80 lines
3.1 KiB
C++
80 lines
3.1 KiB
C++
/*
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* FILE: sha2.h
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* AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/
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*
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* Copyright (c) 2000-2001, Aaron D. Gifford
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
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*/
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#ifndef __STRAWBERRY_SHA2_H__
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#define __STRAWBERRY_SHA2_H__
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/*
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* Import u_intXX_t size_t type definitions from system headers. You
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* may need to change this, or define these things yourself in this
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* file.
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*/
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#include <sys/types.h>
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namespace strawberry_sha2 {
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/*** SHA-256/384/512 Various Length Definitions ***********************/
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static const int SHA256_BLOCK_LENGTH = 64;
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static const int SHA256_DIGEST_LENGTH = 32;
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static const int SHA256_DIGEST_STRING_LENGTH = (SHA256_DIGEST_LENGTH * 2 + 1);
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/*** SHA-256/384/512 Context Structures *******************************/
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/* NOTE: If your architecture does not define either u_intXX_t types or
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* uintXX_t (from inttypes.h), you may need to define things by hand
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* for your system:
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*/
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#ifdef __MINGW32__
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typedef unsigned char u_int8_t; /* 1-byte (8-bits) */
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typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */
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typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
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#endif
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typedef struct _SHA256_CTX {
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u_int32_t state[8];
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u_int64_t bitcount;
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u_int8_t buffer[SHA256_BLOCK_LENGTH];
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} SHA256_CTX;
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void SHA256_Init(SHA256_CTX *);
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void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t);
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void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
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char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
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char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
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} // namespace strawberry_sha2
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#endif /* __STRAWBERRY_SHA2_H__ */
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