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-rw-r--r--lib/ssl/src/dtls_v1.erl8
-rw-r--r--lib/ssl/src/ssl.erl120
-rw-r--r--lib/ssl/src/ssl_cipher.erl288
3 files changed, 291 insertions, 125 deletions
diff --git a/lib/ssl/src/dtls_v1.erl b/lib/ssl/src/dtls_v1.erl
index 51ee8ec047..0f6344b6f7 100644
--- a/lib/ssl/src/dtls_v1.erl
+++ b/lib/ssl/src/dtls_v1.erl
@@ -21,7 +21,7 @@
-include("ssl_cipher.hrl").
--export([suites/1, all_suites/1, hmac_hash/3, ecc_curves/1,
+-export([suites/1, all_suites/1, anonymous_suites/1,hmac_hash/3, ecc_curves/1,
corresponding_tls_version/1, corresponding_dtls_version/1,
cookie_secret/0, cookie_timeout/0]).
@@ -40,6 +40,12 @@ all_suites(Version) ->
end,
ssl_cipher:all_suites(corresponding_tls_version(Version))).
+anonymous_suites(Version) ->
+ lists:filter(fun(Cipher) ->
+ is_acceptable_cipher(ssl_cipher:suite_definition(Cipher))
+ end,
+ ssl_cipher:anonymous_suites(corresponding_tls_version(Version))).
+
hmac_hash(MacAlg, MacSecret, Value) ->
tls_v1:hmac_hash(MacAlg, MacSecret, Value).
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 656ed94ea5..fb4448e180 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -39,7 +39,9 @@
]).
%% SSL/TLS protocol handling
--export([cipher_suites/0, cipher_suites/1, eccs/0, eccs/1, versions/0,
+-export([cipher_suites/0, cipher_suites/1, cipher_suites/2, filter_cipher_suites/2,
+ prepend_cipher_suites/2, append_cipher_suites/2,
+ eccs/0, eccs/1, versions/0,
format_error/1, renegotiate/1, prf/5, negotiated_protocol/1,
connection_information/1, connection_information/2]).
%% Misc
@@ -379,19 +381,93 @@ negotiated_protocol(#sslsocket{pid = Pid}) ->
cipher_suites() ->
cipher_suites(erlang).
%%--------------------------------------------------------------------
--spec cipher_suites(erlang | openssl | all) -> [ssl_cipher:old_erl_cipher_suite() | string()].
+-spec cipher_suites(erlang | openssl | all) ->
+ [ssl_cipher:old_erl_cipher_suite() | string()].
%% Description: Returns all supported cipher suites.
%%--------------------------------------------------------------------
cipher_suites(erlang) ->
[ssl_cipher:erl_suite_definition(Suite) || Suite <- available_suites(default)];
cipher_suites(openssl) ->
- [ssl_cipher:openssl_suite_name(Suite) || Suite <- available_suites(default)];
+ [ssl_cipher:openssl_suite_name(Suite) ||
+ Suite <- available_suites(default)];
cipher_suites(all) ->
[ssl_cipher:erl_suite_definition(Suite) || Suite <- available_suites(all)].
%%--------------------------------------------------------------------
+-spec cipher_suites(default | all | anonymous, tls_record:tls_version() | dtls_record:dtls_version() |
+ tls_record:tls_atom_version() | dtls_record:dtls_atom_version()) ->
+ [ssl_cipher:erl_cipher_suite()].
+%% Description: Returns all default and all supported cipher suites for a
+%% TLS/DTLS version
+%%--------------------------------------------------------------------
+cipher_suites(Base, Version) when Version == 'tlsv1.2';
+ Version == 'tlsv1.1';
+ Version == tlsv1;
+ Version == sslv3 ->
+ cipher_suites(Base, tls_record:protocol_version(Version));
+cipher_suites(Base, Version) when Version == 'dtlsv1.2';
+ Version == 'dtlsv1'->
+ cipher_suites(Base, dtls_record:protocol_version(Version));
+cipher_suites(Base, Version) ->
+ [ssl_cipher:suite_definition(Suite) || Suite <- supported_suites(Base, Version)].
+
+%%--------------------------------------------------------------------
+-spec filter_cipher_suites([ssl_cipher:erl_cipher_suite()],
+ [{key_exchange | cipher | mac | prf, fun()}] | []) ->
+ [ssl_cipher:erl_cipher_suite()].
