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authorAndreas Schultz <[email protected]>2013-05-14 18:39:23 +0200
committerAndreas Schultz <[email protected]>2017-07-21 17:34:34 +0200
commit7c79233caa18a93952c2caa6ffc2ebca51707a41 (patch)
tree398400d865e0209bf171b7316f9d912b300f5da5 /lib/ssl/src
parent9214be49bc81a4f9ce9def091f60df8670547a88 (diff)
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ssl: add ECDHE_PSK cipher suites
Diffstat (limited to 'lib/ssl/src')
-rw-r--r--lib/ssl/src/ssl_cipher.erl68
-rw-r--r--lib/ssl/src/ssl_cipher.hrl37
-rw-r--r--lib/ssl/src/ssl_connection.erl63
-rw-r--r--lib/ssl/src/ssl_handshake.erl85
-rw-r--r--lib/ssl/src/ssl_handshake.hrl11
5 files changed, 257 insertions, 7 deletions
diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl
index bd60197c88..afb6e38710 100644
--- a/lib/ssl/src/ssl_cipher.erl
+++ b/lib/ssl/src/ssl_cipher.erl
@@ -376,27 +376,33 @@ psk_suites(N)
?TLS_DHE_PSK_WITH_AES_256_GCM_SHA384,
?TLS_RSA_PSK_WITH_AES_256_GCM_SHA384,
?TLS_PSK_WITH_AES_256_GCM_SHA384,
+ ?TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384,
?TLS_DHE_PSK_WITH_AES_256_CBC_SHA384,
?TLS_RSA_PSK_WITH_AES_256_CBC_SHA384,
?TLS_PSK_WITH_AES_256_CBC_SHA384,
?TLS_DHE_PSK_WITH_AES_128_GCM_SHA256,
?TLS_RSA_PSK_WITH_AES_128_GCM_SHA256,
?TLS_PSK_WITH_AES_128_GCM_SHA256,
+ ?TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256,
?TLS_DHE_PSK_WITH_AES_128_CBC_SHA256,
?TLS_RSA_PSK_WITH_AES_128_CBC_SHA256,
?TLS_PSK_WITH_AES_128_CBC_SHA256
] ++ psk_suites(0);
psk_suites(_) ->
- [?TLS_DHE_PSK_WITH_AES_256_CBC_SHA,
+ [?TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA,
+ ?TLS_DHE_PSK_WITH_AES_256_CBC_SHA,
?TLS_RSA_PSK_WITH_AES_256_CBC_SHA,
?TLS_PSK_WITH_AES_256_CBC_SHA,
+ ?TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA,
?TLS_DHE_PSK_WITH_AES_128_CBC_SHA,
?TLS_RSA_PSK_WITH_AES_128_CBC_SHA,
?TLS_PSK_WITH_AES_128_CBC_SHA,
+ ?TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA,
?TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA,
?TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA,
?TLS_PSK_WITH_3DES_EDE_CBC_SHA,
+ ?TLS_ECDHE_PSK_WITH_RC4_128_SHA,
?TLS_DHE_PSK_WITH_RC4_128_SHA,
?TLS_RSA_PSK_WITH_RC4_128_SHA,
?TLS_PSK_WITH_RC4_128_SHA].
