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-rw-r--r--lib/ssl/src/ssl_handshake.erl145
1 files changed, 116 insertions, 29 deletions
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index cd601c04c0..5e4e50f0e1 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2013-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2013-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -52,8 +52,8 @@
%% Handle handshake messages
-export([certify/7, certificate_verify/6, verify_signature/5,
master_secret/4, server_key_exchange_hash/2, verify_connection/6,
- init_handshake_history/0, update_handshake_history/3, verify_server_key/5,
- select_version/3
+ init_handshake_history/0, update_handshake_history/2, verify_server_key/5,
+ select_version/3, extension_value/1
]).
%% Encode
@@ -139,8 +139,8 @@ certificate(OwnCert, CertDbHandle, CertDbRef, server) ->
case ssl_certificate:certificate_chain(OwnCert, CertDbHandle, CertDbRef) of
{ok, _, Chain} ->
#certificate{asn1_certificates = Chain};
- {error, _} ->
- ?ALERT_REC(?FATAL, ?INTERNAL_ERROR, server_has_no_suitable_certificates)
+ {error, Error} ->
+ ?ALERT_REC(?FATAL, ?INTERNAL_ERROR, {server_has_no_suitable_certificates, Error})
end.
%%--------------------------------------------------------------------
@@ -189,11 +189,18 @@ certificate_request(CipherSuite, CertDbHandle, CertDbRef, HashSigns, Version) ->
{dh, binary()} |
{dh, {binary(), binary()}, #'DHParameter'{}, {HashAlgo::atom(), SignAlgo::atom()},
binary(), binary(), public_key:private_key()} |
+ {ecdh, _, _, _, _, _} |
{ecdh, #'ECPrivateKey'{}} |
+ {psk, _, _, _, _, _} |
{psk, binary()} |
+ {dhe_psk, _, _, _, _, _, _, _} |
{dhe_psk, binary(), binary()} |
+ {ecdhe_psk, _, _, _, _, _, _} |
+ {ecdhe_psk, binary(), #'ECPrivateKey'{}} |
{srp, {binary(), binary()}, #srp_user{}, {HashAlgo::atom(), SignAlgo::atom()},
- binary(), binary(), public_key:private_key()}) ->
+ binary(), binary(), public_key:private_key()} |
+ {srp, _} |
+ {psk_premaster_secret, _, _, _}) ->
#client_key_exchange{} | #server_key_exchange{}.
%%
@@ -229,6 +236,13 @@ 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),
@@ -275,6 +289,16 @@ 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},
@@ -321,6 +345,7 @@ certify(#certificate{asn1_certificates = ASN1Certs}, CertDbHandle, CertDbRef,
Opts#ssl_options.partial_chain),
ValidationFunAndState = validation_fun_and_state(Opts#ssl_options.verify_fun, Role,
CertDbHandle, CertDbRef, ServerName,
+ Opts#ssl_options.customize_hostname_check,
Opts#ssl_options.crl_check, CRLDbHandle, CertPath),
case public_key:pkix_path_validation(TrustedCert,
CertPath,
@@ -455,24 +480,12 @@ init_handshake_history() ->
{[], []}.
%%--------------------------------------------------------------------
--spec update_handshake_history(ssl_handshake:ssl_handshake_history(), Data ::term(), boolean()) ->
+-spec update_handshake_history(ssl_handshake:ssl_handshake_history(), Data ::term()) ->
ssl_handshake:ssl_handshake_history().
%%
%% Description: Update the handshake history buffer with Data.
%%--------------------------------------------------------------------
-update_handshake_history(Handshake, % special-case SSL2 client hello
- <<?CLIENT_HELLO, ?UINT24(_), ?BYTE(Major), ?BYTE(Minor),
- ?UINT16(CSLength), ?UINT16(0),
- ?UINT16(CDLength),
- CipherSuites:CSLength/binary,
- ChallengeData:CDLength/binary>>, true) ->
- update_handshake_history(Handshake,
- <<?CLIENT_HELLO, ?BYTE(Major), ?BYTE(Minor),
- ?UINT16(CSLength), ?UINT16(0),
- ?UINT16(CDLength),
- CipherSuites:CSLength/binary,
- ChallengeData:CDLength/binary>>, true);
-update_handshake_history({Handshake0, _Prev}, Data, _) ->
+update_handshake_history({Handshake0, _Prev}, Data) ->
{[Data|Handshake0], Handshake0}.
verify_server_key(#server_key_params{params_bin = EncParams,
@@ -732,6 +745,7 @@ decode_server_key(ServerKey, Type, Version) ->
| #client_ec_diffie_hellman_public{}
| #client_psk_identity{}
| #client_dhe_psk_identity{}
+ | #client_ecdhe_psk_identity{}
| #client_rsa_psk_identity{}
| #client_srp_public{}.
%%
@@ -878,9 +892,21 @@ 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) ->
@@ -1131,12 +1157,30 @@ select_hashsign_algs(undefined, ?rsaEncryption, _) ->
select_hashsign_algs(undefined, ?'id-dsa', _) ->
{sha, dsa}.
