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-rw-r--r--lib/ssl/src/ssl_connection.erl131
1 files changed, 65 insertions, 66 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index c3f16699a1..3a9cada81e 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -75,7 +75,7 @@
session, % #session{} from ssl_handshake.hrl
session_cache, %
session_cache_cb, %
- negotiated_version, % #protocol_version{}
+ negotiated_version, % tls_version()
supported_protocol_versions, % [atom()]
client_certificate_requested = false,
key_algorithm, % atom as defined by cipher_suite
@@ -374,7 +374,7 @@ hello(#server_hello{cipher_suite = CipherSuite,
case ssl_handshake:hello(Hello, SslOptions, ConnectionStates0, Renegotiation) of
{Version, NewId, ConnectionStates} ->
- {KeyAlgorithm, _, _} =
+ {KeyAlgorithm, _, _} =
ssl_cipher:suite_definition(CipherSuite),
PremasterSecret = make_premaster_secret(ReqVersion, KeyAlgorithm),
@@ -512,7 +512,7 @@ certify(#certificate{} = Cert,
certify(#server_key_exchange{} = KeyExchangeMsg,
#state{role = client, negotiated_version = Version,
key_algorithm = Alg} = State0)
- when Alg == dhe_dss; Alg == dhe_rsa ->
+ when Alg == dhe_dss; Alg == dhe_rsa; Alg == dh_anon ->
case handle_server_key(KeyExchangeMsg, State0) of
#state{} = State1 ->
{Record, State} = next_record(State1),
@@ -613,25 +613,10 @@ certify_client_key_exchange(#client_diffie_hellman_public{dh_public = ClientPubl
#state{negotiated_version = Version,
diffie_hellman_params = #'DHParameter'{prime = P,
base = G},
- diffie_hellman_keys = {_, ServerDhPrivateKey},
- role = Role,
- session = Session,
- connection_states = ConnectionStates0} = State0) ->
-
- PMpint = crypto:mpint(P),
- GMpint = crypto:mpint(G),
- PremasterSecret = crypto:dh_compute_key(mpint_binary(ClientPublicDhKey),
- ServerDhPrivateKey,
- [PMpint, GMpint]),
-
- case ssl_handshake:master_secret(Version, PremasterSecret,
- ConnectionStates0, Role) of
- {MasterSecret, ConnectionStates} ->
- State1 = State0#state{session =
- Session#session{master_secret
- = MasterSecret},
- connection_states = ConnectionStates},
+ diffie_hellman_keys = {_, ServerDhPrivateKey}} = State0) ->
+ case dh_master_secret(crypto:mpint(P), crypto:mpint(G), ClientPublicDhKey, ServerDhPrivateKey, State0) of
+ #state{} = State1 ->
{Record, State} = next_record(State1),
next_state(cipher, Record, State);
#alert{} = Alert ->
@@ -1056,6 +1041,8 @@ init_certificates(#ssl_options{cacerts = CaCerts,
end,
init_certificates(Cert, CertDbRef, CacheRef, CertFile, Role).
+init_certificates(undefined, CertDbRef, CacheRef, "", _) ->
+ {ok, CertDbRef, CacheRef, undefined};
init_certificates(undefined, CertDbRef, CacheRef, CertFile, client) ->
try
@@ -1066,18 +1053,18 @@ init_certificates(undefined, CertDbRef, CacheRef, CertFile, client) ->
end;
init_certificates(undefined, CertDbRef, CacheRef, CertFile, server) ->
- try
+ try
[OwnCert] = ssl_certificate:file_to_certificats(CertFile),
{ok, CertDbRef, CacheRef, OwnCert}
- catch
- Error:Reason ->
- handle_file_error(?LINE, Error, Reason, CertFile, ecertfile,
- erlang:get_stacktrace())
- end;
+ catch
+ Error:Reason ->
+ handle_file_error(?LINE, Error, Reason, CertFile, ecertfile,
+ erlang:get_stacktrace())
+ end;
init_certificates(Cert, CertDbRef, CacheRef, _, _) ->
{ok, CertDbRef, CacheRef, Cert}.
-init_private_key(undefined, "", _Password, client) ->
+init_private_key(undefined, "", _Password, _Client) ->
undefined;
init_private_key(undefined, KeyFile, Password, _) ->
try
@@ -1337,15 +1324,17 @@ server_hello_done(#state{transport_cb = Transport,
Transport:send(Socket, BinHelloDone),
State#state{connection_states = NewConnectionStates,
tls_handshake_hashes = NewHashes}.
-
-certify_server(#state{transport_cb = Transport,
- socket = Socket,
- negotiated_version = Version,
- connection_states = ConnectionStates,
- tls_handshake_hashes = Hashes,
- cert_db_ref = CertDbRef,
- own_cert = OwnCert} = State) ->
+certify_server(#state{key_algorithm = dh_anon} = State) ->
+ State;
+
+certify_server(#state{transport_cb = Transport,
+ socket = Socket,
+ negotiated_version = Version,
+ connection_states = ConnectionStates,
+ tls_handshake_hashes = Hashes,
+ cert_db_ref = CertDbRef,
+ own_cert = OwnCert} = State) ->
case ssl_handshake:certificate(OwnCert, CertDbRef, server) of
CertMsg = #certificate{} ->
{BinCertMsg, NewConnectionStates, NewHashes} =
@@ -1370,7 +1359,8 @@ key_exchange(#state{role = server, key_algorithm = Algo,
transport_cb = Transport
} = State)
when Algo == dhe_dss;
- Algo == dhe_rsa ->
+ Algo == dhe_rsa;
+ Algo == dh_anon ->
Keys = crypto:dh_generate_key([crypto:mpint(P), crypto:mpint(G)]),
ConnectionState =
@@ -1389,11 +1379,6 @@ key_exchange(#state{role = server, key_algorithm = Algo,
diffie_hellman_keys = Keys,
tls_handshake_hashes = Hashes1};
-
-%% key_algorithm = dh_anon is not supported. Should be by default disabled
-%% if support is implemented and then we need a key_exchange clause for it
-%% here.