+%% Description: Removes cipher suites if any of the filter functions returns false
+%% for any part of the cipher suite. This function also calls default filter functions
+%% to make sure the cipher suite are supported by crypto.
+%%--------------------------------------------------------------------
+filter_cipher_suites(Suites, Filters0) ->
+ #{key_exchange_filters := KexF,
+ cipher_filters := CipherF,
+ mac_filters := MacF,
+ prf_filters := PrfF}
+ = ssl_cipher:crypto_support_filters(),
+ Filters = #{key_exchange_filters => add_filter(proplists:get_value(key_exchange, Filters0), KexF),
+ cipher_filters => add_filter(proplists:get_value(cipher, Filters0), CipherF),
+ mac_filters => add_filter(proplists:get_value(mac, Filters0), MacF),
+ prf_filters => add_filter(proplists:get_value(prf, Filters0), PrfF)},
+ ssl_cipher:filter_suites(Suites, Filters).
+%%--------------------------------------------------------------------
+-spec prepend_cipher_suites([ssl_cipher:erl_cipher_suite()] |
+ [{key_exchange | cipher | mac | prf, fun()}],
+ [ssl_cipher:erl_cipher_suite()]) ->
+ [ssl_cipher:erl_cipher_suite()].
+%% Description: Make <Preferred> suites become the most prefered
+%% suites that is put them at the head of the cipher suite list
+%% and remove them from <Suites> if present. <Preferred> may be a
+%% list of cipher suits or a list of filters in which case the
+%% filters are use on Suites to extract the the preferred
+%% cipher list.
+%% --------------------------------------------------------------------
+prepend_cipher_suites([First | _] = Preferred, Suites0) when is_map(First) ->
+ Suites = Preferred ++ (Suites0 -- Preferred),
+ Suites;
+prepend_cipher_suites(Filters, Suites) ->
+ Preferred = filter_cipher_suites(Suites, Filters),
+ Preferred ++ (Suites -- Preferred).
+%%--------------------------------------------------------------------
+-spec append_cipher_suites(Deferred :: [ssl_cipher:erl_cipher_suite()] |
+ [{key_exchange | cipher | mac | prf, fun()}],
+ [ssl_cipher:erl_cipher_suite()]) ->
+ [ssl_cipher:erl_cipher_suite()].
+%% Description: Make <Deferred> suites suites become the
+%% least prefered suites that is put them at the end of the cipher suite list
+%% and removed them from <Suites> if present.
+%%
+%%--------------------------------------------------------------------
+append_cipher_suites([First | _] = Deferred, Suites0) when is_map(First)->
+ Suites = (Suites0 -- Deferred) ++ Deferred,
+ Suites;
+append_cipher_suites(Filters, Suites) ->
+ Deferred = filter_cipher_suites(Suites, Filters),
+ (Suites -- Deferred) ++ Deferred.
+
+%%--------------------------------------------------------------------
-spec eccs() -> tls_v1:curves().
%% Description: returns all supported curves across all versions
%%--------------------------------------------------------------------
@@ -636,11 +712,17 @@ tls_version({254, _} = Version) ->
available_suites(default) ->
Version = tls_record:highest_protocol_version([]),
ssl_cipher:filter_suites(ssl_cipher:suites(Version));
-
available_suites(all) ->
Version = tls_record:highest_protocol_version([]),
ssl_cipher:filter_suites(ssl_cipher:all_suites(Version)).
+supported_suites(default, Version) ->
+ ssl_cipher:suites(Version);
+supported_suites(all, Version) ->
+ ssl_cipher:all_suites(Version);
+supported_suites(anonymous, Version) ->
+ ssl_cipher:anonymous_suites(Version).
