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Add enoise_protocol:supported()

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It returns a map describing what is supported…
This commit is contained in:
Hans Svensson 2018-03-07 14:26:23 +01:00
parent 4791d15f2e
commit 9f2faa3caf
1 changed files with 17 additions and 4 deletions
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21
src/enoise_protocol.erl
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@ -11,8 +11,13 @@
, msgs/2 , msgs/2
, pattern/1 , pattern/1
, pre_msgs/2 , pre_msgs/2
, supported/0
, to_name/1]). , to_name/1]).
-ifdef(TEST).
-export([to_name/4]).
-endif.
-type noise_pattern() :: nn | xk. -type noise_pattern() :: nn | xk.
-type noise_msg() :: {in | out, [enoise_hs_state:noise_token()]}. -type noise_msg() :: {in | out, [enoise_hs_state:noise_token()]}.
@ -113,16 +118,24 @@ protocol(ix) ->
{[], [{out, [e, s]}, {in, [e, ee, se, s, es]}]}. {[], [{out, [e, s]}, {in, [e, ee, se, s, es]}]}.
supported_pattern(P) -> supported_pattern(P) ->
lists:member(P, [nn, kn, nk, kk, nx, kx, xn, in, xk, ik, xx, ix]). lists:member(P, maps:get(hs_pattern, supported())).
supported_hash(Hash) -> supported_hash(Hash) ->
lists:member(Hash, [blake2b, sha256, sha512]). lists:member(Hash, maps:get(hash, supported())).
supported_cipher(Cipher) -> supported_cipher(Cipher) ->
lists:member(Cipher, ['ChaChaPoly', 'AESGCM']). lists:member(Cipher, maps:get(cipher, supported())).
supported_dh(Dh) -> supported_dh(Dh) ->
lists:member(Dh, [dh25519]). lists:member(Dh, maps:get(dh, supported())).
-spec supported() -> map().
supported() ->
#{ hs_pattern => [nn, kn, nk, kk, nx, kx, xn, in, xk, ik, xx, ix]
, hash => [blake2b, sha256, sha512]
, cipher => ['ChaChaPoly', 'AESGCM']
, dh => [dh25519]
}.
to_name(Pattern, Dh, Cipher, Hash) -> to_name(Pattern, Dh, Cipher, Hash) ->
list_to_binary(lists:join("_", ["Noise", to_name_pattern(Pattern), to_name_dh(Dh), list_to_binary(lists:join("_", ["Noise", to_name_pattern(Pattern), to_name_dh(Dh),