169 lines
5.5 KiB
C
169 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 $ */
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/* $KAME: sha2.h,v 1.3 2001/03/12 08:27:48 itojun Exp $ */
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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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#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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/*** 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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#ifdef __minix
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#include <assert.h>
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#include <string.h>
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#include <sys/types.h>
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#include <minix/u64.h>
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typedef u8_t u_int8_t; /* 1-byte (8-bits) */
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typedef u32_t u_int32_t; /* 4-bytes (32-bits) */
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typedef u64_t u_int64_t; /* 8-bytes (64-bits) */
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#ifndef __P
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#define __P(x) x
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#endif
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#define NO_64BIT 1
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#define MINIX_64BIT 1
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#define SHA2_BYTE_ORDER 0x04030201
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#define SHA2_LITTLE_ENDIAN 0x04030201
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#define SHA2_BIG_ENDIAN 0x01020204
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#define bcopy(s,d,l) (memmove((d),(s),(l)))
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#define bzero(d,l) (memset((d),'\0',(l)))
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#endif
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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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#if 0
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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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/*
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* Most BSD systems already define u_intXX_t types, as does Linux.
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* Some systems, however, like Compaq's Tru64 Unix instead can use
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* uintXX_t types defined by very recent ANSI C standards and included
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* in the file:
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*
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* #include <inttypes.h>
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*
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* If you choose to use <inttypes.h> then please define:
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*
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* #define SHA2_USE_INTTYPES_H
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*
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* Or on the command line during compile:
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*
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* cc -DSHA2_USE_INTTYPES_H ...
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*/
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#if 0 /*def SHA2_USE_INTTYPES_H*/
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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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#else /* SHA2_USE_INTTYPES_H */
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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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typedef struct _SHA512_CTX {
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u_int64_t state[8];
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u_int64_t bitcount[2];
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u_int8_t buffer[SHA512_BLOCK_LENGTH];
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} SHA512_CTX;
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#endif /* SHA2_USE_INTTYPES_H */
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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 __P((SHA256_CTX *));
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void SHA256_Update __P((SHA256_CTX*, const u_int8_t*, size_t));
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void SHA256_Final __P((u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*));
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char* SHA256_End __P((SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]));
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char* SHA256_Data __P((const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]));
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void SHA384_Init __P((SHA384_CTX*));
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void SHA384_Update __P((SHA384_CTX*, const u_int8_t*, size_t));
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void SHA384_Final __P((u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*));
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char* SHA384_End __P((SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]));
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char* SHA384_Data __P((const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]));
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void SHA512_Init __P((SHA512_CTX*));
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void SHA512_Update __P((SHA512_CTX*, const u_int8_t*, size_t));
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void SHA512_Final __P((u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*));
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char* SHA512_End __P((SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]));
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char* SHA512_Data __P((const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]));
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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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/*
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* $PchId: sha2.h,v 1.1 2005/06/28 14:29:33 philip Exp $
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*/
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