+
do_listen(Port, #config{transport_info = {Transport, _, _, _}} = Config, tls_connection) ->
tls_socket:listen(Transport, Port, Config);
@@ -1150,17 +1232,21 @@ handle_cipher_option(Value, Version) when is_list(Value) ->
binary_cipher_suites(Version, []) ->
%% Defaults to all supported suites that does
%% not require explicit configuration
- ssl_cipher:filter_suites(ssl_cipher:suites(tls_version(Version)));
+ default_binary_suites(Version);
+binary_cipher_suites(Version, [Map|_] = Ciphers0) when is_map(Map) ->
+ Ciphers = [ssl_cipher:suite(C) || C <- Ciphers0],
+ binary_cipher_suites(Version, Ciphers);
binary_cipher_suites(Version, [Tuple|_] = Ciphers0) when is_tuple(Tuple) ->
Ciphers = [ssl_cipher:suite(tuple_to_map(C)) || C <- Ciphers0],
binary_cipher_suites(Version, Ciphers);
binary_cipher_suites(Version, [Cipher0 | _] = Ciphers0) when is_binary(Cipher0) ->
- All = ssl_cipher:all_suites(tls_version(Version)),
+ All = ssl_cipher:all_suites(Version) ++
+ ssl_cipher:anonymous_suites(Version),
case [Cipher || Cipher <- Ciphers0, lists:member(Cipher, All)] of
[] ->
%% Defaults to all supported suites that does
%% not require explicit configuration
- ssl_cipher:filter_suites(ssl_cipher:suites(tls_version(Version)));
+ default_binary_suites(Version);
Ciphers ->
Ciphers
end;
@@ -1173,6 +1259,9 @@ binary_cipher_suites(Version, Ciphers0) ->
Ciphers = [ssl_cipher:openssl_suite(C) || C <- string:lexemes(Ciphers0, ":")],
binary_cipher_suites(Version, Ciphers).
+default_binary_suites(Version) ->
+ ssl_cipher:filter_suites(ssl_cipher:suites(Version)).
+
tuple_to_map({Kex, Cipher, Mac}) ->
#{key_exchange => Kex,
cipher => Cipher,
@@ -1181,9 +1270,19 @@ tuple_to_map({Kex, Cipher, Mac}) ->
tuple_to_map({Kex, Cipher, Mac, Prf}) ->
#{key_exchange => Kex,
cipher => Cipher,
- mac => Mac,
+ mac => tuple_to_map_mac(Cipher, Mac),
prf => Prf}.
+%% Backwards compatible
+tuple_to_map_mac(aes_128_gcm, _) ->
+ aead;
+tuple_to_map_mac(aes_256_gcm, _) ->
+ aead;
+tuple_to_map_mac(chacha20_poly1305, _) ->
+ aead;
+tuple_to_map_mac(_, MAC) ->
+ MAC.
+
handle_eccs_option(Value, Version) when is_list(Value) ->
{_Major, Minor} = tls_version(Version),
try tls_v1:ecc_curves(Minor, Value) of
@@ -1462,3 +1561,8 @@ reject_alpn_next_prot_options([Opt| AlpnNextOpts], Opts) ->
false ->
reject_alpn_next_prot_options(AlpnNextOpts, Opts)
end.
+
+add_filter(undefined, Filters) ->
+ Filters;
+add_filter(Filter, Filters) ->
+ [Filter | Filters].
diff --git a/lib/ssl/src/ssl_cipher.erl b/lib/ssl/src/ssl_cipher.erl
index 2c46de29e2..c6927bd276 100644
--- a/lib/ssl/src/ssl_cipher.erl
+++ b/lib/ssl/src/ssl_cipher.erl
@@ -36,9 +36,10 @@
-export([security_parameters/2, security_parameters/3, suite_definition/1,
erl_suite_definition/1,
cipher_init/3, decipher/6, cipher/5, decipher_aead/6, cipher_aead/6,
- suite/1, suites/1, all_suites/1,
- ec_keyed_suites/0, anonymous_suites/1, psk_suites/1, srp_suites/0,
- rc4_suites/1, des_suites/1, openssl_suite/1, openssl_suite_name/1, filter/2, filter_suites/1,
+ suite/1, suites/1, all_suites/1, crypto_support_filters/0,
+ ec_keyed_suites/0, anonymous_suites/1, psk_suites/1, psk_suites_anon/1, srp_suites/0,
+ srp_suites_anon/0, rc4_suites/1, des_suites/1, openssl_suite/1, openssl_suite_name/1,
+ filter/2, filter_suites/1, filter_suites/2,
hash_algorithm/1, sign_algorithm/1, is_acceptable_hash/2, is_fallback/1,
random_bytes/1, calc_mac_hash/4,
is_stream_ciphersuite/1]).
