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jwerl

1.2.0
1.2.0 1.1.0 1.0.0 0.2.0 0.1.2 0.1.1 0.1.0

JWT Library for Erlang and Elixir

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jwerl src jwerl_hs.erl
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src/jwerl_hs.erl 

% @hidden

-module(jwerl_hs).



-export([sign/3, verify/4]).



-ifdef(OTP_RELEASE).

-if(?OTP_RELEASE >= 24).

-define(HMAC(S, K, D), crypto:mac(hmac, algo(S), K, D)).

-elif(?OTP_RELEASE >= 21).

-define(HMAC(S, K, D), crypto:hmac(algo(S), K, D)).

-endif.

-else.

-define(HMAC(S, K, D), crypto:hmac(algo(S), K, D)).

-endif.



sign(ShaBits, Key, Data) ->

  ?HMAC(ShaBits, Key, Data).



verify(ShaBits, Key, Data, Signature) ->

  Signature == sign(ShaBits, Key, Data).





algo(256) -> sha256;

algo(384) -> sha384;

algo(512) -> sha512.