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/******************************************************************************
*
* Project: CPL - Common Portability Library
* Purpose: Implement SHA1
* Author: Even Rouault, even.rouault at spatialys.com
*
* SHA1 computation coming from Public Domain code at:
* https://github.com/B-Con/crypto-algorithms/blob/master/sha1.c
* by Brad Conte (brad AT bradconte.com)
*
******************************************************************************
* Copyright (c) 2017, Even Rouault <even.rouault at spatialys.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
****************************************************************************/
#ifndef CPL_SHA1_INCLUDED_H
#define CPL_SHA1_INCLUDED_H
#ifndef DOXYGEN_SKIP
#include "cpl_port.h"
#define CPL_SHA1_HASH_SIZE 20 // SHA1 outputs a 20 byte digest
CPL_C_START
/* Not CPL_DLL exported */
void CPL_HMAC_SHA1(const void *pKey, size_t nKeyLen, const void *pabyMessage,
size_t nMessageLen, GByte abyDigest[CPL_SHA1_HASH_SIZE]);
CPL_C_END
#endif /* #ifndef DOXYGEN_SKIP */
#endif /* CPL_SHA1_INCLUDED_H */
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