@@ -53,7 +54,7 @@
-type key_algo() :: null | rsa | dhe_rsa | dhe_dss | ecdhe_ecdsa| ecdh_ecdsa | ecdh_rsa| srp_rsa| srp_dss | psk | dhe_psk | rsa_psk | dh_anon | ecdh_anon | srp_anon.
-type erl_cipher_suite() :: #{key_exchange := key_algo(),
cipher := cipher(),
- mac := hash(),
+ mac := hash() | aead,
prf := hash() | default_prf %% Old cipher suites, version dependent
}.
-type old_erl_cipher_suite() :: {key_algo(), cipher(), hash()} % Pre TLS 1.2
@@ -320,7 +321,6 @@ suites({_, Minor}) ->
all_suites({3, _} = Version) ->
suites(Version)
- ++ anonymous_suites(Version)
++ psk_suites(Version)
++ srp_suites()
++ rc4_suites(Version)
@@ -336,12 +336,12 @@ all_suites(Version) ->
%%--------------------------------------------------------------------
anonymous_suites({3, N}) ->
- anonymous_suites(N);
+ srp_suites_anon() ++ anonymous_suites(N);
anonymous_suites({254, _} = Version) ->
- anonymous_suites(dtls_v1:corresponding_tls_version(Version))
- -- [?TLS_DH_anon_WITH_RC4_128_MD5];
+ dtls_v1:anonymous_suites(Version);
anonymous_suites(N)
when N >= 3 ->
+ psk_suites_anon(N) ++
[?TLS_DH_anon_WITH_AES_128_GCM_SHA256,
?TLS_DH_anon_WITH_AES_256_GCM_SHA384,
?TLS_DH_anon_WITH_AES_128_CBC_SHA256,
@@ -350,20 +350,20 @@ anonymous_suites(N)
?TLS_ECDH_anon_WITH_AES_256_CBC_SHA,
?TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA,
?TLS_DH_anon_WITH_RC4_128_MD5];
-
-anonymous_suites(2) ->
+anonymous_suites(2 = N) ->
+ psk_suites_anon(N) ++
[?TLS_ECDH_anon_WITH_AES_128_CBC_SHA,
?TLS_ECDH_anon_WITH_AES_256_CBC_SHA,
?TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA,
?TLS_DH_anon_WITH_DES_CBC_SHA,
?TLS_DH_anon_WITH_RC4_128_MD5];
-
anonymous_suites(N) when N == 0;
N == 1 ->
- [?TLS_DH_anon_WITH_RC4_128_MD5,
- ?TLS_DH_anon_WITH_3DES_EDE_CBC_SHA,
- ?TLS_DH_anon_WITH_DES_CBC_SHA
- ].
+ psk_suites_anon(N) ++
+ [?TLS_DH_anon_WITH_RC4_128_MD5,
+ ?TLS_DH_anon_WITH_3DES_EDE_CBC_SHA,
+ ?TLS_DH_anon_WITH_DES_CBC_SHA
+ ].
%%--------------------------------------------------------------------
-spec psk_suites(ssl_record:ssl_version() | integer()) -> [cipher_suite()].
@@ -373,38 +373,49 @@ anonymous_suites(N) when N == 0;
%%--------------------------------------------------------------------
psk_suites({3, N}) ->
psk_suites(N);
-
psk_suites(N)
when N >= 3 ->
[
- ?TLS_DHE_PSK_WITH_AES_256_GCM_SHA384,
?TLS_RSA_PSK_WITH_AES_256_GCM_SHA384,
+ ?TLS_RSA_PSK_WITH_AES_256_CBC_SHA384,
+ ?TLS_RSA_PSK_WITH_AES_128_GCM_SHA256,
+ ?TLS_RSA_PSK_WITH_AES_128_CBC_SHA256
+ ] ++ psk_suites(0);
+psk_suites(_) ->
+ [?TLS_RSA_PSK_WITH_AES_256_CBC_SHA,
+ ?TLS_RSA_PSK_WITH_AES_128_CBC_SHA,
+ ?TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA,
+ ?TLS_RSA_PSK_WITH_RC4_128_SHA].
+
+%%--------------------------------------------------------------------
+-spec psk_suites_anon(ssl_record:ssl_version() | integer()) -> [cipher_suite()].