@@ -563,6 +569,15 @@ suite_definition(?TLS_RSA_PSK_WITH_AES_128_CBC_SHA) ->
suite_definition(?TLS_RSA_PSK_WITH_AES_256_CBC_SHA) ->
{rsa_psk, aes_256_cbc, sha, default_prf};
+%%% PSK NULL Cipher Suites RFC 4785
+
+suite_definition(?TLS_PSK_WITH_NULL_SHA) ->
+ {psk, null, sha, default_prf};
+suite_definition(?TLS_DHE_PSK_WITH_NULL_SHA) ->
+ {dhe_psk, null, sha, default_prf};
+suite_definition(?TLS_RSA_PSK_WITH_NULL_SHA) ->
+ {rsa_psk, null, sha, default_prf};
+
%%% TLS 1.2 PSK Cipher Suites RFC 5487
suite_definition(?TLS_PSK_WITH_AES_128_GCM_SHA256) ->
@@ -604,6 +619,26 @@ suite_definition(?TLS_RSA_PSK_WITH_NULL_SHA256) ->
suite_definition(?TLS_RSA_PSK_WITH_NULL_SHA384) ->
{rsa_psk, null, sha384, default_prf};
+%%% ECDHE PSK Cipher Suites RFC 5489
+
+suite_definition(?TLS_ECDHE_PSK_WITH_RC4_128_SHA) ->
+ {ecdhe_psk, rc4_128, sha, default_prf};
+suite_definition(?TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA) ->
+ {ecdhe_psk, '3des_ede_cbc', sha, default_prf};
+suite_definition(?TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA) ->
+ {ecdhe_psk, aes_128_cbc, sha, default_prf};
+suite_definition(?TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA) ->
+ {ecdhe_psk, aes_256_cbc, sha, default_prf};
+suite_definition(?TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256) ->
+ {ecdhe_psk, aes_128_cbc, sha256, default_prf};
+suite_definition(?TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384) ->
+ {ecdhe_psk, aes_256_cbc, sha384, default_prf};
+suite_definition(?TLS_ECDHE_PSK_WITH_NULL_SHA256) ->
+ {ecdhe_psk, null, sha256, default_prf};
+suite_definition(?TLS_ECDHE_PSK_WITH_NULL_SHA384) ->
+ {ecdhe_psk, null, sha384, default_prf};
+
+
%%% SRP Cipher Suites RFC 5054
suite_definition(?TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA) ->
@@ -865,6 +900,15 @@ suite({rsa_psk, aes_128_cbc,sha}) ->
suite({rsa_psk, aes_256_cbc,sha}) ->
?TLS_RSA_PSK_WITH_AES_256_CBC_SHA;
+%%% PSK NULL Cipher Suites RFC 4785
+
+suite({psk, null, sha}) ->
+ ?TLS_PSK_WITH_NULL_SHA;
+suite({dhe_psk, null, sha}) ->
+ ?TLS_DHE_PSK_WITH_NULL_SHA;
+suite({rsa_psk, null, sha}) ->
+ ?TLS_RSA_PSK_WITH_NULL_SHA;
+
%%% TLS 1.2 PSK Cipher Suites RFC 5487
suite({psk, aes_128_gcm, null, sha256}) ->
@@ -906,6 +950,25 @@ suite({rsa_psk, null, sha256}) ->
suite({rsa_psk, null, sha384}) ->
?TLS_RSA_PSK_WITH_NULL_SHA384;
+%%% ECDHE PSK Cipher Suites RFC 5489
+
+suite({ecdhe_psk, rc4_128,sha}) ->
+ ?TLS_ECDHE_PSK_WITH_RC4_128_SHA;
+suite({ecdhe_psk, '3des_ede_cbc',sha}) ->
+ ?TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA;
+suite({ecdhe_psk, aes_128_cbc,sha}) ->
+ ?TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA;
+suite({ecdhe_psk, aes_256_cbc,sha}) ->
+ ?TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA;
+suite({ecdhe_psk, aes_128_cbc, sha256}) ->
+ ?TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256;
+suite({ecdhe_psk, aes_256_cbc, sha384}) ->
+ ?TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384;
+suite({ecdhe_psk, null, sha256}) ->
+ ?TLS_ECDHE_PSK_WITH_NULL_SHA256;
+suite({ecdhe_psk, null, sha384}) ->
+ ?TLS_ECDHE_PSK_WITH_NULL_SHA384;
+
%%% SRP Cipher Suites RFC 5054
suite({srp_anon, '3des_ede_cbc', sha}) ->
@@ -1465,7 +1528,8 @@ is_acceptable_keyexchange(dhe_dss, Algos) ->
is_acceptable_keyexchange(dhe_rsa, Algos) ->
proplists:get_bool(dh, Algos) andalso
proplists:get_bool(rsa, Algos);
-is_acceptable_keyexchange(ecdh_anon, Algos) ->
+is_acceptable_keyexchange(KeyExchange, Algos) when KeyExchange == ecdh_anon;
+ KeyExchange == ecdhe_psk ->
proplists:get_bool(ecdh, Algos);
is_acceptable_keyexchange(KeyExchange, Algos) when KeyExchange == ecdh_ecdsa;
KeyExchange == ecdhe_ecdsa ->
diff --git a/lib/ssl/src/ssl_cipher.hrl b/lib/ssl/src/ssl_cipher.hrl
index 8e8f3d9c67..3b3be4c164 100644
--- a/lib/ssl/src/ssl_cipher.hrl
+++ b/lib/ssl/src/ssl_cipher.hrl
@@ -399,6 +399,17 @@
%% TLS_RSA_PSK_WITH_AES_256_CBC_SHA = { 0x00, 0x95 };
-define(TLS_RSA_PSK_WITH_AES_256_CBC_SHA, <<?BYTE(16#00), ?BYTE(16#95)>>).
