hmac.h

HMAC-SHA-256 implementation. \par License: GNU GPL v3.0 \par Reference: RFC 2104 \par Reference: RFC 4231.

Author

Anthony Cagliano

Functions

bool tls_hmac_context_init(struct tls_hmac_context *ctx, uint8_t algorithm, const uint8_t *key, size_t keylen)

void tls_hmac_update(struct tls_hmac_context *ctx, const uint8_t *data, size_t len)

void tls_hmac_digest(struct tls_hmac_context *ctx, uint8_t *digest)

struct tls_hmac_context

#include <hmac.h>

Public Members

uint8_t digestlen

void (*update)(struct tls_hmac_context *ctx, const uint8_t *data, size_t len)

void (*digest)(struct tls_hmac_context *ctx, uint8_t *digest)

bool (*_init)(void *ctx)

void (*_update)(void *ctx, const uint8_t *data, size_t len)

void (*_final)(void *ctx, uint8_t *digest)

uint8_t ipad[64]

holds the key xored with a magic value to be hashed with the inner digest

uint8_t opad[64]

holds the key xored with a magic value to be hashed with the outer digest

struct tls_sha256_context sha256

union tls_hmac_context _private