+%%
+%% Description: Returns a list of the anonymous PSK cipher suites, only supported
+%% if explicitly set by user.
+%%--------------------------------------------------------------------
+psk_suites_anon({3, N}) ->
+ psk_suites_anon(N);
+psk_suites_anon(N)
+ when N >= 3 ->
+ [
+ ?TLS_DHE_PSK_WITH_AES_256_GCM_SHA384,
?TLS_PSK_WITH_AES_256_GCM_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_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(_) ->
+ ] ++ psk_suites_anon(0);
+psk_suites_anon(_) ->
[?TLS_DHE_PSK_WITH_AES_256_CBC_SHA,
- ?TLS_RSA_PSK_WITH_AES_256_CBC_SHA,
?TLS_PSK_WITH_AES_256_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_DHE_PSK_WITH_3DES_EDE_CBC_SHA,
- ?TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA,
?TLS_PSK_WITH_3DES_EDE_CBC_SHA,
?TLS_DHE_PSK_WITH_RC4_128_SHA,
- ?TLS_RSA_PSK_WITH_RC4_128_SHA,
?TLS_PSK_WITH_RC4_128_SHA].
-
%%--------------------------------------------------------------------
-spec srp_suites() -> [cipher_suite()].
%%
@@ -412,15 +423,24 @@ psk_suites(_) ->
%% if explicitly set by user.
%%--------------------------------------------------------------------
srp_suites() ->
- [?TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA,
- ?TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA,
+ [?TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA,
?TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA,
- ?TLS_SRP_SHA_WITH_AES_128_CBC_SHA,
?TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA,
?TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA,
- ?TLS_SRP_SHA_WITH_AES_256_CBC_SHA,
?TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA,
?TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA].
+
+%%--------------------------------------------------------------------
+-spec srp_suites_anon() -> [cipher_suite()].
+%%
+%% Description: Returns a list of the SRP anonymous cipher suites, only supported
+%% if explicitly set by user.
+%%--------------------------------------------------------------------
+srp_suites_anon() ->
+ [?TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA,
+ ?TLS_SRP_SHA_WITH_AES_128_CBC_SHA,
+ ?TLS_SRP_SHA_WITH_AES_256_CBC_SHA].
+
%%--------------------------------------------------------------------
-spec rc4_suites(Version::ssl_record:ssl_version() | integer()) -> [cipher_suite()].
%%
@@ -684,32 +704,32 @@ suite_definition(?TLS_RSA_PSK_WITH_AES_256_CBC_SHA) ->
suite_definition(?TLS_PSK_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => psk,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_PSK_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => psk,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
suite_definition(?TLS_DHE_PSK_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => dhe_psk,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_DHE_PSK_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => dhe_psk,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
suite_definition(?TLS_RSA_PSK_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => rsa_psk,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_RSA_PSK_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => rsa_psk,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
suite_definition(?TLS_PSK_WITH_AES_128_CBC_SHA256) ->
#{key_exchange => psk,
@@ -988,42 +1008,42 @@ suite_definition(?TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384) ->
suite_definition(?TLS_RSA_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => rsa,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_RSA_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => rsa,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
suite_definition(?TLS_DHE_RSA_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => dhe_rsa,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_DHE_RSA_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => dhe_rsa,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
suite_definition(?TLS_DH_RSA_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => dh_rsa,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_DH_RSA_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => dh_rsa,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
suite_definition(?TLS_DHE_DSS_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => dhe_dss,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_DHE_DSS_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => dhe_dss,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
suite_definition(?TLS_DH_DSS_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => dh_dss,
@@ -1033,74 +1053,74 @@ suite_definition(?TLS_DH_DSS_WITH_AES_128_GCM_SHA256) ->
suite_definition(?TLS_DH_DSS_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => dh_dss,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
suite_definition(?TLS_DH_anon_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => dh_anon,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_DH_anon_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => dh_anon,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
%% RFC 5289 ECC AES-GCM Cipher Suites
suite_definition(?TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => ecdhe_ecdsa,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => ecdhe_ecdsa,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
suite_definition(?TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => ecdh_ecdsa,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => ecdh_ecdsa,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
suite_definition(?TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => ecdhe_rsa,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => ecdhe_rsa,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
suite_definition(?TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256) ->
#{key_exchange => ecdh_rsa,
cipher => aes_128_gcm,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384) ->
#{key_exchange => ecdh_rsa,
cipher => aes_256_gcm,
- mac => null,
+ mac => aead,
prf => sha384};
%% draft-agl-tls-chacha20poly1305-04 Chacha20/Poly1305 Suites
suite_definition(?TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256) ->
#{key_exchange => ecdhe_rsa,
cipher => chacha20_poly1305,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256) ->
#{key_exchange => ecdhe_ecdsa,
cipher => chacha20_poly1305,
- mac => null,
+ mac => aead,
prf => sha256};
suite_definition(?TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256) ->
#{key_exchange => dhe_rsa,
cipher => chacha20_poly1305,
- mac => null,
+ mac => aead,
prf => sha256}.