+%%% PSK NULL Cipher Suites RFC 4785
+
+%% TLS_PSK_WITH_NULL_SHA = { 0x00, 0x2C };
+-define(TLS_PSK_WITH_NULL_SHA, <<?BYTE(16#00), ?BYTE(16#2C)>>).
+
+%% TLS_DHE_PSK_WITH_NULL_SHA = { 0x00, 0x2D };
+-define(TLS_DHE_PSK_WITH_NULL_SHA, <<?BYTE(16#00), ?BYTE(16#2D)>>).
+
+%% TLS_RSA_PSK_WITH_NULL_SHA = { 0x00, 0x2E };
+-define(TLS_RSA_PSK_WITH_NULL_SHA, <<?BYTE(16#00), ?BYTE(16#2E)>>).
+
%%% TLS 1.2 PSK Cipher Suites RFC 5487
%% TLS_PSK_WITH_AES_128_GCM_SHA256 = {0x00,0xA8};
@@ -455,6 +466,32 @@
%% TLS_RSA_PSK_WITH_NULL_SHA384 = {0x00,0xB9};
-define(TLS_RSA_PSK_WITH_NULL_SHA384, <<?BYTE(16#00), ?BYTE(16#B9)>>).
+%%% ECDHE PSK Cipher Suites RFC 5489
+
+%% TLS_ECDHE_PSK_WITH_RC4_128_SHA = {0xC0,0x33};
+-define(TLS_ECDHE_PSK_WITH_RC4_128_SHA, <<?BYTE(16#C0), ?BYTE(16#33)>>).
+
+%% TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA = {0xC0,0x34};
+-define(TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA, <<?BYTE(16#C0), ?BYTE(16#34)>>).
+
+%% TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA = {0xC0,0x35};
+-define(TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA, <<?BYTE(16#C0), ?BYTE(16#35)>>).
+
+%% TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA = {0xC0,0x36};
+-define(TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA, <<?BYTE(16#C0), ?BYTE(16#36)>>).
+
+%% TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 = {0xC0,0x37};
+-define(TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256, <<?BYTE(16#C0), ?BYTE(16#37)>>).
+
+%% TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 = {0xC0,0x38};
+-define(TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384, <<?BYTE(16#C0), ?BYTE(16#38)>>).
+
+%% TLS_ECDHE_PSK_WITH_NULL_SHA256 = {0xC0,0x3A};
+-define(TLS_ECDHE_PSK_WITH_NULL_SHA256, <<?BYTE(16#C0), ?BYTE(16#3A)>>).
+
+%% TLS_ECDHE_PSK_WITH_NULL_SHA384 = {0xC0,0x3B};
+-define(TLS_ECDHE_PSK_WITH_NULL_SHA384, <<?BYTE(16#C0), ?BYTE(16#3B)>>).
