Referencia del Archivo src/libdigidoc/openssl/crypto/hmac/hmac.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cryptlib.h"
#include <openssl/hmac.h>

Funciones
void	HMAC_Init_ex (HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md, ENGINE *impl)
void	HMAC_Init (HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md)
void	HMAC_Update (HMAC_CTX *ctx, const unsigned char *data, size_t len)
void	HMAC_Final (HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
void	HMAC_CTX_init (HMAC_CTX *ctx)
void	HMAC_CTX_cleanup (HMAC_CTX *ctx)
unsigned char *	HMAC (const EVP_MD *evp_md, const void *key, int key_len, const unsigned char *d, size_t n, unsigned char *md, unsigned int *md_len)
void	HMAC_CTX_set_flags (HMAC_CTX *ctx, unsigned long flags)

---

Documentación de las funciones

unsigned char* HMAC	(	const EVP_MD *	evp_md,
		const void *	key,
		int	key_len,
		const unsigned char *	d,
		size_t	n,
		unsigned char *	md,
		unsigned int *	md_len
	)

void HMAC_CTX_cleanup

(

HMAC_CTX *

ctx

)

void HMAC_CTX_init

(

HMAC_CTX *

ctx

)

void HMAC_CTX_set_flags	(	HMAC_CTX *	ctx,
		unsigned long	flags
	)

void HMAC_Final	(	HMAC_CTX *	ctx,
		unsigned char *	md,
		unsigned int *	len
	)

void HMAC_Init	(	HMAC_CTX *	ctx,
		const void *	key,
		int	len,
		const EVP_MD *	md
	)

void HMAC_Init_ex	(	HMAC_CTX *	ctx,
		const void *	key,
		int	len,
		const EVP_MD *	md,
		ENGINE *	impl
	)

void HMAC_Update	(	HMAC_CTX *	ctx,
		const unsigned char *	data,
		size_t	len
	)