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-rw-r--r--lib/ssl/src/ssl_connection.erl207
1 files changed, 152 insertions, 55 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index fa64915fd0..54eed03d3c 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -98,7 +98,8 @@
terminated = false, %
allow_renegotiate = true,
expecting_next_protocol_negotiation = false :: boolean(),
- next_protocol = undefined :: undefined | binary()
+ next_protocol = undefined :: undefined | binary(),
+ client_ecc % {Curves, PointFmt}
}).
-define(DEFAULT_DIFFIE_HELLMAN_PARAMS,
@@ -416,11 +417,14 @@ 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, ProtocolsToAdvertise} ->
- do_server_hello(Type, ProtocolsToAdvertise, State#state{connection_states =
- ConnectionStates,
- negotiated_version = Version,
- session = Session});
+ {Version, {Type, Session}, ConnectionStates, ProtocolsToAdvertise,
+ EcPointFormats, EllipticCurves} ->
+ do_server_hello(Type, ProtocolsToAdvertise,
+ EcPointFormats, EllipticCurves,
+ State#state{connection_states = ConnectionStates,
+ negotiated_version = Version,
+ session = Session,
+ client_ecc = {EllipticCurves, EcPointFormats}});
#alert{} = Alert ->
handle_own_alert(Alert, ClientVersion, hello, State)
end;
@@ -533,7 +537,9 @@ 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; Alg == dh_anon;
+ when Alg == dhe_dss; Alg == dhe_rsa;
+ Alg == ecdhe_rsa; Alg == ecdhe_ecdsa;
+ Alg == dh_anon; Alg == ecdh_anon;
Alg == psk; Alg == dhe_psk; Alg == rsa_psk;
Alg == srp_dss; Alg == srp_rsa; Alg == srp_anon ->
case handle_server_key(KeyExchangeMsg, State0) of
@@ -669,9 +675,20 @@ certify_client_key_exchange(#encrypted_premaster_secret{premaster_secret= EncPMS
certify_client_key_exchange(#client_diffie_hellman_public{dh_public = ClientPublicDhKey},
#state{negotiated_version = Version,
diffie_hellman_params = #'DHParameter'{prime = P,
- base = G},
+ base = G} = Params,
diffie_hellman_keys = {_, ServerDhPrivateKey}} = State0) ->
- case dh_master_secret(crypto:mpint(P), crypto:mpint(G), ClientPublicDhKey, ServerDhPrivateKey, State0) of
+ case dh_master_secret(Params, ClientPublicDhKey, ServerDhPrivateKey, State0) of
+ #state{} = State1 ->
+ {Record, State} = next_record(State1),
+ next_state(certify, cipher, Record, State);
+ #alert{} = Alert ->
+ handle_own_alert(Alert, Version, certify, State0)
+ end;
+
+certify_client_key_exchange(#client_ec_diffie_hellman_public{dh_public = ClientPublicEcDhPoint},
+ #state{negotiated_version = Version,
+ diffie_hellman_keys = ECDHKey} = State0) ->
+ case ec_dh_master_secret(ECDHKey, #'ECPoint'{point = ClientPublicEcDhPoint}, State0) of
#state{} = State1 ->
{Record, State} = next_record(State1),
next_state(certify, cipher, Record, State);
@@ -696,7 +713,7 @@ certify_client_key_exchange(#client_dhe_psk_identity{
diffie_hellman_params = #'DHParameter'{prime = P,
base = G},
diffie_hellman_keys = {_, ServerDhPrivateKey}} = State0) ->
- case dhe_psk_master_secret(ClientPSKIdentity, crypto:mpint(P), crypto:mpint(G), ClientPublicDhKey, ServerDhPrivateKey, State0) of
+ case dhe_psk_master_secret(ClientPSKIdentity, P, G, ClientPublicDhKey, ServerDhPrivateKey, State0) of
#state{} = State1 ->
{Record, State} = next_record(State1),
next_state(certify, cipher, Record, State);
@@ -1278,6 +1295,7 @@ init_private_key(DbHandle, undefined, KeyFile, Password, _) ->
[PemEntry] = [PemEntry || PemEntry = {PKey, _ , _} <- List,
PKey =:= 'RSAPrivateKey' orelse
PKey =:= 'DSAPrivateKey' orelse
+ PKey =:= 'ECPrivateKey' orelse
PKey =:= 'PrivateKeyInfo'
],
private_key(public_key:pem_entry_decode(PemEntry, Password))
@@ -1291,6 +1309,8 @@ init_private_key(_,{rsa, PrivateKey}, _, _,_) ->
init_private_key('RSAPrivateKey', PrivateKey);
init_private_key(_,{dsa, PrivateKey},_,_,_) ->
init_private_key('DSAPrivateKey', PrivateKey);
+init_private_key(_,{ec, PrivateKey},_,_,_) ->
+ init_private_key('ECPrivateKey', PrivateKey);
init_private_key(_,{Asn1Type, PrivateKey},_,_,_) ->
private_key(init_private_key(Asn1Type, PrivateKey)).
