ocrypto_hmac_sha256_init()

void ocrypto_hmac_sha256_init	(	ocrypto_hmac_sha256_ctx *	ctx,
		const uint8_t *	key,
		size_t	key_len
	)

#include <crypto/nrf_oberon/include/ocrypto_hmac_sha256.h>

HMAC-SHA-256 initialization.

The generator state ctx is initialized by this function.

Parameters

[out]	ctx	Generator state.
	key	HMAC key.
	key_len	Length of key.