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/*
* FILE: sha2.h
* AUTHOR: Aaron D. Gifford
* http://www.aarongifford.com/computers/sha.html
*
* Copyright (c) 2000-2003, Aaron D. Gifford
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: sha2.h,v 1.4 2004/01/07 19:06:18 adg Exp $
*/
#ifndef __SHA2_H__
#define __SHA2_H__
#include "cm_sha2_mangle.h"
/* CMake modification: use integer types from KWIML. */
#include <cm_kwiml.h>
typedef KWIML_INT_uint8_t cm_sha2_uint8_t;
typedef KWIML_INT_uint32_t cm_sha2_uint32_t;
typedef KWIML_INT_uint64_t cm_sha2_uint64_t;
#ifdef __cplusplus
extern "C" {
#endif
/*
* Import u_intXX_t size_t type definitions from system headers. You
* may need to change this, or define these things yourself in this
* file.
*/
#include <sys/types.h>
/*** SHA-224/256/384/512 Various Length Definitions *******************/
/* Digest lengths for SHA-1/224/256/384/512 */
#define SHA1_DIGEST_LENGTH 20
#define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1)
#define SHA224_DIGEST_LENGTH 28
#define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1)
#define SHA256_DIGEST_LENGTH 32
#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
#define SHA384_DIGEST_LENGTH 48
#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
#define SHA512_DIGEST_LENGTH 64
#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
/*** SHA-224/256/384/512 Context Structures ***************************/
typedef union _SHA_CTX {
/* SHA-1 uses this part of the union: */
struct {
cm_sha2_uint32_t state[5];
cm_sha2_uint64_t bitcount;
cm_sha2_uint8_t buffer[64];
} s1;
/* SHA-224 and SHA-256 use this part of the union: */
struct {
cm_sha2_uint32_t state[8];
cm_sha2_uint64_t bitcount;
cm_sha2_uint8_t buffer[64];
} s256;
/* SHA-384 and SHA-512 use this part of the union: */
struct {
cm_sha2_uint64_t state[8];
cm_sha2_uint64_t bitcount[2];
cm_sha2_uint8_t buffer[128];
} s512;
} SHA_CTX;
/*** SHA-256/384/512 Function Prototypes ******************************/
void SHA1_Init(SHA_CTX*);
void SHA1_Update(SHA_CTX*, const cm_sha2_uint8_t*, size_t);
void SHA1_Final(cm_sha2_uint8_t[SHA1_DIGEST_LENGTH], SHA_CTX*);
char* SHA1_End(SHA_CTX*, char[SHA1_DIGEST_STRING_LENGTH]);
char* SHA1_Data(const cm_sha2_uint8_t*, size_t,
char[SHA1_DIGEST_STRING_LENGTH]);
void SHA224_Init(SHA_CTX*);
void SHA224_Update(SHA_CTX*, const cm_sha2_uint8_t*, size_t);
void SHA224_Final(cm_sha2_uint8_t[SHA224_DIGEST_LENGTH], SHA_CTX*);
char* SHA224_End(SHA_CTX*, char[SHA224_DIGEST_STRING_LENGTH]);
char* SHA224_Data(const cm_sha2_uint8_t*, size_t,
char[SHA224_DIGEST_STRING_LENGTH]);
void SHA256_Init(SHA_CTX*);
void SHA256_Update(SHA_CTX*, const cm_sha2_uint8_t*, size_t);
void SHA256_Final(cm_sha2_uint8_t[SHA256_DIGEST_LENGTH], SHA_CTX*);
char* SHA256_End(SHA_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
char* SHA256_Data(const cm_sha2_uint8_t*, size_t,
char[SHA256_DIGEST_STRING_LENGTH]);
void SHA384_Init(SHA_CTX*);
void SHA384_Update(SHA_CTX*, const cm_sha2_uint8_t*, size_t);
void SHA384_Final(cm_sha2_uint8_t[SHA384_DIGEST_LENGTH], SHA_CTX*);
char* SHA384_End(SHA_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
char* SHA384_Data(const cm_sha2_uint8_t*, size_t,
char[SHA384_DIGEST_STRING_LENGTH]);
void SHA512_Init(SHA_CTX*);
void SHA512_Update(SHA_CTX*, const cm_sha2_uint8_t*, size_t);
void SHA512_Final(cm_sha2_uint8_t[SHA512_DIGEST_LENGTH], SHA_CTX*);
char* SHA512_End(SHA_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
char* SHA512_Data(const cm_sha2_uint8_t*, size_t,
char[SHA512_DIGEST_STRING_LENGTH]);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __SHA2_H__ */
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