69 lines
2.3 KiB
C
69 lines
2.3 KiB
C
/* $Id: cpl_sha256.h 31777 2015-11-26 14:14:41Z rouault $ */
|
|
|
|
/* The MIT License
|
|
|
|
Copyright (C) 2011 Zilong Tan (tzlloch@gmail.com)
|
|
Copyright (C) 2015 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_SHA256_INCLUDED_H
|
|
#define CPL_SHA256_INCLUDED_H
|
|
|
|
#include "cpl_port.h"
|
|
|
|
#define CPL_SHA256_HASH_SIZE 32 /* 256 bit */
|
|
#define CPL_SHA256_HASH_WORDS 8
|
|
|
|
#ifndef GUInt64
|
|
#define GUInt64 GUIntBig
|
|
#endif
|
|
|
|
CPL_C_START
|
|
|
|
struct _CPL_SHA256Context {
|
|
GUInt64 totalLength;
|
|
GUInt32 hash[CPL_SHA256_HASH_WORDS];
|
|
GUInt32 bufferLength;
|
|
union {
|
|
GUInt32 words[16];
|
|
GByte bytes[64];
|
|
} buffer;
|
|
};
|
|
typedef struct _CPL_SHA256Context CPL_SHA256Context;
|
|
|
|
void CPL_DLL CPL_SHA256Init(CPL_SHA256Context * sc);
|
|
|
|
void CPL_DLL CPL_SHA256Update(CPL_SHA256Context * sc, const void *data, size_t len);
|
|
|
|
void CPL_DLL CPL_SHA256Final(CPL_SHA256Context * sc, GByte hash[CPL_SHA256_HASH_SIZE]);
|
|
|
|
void CPL_DLL CPL_SHA256(const void *data, size_t len, GByte hash[CPL_SHA256_HASH_SIZE]);
|
|
|
|
void CPL_DLL CPL_HMAC_SHA256(const void *pKey, size_t nKeyLen,
|
|
const void *pabyMessage, size_t nMessageLen,
|
|
GByte abyDigest[CPL_SHA256_HASH_SIZE]);
|
|
|
|
CPL_C_END
|
|
|
|
#endif /* CPL_SHA256_INCLUDED_H */
|