 @@ finished(Role, MasterSecret, {MD5Hash, SHAHash}) ->
%% verify_data
%% PRF(master_secret, finished_label, MD5(handshake_messages) +
%% SHA-1(handshake_messages)) [0..11];
- MD5 = hash_final(?MD5, MD5Hash),
- SHA = hash_final(?SHA, SHAHash),
- prf(MasterSecret, finished_label(Role), [MD5, SHA], 12).
+ MD5 = crypto:md5(Handshake),
+ SHA = crypto:sha(Handshake),
+ prf(?MD5SHA, MasterSecret, finished_label(Role), [MD5, SHA], 12);
+
+finished(Role, Version, PrfAlgo, MasterSecret, Handshake)
+ when Version == 3 ->
+ %% RFC 5246 - 7.4.9. Finished
+ %% struct {
+ %% opaque verify_data[12];
+ %% } Finished;
+ %%
+ %% verify_data
+ %% PRF(master_secret, finished_label, Hash(handshake_messages)) [0..11];
+ Hash = crypto:hash(mac_algo(PrfAlgo), Handshake),
+ prf(PrfAlgo, MasterSecret, finished_label(Role), Hash, 12).
--spec certificate_verify(OID::tuple(), {binary(), binary()}) -> binary().
+-spec certificate_verify(md5sha | sha, integer(), [binary()]) -> binary().
-certificate_verify(?'rsaEncryption', {MD5Hash, SHAHash}) ->
- MD5 = hash_final(?MD5, MD5Hash),
- SHA = hash_final(?SHA, SHAHash),
+certificate_verify(md5sha, _Version, Handshake) ->
+ MD5 = crypto:md5(Handshake),
+ SHA = crypto:sha(Handshake),
<<MD5/binary, SHA/binary>>;
-certificate_verify(?'id-dsa', {_, SHAHash}) ->
- hash_final(?SHA, SHAHash).
+certificate_verify(HashAlgo, _Version, Handshake) ->
+ crypto:hash(HashAlgo, Handshake).
--spec setup_keys(binary(), binary(), binary(), integer(),
- integer(), integer()) -> {binary(), binary(), binary(),
+-spec setup_keys(integer(), integer(), binary(), binary(), binary(), integer(),
+ integer(), integer()) -> {binary(), binary(), binary(),
binary(), binary(), binary()}.
-setup_keys(MasterSecret, ServerRandom, ClientRandom, HashSize,
- KeyMatLen, IVSize) ->
+setup_keys(Version, _PrfAlgo, MasterSecret, ServerRandom, ClientRandom, HashSize,
+ KeyMatLen, IVSize)
+ when Version == 1 ->
%% RFC 2246 - 6.3. Key calculation
%% key_block = PRF(SecurityParameters.master_secret,
%% "key expansion",
@@ -88,36 +103,67 @@ setup_keys(MasterSecret, ServerRandom, ClientRandom, HashSize,
%% client_write_IV[SecurityParameters.IV_size]
%% server_write_IV[SecurityParameters.IV_size]
WantedLength = 2 * (HashSize + KeyMatLen + IVSize),
- KeyBlock = prf(MasterSecret, "key expansion",
+ KeyBlock = prf(?MD5SHA, MasterSecret, "key expansion",
[ServerRandom, ClientRandom], WantedLength),
<<ClientWriteMacSecret:HashSize/binary,
ServerWriteMacSecret:HashSize/binary,
ClientWriteKey:KeyMatLen/binary, ServerWriteKey:KeyMatLen/binary,
ClientIV:IVSize/binary, ServerIV:IVSize/binary>> = KeyBlock,
{ClientWriteMacSecret, ServerWriteMacSecret, ClientWriteKey,
- ServerWriteKey, ClientIV, ServerIV}.
