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Merge pull request #18 from technion/hashspec

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Changed -spec on generichash/2 and generichash/3.
This commit is contained in:
Jesper Louis Andersen
2018-01-02 17:05:33 +01:00
committed by GitHub
parent 5a48c66b07 c6de481b2e
commit dd793a86b4
1 changed files with 3 additions and 1 deletions
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src/enacl.erl
+3 -1
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@@ -285,7 +285,8 @@ unsafe_memzero(_) ->
%% This function generates a hash of the message using a key. The hash size is
%% either 16, 32 or 64 bytes
%% @end
-spec generichash(iodata(), binary()) -> {ok, binary()} | {error, term()}.
-type generichash_bytes() :: ?CRYPTO_GENERICHASH_BYTES_MIN..?CRYPTO_GENERICHASH_BYTES_MAX.
-spec generichash(generichash_bytes(), iodata(), binary()) -> {ok, binary()} | {error, term()}.
generichash(HashSize, Message, Key) ->
enacl_nif:crypto_generichash(HashSize, Message, Key).
@@ -294,6 +295,7 @@ generichash(HashSize, Message, Key) ->
%% This function generates a hash of the message. The hash size is
%% either 16, 32 or 64 bytes
%% @end
-spec generichash(generichash_bytes(), iodata()) -> {ok, binary()} | {error, term()}.
generichash(HashSize, Message) ->
enacl_nif:crypto_generichash(HashSize, Message, <<>>).