116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
/**
|
|
* \file sha1.h
|
|
* based from http://xyssl.org/code/source/sha1/
|
|
* FIPS-180-1 compliant SHA-1 implementation
|
|
*
|
|
* Copyright (C) 2003-2006 Christophe Devine
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License, version 2.1 as published by the Free Software Foundation.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
* MA 02110-1301 USA
|
|
*/
|
|
/*
|
|
* The SHA-1 standard was published by NIST in 1993.
|
|
*
|
|
* http://www.itl.nist.gov/fipspubs/fip180-1.htm
|
|
*/
|
|
#ifndef _SHA1_H
|
|
#define _SHA1_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#define SHA1_SUM_POS -0x20
|
|
#define SHA1_SUM_LEN 20
|
|
|
|
/**
|
|
* \brief SHA-1 context structure
|
|
*/
|
|
typedef struct
|
|
{
|
|
unsigned long total[2]; /*!< number of bytes processed */
|
|
unsigned long state[5]; /*!< intermediate digest state */
|
|
unsigned char buffer[64]; /*!< data block being processed */
|
|
}
|
|
sha1_context;
|
|
|
|
/**
|
|
* \brief SHA-1 context setup
|
|
*
|
|
* \param ctx SHA-1 context to be initialized
|
|
*/
|
|
void sha1_starts( sha1_context *ctx );
|
|
|
|
/**
|
|
* \brief SHA-1 process buffer
|
|
*
|
|
* \param ctx SHA-1 context
|
|
* \param input buffer holding the data
|
|
* \param ilen length of the input data
|
|
*/
|
|
void sha1_update( sha1_context *ctx, unsigned char *input, int ilen );
|
|
|
|
/**
|
|
* \brief SHA-1 final digest
|
|
*
|
|
* \param ctx SHA-1 context
|
|
* \param output SHA-1 checksum result
|
|
*/
|
|
void sha1_finish( sha1_context *ctx, unsigned char output[20] );
|
|
|
|
/**
|
|
* \brief Output = SHA-1( input buffer )
|
|
*
|
|
* \param input buffer holding the data
|
|
* \param ilen length of the input data
|
|
* \param output SHA-1 checksum result
|
|
*/
|
|
void sha1_csum( unsigned char *input, int ilen,
|
|
unsigned char output[20] );
|
|
|
|
/**
|
|
* \brief Output = SHA-1( file contents )
|
|
*
|
|
* \param path input file name
|
|
* \param output SHA-1 checksum result
|
|
* \return 0 if successful, or 1 if fopen failed
|
|
*/
|
|
int sha1_file( char *path, unsigned char output[20] );
|
|
|
|
/**
|
|
* \brief Output = HMAC-SHA-1( input buffer, hmac key )
|
|
*
|
|
* \param key HMAC secret key
|
|
* \param keylen length of the HMAC key
|
|
* \param input buffer holding the data
|
|
* \param ilen length of the input data
|
|
* \param output HMAC-SHA-1 result
|
|
*/
|
|
void sha1_hmac( unsigned char *key, int keylen,
|
|
unsigned char *input, int ilen,
|
|
unsigned char output[20] );
|
|
|
|
/**
|
|
* \brief Checkup routine
|
|
*
|
|
* \return 0 if successful, or 1 if the test failed
|
|
*/
|
|
int sha1_self_test( void );
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* sha1.h */
|