@@ -1306,6 +1326,7 @@ private_key(#'PrivateKeyInfo'{privateKeyAlgorithm =
#'PrivateKeyInfo_privateKeyAlgorithm'{algorithm = ?'id-dsa'},
privateKey = Key}) ->
public_key:der_decode('DSAPrivateKey', iolist_to_binary(Key));
+
private_key(Key) ->
Key.
@@ -1357,7 +1378,15 @@ handle_peer_cert(PeerCert, PublicKeyInfo,
State1 = State0#state{session =
Session#session{peer_certificate = PeerCert},
public_key_info = PublicKeyInfo},
- {Record, State} = next_record(State1),
+ State2 = case PublicKeyInfo of
+ {?'id-ecPublicKey', #'ECPoint'{point = _ECPoint} = PublicKey, PublicKeyParams} ->
+ ECDHKey = public_key:generate_key(PublicKeyParams),
+ State3 = State1#state{diffie_hellman_keys = ECDHKey},
+ ec_dh_master_secret(ECDHKey, PublicKey, State3);
+
+ _ -> State1
+ end,
+ {Record, State} = next_record(State2),
next_state(certify, certify, Record, State).
certify_client(#state{client_certificate_requested = true, role = client,
@@ -1407,15 +1436,18 @@ verify_client_cert(#state{client_certificate_requested = true, role = client,
verify_client_cert(#state{client_certificate_requested = false} = State) ->
State.
-do_server_hello(Type, NextProtocolsToSend, #state{negotiated_version = Version,
- session = #session{session_id = SessId},
- connection_states = ConnectionStates0,
- renegotiation = {Renegotiation, _}}
+do_server_hello(Type, NextProtocolsToSend,
+ EcPointFormats, EllipticCurves,
+ #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, NextProtocolsToSend),
+ ConnectionStates0, Renegotiation,
+ NextProtocolsToSend, EcPointFormats, EllipticCurves),
State = server_hello(ServerHello,
State0#state{expecting_next_protocol_negotiation =
NextProtocolsToSend =/= undefined}),
@@ -1547,7 +1579,7 @@ server_hello_done(#state{transport_cb = Transport,
tls_handshake_history = Handshake}.
certify_server(#state{key_algorithm = Algo} = State)
- when Algo == dh_anon; Algo == psk; Algo == dhe_psk; Algo == srp_anon ->
+ when Algo == dh_anon; Algo == ecdh_anon; Algo == psk; Algo == dhe_psk; Algo == srp_anon ->
State;
certify_server(#state{transport_cb = Transport,
@@ -1574,7 +1606,7 @@ 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,
+ diffie_hellman_params = #'DHParameter'{} = Params,
private_key = PrivateKey,
connection_states = ConnectionStates0,
negotiated_version = Version,
@@ -1585,13 +1617,13 @@ key_exchange(#state{role = server, key_algorithm = Algo,
when Algo == dhe_dss;
Algo == dhe_rsa;
Algo == dh_anon ->
- Keys = crypto:dh_generate_key([crypto:mpint(P), crypto:mpint(G)]),
+ DHKeys = public_key:generate_key(Params),
ConnectionState =
ssl_record:pending_connection_state(ConnectionStates0, read),
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Msg = ssl_handshake:key_exchange(server, Version, {dh, Keys, Params,
+ Msg = ssl_handshake:key_exchange(server, Version, {dh, DHKeys, Params,
HashSignAlgo, ClientRandom,
ServerRandom,
PrivateKey}),
@@ -1599,9 +1631,41 @@ key_exchange(#state{role = server, key_algorithm = Algo,
encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
State#state{connection_states = ConnectionStates,
- diffie_hellman_keys = Keys,
+ diffie_hellman_keys = DHKeys,
tls_handshake_history = Handshake};
+key_exchange(#state{role = server, private_key = Key, key_algorithm = Algo} = State)
+ when Algo == ecdh_ecdsa; Algo == ecdh_rsa ->
+ State#state{diffie_hellman_keys = Key};
+key_exchange(#state{role = server, key_algorithm = Algo,
+ hashsign_algorithm = HashSignAlgo,
+ private_key = PrivateKey,
+ connection_states = ConnectionStates0,
+ negotiated_version = Version,
+ tls_handshake_history = Handshake0,
+ socket = Socket,
+ transport_cb = Transport
+ } = State)
+ when Algo == ecdhe_ecdsa; Algo == ecdhe_rsa;
+ Algo == ecdh_anon ->
+
+ ECDHKeys = public_key:generate_key(select_curve(State)),
+ ConnectionState =
+ ssl_record:pending_connection_state(ConnectionStates0, read),
+ SecParams = ConnectionState#connection_state.security_parameters,
+ #security_parameters{client_random = ClientRandom,
+ server_random = ServerRandom} = SecParams,
