src/hmac-sha.h

#ifndef HMACSHA1_H_
#define HMACSHA1_H_

#include "sha1.h"

#define HMAC_SHA1_BITS        SHA1_HASH_BITS
#define HMAC_SHA1_BYTES       SHA1_HASH_BYTES
#define HMAC_SHA1_BLOCK_BITS  SHA1_BLOCK_BITS
#define HMAC_SHA1_BLOCK_BYTES SHA1_BLOCK_BYTES

typedef struct{
    sha1_ctx_t a, b;
} hmac_sha1_ctx_t;


void hmac_sha1_init(hmac_sha1_ctx_t *s, const void *key, uint16_t keylength_b);
void hmac_sha1_nextBlock(hmac_sha1_ctx_t *s, const void *block);
void hmac_sha1_lastBlock(hmac_sha1_ctx_t *s, const void *block, uint16_t length_b);
void hmac_sha1_final(void *dest, hmac_sha1_ctx_t *s);

void hmac_sha1(void *dest, const void *key, uint16_t keylength_b, const void *msg, uint32_t msglength_b);

#endif /*HMACSHA1_H_*/