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-rw-r--r--lib/ssl/src/ssl_connection.erl163
1 files changed, 149 insertions, 14 deletions
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index fa64915fd0..aa02c47a3d 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -416,11 +416,13 @@ 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});
#alert{} = Alert ->
handle_own_alert(Alert, ClientVersion, hello, State)
end;
@@ -533,7 +535,9 @@ 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
@@ -679,6 +683,17 @@ certify_client_key_exchange(#client_diffie_hellman_public{dh_public = ClientPubl
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 = {'ECKey', ECDHKey}} = State0) ->
+ case ec_dh_master_secret(ECDHKey, ClientPublicEcDhPoint, 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_psk_identity{identity = ClientPSKIdentity},
#state{negotiated_version = Version} = State0) ->
case server_psk_master_secret(ClientPSKIdentity, State0) of
@@ -1278,6 +1293,7 @@ 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 +1307,8 @@ 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)).
@@ -1306,9 +1324,29 @@ private_key(#'PrivateKeyInfo'{privateKeyAlgorithm =
#'PrivateKeyInfo_privateKeyAlgorithm'{algorithm = ?'id-dsa'},
privateKey = Key}) ->
public_key:der_decode('DSAPrivateKey', iolist_to_binary(Key));
+
+private_key(#'ECPrivateKey'{privateKey = PrivKey,
+ parameters = Param,
+ publicKey = _PubKey}) ->
+ ECCurve = case Param of
+ #'OTPECParameters'{ fieldID = FieldId, curve = PCurve, base = Base, order = Order, cofactor = CoFactor } ->
+ Field = {pubkey_cert_records:supportedCurvesTypes(FieldId#'OTPFieldID'.fieldType), FieldId#'OTPFieldID'.parameters},
+ Curve = {list2int(PCurve#'Curve'.a), list2int(PCurve#'Curve'.b), none},
+ {Field, Curve, erlang:list_to_binary(Base), Order, CoFactor};
+ {namedCurve, OID} ->
+ pubkey_cert_records:namedCurves(OID)
+ end,
+ Key = {ECCurve, list2int(PrivKey), undefined},
+ {'ECKey', crypto:term_to_ec_key(Key)};
+
private_key(Key) ->
Key.
+list2int(L) ->
+ S = length(L) * 8,
+ <<R:S/integer>> = erlang:iolist_to_binary(L),
+ R.
+
-spec(file_error(_,_) -> no_return()).
file_error(File, Throw) ->
case Throw of
@@ -1357,7 +1395,25 @@ 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', PublicKey}, PublicKeyParams} ->
+ ECCurve = case PublicKeyParams of
+ #'OTPECParameters'{ fieldID = FieldId, curve = PCurve, base = Base, order = Order, cofactor = CoFactor } ->
+ Field = {pubkey_cert_records:supportedCurvesTypes(FieldId#'OTPFieldID'.fieldType), FieldId#'OTPFieldID'.parameters},
+ Curve = {list2int(PCurve#'Curve'.a), list2int(PCurve#'Curve'.b), none},
+ {Field, Curve, erlang:list_to_binary(Base), Order, CoFactor};
+ {namedCurve, OID} ->
+ pubkey_cert_records:namedCurves(OID)
+ end,
+ %% Generate Client ECDH Key
+ ECClntKey = crypto:ec_key_new(ECCurve),
+ crypto:ec_key_generate(ECClntKey),
+ State3 = State1#state{diffie_hellman_keys = {'ECKey', ECClntKey}},
+ ec_dh_master_secret(ECClntKey, 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 +1463,18 @@ 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 +1606,7 @@ 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,
@@ -1602,6 +1661,43 @@ key_exchange(#state{role = server, key_algorithm = Algo,
diffie_hellman_keys = Keys,
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 ->
+ %%TODO: select prefered curve from extension
+
+ %% Generate Server ECDH Key
+ ECDHKey = crypto:ec_key_new(secp256k1),
+ crypto:ec_key_generate(ECDHKey),
+ Keys = {'ECKey', ECDHKey},
+
+ 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, Keys,
+ 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 = Keys,
+ tls_handshake_history = Handshake1};
+
key_exchange(#state{role = server, key_algorithm = psk,
ssl_options = #ssl_options{psk_identity = undefined}} = State) ->
State;
@@ -1756,6 +1852,23 @@ 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 +2049,7 @@ 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 +2082,15 @@ 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) ->
+ %% Generate Client ECDH Key
+ ECClntKey = crypto:ec_key_new(ECCurve),
+ crypto:ec_key_generate(ECClntKey),
+ State1 = State#state{diffie_hellman_keys = {'ECKey', ECClntKey}},
+
+ ec_dh_master_secret(ECClntKey, ECServerPubKey, State1);
+
server_master_secret(#server_psk_params{
hint = IdentityHint},
State) ->
@@ -2013,6 +2135,11 @@ dh_master_secret(PMpint, GMpint, PublicDhKey, PrivateDhKey, State) ->
[PMpint, GMpint]),
master_from_premaster_secret(PremasterSecret, State).
+ec_dh_master_secret(ECKey, ECPoint, State) ->
+ PremasterSecret =
+ crypto:ecdh_compute_key(ECKey, ECPoint),
+ master_from_premaster_secret(PremasterSecret, State).
+
handle_psk_identity(_PSKIdentity, LookupFun)
when LookupFun == undefined ->
error;
@@ -2938,21 +3065,29 @@ 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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-02 18:02:56 +0000