+ Msg = ssl_handshake:key_exchange(server, Version, {ecdh, ECDHKeys,
+ HashSignAlgo, ClientRandom,
+ ServerRandom,
+ PrivateKey}),
+ {BinMsg, ConnectionStates, Handshake1} =
+ encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
+ Transport:send(Socket, BinMsg),
+ State#state{connection_states = ConnectionStates,
+ diffie_hellman_keys = ECDHKeys,
+ tls_handshake_history = Handshake1};
+
key_exchange(#state{role = server, key_algorithm = psk,
ssl_options = #ssl_options{psk_identity = undefined}} = State) ->
State;
@@ -1633,7 +1697,7 @@ key_exchange(#state{role = server, key_algorithm = psk,
key_exchange(#state{role = server, key_algorithm = dhe_psk,
ssl_options = #ssl_options{psk_identity = PskIdentityHint},
hashsign_algorithm = HashSignAlgo,
- diffie_hellman_params = #'DHParameter'{prime = P, base = G} = Params,
+ diffie_hellman_params = #'DHParameter'{} = Params,
private_key = PrivateKey,
connection_states = ConnectionStates0,
negotiated_version = Version,
@@ -1641,13 +1705,13 @@ key_exchange(#state{role = server, key_algorithm = dhe_psk,
socket = Socket,
transport_cb = Transport
} = State) ->
- Keys = crypto:dh_generate_key([crypto:mpint(P), crypto:mpint(G)]),
+ DHKeys = public_key:generate_key(Params),
ConnectionState =
ssl_record:pending_connection_state(ConnectionStates0, read),
SecParams = ConnectionState#connection_state.security_parameters,
#security_parameters{client_random = ClientRandom,
server_random = ServerRandom} = SecParams,
- Msg = ssl_handshake:key_exchange(server, Version, {dhe_psk, PskIdentityHint, Keys, Params,
+ Msg = ssl_handshake:key_exchange(server, Version, {dhe_psk, PskIdentityHint, DHKeys, Params,
HashSignAlgo, ClientRandom,
ServerRandom,
PrivateKey}),
@@ -1655,7 +1719,7 @@ key_exchange(#state{role = server, key_algorithm = dhe_psk,
encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
Transport:send(Socket, BinMsg),
State#state{connection_states = ConnectionStates,
- diffie_hellman_keys = Keys,
+ diffie_hellman_keys = DHKeys,
tls_handshake_history = Handshake};
key_exchange(#state{role = server, key_algorithm = rsa_psk,
@@ -1756,6 +1820,23 @@ key_exchange(#state{role = client,
tls_handshake_history = Handshake};
key_exchange(#state{role = client,
+ connection_states = ConnectionStates0,
+ key_algorithm = Algorithm,
+ negotiated_version = Version,
+ diffie_hellman_keys = Keys,
+ socket = Socket, transport_cb = Transport,
+ tls_handshake_history = Handshake0} = State)
+ when Algorithm == ecdhe_ecdsa; Algorithm == ecdhe_rsa;
+ Algorithm == ecdh_ecdsa; Algorithm == ecdh_rsa;
+ Algorithm == ecdh_anon ->
+ Msg = ssl_handshake:key_exchange(client, Version, {ecdh, Keys}),
+ {BinMsg, ConnectionStates, Handshake} =
+ encode_handshake(Msg, Version, ConnectionStates0, Handshake0),
+ Transport:send(Socket, BinMsg),
+ State#state{connection_states = ConnectionStates,
+ tls_handshake_history = Handshake};
+
+key_exchange(#state{role = client,
ssl_options = SslOpts,
connection_states = ConnectionStates0,
key_algorithm = psk,
@@ -1936,7 +2017,7 @@ handle_server_key(#server_key_exchange{exchange_keys = Keys},
Params = ssl_handshake:decode_server_key(Keys, KeyAlg, Version),
HashSign = connection_hashsign(Params#server_key_params.hashsign, State),
case HashSign of
- {_, anon} ->
+ {_, SignAlgo} when SignAlgo == anon; SignAlgo == ecdh_anon ->
server_master_secret(Params#server_key_params.params, State);
_ ->
verify_server_key(Params, HashSign, State)
@@ -1969,6 +2050,11 @@ server_master_secret(#server_dh_params{dh_p = P, dh_g = G, dh_y = ServerPublicDh
State) ->
dh_master_secret(P, G, ServerPublicDhKey, undefined, State);
+server_master_secret(#server_ecdh_params{curve = ECCurve, public = ECServerPubKey},
+ State) ->
+ ECDHKeys = public_key:generate_key(ECCurve),
+ ec_dh_master_secret(ECDHKeys, #'ECPoint'{point = ECServerPubKey}, State#state{diffie_hellman_keys = ECDHKeys});
+
server_master_secret(#server_psk_params{
hint = IdentityHint},
State) ->
@@ -2000,17 +2086,23 @@ master_from_premaster_secret(PremasterSecret,
Alert
end.
