[cygwin-apps/setup.git] / sha2.h

/*	$OpenBSD: sha2.h,v 1.8 2012/12/05 23:19:57 deraadt Exp $	*/

/*
 * FILE:	sha2.h
 * AUTHOR:	Aaron D. Gifford <me@aarongifford.com>
 * 
 * Copyright (c) 2000-2001, 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.
 *
 * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
 */

#ifndef _SHA2_H
#define _SHA2_H

/* Additions for setup */
#define u_int8_t	__UINT8_TYPE__
#define u_int32_t	__UINT32_TYPE__
#define u_int64_t	__UINT64_TYPE__
#define SHA2_SMALL
#define explicit_bzero(a,b)	(memset((a),0,(b)))
#include <sys/cdefs.h>
#include <sys/param.h>
/* End additions for setup */

/*** 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)


/*** SHA-256/384/512 Context Structure *******************************/
typedef struct _SHA2_CTX {
	union {
		u_int32_t	st32[8];
		u_int64_t	st64[8];
	} state;
	u_int64_t	bitcount[2];
	u_int8_t	buffer[SHA512_BLOCK_LENGTH];
} SHA2_CTX;

__BEGIN_DECLS
void SHA256Init(SHA2_CTX *);
void SHA256Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]);
void SHA256Update(SHA2_CTX *, const u_int8_t *, size_t)
	__attribute__((__bounded__(__string__,2,3)));
void SHA256Pad(SHA2_CTX *);
void SHA256Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA2_CTX *)
	__attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH)));
char *SHA256End(SHA2_CTX *, char *)
	__attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
char *SHA256File(const char *, char *)
	__attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
char *SHA256FileChunk(const char *, char *, off_t, off_t)
	__attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
char *SHA256Data(const u_int8_t *, size_t, char *)
	__attribute__((__bounded__(__string__,1,2)))
	__attribute__((__bounded__(__minbytes__,3,SHA256_DIGEST_STRING_LENGTH)));

void SHA384Init(SHA2_CTX *);
void SHA384Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]);
void SHA384Update(SHA2_CTX *, const u_int8_t *, size_t)
	__attribute__((__bounded__(__string__,2,3)));
void SHA384Pad(SHA2_CTX *);
void SHA384Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA2_CTX *)
	__attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH)));
char *SHA384End(SHA2_CTX *, char *)
	__attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
char *SHA384File(const char *, char *)
	__attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
char *SHA384FileChunk(const char *, char *, off_t, off_t)
	__attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
char *SHA384Data(const u_int8_t *, size_t, char *)
	__attribute__((__bounded__(__string__,1,2)))
	__attribute__((__bounded__(__minbytes__,3,SHA384_DIGEST_STRING_LENGTH)));

void SHA512Init(SHA2_CTX *);
void SHA512Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]);
void SHA512Update(SHA2_CTX *, const u_int8_t *, size_t)
	__attribute__((__bounded__(__string__,2,3)));
void SHA512Pad(SHA2_CTX *);
void SHA512Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA2_CTX *)
	__attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH)));
char *SHA512End(SHA2_CTX *, char *)
	__attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
char *SHA512File(const char *, char *)
	__attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
char *SHA512FileChunk(const char *, char *, off_t, off_t)
	__attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
char *SHA512Data(const u_int8_t *, size_t, char *)
	__attribute__((__bounded__(__string__,1,2)))
	__attribute__((__bounded__(__minbytes__,3,SHA512_DIGEST_STRING_LENGTH)));
__END_DECLS

