minix/drivers/random/sha2.h
2005-08-03 15:22:41 +00:00

168 lines
5.5 KiB
C

/* $FreeBSD: src/sys/crypto/sha2/sha2.h,v 1.1.2.1 2001/07/03 11:01:36 ume Exp $ */
/* $KAME: sha2.h,v 1.3 2001/03/12 08:27:48 itojun Exp $ */
/*
* sha2.h
*
* Version 1.0.0beta1
*
* Written by Aaron D. Gifford <me@aarongifford.com>
*
* Copyright 2000 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(S) 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(S) 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.
*
*/
#ifndef __SHA2_H__
#define __SHA2_H__
#ifdef __cplusplus
extern "C" {
#endif
/*** SHA-256/384/512 Various Length Definitions ***********************/
#define SHA256_BLOCK_LENGTH 64
#define SHA256_DIGEST_LENGTH 32
#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
#define SHA384_BLOCK_LENGTH 128
#define SHA384_DIGEST_LENGTH 48
#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
#define SHA512_BLOCK_LENGTH 128
#define SHA512_DIGEST_LENGTH 64
#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
#ifdef __minix
#include <assert.h>
#include <string.h>
#include <sys/types.h>
#include <minix/u64.h>
typedef u8_t u_int8_t; /* 1-byte (8-bits) */
typedef u32_t u_int32_t; /* 4-bytes (32-bits) */
typedef u64_t u_int64_t; /* 8-bytes (64-bits) */
#ifndef __P
#define __P(x) x
#endif
#define NO_64BIT 1
#define MINIX_64BIT 1
#define SHA2_BYTE_ORDER 0x04030201
#define SHA2_LITTLE_ENDIAN 0x04030201
#define SHA2_BIG_ENDIAN 0x01020204
#define bcopy(s,d,l) (memmove((d),(s),(l)))
#define bzero(d,l) (memset((d),'\0',(l)))
#endif
/*** SHA-256/384/512 Context Structures *******************************/
/* NOTE: If your architecture does not define either u_intXX_t types or
* uintXX_t (from inttypes.h), you may need to define things by hand
* for your system:
*/
#if 0
typedef unsigned char u_int8_t; /* 1-byte (8-bits) */
typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */
typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
#endif
/*
* Most BSD systems already define u_intXX_t types, as does Linux.
* Some systems, however, like Compaq's Tru64 Unix instead can use
* uintXX_t types defined by very recent ANSI C standards and included
* in the file:
*
* #include <inttypes.h>
*
* If you choose to use <inttypes.h> then please define:
*
* #define SHA2_USE_INTTYPES_H
*
* Or on the command line during compile:
*
* cc -DSHA2_USE_INTTYPES_H ...
*/
#if 0 /*def SHA2_USE_INTTYPES_H*/
typedef struct _SHA256_CTX {
uint32_t state[8];
uint64_t bitcount;
uint8_t buffer[SHA256_BLOCK_LENGTH];
} SHA256_CTX;
typedef struct _SHA512_CTX {
uint64_t state[8];
uint64_t bitcount[2];
uint8_t buffer[SHA512_BLOCK_LENGTH];
} SHA512_CTX;
#else /* SHA2_USE_INTTYPES_H */
typedef struct _SHA256_CTX {
u_int32_t state[8];
u_int64_t bitcount;
u_int8_t buffer[SHA256_BLOCK_LENGTH];
} SHA256_CTX;
typedef struct _SHA512_CTX {
u_int64_t state[8];
u_int64_t bitcount[2];
u_int8_t buffer[SHA512_BLOCK_LENGTH];
} SHA512_CTX;
#endif /* SHA2_USE_INTTYPES_H */
typedef SHA512_CTX SHA384_CTX;
/*** SHA-256/384/512 Function Prototypes ******************************/
void SHA256_Init __P((SHA256_CTX *));
void SHA256_Update __P((SHA256_CTX*, const u_int8_t*, size_t));
void SHA256_Final __P((u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*));
char* SHA256_End __P((SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]));
char* SHA256_Data __P((const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]));
void SHA384_Init __P((SHA384_CTX*));
void SHA384_Update __P((SHA384_CTX*, const u_int8_t*, size_t));
void SHA384_Final __P((u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*));
char* SHA384_End __P((SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]));
char* SHA384_Data __P((const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]));
void SHA512_Init __P((SHA512_CTX*));
void SHA512_Update __P((SHA512_CTX*, const u_int8_t*, size_t));
void SHA512_Final __P((u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*));
char* SHA512_End __P((SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]));
char* SHA512_Data __P((const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]));
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __SHA2_H__ */
/*
* $PchId: sha2.h,v 1.1 2005/06/28 14:29:33 philip Exp $
*/