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108 lines
3.9 KiB
C
108 lines
3.9 KiB
C
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/*
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* sha2.h
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*
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* Version 1.0.0beta1
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*
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* Written by Aaron D. Gifford <me@aarongifford.com>
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*
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* Copyright 2000 Aaron D. Gifford. 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(S) 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(S) 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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*/
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/* $RoughId: sha2.h,v 1.2 2001/07/13 19:49:10 knu Exp $ */
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/* $Id$ */
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#ifndef __SHA2_H__
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#define __SHA2_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "defs.h"
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/*** SHA-256/384/512 Various Length Definitions ***********************/
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#define SHA256_BLOCK_LENGTH 64
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#define SHA256_DIGEST_LENGTH 32
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#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
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#define SHA384_BLOCK_LENGTH 128
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#define SHA384_DIGEST_LENGTH 48
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#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
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#define SHA512_BLOCK_LENGTH 128
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#define SHA512_DIGEST_LENGTH 64
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#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
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/*** SHA-256/384/512 Context Structures *******************************/
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typedef struct _SHA256_CTX {
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uint32_t state[8];
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uint64_t bitcount;
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uint8_t buffer[SHA256_BLOCK_LENGTH];
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} SHA256_CTX;
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typedef struct _SHA512_CTX {
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uint64_t state[8];
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uint64_t bitcount[2];
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uint8_t buffer[SHA512_BLOCK_LENGTH];
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} SHA512_CTX;
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typedef SHA512_CTX SHA384_CTX;
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/*** SHA-256/384/512 Function Prototypes ******************************/
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void SHA256_Init _((SHA256_CTX *));
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void SHA256_Update _((SHA256_CTX*, const uint8_t*, size_t));
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void SHA256_Final _((uint8_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 uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]));
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char *SHA256_File _((char *, char *));
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int SHA256_Equal _((SHA256_CTX*, SHA256_CTX*));
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void SHA384_Init _((SHA384_CTX*));
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void SHA384_Update _((SHA384_CTX*, const uint8_t*, size_t));
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void SHA384_Final _((uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*));
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char* SHA384_End _((SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]));
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char* SHA384_Data _((const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]));
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char *SHA384_File _((char *, char *));
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int SHA384_Equal _((SHA384_CTX*, SHA384_CTX*));
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void SHA512_Init _((SHA512_CTX*));
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void SHA512_Update _((SHA512_CTX*, const uint8_t*, size_t));
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void SHA512_Final _((uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*));
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char* SHA512_End _((SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]));
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char* SHA512_Data _((const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]));
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char *SHA512_File _((char *, char *));
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int SHA512_Equal _((SHA512_CTX*, SHA512_CTX*));
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __SHA2_H__ */
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