+dh_master_secret(#'DHParameter'{} = Params, OtherPublicDhKey, MyPrivateKey, State) ->
+ PremasterSecret =
+ public_key:compute_key(OtherPublicDhKey, MyPrivateKey, Params),
+ master_from_premaster_secret(PremasterSecret, State).
+
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});
+ Keys = {_, PrivateDhKey} = crypto:generate_key(dh, [Prime, Base]),
+ dh_master_secret(Prime, Base, PublicDhKey, PrivateDhKey, State#state{diffie_hellman_keys = Keys});
+
+dh_master_secret(Prime, Base, PublicDhKey, PrivateDhKey, State) ->
+ PremasterSecret =
+ crypto:compute_key(dh, PublicDhKey, PrivateDhKey, [Prime, Base]),
+ master_from_premaster_secret(PremasterSecret, State).
-dh_master_secret(PMpint, GMpint, PublicDhKey, PrivateDhKey, State) ->
+ec_dh_master_secret(ECDHKeys, ECPoint, State) ->
PremasterSecret =
- crypto:dh_compute_key(mpint_binary(PublicDhKey), PrivateDhKey,
- [PMpint, GMpint]),
+ public_key:compute_key(ECPoint, ECDHKeys),
master_from_premaster_secret(PremasterSecret, State).
handle_psk_identity(_PSKIdentity, LookupFun)
@@ -2033,20 +2125,18 @@ server_psk_master_secret(ClientPSKIdentity,
end.
dhe_psk_master_secret(PSKIdentity, Prime, Base, PublicDhKey, undefined, State) ->
- PMpint = mpint_binary(Prime),
- GMpint = mpint_binary(Base),
Keys = {_, PrivateDhKey} =
- crypto:dh_generate_key([PMpint,GMpint]),
- dhe_psk_master_secret(PSKIdentity, PMpint, GMpint, PublicDhKey, PrivateDhKey,
+ crypto:generate_key(dh, [Prime, Base]),
+ dhe_psk_master_secret(PSKIdentity, Prime, Base, PublicDhKey, PrivateDhKey,
State#state{diffie_hellman_keys = Keys});
-dhe_psk_master_secret(PSKIdentity, PMpint, GMpint, PublicDhKey, PrivateDhKey,
+dhe_psk_master_secret(PSKIdentity, Prime, Base, PublicDhKey, PrivateDhKey,
#state{ssl_options = SslOpts} = State) ->
case handle_psk_identity(PSKIdentity, SslOpts#ssl_options.user_lookup_fun) of
{ok, PSK} when is_binary(PSK) ->
DHSecret =
- crypto:dh_compute_key(mpint_binary(PublicDhKey), PrivateDhKey,
- [PMpint, GMpint]),
+ crypto:compute_key(dh, PublicDhKey, PrivateDhKey,
+ [Prime, Base]),
DHLen = erlang:byte_size(DHSecret),
Len = erlang:byte_size(PSK),
PremasterSecret = <<?UINT16(DHLen), DHSecret/binary, ?UINT16(Len), PSK/binary>>,
@@ -2075,7 +2165,7 @@ generate_srp_server_keys(_SrpParams, 10) ->
generate_srp_server_keys(SrpParams =
#srp_user{generator = Generator, prime = Prime,
verifier = Verifier}, N) ->
- case crypto:srp_generate_key(Verifier, Generator, Prime, '6a') of
+ case crypto:generate_key(srp, {host, [Verifier, Generator, Prime, '6a']}) of
error ->
generate_srp_server_keys(SrpParams, N+1);
Keys ->
@@ -2086,7 +2176,7 @@ generate_srp_client_keys(_Generator, _Prime, 10) ->
?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER);
generate_srp_client_keys(Generator, Prime, N) ->
- case crypto:srp_generate_key(Generator, Prime, '6a') of
+ case crypto:generate_key(srp, {user, [Generator, Prime, '6a']}) of
error ->
generate_srp_client_keys(Generator, Prime, N+1);
Keys ->
@@ -2098,7 +2188,7 @@ handle_srp_identity(Username, {Fun, UserState}) ->
{ok, {SRPParams, Salt, DerivedKey}}
when is_atom(SRPParams), is_binary(Salt), is_binary(DerivedKey) ->
{Generator, Prime} = ssl_srp_primes:get_srp_params(SRPParams),
- Verifier = crypto:mod_exp_prime(Generator, DerivedKey, Prime),
+ Verifier = crypto:mod_pow(Generator, DerivedKey, Prime),
#srp_user{generator = Generator, prime = Prime,
salt = Salt, verifier = Verifier};
#alert{} = Alert ->
@@ -2107,8 +2197,8 @@ handle_srp_identity(Username, {Fun, UserState}) ->
throw(?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER))
end.
