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fast_scram

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A fast Salted Challenge Response Authentication Mechanism

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fast_scram src fast_scram.erl
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src/fast_scram.erl 

-module(fast_scram).

-on_load(load/0).



-export([hi/4]).



-type sha_type() :: crypto:sha1() | crypto:sha2().



-spec hi(sha_type(), binary(), binary(), non_neg_integer()) -> binary().

hi(_Hash, _Password, _Salt, _IterationCount) ->

    erlang:nif_error(not_loaded).



%%%===================================================================

%%% Load NIF

%%%===================================================================

-spec load() -> any().

load() ->

    code:ensure_loaded(crypto),

    PrivDir = case code:priv_dir(?MODULE) of

                  {error, _} ->

                      EbinDir = filename:dirname(code:which(?MODULE)),

                      AppPath = filename:dirname(EbinDir),

                      filename:join(AppPath, "priv");

                  Path ->

                      Path

              end,

    erlang:load_nif(filename:join(PrivDir, ?MODULE_STRING), none).