hmac.c File Reference

#include <stddef.h>
#include <stdint.h>
#include <string.h>
#include "attributes.h"
#include "hmac.h"
#include "md5.h"
#include "sha.h"
#include "sha512.h"
#include "mem.h"

Go to the source code of this file.

Data Structures
struct	AVHMAC

Macros
#define	MAX_HASHLEN   64
#define	MAX_BLOCKLEN   128
#define	DEFINE_SHA(bits)
#define	DEFINE_SHA512(bits)

Typedefs
typedef void(*	hmac_final) (void *ctx, uint8_t *dst)
typedef void(*	hmac_update) (void *ctx, const uint8_t *src, size_t len)
typedef void(*	hmac_init) (void *ctx)

Functions
AVHMAC *	av_hmac_alloc (enum AVHMACType type)
	Allocate an AVHMAC context. More...
void	av_hmac_free (AVHMAC *c)
	Free an AVHMAC context. More...
void	av_hmac_init (AVHMAC *c, const uint8_t *key, unsigned int keylen)
	Initialize an AVHMAC context with an authentication key. More...
void	av_hmac_update (AVHMAC *c, const uint8_t *data, unsigned int len)
	Hash data with the HMAC. More...
int	av_hmac_final (AVHMAC *c, uint8_t *out, unsigned int outlen)
	Finish hashing and output the HMAC digest. More...
int	av_hmac_calc (AVHMAC *c, const uint8_t *data, unsigned int len, const uint8_t *key, unsigned int keylen, uint8_t *out, unsigned int outlen)
	Hash an array of data with a key. More...

Macro Definition Documentation

MAX_HASHLEN

#define MAX_HASHLEN   64

Definition at line 32 of file hmac.c.

MAX_BLOCKLEN

#define MAX_BLOCKLEN   128

Definition at line 33 of file hmac.c.

DEFINE_SHA

#define DEFINE_SHA

(

bits

)

Value:

static av_cold void sha ## bits ##_init(void *ctx) \
{                                                  \
    av_sha_init(ctx, bits);                        \
}

Definition at line 49 of file hmac.c.

DEFINE_SHA512

#define DEFINE_SHA512

(

bits

)

Value:

static av_cold void sha ## bits ##_init(void *ctx) \
{                                                  \
    av_sha512_init(ctx, bits);                     \
}

Definition at line 55 of file hmac.c.

Typedef Documentation

hmac_final

typedef void(* hmac_final) (void *ctx, uint8_t *dst)

Definition at line 35 of file hmac.c.

hmac_update

typedef void(* hmac_update) (void *ctx, const uint8_t *src, size_t len)

Definition at line 36 of file hmac.c.

hmac_init

typedef void(* hmac_init) (void *ctx)

Definition at line 37 of file hmac.c.