136 lines
4.8 KiB
C
136 lines
4.8 KiB
C
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/* @(#)sha2.h 1.5 10/08/27 2009-2010 J. Schilling */
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/*
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* SHA2 hash code taken from OpenBSD
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*
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* Portions Copyright (c) 2009-2010 J. Schilling
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*/
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/* $OpenBSD: sha2.h,v 1.7 2008/09/06 12:00:19 djm Exp $ */
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/*
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* FILE: sha2.h
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* AUTHOR: Aaron D. Gifford <me@aarongifford.com>
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*
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* Copyright (c) 2000-2001, Aaron D. Gifford
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* 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 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 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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* $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
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*/
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#ifndef _SCHILY_SHA2_H
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#define _SCHILY_SHA2_H
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#ifndef _SCHILY_MCONFIG_H
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#include <schily/mconfig.h>
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#endif
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#include <schily/utypes.h>
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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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#ifdef HAVE_LONGLONG
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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_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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#else
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#define _SHA512_BLOCK_LENGTH 128
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#endif
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/* ** SHA-256/384/512 Context Structure ****************************** */
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typedef struct _SHA2_CTX {
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union {
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UInt32_t st32[8];
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#ifdef HAVE_LONGLONG
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UInt64_t st64[8];
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#else
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UInt32_t st64[16]; /* Keep original size */
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#endif
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} state;
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#ifdef HAVE_LONGLONG
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UInt64_t bitcount[2];
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#else
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UInt32_t bitcount[4];
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#endif
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UInt8_t buffer[_SHA512_BLOCK_LENGTH];
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} SHA2_CTX;
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void SHA256Init __PR((SHA2_CTX *));
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extern void SHA256Transform __PR((UInt32_t state[8],
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const UInt8_t [SHA256_BLOCK_LENGTH]));
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extern void SHA256Update __PR((SHA2_CTX *, const UInt8_t *, size_t));
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extern void SHA256Pad __PR((SHA2_CTX *));
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extern void SHA256Final __PR((UInt8_t [SHA256_DIGEST_LENGTH],
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SHA2_CTX *));
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extern char *SHA256End __PR((SHA2_CTX *, char *));
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extern char *SHA256File __PR((const char *, char *));
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extern char *SHA256FileChunk __PR((const char *, char *, off_t, off_t));
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extern char *SHA256Data __PR((const UInt8_t *, size_t, char *));
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#ifdef HAVE_LONGLONG
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extern void SHA384Init __PR((SHA2_CTX *));
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extern void SHA384Transform __PR((UInt64_t state[8],
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const UInt8_t [SHA384_BLOCK_LENGTH]));
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extern void SHA384Update __PR((SHA2_CTX *, const UInt8_t *, size_t));
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extern void SHA384Pad __PR((SHA2_CTX *));
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extern void SHA384Final __PR((UInt8_t [SHA384_DIGEST_LENGTH],
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SHA2_CTX *));
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extern char *SHA384End __PR((SHA2_CTX *, char *));
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extern char *SHA384File __PR((const char *, char *));
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extern char *SHA384FileChunk __PR((const char *, char *, off_t, off_t));
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extern char *SHA384Data __PR((const UInt8_t *, size_t, char *));
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extern void SHA512Init __PR((SHA2_CTX *));
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extern void SHA512Transform __PR((UInt64_t state[8],
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const UInt8_t [SHA512_BLOCK_LENGTH]));
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extern void SHA512Update __PR((SHA2_CTX *, const UInt8_t *, size_t));
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extern void SHA512Pad __PR((SHA2_CTX *));
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extern void SHA512Final __PR((UInt8_t [SHA512_DIGEST_LENGTH],
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SHA2_CTX *));
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extern char *SHA512End __PR((SHA2_CTX *, char *));
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extern char *SHA512File __PR((const char *, char *));
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extern char *SHA512FileChunk __PR((const char *, char *, off_t, off_t));
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extern char *SHA512Data __PR((const UInt8_t *, size_t, char *));
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SCHILY_SHA2_H */
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