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-rw-r--r--lib/ssl/src/tls_v1.erl33
1 files changed, 25 insertions, 8 deletions
diff --git a/lib/ssl/src/tls_v1.erl b/lib/ssl/src/tls_v1.erl
index 711db77708..7f24ce5192 100644
--- a/lib/ssl/src/tls_v1.erl
+++ b/lib/ssl/src/tls_v1.erl
@@ -31,9 +31,18 @@
-export([master_secret/4, finished/5, certificate_verify/3, mac_hash/7,
setup_keys/8, suites/1, prf/5,
- ecc_curves/1, oid_to_enum/1, enum_to_oid/1,
+ ecc_curves/1, ecc_curves/2, oid_to_enum/1, enum_to_oid/1,
default_signature_algs/1, signature_algs/2]).
+-type named_curve() :: sect571r1 | sect571k1 | secp521r1 | brainpoolP512r1 |
+ sect409k1 | sect409r1 | brainpoolP384r1 | secp384r1 |
+ sect283k1 | sect283r1 | brainpoolP256r1 | secp256k1 | secp256r1 |
+ sect239k1 | sect233k1 | sect233r1 | secp224k1 | secp224r1 |
+ sect193r1 | sect193r2 | secp192k1 | secp192r1 | sect163k1 |
+ sect163r1 | sect163r2 | secp160k1 | secp160r1 | secp160r2.
+-type curves() :: [named_curve()].
+-export_type([curves/0, named_curve/0]).
+
%%====================================================================
%% Internal application API
%%====================================================================
@@ -399,13 +408,20 @@ is_pair(Hash, rsa, Hashs) ->
lists:member(Hash, AtLeastMd5).
%% list ECC curves in prefered order
-ecc_curves(_Minor) ->
- TLSCurves = [sect571r1,sect571k1,secp521r1,brainpoolP512r1,
- sect409k1,sect409r1,brainpoolP384r1,secp384r1,
- sect283k1,sect283r1,brainpoolP256r1,secp256k1,secp256r1,
- sect239k1,sect233k1,sect233r1,secp224k1,secp224r1,
- sect193r1,sect193r2,secp192k1,secp192r1,sect163k1,
- sect163r1,sect163r2,secp160k1,secp160r1,secp160r2],
+-spec ecc_curves(1..3 | all) -> [named_curve()].
+ecc_curves(all) ->
+ [sect571r1,sect571k1,secp521r1,brainpoolP512r1,
+ sect409k1,sect409r1,brainpoolP384r1,secp384r1,
+ sect283k1,sect283r1,brainpoolP256r1,secp256k1,secp256r1,
+ sect239k1,sect233k1,sect233r1,secp224k1,secp224r1,
+ sect193r1,sect193r2,secp192k1,secp192r1,sect163k1,
+ sect163r1,sect163r2,secp160k1,secp160r1,secp160r2];
+ecc_curves(Minor) ->
+ TLSCurves = ecc_curves(all),
+ ecc_curves(Minor, TLSCurves).
+
+-spec ecc_curves(1..3, [named_curve()]) -> [named_curve()].
+ecc_curves(_Minor, TLSCurves) ->
CryptoCurves = crypto:ec_curves(),
lists:foldr(fun(Curve, Curves) ->
case proplists:get_bool(Curve, CryptoCurves) of
@@ -414,6 +430,7 @@ ecc_curves(_Minor) ->
end
end, [], TLSCurves).
+
%% ECC curves from draft-ietf-tls-ecc-12.txt (Oct. 17, 2005)
oid_to_enum(?sect163k1) -> 1;
oid_to_enum(?sect163r1) -> 2;