integ.c File Reference

#include "common.h"
#include <stdlib.h>
#include "integ.h"
#include "hmac.h"
#include "enums.h"

Functions
uint32_t	GetIntegKeyLen (uint32_t type)
	get the key length for a given integrity algorithm
uint32_t	GetChecksumLen (uint32_t type)
	Get checksum length of a given integrity algorithm.
uint32_t	GetIntegDigestLen (uint32_t type)
	Get digest length used by sepcified integrity algorithm.
int	IntegKeyLenValid (uint32_t type, uint32_t keylen)
	Check for valid key length.
void	integ (const uint8_t *key, uint32_t klen, const uint8_t *text, uint32_t tlen, uint8_t **res, uint32_t *rlen, uint32_t integtype)

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Function Documentation

uint32_t GetChecksumLen (  uint32_t  type  )  [inline]

Get checksum length of a given integrity algorithm. Parameters: type  type of integrity algorithm Returns: length in bytes

uint32_t GetIntegDigestLen (  uint32_t  type  )  [inline]

Get digest length used by sepcified integrity algorithm. Parameters: type  integrity algorithm type Returns: length of digest in bytes

uint32_t GetIntegKeyLen (  uint32_t  type  )  [inline]

get the key length for a given integrity algorithm Parameters: type  type of the integrity algorithm Returns: integrity key length in bytes

void integ (  const uint8_t *  key, uint32_t  klen, const uint8_t *  text, uint32_t  tlen, uint8_t **  res, uint32_t *  rlen, uint32_t  integtype )

int IntegKeyLenValid (  uint32_t  type, uint32_t  keylen )  [inline]

Check for valid key length. Parameters: type  integrity algorithm keylen  key length in bytes Returns: 1 on succes, 0 otherwise

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