hmac.c File Reference

#include "common.h"
#include <assert.h>
#include <stdlib.h>
#include <openssl/md5.h>
#include <openssl/sha.h>
#include <openssl/evp.h>
#include <strings.h>
#include <string.h>
#include "hmac.h"
#include "tiger.h"

Functions
void	i2_hmac_md5 (const unsigned char *text, int text_len, const unsigned char *key, int key_len, uint8_t *digest)
	hmac_md5 implementation
void	i2_hmac_sha1 (const unsigned char *text, int text_len, const unsigned char *key, int key_len, uint8_t *digest)
	hmac_sha1 implementation
void	i2_des_mac (const uint8_t *msg, uint32_t mlen, const uint8_t *key, uint8_t *digest)
	Implementation of MAC_DES integrity algorithm, description: FIPS81 appendix F.
void	i2_hmac_tiger (const uint8_t *text, int text_len, const uint8_t *key, int key_len, uint8_t *digest)
	HMAC_TIGER implementation based on RFC2104 rules. Digest length is 192 bits (24 bytes).

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Function Documentation

void i2_des_mac (  const uint8_t *  msg, uint32_t  mlen, const uint8_t *  key, uint8_t *  digest )

Implementation of MAC_DES integrity algorithm, description: FIPS81 appendix F. Parameters: msg  message mlen  message length key  integrity key - must be 8 bytes digest  MAC DES message digest

void i2_hmac_md5 (  const unsigned char *  text, int  text_len, const unsigned char *  key, int  key_len, uint8_t *  digest )

hmac_md5 implementation Parameters: text  pointer to data stream text_len  length of data stream key  pointer to authentication key key_len  length of authentication key digest  caller digest to be filled in

void i2_hmac_sha1 (  const unsigned char *  text, int  text_len, const unsigned char *  key, int  key_len, uint8_t *  digest )

hmac_sha1 implementation Parameters: text  pointer to data stream text_len  length of data stream key  pointer to authentication key key_len  length of authentication key digest  caller digest to be filled in

void i2_hmac_tiger (  const uint8_t *  text, int  text_len, const uint8_t *  key, int  key_len, uint8_t *  digest )

HMAC_TIGER implementation based on RFC2104 rules. Digest length is 192 bits (24 bytes). Parameters: text  message text text_len  length of the message text key  HMAC key key_len  HMAC key length digest  result digest

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