/**
*    Copyright (C) 2014 10gen Inc.
*
*    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.
*/

#pragma once

#include <cstddef>

namespace mongo {
namespace crypto {
/*
 * Computes a SHA-1 hash of 'input'.
 */
bool sha1(const unsigned char* input, const size_t inputLen, unsigned char* output);

/*
 * Computes a HMAC SHA-1 keyed hash of 'input' using the key 'key'
 */
bool hmacSha1(const unsigned char* key,
              const size_t keyLen,
              const unsigned char* input,
              const size_t inputLen,
              unsigned char* output,
              unsigned int* outputLen);

}  // namespace crypto
}  // namespace mongo