+
%%% SRP Cipher Suites RFC 5054
%% TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA = { 0xC0,0x1A };
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index eaa0058337..3ec1d0ffd7 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -517,7 +517,7 @@ certify(internal, #server_key_exchange{exchange_keys = Keys},
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 == psk; Alg == dhe_psk; Alg == ecdhe_psk; Alg == rsa_psk;
Alg == srp_dss; Alg == srp_rsa; Alg == srp_anon ->
Params = ssl_handshake:decode_server_key(Keys, Alg, ssl:tls_version(Version)),
@@ -546,7 +546,7 @@ certify(internal, #certificate_request{},
#state{role = client, negotiated_version = Version,
key_algorithm = Alg} = State, _)
when Alg == dh_anon; Alg == ecdh_anon;
- Alg == psk; Alg == dhe_psk; Alg == rsa_psk;
+ Alg == psk; Alg == dhe_psk; Alg == ecdhe_psk; Alg == rsa_psk;
Alg == srp_dss; Alg == srp_rsa; Alg == srp_anon ->
handle_own_alert(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE),
Version, certify, State);
@@ -1403,6 +1403,16 @@ certify_client_key_exchange(#client_dhe_psk_identity{} = ClientKey,
PremasterSecret =
ssl_handshake:premaster_secret(ClientKey, ServerDhPrivateKey, Params, PSKLookup),
calculate_master_secret(PremasterSecret, State0, Connection, certify, cipher);
+
+certify_client_key_exchange(#client_ecdhe_psk_identity{} = ClientKey,
+ #state{diffie_hellman_keys = ServerEcDhPrivateKey,
+ ssl_options =
+ #ssl_options{user_lookup_fun = PSKLookup}} = State,
+ Connection) ->
+ PremasterSecret =
+ ssl_handshake:premaster_secret(ClientKey, ServerEcDhPrivateKey, PSKLookup),
+ calculate_master_secret(PremasterSecret, State, Connection, certify, cipher);
+
certify_client_key_exchange(#client_rsa_psk_identity{} = ClientKey,
#state{private_key = Key,
ssl_options =
@@ -1422,6 +1432,7 @@ certify_server(#state{key_algorithm = Algo} = State, _) when Algo == dh_anon;
Algo == ecdh_anon;
Algo == psk;
Algo == dhe_psk;
+ Algo == ecdhe_psk;
Algo == srp_anon ->
State;
@@ -1528,6 +1539,28 @@ key_exchange(#state{role = server, key_algorithm = dhe_psk,
State = Connection:queue_handshake(Msg, State0),
State#state{diffie_hellman_keys = DHKeys};
+key_exchange(#state{role = server, key_algorithm = ecdhe_psk,
+ ssl_options = #ssl_options{psk_identity = PskIdentityHint},
+ hashsign_algorithm = HashSignAlgo,
+ private_key = PrivateKey,
+ session = #session{ecc = ECCCurve},
+ connection_states = ConnectionStates0,
+ negotiated_version = Version
+ } = State0, Connection) ->
+ ECDHKeys = public_key:generate_key(ECCCurve),
+ #{security_parameters := SecParams} =
+ ssl_record:pending_connection_state(ConnectionStates0, read),
+ #security_parameters{client_random = ClientRandom,
+ server_random = ServerRandom} = SecParams,
+ Msg = ssl_handshake:key_exchange(server, ssl:tls_version(Version),
+ {ecdhe_psk,
