include/beecrypt/sha1.h File Reference

SHA-1 hash function, headers. More...

#include "beecrypt/beecrypt.h"
#include "beecrypt/sha1opt.h"

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Data Structures
struct	sha1Param
	Holds all the parameters necessary for the SHA-1 algorithm. More...
Functions
BEECRYPTAPI void	sha1Process (sha1Param *sp)
	This function performs the core of the SHA-1 hash algorithm; it processes a block of 64 bytes.
BEECRYPTAPI int	sha1Reset (sha1Param *sp)
	This function resets the parameter block so that it's ready for a new hash.
BEECRYPTAPI int	sha1Update (sha1Param *sp, const byte *data, size_t size)
	This function should be used to pass successive blocks of data to be hashed.
BEECRYPTAPI int	sha1Digest (sha1Param *sp, byte *digest)
	This function finishes the current hash computation and copies the digest value into digest.
Variables
BEECRYPTAPI const hashFunction	sha1
	Holds the full API description of the MD5 algorithm.

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Detailed Description

SHA-1 hash function, headers.

Author:

Bob Deblier <bob.deblier@telenet.be>

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Function Documentation

int sha1Digest	(	sha1Param *	sp,
		byte *	digest
	)

This function finishes the current hash computation and copies the digest value into digest.

Parameters:

	sp	The hash function's parameter block.
	digest	The place to store the 20-byte digest.

Return values:

0

on success.

void sha1Process

(

sha1Param *

sp

)

This function performs the core of the SHA-1 hash algorithm; it processes a block of 64 bytes.

Parameters:

sp

The hash function's parameter block.

int sha1Reset

(

sha1Param *

sp

)

This function resets the parameter block so that it's ready for a new hash.

Parameters:

sp

The hash function's parameter block.

Return values:

0

on success.

int sha1Update	(	sha1Param *	sp,
		const byte *	data,
		size_t	size
	)

This function should be used to pass successive blocks of data to be hashed.

Parameters:

	sp	The hash function's parameter block.
	data
	size

Return values:

0

on success.

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Variable Documentation

sha1

Holds the full API description of the MD5 algorithm.

Holds the full API description of the SHA-1 algorithm.