mirror of
https://github.com/eclipse/tinydtls.git
synced 2025-10-16 23:40:14 +08:00
227 lines
7.2 KiB
C
227 lines
7.2 KiB
C
/*
|
|
* 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>
|
|
#include "tinydtls.h"
|
|
|
|
#ifdef IS_WINDOWS
|
|
#include <stdint.h>
|
|
|
|
typedef uint8_t u_int8_t;
|
|
typedef uint16_t u_int16_t;
|
|
typedef uint32_t u_int32_t;
|
|
typedef uint64_t u_int64_t;
|
|
|
|
#endif
|
|
|
|
#ifdef SHA2_USE_INTTYPES_H
|
|
|
|
#include <inttypes.h>
|
|
|
|
#endif /* SHA2_USE_INTTYPES_H */
|
|
|
|
|
|
/*** SHA-256/384/512 Various Length Definitions ***********************/
|
|
#define DTLS_SHA256_BLOCK_LENGTH 64
|
|
#define DTLS_SHA256_DIGEST_LENGTH 32
|
|
#define DTLS_SHA256_DIGEST_STRING_LENGTH (DTLS_SHA256_DIGEST_LENGTH * 2 + 1)
|
|
#define DTLS_SHA384_BLOCK_LENGTH 128
|
|
#define DTLS_SHA384_DIGEST_LENGTH 48
|
|
#define DTLS_SHA384_DIGEST_STRING_LENGTH (DTLS_SHA384_DIGEST_LENGTH * 2 + 1)
|
|
#define DTLS_SHA512_BLOCK_LENGTH 128
|
|
#define DTLS_SHA512_DIGEST_LENGTH 64
|
|
#define DTLS_SHA512_DIGEST_STRING_LENGTH (DTLS_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 _dtls_sha256_ctx {
|
|
uint32_t state[8];
|
|
uint64_t bitcount;
|
|
uint8_t buffer[DTLS_SHA256_BLOCK_LENGTH];
|
|
} dtls_sha256_ctx;
|
|
typedef struct _dtls_sha512_ctx {
|
|
uint64_t state[8];
|
|
uint64_t bitcount[2];
|
|
uint8_t buffer[DTLS_SHA512_BLOCK_LENGTH];
|
|
} dtls_sha512_ctx;
|
|
|
|
#else /* SHA2_USE_INTTYPES_H */
|
|
|
|
typedef struct _dtls_sha256_ctx {
|
|
u_int32_t state[8];
|
|
u_int64_t bitcount;
|
|
u_int8_t buffer[DTLS_SHA256_BLOCK_LENGTH];
|
|
} dtls_sha256_ctx;
|
|
typedef struct _dtls_sha512_ctx {
|
|
u_int64_t state[8];
|
|
u_int64_t bitcount[2];
|
|
u_int8_t buffer[DTLS_SHA512_BLOCK_LENGTH];
|
|
} dtls_sha512_ctx;
|
|
|
|
#endif /* SHA2_USE_INTTYPES_H */
|
|
|
|
typedef dtls_sha512_ctx dtls_sha384_ctx;
|
|
|
|
|
|
/*** SHA-256/384/512 Function Prototypes ******************************/
|
|
#ifndef NOPROTO
|
|
#ifdef SHA2_USE_INTTYPES_H
|
|
|
|
#ifdef WITH_SHA256
|
|
void dtls_sha256_init(dtls_sha256_ctx *);
|
|
void dtls_sha256_update(dtls_sha256_ctx*, const uint8_t*, size_t);
|
|
void dtls_sha256_final(uint8_t[DTLS_SHA256_DIGEST_LENGTH], dtls_sha256_ctx*);
|
|
char* dtls_sha256_end(dtls_sha256_ctx*, char[DTLS_SHA256_DIGEST_STRING_LENGTH]);
|
|
char* dtls_sha256_data(const uint8_t*, size_t, char[DTLS_SHA256_DIGEST_STRING_LENGTH]);
|
|
#endif
|
|
|
|
#ifdef WITH_SHA384
|
|
void dtls_sha384_init(dtls_sha384_ctx*);
|
|
void dtls_sha384_update(dtls_sha384_ctx*, const uint8_t*, size_t);
|
|
void dtls_sha384_final(uint8_t[DTLS_SHA384_DIGEST_LENGTH], dtls_sha384_ctx*);
|