+ PskIdentityHint, ECDHKeys,
+ HashSignAlgo, ClientRandom,
+ ServerRandom,
+ PrivateKey}),
+ State = Connection:queue_handshake(Msg, State0),
+ State#state{diffie_hellman_keys = ECDHKeys};
+
key_exchange(#state{role = server, key_algorithm = rsa_psk,
ssl_options = #ssl_options{psk_identity = undefined}} = State, _) ->
State;
@@ -1626,6 +1659,17 @@ key_exchange(#state{role = client,
{dhe_psk,
SslOpts#ssl_options.psk_identity, DhPubKey}),
Connection:queue_handshake(Msg, State0);
+
+key_exchange(#state{role = client,
+ ssl_options = SslOpts,
+ key_algorithm = ecdhe_psk,
+ negotiated_version = Version,
+ diffie_hellman_keys = ECDHKeys} = State0, Connection) ->
+ Msg = ssl_handshake:key_exchange(client, ssl:tls_version(Version),
+ {ecdhe_psk,
+ SslOpts#ssl_options.psk_identity, ECDHKeys}),
+ Connection:queue_handshake(Msg, State0);
+
key_exchange(#state{role = client,
ssl_options = SslOpts,
key_algorithm = rsa_psk,
@@ -1683,7 +1727,7 @@ rsa_psk_key_exchange(_, _, _, _) ->
request_client_cert(#state{key_algorithm = Alg} = State, _)
when Alg == dh_anon; Alg == ecdh_anon;
- Alg == psk; Alg == dhe_psk; Alg == rsa_psk;
+ Alg == psk; Alg == dhe_psk; Alg == ecdhe_psk; Alg == rsa_psk;
Alg == srp_dss; Alg == srp_rsa; Alg == srp_anon ->
State;
@@ -1808,6 +1852,18 @@ calculate_secret(#server_dhe_psk_params{
calculate_master_secret(PremasterSecret, State#state{diffie_hellman_keys = Keys},
Connection, certify, certify);
+calculate_secret(#server_ecdhe_psk_params{
+ dh_params = #server_ecdh_params{curve = ECCurve}} = ServerKey,
+ #state{ssl_options = #ssl_options{user_lookup_fun = PSKLookup}} =
+ State=#state{session=Session}, Connection) ->
+ ECDHKeys = public_key:generate_key(ECCurve),
+
+ PremasterSecret = ssl_handshake:premaster_secret(ServerKey, ECDHKeys, PSKLookup),
+ calculate_master_secret(PremasterSecret,
+ State#state{diffie_hellman_keys = ECDHKeys,
+ session = Session#session{ecc = ECCurve}},
+ Connection, certify, certify);
+
calculate_secret(#server_srp_params{srp_n = Prime, srp_g = Generator} = ServerKey,
#state{ssl_options = #ssl_options{srp_identity = SRPId}} = State,
Connection) ->
@@ -1892,6 +1948,7 @@ is_anonymous(Algo) when Algo == dh_anon;
Algo == ecdh_anon;
Algo == psk;
Algo == dhe_psk;
+ Algo == ecdhe_psk;
Algo == rsa_psk;
Algo == srp_anon ->
true;
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index b1661624b5..fc4181a760 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -227,6 +227,7 @@ certificate_request(CipherSuite, CertDbHandle, CertDbRef, HashSigns, Version) ->
{ecdh, #'ECPrivateKey'{}} |
{psk, binary()} |
{dhe_psk, binary(), binary()} |
+ {ecdhe_psk, binary(), #'ECPrivateKey'{}} |
{srp, {binary(), binary()}, #srp_user{}, {HashAlgo::atom(), SignAlgo::atom()},
binary(), binary(), public_key:private_key()}) ->
#client_key_exchange{} | #server_key_exchange{}.