%%--------------------------------------------------------------------
@@ -1288,32 +1308,32 @@ suite(#{key_exchange := rsa_psk,
%%% TLS 1.2 PSK Cipher Suites RFC 5487
suite(#{key_exchange := psk,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_PSK_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := psk,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_PSK_WITH_AES_256_GCM_SHA384;
suite(#{key_exchange := dhe_psk,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_DHE_PSK_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := dhe_psk,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_DHE_PSK_WITH_AES_256_GCM_SHA384;
suite(#{key_exchange := rsa_psk,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_RSA_PSK_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := rsa_psk,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_RSA_PSK_WITH_AES_256_GCM_SHA384;
suite(#{key_exchange := psk,
@@ -1545,119 +1565,119 @@ suite(#{key_exchange := ecdh_rsa,
%% RFC 5288 AES-GCM Cipher Suites
suite(#{key_exchange := rsa,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_RSA_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := rsa,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_RSA_WITH_AES_256_GCM_SHA384;
suite(#{key_exchange := dhe_rsa,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_DHE_RSA_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := dhe_rsa,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_DHE_RSA_WITH_AES_256_GCM_SHA384;
suite(#{key_exchange := dh_rsa,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_DH_RSA_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := dh_rsa,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_DH_RSA_WITH_AES_256_GCM_SHA384;
suite(#{key_exchange := dhe_dss,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_DHE_DSS_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := dhe_dss,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_DHE_DSS_WITH_AES_256_GCM_SHA384;
suite(#{key_exchange := dh_dss,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_DH_DSS_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := dh_dss,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_DH_DSS_WITH_AES_256_GCM_SHA384;
suite(#{key_exchange := dh_anon,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_DH_anon_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := dh_anon,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_DH_anon_WITH_AES_256_GCM_SHA384;
%% RFC 5289 ECC AES-GCM Cipher Suites
suite(#{key_exchange := ecdhe_ecdsa,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := ecdhe_ecdsa,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384;
suite(#{key_exchange := ecdh_ecdsa,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := ecdh_ecdsa,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384;
suite(#{key_exchange := ecdhe_rsa,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := ecdhe_rsa,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384;
suite(#{key_exchange := ecdh_rsa,
cipher := aes_128_gcm,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256;
suite(#{key_exchange := ecdh_rsa,
cipher := aes_256_gcm,
- mac := null,
+ mac := aead,
prf := sha384}) ->
?TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384;
%% draft-agl-tls-chacha20poly1305-04 Chacha20/Poly1305 Suites
suite(#{key_exchange := ecdhe_rsa,
cipher := chacha20_poly1305,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256;
suite(#{key_exchange := ecdhe_ecdsa,
cipher := chacha20_poly1305,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256;
suite(#{key_exchange := dhe_rsa,
cipher := chacha20_poly1305,
- mac := null,
+ mac := aead,
prf := sha256}) ->
?TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256.
@@ -1817,9 +1837,9 @@ openssl_suite("ECDH-RSA-AES256-GCM-SHA384") ->
?TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384.
%%--------------------------------------------------------------------
--spec openssl_suite_name(cipher_suite()) -> openssl_cipher_suite().
+-spec openssl_suite_name(cipher_suite()) -> openssl_cipher_suite() | erl_cipher_suite().
%%
-%% Description: Return openssl cipher suite name.
