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-rw-r--r--lib/ssl/src/ssl_handshake.erl92
1 files changed, 83 insertions, 9 deletions
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index 5e687b1bb7..09160e2f9c 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -192,6 +192,7 @@ 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{}.
@@ -229,6 +230,13 @@ 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 +283,16 @@ 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},
@@ -732,6 +750,7 @@ 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{}.
%%
@@ -755,9 +774,8 @@ decode_suites('3_bytes', Dec) ->
%%====================================================================
available_suites(UserSuites, Version) ->
- lists:filtermap(fun(Suite) ->
- lists:member(Suite, ssl_cipher:all_suites(Version))
- end, UserSuites).
+ VersionSuites = ssl_cipher:all_suites(Version) ++ ssl_cipher:anonymous_suites(Version),
+ lists:filtermap(fun(Suite) -> lists:member(Suite, VersionSuites) end, UserSuites).
available_suites(ServerCert, UserSuites, Version, undefined, Curve) ->
ssl_cipher:filter(ServerCert, available_suites(UserSuites, Version))
@@ -876,9 +894,21 @@ 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) ->
@@ -1025,7 +1055,9 @@ select_curve(undefined, _, _) ->
%%
%% Description: Handles signature_algorithms hello extension (server)
%%--------------------------------------------------------------------
-select_hashsign(_, undefined, _, _, _Version) ->
+select_hashsign(_, _, KeyExAlgo, _, _Version) when KeyExAlgo == dh_anon;
+ KeyExAlgo == ecdh_anon;
+ KeyExAlgo == srp_anon ->
{null, anon};
%% The signature_algorithms extension was introduced with TLS 1.2. Ignore it if we have
%% negotiated a lower version.
@@ -1135,7 +1167,6 @@ 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(_) ->
@@ -1175,7 +1206,6 @@ certificate_types(#{key_exchange := KeyExchange}, _) when KeyExchange == dh_ecds
KeyExchange == ecdh_ecdsa;
KeyExchange == ecdhe_ecdsa ->
<<?BYTE(?ECDSA_SIGN)>>;
-
certificate_types(_, _) ->
<<?BYTE(?RSA_SIGN)>>.
@@ -1572,6 +1602,18 @@ 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),
@@ -1604,6 +1646,12 @@ 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) ->
@@ -1724,6 +1772,22 @@ 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,
@@ -1759,6 +1823,10 @@ 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,
@@ -1942,6 +2010,8 @@ 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)
@@ -2031,7 +2101,8 @@ 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, [Suite| Acc]).
@@ -2170,6 +2241,7 @@ 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
@@ -2240,6 +2312,8 @@ 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).
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 20:06:21 +0000