-
key_exchange(#state{role = client,
connection_states = ConnectionStates0,
key_algorithm = rsa,
@@ -1416,7 +1401,8 @@ key_exchange(#state{role = client,
socket = Socket, transport_cb = Transport,
tls_handshake_hashes = Hashes0} = State)
when Algorithm == dhe_dss;
- Algorithm == dhe_rsa ->
+ Algorithm == dhe_rsa;
+ Algorithm == dh_anon ->
Msg = ssl_handshake:key_exchange(client, {dh, DhPubKey}),
{BinMsg, ConnectionStates1, Hashes1} =
encode_handshake(Msg, Version, ConnectionStates0, Hashes0),
@@ -1494,23 +1480,30 @@ save_verify_data(client, #finished{verify_data = Data}, ConnectionStates, abbrev
save_verify_data(server, #finished{verify_data = Data}, ConnectionStates, abbreviated) ->
ssl_record:set_server_verify_data(current_write, Data, ConnectionStates).
+handle_server_key(#server_key_exchange{params =
+ #server_dh_params{dh_p = P,
+ dh_g = G,
+ dh_y = ServerPublicDhKey},
+ signed_params = <<>>},
+ #state{key_algorithm = dh_anon} = State) ->
+ dh_master_secret(P, G, ServerPublicDhKey, undefined, State);
+
handle_server_key(
#server_key_exchange{params =
#server_dh_params{dh_p = P,
dh_g = G,
dh_y = ServerPublicDhKey},
signed_params = Signed},
- #state{session = Session, negotiated_version = Version, role = Role,
- public_key_info = PubKeyInfo,
+ #state{public_key_info = PubKeyInfo,
key_algorithm = KeyAlgo,
- connection_states = ConnectionStates0} = State) ->
+ connection_states = ConnectionStates} = State) ->
PLen = size(P),
GLen = size(G),
YLen = size(ServerPublicDhKey),
ConnectionState =
- ssl_record:pending_connection_state(ConnectionStates0, read),
+ ssl_record:pending_connection_state(ConnectionStates, read),
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
@@ -1524,29 +1517,11 @@ handle_server_key(
case verify_dh_params(Signed, Hash, PubKeyInfo) of
true ->
- PMpint = mpint_binary(P),
- GMpint = mpint_binary(G),
- Keys = {_, ClientDhPrivateKey} =
- crypto:dh_generate_key([PMpint,GMpint]),
- PremasterSecret =
- crypto:dh_compute_key(mpint_binary(ServerPublicDhKey),
- ClientDhPrivateKey, [PMpint, GMpint]),
- case ssl_handshake:master_secret(Version, PremasterSecret,
- ConnectionStates0, Role) of
- {MasterSecret, ConnectionStates} ->
- State#state{diffie_hellman_keys = Keys,
- session =
- Session#session{master_secret
- = MasterSecret},
- connection_states = ConnectionStates};
- #alert{} = Alert ->
- Alert
- end;
+ dh_master_secret(P, G, ServerPublicDhKey, undefined, State);
false ->
?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE)
end.
-
verify_dh_params(Signed, Hashes, {?rsaEncryption, PubKey, _PubKeyParams}) ->
case public_key:decrypt_public(Signed, PubKey,
[{rsa_pad, rsa_pkcs1_padding}]) of
@@ -1558,6 +1533,30 @@ verify_dh_params(Signed, Hashes, {?rsaEncryption, PubKey, _PubKeyParams}) ->
verify_dh_params(Signed, Hash, {?'id-dsa', PublicKey, PublicKeyParams}) ->
public_key:verify(Hash, none, Signed, {PublicKey, PublicKeyParams}).
+dh_master_secret(Prime, Base, PublicDhKey, undefined, State) ->
+ PMpint = mpint_binary(Prime),
+ GMpint = mpint_binary(Base),
+ Keys = {_, PrivateDhKey} =
+ crypto:dh_generate_key([PMpint,GMpint]),
+ dh_master_secret(PMpint, GMpint, PublicDhKey, PrivateDhKey, State#state{diffie_hellman_keys = Keys});
+
+dh_master_secret(PMpint, GMpint, PublicDhKey, PrivateDhKey,
+ #state{session = Session,
+ negotiated_version = Version, role = Role,
+ connection_states = ConnectionStates0} = State) ->
+ PremasterSecret =
+ crypto:dh_compute_key(mpint_binary(PublicDhKey), PrivateDhKey,
+ [PMpint, GMpint]),
+ case ssl_handshake:master_secret(Version, PremasterSecret,
+ ConnectionStates0, Role) of
+ {MasterSecret, ConnectionStates} ->
+ State#state{
+ session =
+ Session#session{master_secret = MasterSecret},
+ connection_states = ConnectionStates};
+ #alert{} = Alert ->
+ Alert
+ end.
cipher_role(client, Data, Session, #state{connection_states = ConnectionStates0} = State) ->
ConnectionStates = ssl_record:set_server_verify_data(current_both, Data, ConnectionStates0),
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 20:07:01 +0000