@@ -264,6 +265,13 @@ key_exchange(client, _Version, {dhe_psk, Identity, PublicKey}) ->
dh_public = PublicKey}
};
+key_exchange(client, _Version, {ecdhe_psk, Identity, #'ECPrivateKey'{publicKey = ECPublicKey}}) ->
+ #client_key_exchange{
+ exchange_keys = #client_ecdhe_psk_identity{
+ identity = Identity,
+ dh_public = ECPublicKey}
+ };
+
key_exchange(client, _Version, {psk_premaster_secret, PskIdentity, Secret, {_, PublicKey, _}}) ->
EncPremasterSecret =
encrypted_premaster_secret(Secret, PublicKey),
@@ -310,6 +318,16 @@ key_exchange(server, Version, {dhe_psk, PskIdentityHint, {PublicKey, _},
enc_server_key_exchange(Version, ServerEDHPSKParams,
HashSign, ClientRandom, ServerRandom, PrivateKey);
+key_exchange(server, Version, {ecdhe_psk, PskIdentityHint,
+ #'ECPrivateKey'{publicKey = ECPublicKey,
+ parameters = ECCurve},
+ HashSign, ClientRandom, ServerRandom, PrivateKey}) ->
+ ServerECDHEPSKParams = #server_ecdhe_psk_params{
+ hint = PskIdentityHint,
+ dh_params = #server_ecdh_params{curve = ECCurve, public = ECPublicKey}},
+ enc_server_key_exchange(Version, ServerECDHEPSKParams, HashSign,
+ ClientRandom, ServerRandom, PrivateKey);
+
key_exchange(server, Version, {srp, {PublicKey, _},
#srp_user{generator = Generator, prime = Prime,
salt = Salt},
@@ -532,14 +550,31 @@ premaster_secret(#server_dhe_psk_params{
LookupFun) ->
PremasterSecret = premaster_secret(PublicDhKey, PrivateDhKey, Params),
psk_secret(IdentityHint, LookupFun, PremasterSecret);
+
+premaster_secret(#server_ecdhe_psk_params{
+ hint = IdentityHint,
+ dh_params = #server_ecdh_params{
+ public = ECServerPubKey}},
+ PrivateEcDhKey,
+ LookupFun) ->
+ PremasterSecret = premaster_secret(#'ECPoint'{point = ECServerPubKey}, PrivateEcDhKey),
+ psk_secret(IdentityHint, LookupFun, PremasterSecret);
+
premaster_secret({rsa_psk, PSKIdentity}, PSKLookup, RSAPremasterSecret) ->
- psk_secret(PSKIdentity, PSKLookup, RSAPremasterSecret).
+ psk_secret(PSKIdentity, PSKLookup, RSAPremasterSecret);
+
+premaster_secret(#client_ecdhe_psk_identity{
+ identity = PSKIdentity,
+ dh_public = PublicEcDhPoint}, PrivateEcDhKey, PSKLookup) ->
+ PremasterSecret = premaster_secret(#'ECPoint'{point = PublicEcDhPoint}, PrivateEcDhKey),
+ psk_secret(PSKIdentity, PSKLookup, PremasterSecret).
premaster_secret(#client_dhe_psk_identity{
identity = PSKIdentity,
dh_public = PublicDhKey}, PrivateKey, #'DHParameter'{} = Params, PSKLookup) ->
PremasterSecret = premaster_secret(PublicDhKey, PrivateKey, Params),
psk_secret(PSKIdentity, PSKLookup, PremasterSecret).
+
premaster_secret(#client_psk_identity{identity = PSKIdentity}, PSKLookup) ->
psk_secret(PSKIdentity, PSKLookup);
premaster_secret({psk, PSKIdentity}, PSKLookup) ->
@@ -887,6 +922,7 @@ enc_server_key_exchange(Version, Params, {HashAlgo, SignAlgo},
| #client_ec_diffie_hellman_public{}
| #client_psk_identity{}
| #client_dhe_psk_identity{}
+ | #client_ecdhe_psk_identity{}
| #client_rsa_psk_identity{}
| #client_srp_public{}.