|
char* dtls_sha384_end(dtls_sha384_ctx*, char[DTLS_SHA384_DIGEST_STRING_LENGTH]);
|
|
char* dtls_sha384_data(const uint8_t*, size_t, char[DTLS_SHA384_DIGEST_STRING_LENGTH]);
|
|
#endif
|
|
|
|
#ifdef WITH_SHA512
|
|
void dtls_sha512_init(dtls_sha512_ctx*);
|
|
void dtls_sha512_update(dtls_sha512_ctx*, const uint8_t*, size_t);
|
|
void dtls_sha512_final(uint8_t[DTLS_SHA512_DIGEST_LENGTH], dtls_sha512_ctx*);
|
|
char* dtls_sha512_end(dtls_sha512_ctx*, char[DTLS_SHA512_DIGEST_STRING_LENGTH]);
|
|
char* dtls_sha512_data(const uint8_t*, size_t, char[DTLS_SHA512_DIGEST_STRING_LENGTH]);
|
|
#endif
|
|
|
|
#else /* SHA2_USE_INTTYPES_H */
|
|
|
|
#ifdef WITH_SHA256
|
|
void dtls_sha256_init(dtls_sha256_ctx *);
|
|
void dtls_sha256_update(dtls_sha256_ctx*, const u_int8_t*, size_t);
|
|
void dtls_sha256_final(u_int8_t[DTLS_SHA256_DIGEST_LENGTH], dtls_sha256_ctx*);
|
|
char* dtls_sha256_end(dtls_sha256_ctx*, char[DTLS_SHA256_DIGEST_STRING_LENGTH]);
|
|
char* dtls_sha256_data(const u_int8_t*, size_t, char[DTLS_SHA256_DIGEST_STRING_LENGTH]);
|
|
#endif
|
|
|
|
#ifdef WITH_SHA384
|
|
void dtls_sha384_init(dtls_sha384_ctx*);
|
|
void dtls_sha384_update(dtls_sha384_ctx*, const u_int8_t*, size_t);
|
|
void dtls_sha384_final(u_int8_t[DTLS_SHA384_DIGEST_LENGTH], dtls_sha384_ctx*);
|
|
char* dtls_sha384_end(dtls_sha384_ctx*, char[DTLS_SHA384_DIGEST_STRING_LENGTH]);
|
|
char* dtls_sha384_data(const u_int8_t*, size_t, char[DTLS_SHA384_DIGEST_STRING_LENGTH]);
|
|
#endif
|
|
|
|
#ifdef WITH_SHA512
|
|
void dtls_sha512_init(dtls_sha512_ctx*);
|
|
void dtls_sha512_update(dtls_sha512_ctx*, const u_int8_t*, size_t);
|
|
void dtls_sha512_final(u_int8_t[DTLS_SHA512_DIGEST_LENGTH], dtls_sha512_ctx*);
|
|
char* dtls_sha512_end(dtls_sha512_ctx*, char[DTLS_SHA512_DIGEST_STRING_LENGTH]);
|
|
char* dtls_sha512_data(const u_int8_t*, size_t, char[DTLS_SHA512_DIGEST_STRING_LENGTH]);
|
|
#endif
|
|
|
|
#endif /* SHA2_USE_INTTYPES_H */
|
|
|
|
#else /* NOPROTO */
|
|
|
|
#ifdef WITH_SHA256
|
|
void dtls_sha256_init();
|
|
void dtls_sha256_update();
|
|
void dtls_sha256_final();
|
|
char* dtls_sha256_end();
|
|
char* dtls_sha256_data();
|
|
#endif
|
|
|
|
#ifdef WITH_SHA384
|
|
void dtls_sha384_init();
|
|
void dtls_sha384_update();
|
|
void dtls_sha384_final();
|
|
char* dtls_sha384_end();
|
|
char* dtls_sha384_data();
|
|
#endif
|
|
|
|
#ifdef WITH_SHA512
|
|
void dtls_sha512_init();
|
|
void dtls_sha512_update();
|
|
void dtls_sha512_final();
|
|
char* dtls_sha512_end();
|
|
char* dtls_sha512_data();
|
|
#endif
|
|
|
|
#endif /* NOPROTO */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
#endif /* __SHA2_H__ */
|
|
|