sha512.h File Reference

SHA-512 hash function, headers. More...

#include "beecrypt/beecrypt.h"

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Data Structures
struct	sha512Param
	Holds all the parameters necessary for the SHA-512 algorithm. More...

Functions
void	sha512Process (sha512Param *sp)
	This function performs the core of the SHA-512 hash algorithm; it processes a block of 128 bytes.
int	sha512Reset (sha512Param *sp)
	This function resets the parameter block so that it's ready for a new hash.
int	sha512Update (sha512Param *sp, const byte *data, size_t size)
	This function should be used to pass successive blocks of data to be hashed.
int	sha512Digest (sha512Param *sp, byte *digest)
	This function finishes the current hash computation and copies the digest value into digest.

Variables
const hashFunction	sha512
	Holds the full API description of the SHA-512 algorithm.

Detailed Description

SHA-512 hash function, headers.

Author

Bob Deblier bob.d.nosp@m.ebli.nosp@m.er@te.nosp@m.lene.nosp@m.t.be

Function Documentation

sha512Digest()

int sha512Digest	(	sha512Param *	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 64-byte digest.

Return values

0	on success.

sha512Process()

void sha512Process

(

sha512Param *

sp

)

This function performs the core of the SHA-512 hash algorithm; it processes a block of 128 bytes.

Parameters

sp	The hash function's parameter block.

References BEECRYPTAPI.

sha512Reset()

int sha512Reset

(

sha512Param *

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.

References BEECRYPTAPI.

sha512Update()

int sha512Update	(	sha512Param *	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.

References BEECRYPTAPI.

Variable Documentation

sha512

const hashFunction sha512

extern

Holds the full API description of the SHA-512 algorithm.