%%
@@ -1048,6 +1084,7 @@ dec_server_key(<<?UINT16(Len), PskIdentityHint:Len/binary, _/binary>> = KeyStruc
params_bin = BinMsg,
hashsign = HashSign,
signature = Signature};
+
dec_server_key(<<?UINT16(Len), IdentityHint:Len/binary,
?UINT16(PLen), P:PLen/binary,
?UINT16(GLen), G:GLen/binary,
@@ -1062,6 +1099,22 @@ dec_server_key(<<?UINT16(Len), IdentityHint:Len/binary,
params_bin = BinMsg,
hashsign = HashSign,
signature = Signature};
+dec_server_key(<<?UINT16(Len), IdentityHint:Len/binary,
+ ?BYTE(?NAMED_CURVE), ?UINT16(CurveID),
+ ?BYTE(PointLen), ECPoint:PointLen/binary,
+ _/binary>> = KeyStruct,
+ ?KEY_EXCHANGE_EC_DIFFIE_HELLMAN_PSK, Version) ->
+ DHParams = #server_ecdh_params{
+ curve = {namedCurve, tls_v1:enum_to_oid(CurveID)},
+ public = ECPoint},
+ Params = #server_ecdhe_psk_params{
+ hint = IdentityHint,
+ dh_params = DHParams},
+ {BinMsg, HashSign, Signature} = dec_server_key_params(Len + 2 + PointLen + 4, KeyStruct, Version),
+ #server_key_params{params = Params,
+ params_bin = BinMsg,
+ hashsign = HashSign,
+ signature = Signature};
dec_server_key(<<?UINT16(NLen), N:NLen/binary,
?UINT16(GLen), G:GLen/binary,
?BYTE(SLen), S:SLen/binary,
@@ -1132,7 +1185,8 @@ filter_hashsigns([Suite | Suites], [{KeyExchange,_,_,_} | Algos], HashSigns, Acc
KeyExchange == ecdh_anon;
KeyExchange == srp_anon;
KeyExchange == psk;
- KeyExchange == dhe_psk ->
+ KeyExchange == dhe_psk;
+ KeyExchange == ecdhe_psk ->
%% In this case hashsigns is not used as the kexchange is anonaymous
filter_hashsigns(Suites, Algos, HashSigns, [Suite| Acc]).
@@ -1496,6 +1550,8 @@ advertises_ec_ciphers([{ecdhe_rsa, _,_,_} | _]) ->
true;
advertises_ec_ciphers([{ecdh_anon, _,_,_} | _]) ->
true;
+advertises_ec_ciphers([{ecdhe_psk, _,_,_} | _]) ->
+ true;
advertises_ec_ciphers([_| Rest]) ->
advertises_ec_ciphers(Rest).
@@ -1790,6 +1846,18 @@ encode_server_key(#server_dhe_psk_params{
YLen = byte_size(Y),
<<?UINT16(Len), PskIdentityHint/binary,
?UINT16(PLen), P/binary, ?UINT16(GLen), G/binary, ?UINT16(YLen), Y/binary>>;
+encode_server_key(Params = #server_ecdhe_psk_params{hint = undefined}) ->
+ encode_server_key(Params#server_ecdhe_psk_params{hint = <<>>});
+encode_server_key(#server_ecdhe_psk_params{
+ hint = PskIdentityHint,
+ dh_params = #server_ecdh_params{
+ curve = {namedCurve, ECCurve}, public = ECPubKey}}) ->
+ %%TODO: support arbitrary keys
+ Len = byte_size(PskIdentityHint),
+ KLen = size(ECPubKey),
+ <<?UINT16(Len), PskIdentityHint/binary,
+ ?BYTE(?NAMED_CURVE), ?UINT16((tls_v1:oid_to_enum(ECCurve))),
+ ?BYTE(KLen), ECPubKey/binary>>;
encode_server_key(#server_srp_params{srp_n = N, srp_g = G, srp_s = S, srp_b = B}) ->
NLen = byte_size(N),
GLen = byte_size(G),
@@ -1822,6 +1890,12 @@ encode_client_key(#client_dhe_psk_identity{identity = Id, dh_public = DHPublic},
