Merge pull request #1518 from RoadRunnr/R20/ssl_anon_certs

RFC: ecdhe_psk cipher suites

OTP-14547

5 files changed, 307 insertions, 5 deletions

diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl
index 50c5f0d755..b6cd22dd13 100644
--- a/lib/ssl/src/ssl_cipher.erl
+++ b/lib/ssl/src/ssl_cipher.erl
@@ -375,30 +375,38 @@ psk_suites({3, N}) ->
 psk_suites(N)
   when N >= 3 ->
     [
+     ?TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA384,
      ?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_ECDHE_PSK_WITH_AES_128_GCM_SHA256,
      ?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].
@@ -565,6 +573,15 @@ 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) ->
@@ -606,6 +623,36 @@ 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};
+
+%%% ECDHE_PSK with AES-GCM and AES-CCM Cipher Suites, draft-ietf-tls-ecdhe-psk-aead-05
+
+suite_definition(?TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256) ->
+    {ecdhe_psk, aes_128_gcm, null, sha256};
+suite_definition(?TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA384) ->
+    {ecdhe_psk, aes_256_gcm, null, sha384};
+%% suite_definition(?TLS_ECDHE_PSK_WITH_AES_128_CCM_8_SHA256) ->
+%%    {ecdhe_psk, aes_128_ccm, null, sha256};
+%% suite_definition(?TLS_ECDHE_PSK_WITH_AES_128_CCM_SHA256) ->
+%%    {ecdhe_psk, aes_256_ccm, null, sha256};
+
 %%% SRP Cipher Suites RFC 5054
 
 suite_definition(?TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA) ->
@@ -867,6 +914,15 @@ 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}) ->
@@ -908,6 +964,36 @@ 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;
+
+%%% ECDHE_PSK with AES-GCM and AES-CCM Cipher Suites, draft-ietf-tls-ecdhe-psk-aead-05
+
+suite({ecdhe_psk, aes_128_gcm, null, sha256}) ->
+    ?TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256;
+suite({ecdhe_psk, aes_256_gcm, null, sha384}) ->
+    ?TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA384;
+%% suite({ecdhe_psk, aes_128_ccm, null, sha256}) ->
+%%     ?TLS_ECDHE_PSK_WITH_AES_128_CCM_8_SHA256;
+%% suite({ecdhe_psk, aes_256_ccm, null, sha256}) ->
+%%     ?TLS_ECDHE_PSK_WITH_AES_128_CCM_SHA256;
+
 %%% SRP Cipher Suites RFC 5054
 
 suite({srp_anon, '3des_ede_cbc', sha}) ->
@@ -1467,7 +1553,8 @@ 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..e5462d8402 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 +466,46 @@
 %%      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)>>).
+
+%%% ECDHE_PSK with AES-GCM and AES-CCM Cipher Suites, draft-ietf-tls-ecdhe-psk-aead-05
+
+%%      TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256   = {0xTBD; 0xTBD} {0xD0,0x01};
+-define(TLS_ECDHE_PSK_WITH_AES_128_GCM_SHA256, <<?BYTE(16#D0), ?BYTE(16#01)>>).
+
+%%      TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA384   = {0xTBD; 0xTBD} {0xD0,0x02};
+-define(TLS_ECDHE_PSK_WITH_AES_256_GCM_SHA384, <<?BYTE(16#D0), ?BYTE(16#02)>>).
+
+%%      TLS_ECDHE_PSK_WITH_AES_128_CCM_8_SHA256 = {0xTBD; 0xTBD} {0xD0,0x03};
+-define(TLS_ECDHE_PSK_WITH_AES_128_CCM_8_SHA256, <<?BYTE(16#D0), ?BYTE(16#03)>>).
+
+%%      TLS_ECDHE_PSK_WITH_AES_128_CCM_SHA256   = {0xTBD; 0xTBD} {0xD0,0x05};
+-define(TLS_ECDHE_PSK_WITH_AES_128_CCM_SHA256, <<?BYTE(16#D0), ?BYTE(16#05)>>).
+
 %%% 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 86b22f1572..f6ff89e844 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)),
@@ -542,6 +542,15 @@ certify(internal, #server_key_exchange{exchange_keys = Keys},
 	    end
     end;
 
+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 == 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);
+
 certify(internal, #certificate_request{} = CertRequest,
 	#state{session = #session{own_certificate = Cert},
 	       role = client,
@@ -1394,6 +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 = 
@@ -1413,6 +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;
 
@@ -1519,6 +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;
@@ -1617,6 +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,
@@ -1672,6 +1725,12 @@ rsa_psk_key_exchange(Version, PskIdentity, PremasterSecret,
 rsa_psk_key_exchange(_, _, _, _) ->
     throw (?ALERT_REC(?FATAL,?HANDSHAKE_FAILURE, pub_key_is_not_rsa)).
 
+request_client_cert(#state{key_algorithm = Alg} = State, _)
+  when Alg == dh_anon; Alg == ecdh_anon;
+       Alg == psk; Alg == dhe_psk; Alg == ecdhe_psk; Alg == rsa_psk;
+       Alg == srp_dss; Alg == srp_rsa; Alg == srp_anon ->
+    State;
+
 request_client_cert(#state{ssl_options = #ssl_options{verify = verify_peer, 
 						      signature_algs = SupportedHashSigns},
 			   connection_states = ConnectionStates0,
@@ -1793,6 +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) ->
@@ -1877,6 +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