mac.h File Reference

#include <stddef.h>
#include <stdint.h>
#include "core/keys.h"
#include "core/crypt.h"
#include "core/utils.h"

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Functions
MagmaResult	magma_mac (const unsigned char keys[ITER_KEYS_COUNT][ITER_KEY_LEN], const size_t mac_size, const unsigned char *input, unsigned char *mac, const size_t length)
	Processing data to produce a Message Authentication Code (MAC) using the specified keys.
MagmaResult	calc_additional_keys (unsigned char K1_output[MAGMA_BLOCK_SIZE], unsigned char K2_output[MAGMA_BLOCK_SIZE], const unsigned char keys[ITER_KEYS_COUNT][ITER_KEY_LEN])
	Calculates additional keys K1 and K2 used in the MAC generation process.

Function Documentation

calc_additional_keys()

MagmaResult calc_additional_keys	(	unsigned char	K1_output[MAGMA_BLOCK_SIZE],
		unsigned char	K2_output[MAGMA_BLOCK_SIZE],
		const unsigned char	keys[ITER_KEYS_COUNT][ITER_KEY_LEN] )

Calculates additional keys K1 and K2 used in the MAC generation process.

Note

Using in function magma_mac

Parameters

K1_output	Pointer to the output buffer for K1.
K2_output	Pointer to the output buffer for K2.
keys	Expanded iteration keys.

Returns

MAGMA_SUCCESS on success, error code otherwise.

magma_mac()

MagmaResult magma_mac	(	const unsigned char	keys[ITER_KEYS_COUNT][ITER_KEY_LEN],
		const size_t	mac_size,
		const unsigned char *	input,
		unsigned char *	mac,
		const size_t	length )

Processing data to produce a Message Authentication Code (MAC) using the specified keys.

Parameters

keys	Expanded iteration keys.
mac_size	Size of the MAC in bytes.
input	Pointer to the input data.
mac	Pointer to the output MAC.
length	Length of the input data in bytes.

Returns

MAGMA_SUCCESS on success, error code otherwise.