mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-19 01:33:10 +00:00
4e883522ba
sha1 digest size is 5*32-bit => 160-bit. Using 64-bit unsigned long does not cause issue with the current sha1 implementation, but could be problematic for vectorized access. Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
/* SPDX-License-Identifier: LGPL-2.1 */
|
|
/**
|
|
* \file sha1.h
|
|
* based from http://xyssl.org/code/source/sha1/
|
|
* FIPS-180-1 compliant SHA-1 implementation
|
|
*
|
|
* Copyright (C) 2003-2006 Christophe Devine
|
|
*/
|
|
/*
|
|
* 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
|
|
#define SHA1_DER_LEN 15
|
|
|
|
extern const uint8_t sha1_der_prefix[];
|
|
|
|
/**
|
|
* \brief SHA-1 context structure
|
|
*/
|
|
typedef struct
|
|
{
|
|
unsigned long total[2]; /*!< number of bytes processed */
|
|
uint32_t 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, const unsigned char *input,
|
|
unsigned 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(const unsigned char *input, unsigned int ilen,
|
|
unsigned char *output);
|
|
|
|
/**
|
|
* \brief Output = SHA-1( input buffer ), with watchdog triggering
|
|
*
|
|
* \param input buffer holding the data
|
|
* \param ilen length of the input data
|
|
* \param output SHA-1 checksum result
|
|
* \param chunk_sz watchdog triggering period (in bytes of input processed)
|
|
*/
|
|
void sha1_csum_wd(const unsigned char *input, unsigned int ilen,
|
|
unsigned char *output, unsigned int chunk_sz);
|
|
|
|
/**
|
|
* \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(const unsigned char *key, int keylen,
|
|
const unsigned char *input, unsigned int ilen,
|
|
unsigned char *output);
|
|
|
|
/**
|
|
* \brief Checkup routine
|
|
*
|
|
* \return 0 if successful, or 1 if the test failed
|
|
*/
|
|
int sha1_self_test( void );
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* sha1.h */
|