[apt.git] / apt-pkg / contrib / sha2.h

/*
 * FILE:	sha2.h
 * AUTHOR:	Aaron D. Gifford - http://www.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.
 *
 * $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
 */

#ifndef __SHA2_H__
#define __SHA2_H__

#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>

#ifdef SHA2_USE_INTTYPES_H

#include <inttypes.h>

#endif /* SHA2_USE_INTTYPES_H */


/*** 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 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 ...
 */
#ifdef 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 ******************************/
#ifndef NOPROTO
#ifdef SHA2_USE_INTTYPES_H

void SHA256_Init(SHA256_CTX *);
void SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
char* SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);

void SHA384_Init(SHA384_CTX*);
void SHA384_Update(SHA384_CTX*, const uint8_t*, size_t);
void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
char* SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);

void SHA512_Init(SHA512_CTX*);
void SHA512_Update(SHA512_CTX*, const uint8_t*, size_t);
void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
char* SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);

#else /* SHA2_USE_INTTYPES_H */

void SHA256_Init(SHA256_CTX *);
void SHA256_Update(SHA256_CTX*, const u_int8_t*, size_t);
void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);

void SHA384_Init(SHA384_CTX*);
void SHA384_Update(SHA384_CTX*, const u_int8_t*, size_t);
void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);

void SHA512_Init(SHA512_CTX*);
void SHA512_Update(SHA512_CTX*, const u_int8_t*, size_t);
void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);

#endif /* SHA2_USE_INTTYPES_H */

#else /* NOPROTO */

void SHA256_Init();
void SHA256_Update();
void SHA256_Final();
char* SHA256_End();
char* SHA256_Data();

void SHA384_Init();
void SHA384_Update();
void SHA384_Final();
char* SHA384_End();
char* SHA384_Data();

void SHA512_Init();
void SHA512_Update();
void SHA512_Final();
char* SHA512_End();
char* SHA512_Data();

