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-rw-r--r--lib/ssl/src/ssl_connection.erl80
1 files changed, 19 insertions, 61 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 75100864c8..1eda926bcb 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -290,12 +290,11 @@ hello(#hello_request{}, #state{role = client} = State0, Connection) ->
{Record, State} = Connection:next_record(State0),
Connection:next_state(hello, hello, Record, State);
-hello({common_client_hello, Type, ServerHelloExt, HashSign},
- #state{session = #session{cipher_suite = CipherSuite},
- negotiated_version = Version} = State, Connection) ->
- {KeyAlg, _, _, _} = ssl_cipher:suite_definition(CipherSuite),
- NegotiatedHashSign = negotiated_hashsign(HashSign, KeyAlg, Version),
+hello({common_client_hello, Type, ServerHelloExt, NegotiatedHashSign},
+ State, Connection) ->
do_server_hello(Type, ServerHelloExt,
+ %% Note NegotiatedHashSign is only negotiated for real if
+ %% if TLS version is at least TLS-1.2
State#state{hashsign_algorithm = NegotiatedHashSign}, Connection);
hello(timeout, State, _) ->
@@ -432,7 +431,8 @@ certify(#server_key_exchange{exchange_keys = Keys},
calculate_secret(Params#server_key_params.params,
State#state{hashsign_algorithm = HashSign}, Connection);
false ->
- ?ALERT_REC(?FATAL, ?DECRYPT_ERROR)
+ Connection:handle_own_alert(?ALERT_REC(?FATAL, ?DECRYPT_ERROR),
+ Version, certify, State)
end
end;
@@ -560,7 +560,7 @@ cipher(#certificate_verify{signature = Signature, hashsign_algorithm = CertHashS
tls_handshake_history = Handshake
} = State0, Connection) ->
- HashSign = ssl_handshake:select_cert_hashsign(CertHashSign, Algo, Version),
+ HashSign = ssl_handshake:select_hashsign_algs(CertHashSign, Algo, Version),
case ssl_handshake:certificate_verify(Signature, PublicKeyInfo,
Version, HashSign, MasterSecret, Handshake) of
valid ->
@@ -1564,60 +1564,6 @@ cipher_role(server, Data, Session, #state{connection_states = ConnectionStates0
session = Session}, cipher, Connection),
Connection:next_state_connection(cipher, ack_connection(State#state{session = Session})).
-negotiated_hashsign(undefined, Algo, Version) ->
- default_hashsign(Version, Algo);
-negotiated_hashsign(HashSign = {_, _}, _, _) ->
- HashSign.
-
-%% 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 orelse
- KeyExchange == ecdhe_rsa orelse
- KeyExchange == ecdh_rsa orelse
- KeyExchange == srp_rsa) ->
- {sha, rsa};
-default_hashsign(_Version, KeyExchange)
- when KeyExchange == rsa;
- KeyExchange == dhe_rsa;
- KeyExchange == dh_rsa;
- KeyExchange == ecdhe_rsa;
- KeyExchange == ecdh_rsa;
- KeyExchange == srp_rsa ->
- {md5sha, rsa};
-default_hashsign(_Version, KeyExchange)
- when KeyExchange == ecdhe_ecdsa;
- KeyExchange == ecdh_ecdsa ->
- {sha, ecdsa};
-default_hashsign(_Version, KeyExchange)
- when KeyExchange == dhe_dss;
- KeyExchange == dh_dss;
- KeyExchange == srp_dss ->
- {sha, dsa};
-default_hashsign(_Version, KeyExchange)
- when KeyExchange == dh_anon;
- KeyExchange == ecdh_anon;
- KeyExchange == psk;
- KeyExchange == dhe_psk;
- KeyExchange == rsa_psk;
- KeyExchange == srp_anon ->
- {null, anon}.
-
select_curve(#state{client_ecc = {[Curve|_], _}}) ->
{namedCurve, Curve};
select_curve(_) ->
@@ -1889,3 +1835,15 @@ new_ssl_options([undefined | Rest0], [Head1| Rest1], Acc) ->
new_ssl_options(Rest0, Rest1, [Head1 | Acc]);
new_ssl_options([Head0 | Rest0], [_| Rest1], Acc) ->
new_ssl_options(Rest0, Rest1, [Head0 | Acc]).
+
+negotiated_hashsign(undefined, Alg, Version) ->
+ %% Not negotiated choose default
+ case is_anonymous(Alg) of
+ true ->
+ {null, anon};
+ false ->
+ ssl_handshake:select_hashsign_algs(Alg, Version)
+ end;
+negotiated_hashsign(HashSign = {_, _}, _, _) ->
+ HashSign.
+