diff options
Diffstat (limited to 'lib/ssl/src/ssl_connection.erl')
| -rw-r--r-- | lib/ssl/src/ssl_connection.erl | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index 28dd0c85d0..59133dccf0 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -40,7 +40,8 @@ -export([send/2, recv/3, connect/7, ssl_accept/6, handshake/2, 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]). + peer_certificate/1, sockname/1, peername/1, renegotiation/1, + prf/5]). %% Called by ssl_connection_sup -export([start_link/7]). @@ -273,6 +274,16 @@ peer_certificate(ConnectionPid) -> renegotiation(ConnectionPid) -> sync_send_all_state_event(ConnectionPid, renegotiate). +%%-------------------------------------------------------------------- +-spec prf(pid(), binary() | 'master_secret', binary(), + binary() | ssl:prf_secret(), non_neg_integer()) -> + {ok, binary()} | {error, reason()} | {'EXIT', term()}. +%% +%% Description: use a ssl sessions TLS PRF to generate key material +%%-------------------------------------------------------------------- +prf(ConnectionPid, Secret, Label, Seed, WantedLength) -> + sync_send_all_state_event(ConnectionPid, {prf, Secret, Label, Seed, WantedLength}). + %%==================================================================== %% ssl_connection_sup API %%==================================================================== @@ -868,6 +879,32 @@ handle_sync_event(renegotiate, From, connection, State) -> handle_sync_event(renegotiate, _, StateName, State) -> {reply, {error, already_renegotiating}, StateName, State, get_timeout(State)}; +handle_sync_event({prf, Secret, Label, Seed, WantedLength}, _, StateName, + #state{connection_states = ConnectionStates, + negotiated_version = Version} = State) -> + ConnectionState = + ssl_record:current_connection_state(ConnectionStates, read), + SecParams = ConnectionState#connection_state.security_parameters, + #security_parameters{master_secret = MasterSecret, + client_random = ClientRandom, + server_random = ServerRandom} = SecParams, + Reply = try + SecretToUse = case Secret of + _ when is_binary(Secret) -> Secret; + master_secret -> MasterSecret + end, + SeedToUse = lists:reverse( + lists:foldl(fun(X, Acc) when is_binary(X) -> [X|Acc]; + (client_random, Acc) -> [ClientRandom|Acc]; + (server_random, Acc) -> [ServerRandom|Acc] + end, [], Seed)), + ssl_handshake:prf(Version, SecretToUse, Label, SeedToUse, WantedLength) + catch + exit:_ -> {error, badarg}; + error:Reason -> {error, Reason} + end, + {reply, Reply, StateName, State, get_timeout(State)}; + handle_sync_event(info, _, StateName, #state{negotiated_version = Version, session = #session{cipher_suite = Suite}} = State) -> |