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Diffstat (limited to 'src/couch/src/couch_hash.erl')
-rw-r--r-- | src/couch/src/couch_hash.erl | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/couch/src/couch_hash.erl b/src/couch/src/couch_hash.erl new file mode 100644 index 000000000..842b37423 --- /dev/null +++ b/src/couch/src/couch_hash.erl @@ -0,0 +1,45 @@ +% 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. |