-server_srp_master_secret(Verifier, Prime, ClientPub, State = #state{srp_keys = {ServerPub, ServerPriv}}) ->
- case crypto:srp_compute_key(Verifier, Prime, ClientPub, ServerPub, ServerPriv, '6a') of
+server_srp_master_secret(Verifier, Prime, ClientPub, State = #state{srp_keys = ServerKeys}) ->
+ case crypto:compute_key(srp, ClientPub, ServerKeys, {host, [Verifier, Prime, '6a']}) of
error ->
?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER);
PremasterSecret ->
@@ -2121,14 +2211,13 @@ client_srp_master_secret(Generator, Prime, Salt, ServerPub, undefined, State) ->
Keys = generate_srp_client_keys(Generator, Prime, 0),
client_srp_master_secret(Generator, Prime, Salt, ServerPub, Keys, State#state{srp_keys = Keys});
-client_srp_master_secret(Generator, Prime, Salt, ServerPub, {ClientPub, ClientPriv},
- #state{ssl_options = SslOpts} = State) ->
+client_srp_master_secret(Generator, Prime, Salt, ServerPub, ClientKeys,
+ #state{ssl_options = SslOpts} = State) ->
case ssl_srp_primes:check_srp_params(Generator, Prime) of
ok ->
{Username, Password} = SslOpts#ssl_options.srp_identity,
DerivedKey = crypto:sha([Salt, crypto:sha([Username, <<$:>>, Password])]),
-
- case crypto:srp_compute_key(DerivedKey, Prime, Generator, ClientPub, ClientPriv, ServerPub, '6a') of
+ case crypto:compute_key(srp, ServerPub, ClientKeys, {user, [DerivedKey, Prime, Generator, '6a']}) of
error ->
?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER);
PremasterSecret ->
@@ -2798,11 +2887,6 @@ make_premaster_secret({MajVer, MinVer}, rsa) ->
make_premaster_secret(_, _) ->
undefined.
-mpint_binary(Binary) ->
- Size = erlang:byte_size(Binary),
- <<?UINT32(Size), Binary/binary>>.
-
-
ack_connection(#state{renegotiation = {true, Initiater}} = State)
when Initiater == internal;
Initiater == peer ->
@@ -2938,21 +3022,29 @@ default_hashsign(_Version = {Major, Minor}, KeyExchange)
(KeyExchange == rsa orelse
KeyExchange == dhe_rsa orelse
KeyExchange == dh_rsa orelse
+ KeyExchange == ecdhe_rsa orelse
KeyExchange == srp_rsa) ->
{sha, rsa};
default_hashsign(_Version, KeyExchange)
when KeyExchange == rsa;
KeyExchange == dhe_rsa;
KeyExchange == dh_rsa;
+ KeyExchange == ecdhe_rsa;
KeyExchange == srp_rsa ->
{md5sha, rsa};
default_hashsign(_Version, KeyExchange)
+ when KeyExchange == ecdhe_ecdsa;
+ KeyExchange == ecdh_ecdsa;
+ KeyExchange == ecdh_rsa ->
+ {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;
@@ -2987,3 +3079,8 @@ handle_close_alert(Data, StateName, State0) ->
_ ->
ok
end.
+
+select_curve(#state{client_ecc = {[Curve|_], _}}) ->
+ {namedCurve, Curve};
+select_curve(_) ->
+ {namedCurve, ?secp256k1}.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 04:42:57 +0000