SDTS_AL
port
cpl_sha256.h
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/* $Id: cpl_sha256.h 31777 2015-11-26 14:14:41Z rouault $ */
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/* The MIT License
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Copyright (C) 2011 Zilong Tan (tzlloch@gmail.com)
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Copyright (C) 2015 Even Rouault <even.rouault at spatialys.com>
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#ifndef CPL_SHA256_INCLUDED_H
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#define CPL_SHA256_INCLUDED_H
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#include "
cpl_port.h
"
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#define CPL_SHA256_HASH_SIZE 32
/* 256 bit */
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#define CPL_SHA256_HASH_WORDS 8
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#ifndef GUInt64
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#define GUInt64 GUIntBig
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#endif
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CPL_C_START
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struct
_CPL_SHA256Context
{
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GUInt64 totalLength;
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GUInt32 hash[CPL_SHA256_HASH_WORDS];
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GUInt32 bufferLength;
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union
{
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GUInt32 words[16];
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GByte bytes[64];
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} buffer;
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};
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typedef
struct
_CPL_SHA256Context
CPL_SHA256Context;
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void
CPL_DLL CPL_SHA256Init(CPL_SHA256Context * sc);
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void
CPL_DLL CPL_SHA256Update(CPL_SHA256Context * sc,
const
void
*data,
size_t
len);
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void
CPL_DLL CPL_SHA256Final(CPL_SHA256Context * sc, GByte hash[CPL_SHA256_HASH_SIZE]);
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void
CPL_DLL CPL_SHA256(
const
void
*data,
size_t
len, GByte hash[CPL_SHA256_HASH_SIZE]);
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void
CPL_DLL CPL_HMAC_SHA256(
const
void
*pKey,
size_t
nKeyLen,
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const
void
*pabyMessage,
size_t
nMessageLen,
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GByte abyDigest[CPL_SHA256_HASH_SIZE]);
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CPL_C_END
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#endif
/* CPL_SHA256_INCLUDED_H */
cpl_port.h
_CPL_SHA256Context
Definition:
cpl_sha256.h:43
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