-
srp_user(#ssl_options{srp_identity = {UserName, _}}) ->
#srp{username = UserName};
srp_user(_) ->
undefined.
+extension_value(undefined) ->
+ undefined;
+extension_value(#sni{hostname = HostName}) ->
+ HostName;
+extension_value(#ec_point_formats{ec_point_format_list = List}) ->
+ List;
+extension_value(#elliptic_curves{elliptic_curve_list = List}) ->
+ List;
+extension_value(#hash_sign_algos{hash_sign_algos = Algos}) ->
+ Algos;
+extension_value(#alpn{extension_data = Data}) ->
+ Data;
+extension_value(#next_protocol_negotiation{extension_data = Data}) ->
+ Data;
+extension_value(#srp{username = Name}) ->
+ Name;
+extension_value(#renegotiation_info{renegotiated_connection = Data}) ->
+ Data.
+
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
@@ -1171,7 +1215,6 @@ certificate_types(#{key_exchange := KeyExchange}, _) when KeyExchange == dh_ecds
KeyExchange == ecdh_ecdsa;
KeyExchange == ecdhe_ecdsa ->
<<?BYTE(?ECDSA_SIGN)>>;
-
certificate_types(_, _) ->
<<?BYTE(?RSA_SIGN)>>.
@@ -1199,7 +1242,7 @@ certificate_authorities_from_db(_CertDbHandle, {extracted, CertDbData}) ->
%%-------------Handle handshake messages --------------------------------
validation_fun_and_state({Fun, UserState0}, Role, CertDbHandle, CertDbRef,
- ServerNameIndication, CRLCheck, CRLDbHandle, CertPath) ->
+ ServerNameIndication, CustomizeHostCheck, CRLCheck, CRLDbHandle, CertPath) ->
{fun(OtpCert, {extension, _} = Extension, {SslState, UserState}) ->
case ssl_certificate:validate(OtpCert,
Extension,
@@ -1216,9 +1259,9 @@ validation_fun_and_state({Fun, UserState0}, Role, CertDbHandle, CertDbRef,
(OtpCert, VerifyResult, {SslState, UserState}) ->
apply_user_fun(Fun, OtpCert, VerifyResult, UserState,
SslState, CertPath)
- end, {{Role, CertDbHandle, CertDbRef, ServerNameIndication, CRLCheck, CRLDbHandle}, UserState0}};
+ end, {{Role, CertDbHandle, CertDbRef, {ServerNameIndication, CustomizeHostCheck}, CRLCheck, CRLDbHandle}, UserState0}};
validation_fun_and_state(undefined, Role, CertDbHandle, CertDbRef,
- ServerNameIndication, CRLCheck, CRLDbHandle, CertPath) ->
+ ServerNameIndication, CustomizeHostCheck, CRLCheck, CRLDbHandle, CertPath) ->
{fun(OtpCert, {extension, _} = Extension, SslState) ->
ssl_certificate:validate(OtpCert,
Extension,
@@ -1238,7 +1281,7 @@ validation_fun_and_state(undefined, Role, CertDbHandle, CertDbRef,
ssl_certificate:validate(OtpCert,
VerifyResult,
SslState)
- end, {Role, CertDbHandle, CertDbRef, ServerNameIndication, CRLCheck, CRLDbHandle}}.
+ end, {Role, CertDbHandle, CertDbRef, {ServerNameIndication, CustomizeHostCheck}, CRLCheck, CRLDbHandle}}.
apply_user_fun(Fun, OtpCert, VerifyResult, UserState0,
{_, CertDbHandle, CertDbRef, _, CRLCheck, CRLDbHandle} = SslState, CertPath) when
@@ -1568,6 +1611,18 @@ 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),
@@ -1600,6 +1655,12 @@ 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) ->
@@ -1720,6 +1781,22 @@ 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,
@@ -1755,6 +1832,10 @@ 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,
@@ -1938,6 +2019,8 @@ 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)
@@ -2029,7 +2112,8 @@ filter_hashsigns([Suite | Suites], [#{key_exchange := KeyExchange} | Algos], Has
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, Version, [Suite| Acc]).
@@ -2148,6 +2232,7 @@ sign_algo(Alg) ->
is_acceptable_hash_sign( _, KeyExAlgo, _) when
KeyExAlgo == psk;
KeyExAlgo == dhe_psk;
+ KeyExAlgo == ecdhe_psk;
KeyExAlgo == srp_anon;
KeyExAlgo == dh_anon;
KeyExAlgo == ecdhe_anon
@@ -2219,6 +2304,8 @@ advertises_ec_ciphers([#{key_exchange := ecdhe_rsa} | _]) ->
true;
advertises_ec_ciphers([#{key_exchange := ecdh_anon} | _]) ->
true;
+advertises_ec_ciphers([{ecdhe_psk, _,_,_} | _]) ->
+ true;
advertises_ec_ciphers([_| Rest]) ->
advertises_ec_ciphers(Rest).