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% Licensed under the Apache License, Version 2.0 (the "License"); you may not
% use this file except in compliance with the License. You may obtain a copy of
% the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
% License for the specific language governing permissions and limitations under
% the License.
-module(couch_hash).
-export([md5_hash/1, md5_hash_final/1, md5_hash_init/0, md5_hash_update/2]).
-ifdef(ERLANG_MD5).
md5_hash(Data) ->
erlang:md5(Data).
md5_hash_final(Context) ->
erlang:md5_final(Context).
md5_hash_init() ->
erlang:md5_init().
md5_hash_update(Context, Data) ->
erlang:md5_update(Context, Data).
-else.
md5_hash(Data) ->
crypto:hash(md5, Data).
md5_hash_final(Context) ->
crypto:hash_final(Context).
md5_hash_init() ->
crypto:hash_init(md5).
md5_hash_update(Context, Data) ->
crypto:hash_update(Context, Data).
-endif.
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