#endif /* NOPROTO */

#ifdef	__cplusplus
}
#endif /* __cplusplus */

#endif /* __SHA2_H__ */
Commit	Line	Data
54ce88fd MV	1	/*
	2	* FILE: sha2.h
	3	* AUTHOR: Aaron D. Gifford - http://www.aarongifford.com/
	4	*
	5	* Copyright (c) 2000-2001, Aaron D. Gifford
	6	* All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	* 1. Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* 2. Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in the
	15	* documentation and/or other materials provided with the distribution.
	16	* 3. Neither the name of the copyright holder nor the names of contributors
	17	* may be used to endorse or promote products derived from this software
	18	* without specific prior written permission.
	19	*
	20	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
	21	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	22	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	23	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
	24	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	25	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	26	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	27	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	28	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	29	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	30	* SUCH DAMAGE.
	31	*
	32	* $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
	33	*/
	34
	35	#ifndef __SHA2_H__
	36	#define __SHA2_H__
	37
	38	#ifdef __cplusplus
	39	extern "C" {
	40	#endif
	41
	42
	43	/*
	44	* Import u_intXX_t size_t type definitions from system headers. You
	45	* may need to change this, or define these things yourself in this
	46	* file.
	47	*/
	48	#include <sys/types.h>
	49
	50	#ifdef SHA2_USE_INTTYPES_H
	51
	52	#include <inttypes.h>
	53
	54	#endif /* SHA2_USE_INTTYPES_H */
	55
	56
	57	/* SHA-256/384/512 Various Length Definitions *********************/
	58	#define SHA256_BLOCK_LENGTH 64
	59	#define SHA256_DIGEST_LENGTH 32
	60	#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
	61	#define SHA384_BLOCK_LENGTH 128
	62	#define SHA384_DIGEST_LENGTH 48
	63	#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
	64	#define SHA512_BLOCK_LENGTH 128
65	#define SHA512_DIGEST_LENGTH 64
66	#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
67
68
69	/* SHA-256/384/512 Context Structures *****************************/
70	/* NOTE: If your architecture does not define either u_intXX_t types or
71	* uintXX_t (from inttypes.h), you may need to define things by hand
72	* for your system:
73	*/
74	#if 0
75	typedef unsigned char u_int8_t; /* 1-byte (8-bits) */
76	typedef unsigned int u_int32_t; /* 4-bytes (32-bits) */
77	typedef unsigned long long u_int64_t; /* 8-bytes (64-bits) */
78	#endif
79	/*
80	* Most BSD systems already define u_intXX_t types, as does Linux.
81	* Some systems, however, like Compaq's Tru64 Unix instead can use
82	* uintXX_t types defined by very recent ANSI C standards and included
83	* in the file:
84	*
85	* #include <inttypes.h>
86	*
87	* If you choose to use <inttypes.h> then please define:
88	*
89	* #define SHA2_USE_INTTYPES_H
90	*
91	* Or on the command line during compile:
92	*
93	* cc -DSHA2_USE_INTTYPES_H ...
94	*/
95	#ifdef SHA2_USE_INTTYPES_H
96
97	typedef struct _SHA256_CTX {
98	uint32_t state[8];
99	uint64_t bitcount;
100	uint8_t buffer[SHA256_BLOCK_LENGTH];
101	} SHA256_CTX;
102	typedef struct _SHA512_CTX {
103	uint64_t state[8];
104	uint64_t bitcount[2];
105	uint8_t buffer[SHA512_BLOCK_LENGTH];
106	} SHA512_CTX;
107
108	#else /* SHA2_USE_INTTYPES_H */
109
110	typedef struct _SHA256_CTX {
111	u_int32_t state[8];
112	u_int64_t bitcount;
113	u_int8_t buffer[SHA256_BLOCK_LENGTH];
114	} SHA256_CTX;
115	typedef struct _SHA512_CTX {
116	u_int64_t state[8];
117	u_int64_t bitcount[2];
118	u_int8_t buffer[SHA512_BLOCK_LENGTH];
119	} SHA512_CTX;
120
121	#endif /* SHA2_USE_INTTYPES_H */
122
123	typedef SHA512_CTX SHA384_CTX;
124
125
126	/* SHA-256/384/512 Function Prototypes ****************************/
127	#ifndef NOPROTO
128	#ifdef SHA2_USE_INTTYPES_H
129
130	void SHA256_Init(SHA256_CTX *);
131	void SHA256_Update(SHA256_CTX, const uint8_t, size_t);
132	void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
133	char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
134	char* SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
135
136	void SHA384_Init(SHA384_CTX*);
137	void SHA384_Update(SHA384_CTX, const uint8_t, size_t);
138	void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
139	char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
140	char* SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
141
142	void SHA512_Init(SHA512_CTX*);
143	void SHA512_Update(SHA512_CTX, const uint8_t, size_t);
144	void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
145	char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
146	char* SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
147
148	#else /* SHA2_USE_INTTYPES_H */
149
150	void SHA256_Init(SHA256_CTX *);
151	void SHA256_Update(SHA256_CTX, const u_int8_t, size_t);
152	void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
153	char* SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
154	char* SHA256_Data(const u_int8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
155
156	void SHA384_Init(SHA384_CTX*);
157	void SHA384_Update(SHA384_CTX, const u_int8_t, size_t);
158	void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
159	char* SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
160	char* SHA384_Data(const u_int8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
161
162	void SHA512_Init(SHA512_CTX*);
163	void SHA512_Update(SHA512_CTX, const u_int8_t, size_t);
164	void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
165	char* SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
166	char* SHA512_Data(const u_int8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);
167
168	#endif /* SHA2_USE_INTTYPES_H */
169
170	#else /* NOPROTO */
171
172	void SHA256_Init();
173	void SHA256_Update();
174	void SHA256_Final();
175	char* SHA256_End();
176	char* SHA256_Data();
177
178	void SHA384_Init();
179	void SHA384_Update();
180	void SHA384_Final();
181	char* SHA384_End();
182	char* SHA384_Data();
183
184	void SHA512_Init();
185	void SHA512_Update();
186	void SHA512_Final();
187	char* SHA512_End();
188	char* SHA512_Data();
189
190	#endif /* NOPROTO */
191
192	#ifdef __cplusplus
193	}
194	#endif /* __cplusplus */
195
196	#endif /* __SHA2_H__ */
197