+ ServerWriteKey, ClientIV, ServerIV};
+
+%% TLS v1.1
+setup_keys(Version, _PrfAlgo, MasterSecret, ServerRandom, ClientRandom, HashSize,
+ KeyMatLen, IVSize)
+ when Version == 2 ->
+ %% RFC 4346 - 6.3. Key calculation
+ %% key_block = PRF(SecurityParameters.master_secret,
+ %% "key expansion",
+ %% SecurityParameters.server_random +
+ %% SecurityParameters.client_random);
+ %% Then the key_block is partitioned as follows:
+ %% client_write_MAC_secret[SecurityParameters.hash_size]
+ %% server_write_MAC_secret[SecurityParameters.hash_size]
+ %% client_write_key[SecurityParameters.key_material_length]
+ %% server_write_key[SecurityParameters.key_material_length]
+ %%
+ %% RFC 4346 is incomplete, the client and server IVs have to
+ %% be generated just like for TLS 1.0
+ WantedLength = 2 * (HashSize + KeyMatLen + IVSize),
+ KeyBlock = prf(?MD5SHA, MasterSecret, "key expansion",
+ [ServerRandom, ClientRandom], WantedLength),
+ <<ClientWriteMacSecret:HashSize/binary,
+ ServerWriteMacSecret:HashSize/binary,
+ ClientWriteKey:KeyMatLen/binary, ServerWriteKey:KeyMatLen/binary,
+ ClientIV:IVSize/binary, ServerIV:IVSize/binary>> = KeyBlock,
+ {ClientWriteMacSecret, ServerWriteMacSecret, ClientWriteKey,
+ ServerWriteKey, ClientIV, ServerIV};
-%% TLS v1.1 uncomment when supported.
-%% setup_keys(MasterSecret, ServerRandom, ClientRandom, HashSize, KeyMatLen) ->
-%% %% RFC 4346 - 6.3. Key calculation
-%% %% key_block = PRF(SecurityParameters.master_secret,
-%% %% "key expansion",
-%% %% SecurityParameters.server_random +
-%% %% SecurityParameters.client_random);
-%% %% Then the key_block is partitioned as follows:
-%% %% client_write_MAC_secret[SecurityParameters.hash_size]
-%% %% server_write_MAC_secret[SecurityParameters.hash_size]
-%% %% client_write_key[SecurityParameters.key_material_length]
-%% %% server_write_key[SecurityParameters.key_material_length]
-%% WantedLength = 2 * (HashSize + KeyMatLen),
-%% KeyBlock = prf(MasterSecret, "key expansion",
-%% [ServerRandom, ClientRandom], WantedLength),
-%% <<ClientWriteMacSecret:HashSize/binary,
-%% ServerWriteMacSecret:HashSize/binary,
-%% ClientWriteKey:KeyMatLen/binary, ServerWriteKey:KeyMatLen/binary>>
-%% = KeyBlock,
-%% {ClientWriteMacSecret, ServerWriteMacSecret, ClientWriteKey,
-%% ServerWriteKey, undefined, undefined}.
+%% TLS v1.2
+setup_keys(Version, PrfAlgo, MasterSecret, ServerRandom, ClientRandom, HashSize,
+ KeyMatLen, IVSize)
+ when Version == 3 ->
+ %% RFC 5246 - 6.3. Key calculation
+ %% key_block = PRF(SecurityParameters.master_secret,
+ %% "key expansion",
+ %% SecurityParameters.server_random +
+ %% SecurityParameters.client_random);
+ %% Then the key_block is partitioned as follows:
+ %% client_write_MAC_secret[SecurityParameters.hash_size]
+ %% server_write_MAC_secret[SecurityParameters.hash_size]
+ %% client_write_key[SecurityParameters.key_material_length]
+ %% server_write_key[SecurityParameters.key_material_length]
+ %% client_write_IV[SecurityParameters.fixed_iv_length]
+ %% server_write_IV[SecurityParameters.fixed_iv_length]
+ WantedLength = 2 * (HashSize + KeyMatLen + IVSize),
+ KeyBlock = prf(PrfAlgo, MasterSecret, "key expansion",
+ [ServerRandom, ClientRandom], WantedLength),
+ <<ClientWriteMacSecret:HashSize/binary,
+ ServerWriteMacSecret:HashSize/binary,
+ ClientWriteKey:KeyMatLen/binary, ServerWriteKey:KeyMatLen/binary,
+ ClientIV:IVSize/binary, ServerIV:IVSize/binary>> = KeyBlock,
+ {ClientWriteMacSecret, ServerWriteMacSecret, ClientWriteKey,
+ ServerWriteKey, ClientIV, ServerIV}.
-spec mac_hash(integer(), binary(), integer(), integer(), tls_version(),
integer(), binary()) -> binary().
@@ -134,9 +180,9 @@ mac_hash(Method, Mac_write_secret, Seq_num, Type, {Major, Minor},
Fragment]),
Mac.