#endif /* _SHA2_H */
Commit	Line	Data
be13ef43 CV	1	/* $OpenBSD: sha2.h,v 1.8 2012/12/05 23:19:57 deraadt Exp $ */
	2
	3	/*
	4	* FILE: sha2.h
	5	* AUTHOR: Aaron D. Gifford <me@aarongifford.com>
	6	*
	7	* Copyright (c) 2000-2001, Aaron D. Gifford
	8	* All rights reserved.
	9	*
	10	* Redistribution and use in source and binary forms, with or without
	11	* modification, are permitted provided that the following conditions
	12	* are met:
	13	* 1. Redistributions of source code must retain the above copyright
	14	* notice, this list of conditions and the following disclaimer.
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in the
	17	* documentation and/or other materials provided with the distribution.
	18	* 3. Neither the name of the copyright holder nor the names of contributors
	19	* may be used to endorse or promote products derived from this software
	20	* without specific prior written permission.
	21	*
	22	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
	23	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	24	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	25	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
	26	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	27	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	28	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	29	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	30	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	31	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	32	* SUCH DAMAGE.
	33	*
	34	* $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
	35	*/
	36
	37	#ifndef _SHA2_H
	38	#define _SHA2_H
	39
	40	/* Additions for setup */
	41	#define u_int8_t __UINT8_TYPE__
	42	#define u_int32_t __UINT32_TYPE__
	43	#define u_int64_t __UINT64_TYPE__
	44	#define SHA2_SMALL
	45	#define explicit_bzero(a,b) (memset((a),0,(b)))
	46	#include <sys/cdefs.h>
	47	#include <sys/param.h>
	48	/* End additions for setup */
	49
	50	/* SHA-256/384/512 Various Length Definitions *********************/
	51	#define SHA256_BLOCK_LENGTH 64
	52	#define SHA256_DIGEST_LENGTH 32
	53	#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
	54	#define SHA384_BLOCK_LENGTH 128
	55	#define SHA384_DIGEST_LENGTH 48
	56	#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
	57	#define SHA512_BLOCK_LENGTH 128
	58	#define SHA512_DIGEST_LENGTH 64
	59	#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
	60
	61
	62	/* SHA-256/384/512 Context Structure *****************************/
	63	typedef struct _SHA2_CTX {
	64	union {
65	u_int32_t st32[8];
66	u_int64_t st64[8];
67	} state;
68	u_int64_t bitcount[2];
69	u_int8_t buffer[SHA512_BLOCK_LENGTH];
70	} SHA2_CTX;
71
72	__BEGIN_DECLS
73	void SHA256Init(SHA2_CTX *);
74	void SHA256Transform(u_int32_t state[8], const u_int8_t [SHA256_BLOCK_LENGTH]);
75	void SHA256Update(SHA2_CTX , const u_int8_t , size_t)
76	__attribute__((__bounded__(__string__,2,3)));
77	void SHA256Pad(SHA2_CTX *);
78	void SHA256Final(u_int8_t [SHA256_DIGEST_LENGTH], SHA2_CTX *)
79	__attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH)));
80	char SHA256End(SHA2_CTX , char *)
81	__attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
82	char SHA256File(const char , char *)
83	__attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
84	char SHA256FileChunk(const char , char *, off_t, off_t)
85	__attribute__((__bounded__(__minbytes__,2,SHA256_DIGEST_STRING_LENGTH)));
86	char SHA256Data(const u_int8_t , size_t, char *)
87	__attribute__((__bounded__(__string__,1,2)))
88	__attribute__((__bounded__(__minbytes__,3,SHA256_DIGEST_STRING_LENGTH)));
89
90	void SHA384Init(SHA2_CTX *);
91	void SHA384Transform(u_int64_t state[8], const u_int8_t [SHA384_BLOCK_LENGTH]);
92	void SHA384Update(SHA2_CTX , const u_int8_t , size_t)
93	__attribute__((__bounded__(__string__,2,3)));
94	void SHA384Pad(SHA2_CTX *);
95	void SHA384Final(u_int8_t [SHA384_DIGEST_LENGTH], SHA2_CTX *)
96	__attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH)));
97	char SHA384End(SHA2_CTX , char *)
98	__attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
99	char SHA384File(const char , char *)
100	__attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
101	char SHA384FileChunk(const char , char *, off_t, off_t)
102	__attribute__((__bounded__(__minbytes__,2,SHA384_DIGEST_STRING_LENGTH)));
103	char SHA384Data(const u_int8_t , size_t, char *)
104	__attribute__((__bounded__(__string__,1,2)))
105	__attribute__((__bounded__(__minbytes__,3,SHA384_DIGEST_STRING_LENGTH)));
106
107	void SHA512Init(SHA2_CTX *);
108	void SHA512Transform(u_int64_t state[8], const u_int8_t [SHA512_BLOCK_LENGTH]);
109	void SHA512Update(SHA2_CTX , const u_int8_t , size_t)
110	__attribute__((__bounded__(__string__,2,3)));
111	void SHA512Pad(SHA2_CTX *);
112	void SHA512Final(u_int8_t [SHA512_DIGEST_LENGTH], SHA2_CTX *)
113	__attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH)));
114	char SHA512End(SHA2_CTX , char *)
115	__attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
116	char SHA512File(const char , char *)
117	__attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
118	char SHA512FileChunk(const char , char *, off_t, off_t)
119	__attribute__((__bounded__(__minbytes__,2,SHA512_DIGEST_STRING_LENGTH)));
120	char SHA512Data(const u_int8_t , size_t, char *)
121	__attribute__((__bounded__(__string__,1,2)))
122	__attribute__((__bounded__(__minbytes__,3,SHA512_DIGEST_STRING_LENGTH)));
123	__END_DECLS
124
125	#endif /* _SHA2_H */