+%% Description: Return openssl cipher suite name if possible
%%-------------------------------------------------------------------
openssl_suite_name(?TLS_DHE_RSA_WITH_AES_256_CBC_SHA) ->
"DHE-RSA-AES256-SHA";
@@ -2029,38 +2049,74 @@ filter(DerCert, Ciphers) ->
{_, ecdsa} ->
Ciphers1 -- rsa_signed_suites()
end.
-
%%--------------------------------------------------------------------
--spec filter_suites([cipher_suite()]) -> [cipher_suite()].
+-spec filter_suites([erl_cipher_suite()] | [cipher_suite()], map()) ->
+ [erl_cipher_suite()] | [cipher_suite()].
+%%
+%% Description: Filter suites using supplied filter funs
+%%-------------------------------------------------------------------
+filter_suites(Suites, Filters) ->
+ ApplyFilters = fun(Suite) ->
+ filter_suite(Suite, Filters)
+ end,
+ lists:filter(ApplyFilters, Suites).
+
+filter_suite(#{key_exchange := KeyExchange,
+ cipher := Cipher,
+ mac := Hash,
+ prf := Prf},
+ #{key_exchange_filters := KeyFilters,
+ cipher_filters := CipherFilters,
+ mac_filters := HashFilters,
+ prf_filters := PrfFilters}) ->
+ all_filters(KeyExchange, KeyFilters) andalso
+ all_filters(Cipher, CipherFilters) andalso
+ all_filters(Hash, HashFilters) andalso
+ all_filters(Prf, PrfFilters);
+filter_suite(Suite, Filters) ->
+ filter_suite(suite_definition(Suite), Filters).
+
+%%--------------------------------------------------------------------
+-spec filter_suites([erl_cipher_suite()] | [cipher_suite()]) ->
+ [erl_cipher_suite()] | [cipher_suite()].
%%
%% Description: Filter suites for algorithms supported by crypto.
%%-------------------------------------------------------------------
-filter_suites(Suites = [Value|_]) when is_map(Value) ->
- Algos = crypto:supports(),
- Hashs = proplists:get_value(hashs, Algos),
- lists:filter(fun(#{key_exchange := KeyExchange,
- cipher := Cipher,
- mac := Hash,
- prf := Prf}) ->
- is_acceptable_keyexchange(KeyExchange, proplists:get_value(public_keys, Algos)) andalso
- is_acceptable_cipher(Cipher, proplists:get_value(ciphers, Algos)) andalso
- is_acceptable_hash(Hash, Hashs) andalso
- is_acceptable_prf(Prf, Hashs)
- end, Suites);
-
filter_suites(Suites) ->
+ Filters = crypto_support_filters(),
+ filter_suites(Suites, Filters).
+
+all_filters(_, []) ->
+ true;
+all_filters(Value, [Filter| Rest]) ->
+ case Filter(Value) of
+ true ->
+ all_filters(Value, Rest);
+ false ->
+ false
+ end.
+crypto_support_filters() ->
Algos = crypto:supports(),
Hashs = proplists:get_value(hashs, Algos),
- lists:filter(fun(Suite) ->
- #{key_exchange := KeyExchange,
- cipher := Cipher,
- mac := Hash,
- prf := Prf} = suite_definition(Suite),
- is_acceptable_keyexchange(KeyExchange, proplists:get_value(public_keys, Algos)) andalso
- is_acceptable_cipher(Cipher, proplists:get_value(ciphers, Algos)) andalso
- is_acceptable_hash(Hash, Hashs) andalso
- is_acceptable_prf(Prf, Hashs)
- end, Suites).
+ #{key_exchange_filters =>
+ [fun(KeyExchange) ->
+ is_acceptable_keyexchange(KeyExchange,
+ proplists:get_value(public_keys, Algos))
+ end],
+ cipher_filters =>
+ [fun(Cipher) ->
+ is_acceptable_cipher(Cipher,
+ proplists:get_value(ciphers, Algos))
+ end],
+ mac_filters =>
+ [fun(Hash) ->
+ is_acceptable_hash(Hash, Hashs)
+ end],
+ prf_filters =>
+ [fun(Prf) ->
+ is_acceptable_prf(Prf,
+ proplists:get_value(hashs, Algos))
+ end]}.
is_acceptable_keyexchange(KeyExchange, _Algos) when KeyExchange == psk;
KeyExchange == null ->