--spec suites() -> [cipher_suite()].
+-spec suites(1|2|3) -> [cipher_suite()].
-suites() ->
+suites(Minor) when Minor == 1; Minor == 2->
[
?TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
?TLS_DHE_DSS_WITH_AES_256_CBC_SHA,
@@ -152,7 +198,19 @@ suites() ->
?TLS_RSA_WITH_RC4_128_MD5,
?TLS_DHE_RSA_WITH_DES_CBC_SHA,
?TLS_RSA_WITH_DES_CBC_SHA
- ].
+ ];
+
+suites(Minor) when Minor == 3 ->
+ [
+ ?TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
+ ?TLS_DHE_DSS_WITH_AES_256_CBC_SHA256,
+ ?TLS_RSA_WITH_AES_256_CBC_SHA256,
+ ?TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
+ ?TLS_DHE_DSS_WITH_AES_128_CBC_SHA256,
+ ?TLS_RSA_WITH_AES_128_CBC_SHA256
+ %% ?TLS_DH_anon_WITH_AES_128_CBC_SHA256,
+ %% ?TLS_DH_anon_WITH_AES_256_CBC_SHA256
+ ] ++ suites(2).
%%--------------------------------------------------------------------
%%% Internal functions
@@ -163,7 +221,19 @@ hmac_hash(?NULL, _, _) ->
hmac_hash(?MD5, Key, Value) ->
crypto:md5_mac(Key, Value);
hmac_hash(?SHA, Key, Value) ->
- crypto:sha_mac(Key, Value).
+ crypto:sha_mac(Key, Value);
+hmac_hash(?SHA256, Key, Value) ->
+ crypto:sha256_mac(Key, Value);
+hmac_hash(?SHA384, Key, Value) ->
+ crypto:sha384_mac(Key, Value);
+hmac_hash(?SHA512, Key, Value) ->
+ crypto:sha512_mac(Key, Value).
+
+mac_algo(?MD5) -> md5;
+mac_algo(?SHA) -> sha;
+mac_algo(?SHA256) -> sha256;
+mac_algo(?SHA384) -> sha384;
+mac_algo(?SHA512) -> sha512.
% First, we define a data expansion function, P_hash(secret, data) that
% uses a single hash function to expand a secret and seed into an
@@ -182,7 +252,7 @@ p_hash(_Secret, _Seed, WantedLength, _Method, _N, [Last | Acc])
when WantedLength =< 0 ->
Keep = byte_size(Last) + WantedLength,
<<B:Keep/binary, _/binary>> = Last,
- lists:reverse(Acc, [B]);
+ list_to_binary(lists:reverse(Acc, [B]));
p_hash(Secret, Seed, WantedLength, Method, N, Acc) ->
N1 = N+1,
Bin = hmac_hash(Method, Secret, [a(N1, Secret, Seed, Method), Seed]),
@@ -214,13 +284,18 @@ split_secret(BinSecret) ->
<<_:Div/binary, Secret2:EvenLength/binary>> = BinSecret,
{Secret1, Secret2}.
-prf(Secret, Label, Seed, WantedLength) ->
+prf(?MD5SHA, Secret, Label, Seed, WantedLength) ->
%% PRF(secret, label, seed) = P_MD5(S1, label + seed) XOR
%% P_SHA-1(S2, label + seed);
{S1, S2} = split_secret(Secret),
LS = list_to_binary([Label, Seed]),
crypto:exor(p_hash(S1, LS, WantedLength, ?MD5),
- p_hash(S2, LS, WantedLength, ?SHA)).
+ p_hash(S2, LS, WantedLength, ?SHA));
+
+prf(MAC, Secret, Label, Seed, WantedLength) ->
+ %% PRF(secret, label, seed) = P_SHA256(secret, label + seed);
+ LS = list_to_binary([Label, Seed]),
+ p_hash(Secret, LS, WantedLength, MAC).
%%%% Misc help functions %%%%
@@ -228,8 +303,3 @@ finished_label(client) ->
<<"client finished">>;
finished_label(server) ->
<<"server finished">>.
-
-hash_final(?MD5, Conntext) ->
- crypto:md5_final(Conntext);
-hash_final(?SHA, Conntext) ->
- crypto:sha_final(Conntext).
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-24 06:32:18 +0000