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ruby--ruby/ext/digest/sha2/sha2.h
knu 76d7dae26a Import the "digest" module and the submodules, from the Rough Ruby
project.

  ext/digest:
    This module provides the module Digest and the abstract class
    Digest::Base.

  ext/digest/md5 (which obsoletes ext/md5):
    This module provides the class Digest::MD5 which implements the
    MD5 Message-Digest Algorithm.

  ext/digest/rmd160:
    This module provides the class Digest::RMD160 which implements the
    RIPEMD-160 cryptographic hash function.

  ext/digest/sha1 (which obsoletes ext/sha1):
    This module provides the class Digest::SHA1 which implements the
    SHA-1 Secure Hash Algorithm.

  ext/digest/sha2:
    This module provides the classes Digest::SHA256, Digest::SHA384
    and Digest::SHA512 which implement the SHA-256, SHA-384 and
    SHA-512 Secure Hash Algorithms, respectively.

  lib/md5.rb, lib/sha1.rb:
    These files are provided for backward compatibility.

All these classes have the common API, which previously ext/md5 and
ext/sha1 modules provided.  While the new API keeps 100% backward
compatibility, it has been enriched with several utility methods.

Read digest.txt for further details.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1609 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2001-07-13 20:06:14 +00:00

107 lines
3.9 KiB
C

/*
* 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.
*
*/
/* $RoughId: sha2.h,v 1.2 2001/07/13 19:49:10 knu Exp $ */
/* $Id$ */
#ifndef __SHA2_H__
#define __SHA2_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "defs.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 *******************************/
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;
typedef SHA512_CTX SHA384_CTX;
/*** SHA-256/384/512 Function Prototypes ******************************/
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]));
char *SHA256_File _((char *, char *));
int SHA256_Equal _((SHA256_CTX*, SHA256_CTX*));
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]));
char *SHA384_File _((char *, char *));
int SHA384_Equal _((SHA384_CTX*, SHA384_CTX*));
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]));
char *SHA512_File _((char *, char *));
int SHA512_Equal _((SHA512_CTX*, SHA512_CTX*));
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __SHA2_H__ */