Len = byte_size(Id),
DHLen = byte_size(DHPublic),
<<?UINT16(Len), Id/binary, ?UINT16(DHLen), DHPublic/binary>>;
+encode_client_key(Identity = #client_ecdhe_psk_identity{identity = undefined}, Version) ->
+ encode_client_key(Identity#client_ecdhe_psk_identity{identity = <<"psk_identity">>}, Version);
+encode_client_key(#client_ecdhe_psk_identity{identity = Id, dh_public = DHPublic}, _) ->
+ Len = byte_size(Id),
+ DHLen = byte_size(DHPublic),
+ <<?UINT16(Len), Id/binary, ?BYTE(DHLen), DHPublic/binary>>;
encode_client_key(Identity = #client_rsa_psk_identity{identity = undefined}, Version) ->
encode_client_key(Identity#client_rsa_psk_identity{identity = <<"psk_identity">>}, Version);
encode_client_key(#client_rsa_psk_identity{identity = Id, exchange_keys = ExchangeKeys}, Version) ->
@@ -1873,6 +1947,10 @@ dec_client_key(<<?UINT16(Len), Id:Len/binary,
?UINT16(DH_YLen), DH_Y:DH_YLen/binary>>,
?KEY_EXCHANGE_DHE_PSK, _) ->
#client_dhe_psk_identity{identity = Id, dh_public = DH_Y};
+dec_client_key(<<?UINT16(Len), Id:Len/binary,
+ ?BYTE(DH_YLen), DH_Y:DH_YLen/binary>>,
+ ?KEY_EXCHANGE_EC_DIFFIE_HELLMAN_PSK, _) ->
+ #client_ecdhe_psk_identity{identity = Id, dh_public = DH_Y};
dec_client_key(<<?UINT16(Len), Id:Len/binary, PKEPMS/binary>>,
?KEY_EXCHANGE_RSA_PSK, {3, 0}) ->
#client_rsa_psk_identity{identity = Id,
@@ -2050,6 +2128,8 @@ key_exchange_alg(psk) ->
?KEY_EXCHANGE_PSK;
key_exchange_alg(dhe_psk) ->
?KEY_EXCHANGE_DHE_PSK;
+key_exchange_alg(ecdhe_psk) ->
+ ?KEY_EXCHANGE_EC_DIFFIE_HELLMAN_PSK;
key_exchange_alg(rsa_psk) ->
?KEY_EXCHANGE_RSA_PSK;
key_exchange_alg(Alg)
@@ -2308,6 +2388,7 @@ is_acceptable_hash_sign({_, ecdsa} = Algos, ecdsa, ecdsa, ecdhe_ecdsa, Supported
is_acceptable_hash_sign(_, _, _, KeyExAlgo, _) when
KeyExAlgo == psk;
KeyExAlgo == dhe_psk;
+ KeyExAlgo == ecdhe_psk;
KeyExAlgo == srp_anon;
KeyExAlgo == dh_anon;
KeyExAlgo == ecdhe_anon
diff --git a/lib/ssl/src/ssl_handshake.hrl b/lib/ssl/src/ssl_handshake.hrl
index 324b7dbde3..a191fcf766 100644
--- a/lib/ssl/src/ssl_handshake.hrl
+++ b/lib/ssl/src/ssl_handshake.hrl
@@ -133,6 +133,7 @@
-define(KEY_EXCHANGE_DIFFIE_HELLMAN, 1).
-define(KEY_EXCHANGE_EC_DIFFIE_HELLMAN, 6).
-define(KEY_EXCHANGE_PSK, 2).
+-define(KEY_EXCHANGE_EC_DIFFIE_HELLMAN_PSK, 7).
-define(KEY_EXCHANGE_DHE_PSK, 3).
-define(KEY_EXCHANGE_RSA_PSK, 4).
-define(KEY_EXCHANGE_SRP, 5).
@@ -162,6 +163,11 @@
dh_params
}).
+-record(server_ecdhe_psk_params, {
+ hint,
+ dh_params
+ }).
+
-record(server_srp_params, {
srp_n, %% opaque srp_N<1..2^16-1>
srp_g, %% opaque srp_g<1..2^16-1>
@@ -254,6 +260,11 @@
dh_public
}).
+-record(client_ecdhe_psk_identity, {
+ identity,
+ dh_public
+ }).
+
-record(client_rsa_psk_identity, {
identity,
exchange_keys