algorithm.h

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/*
 * SPDX-FileCopyrightText: 2024 TU Dresden
 * SPDX-FileCopyrightText: 2021 HAW Hamburg
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "psa/algorithm.h"
#include "psa/hash/algorithm.h"

#define PSA_ALG_CATEGORY_MAC ((psa_algorithm_t)0x03000000)

#define PSA_ALG_HMAC_BASE (0x03800000)

#define PSA_ALG_IS_MAC(alg) (((alg) & PSA_ALG_CATEGORY_MASK) == PSA_ALG_CATEGORY_MAC)

#define PSA_ALG_IS_HMAC(alg) (((alg) & 0x7fc0ff00) == 0x03800000)

#define PSA_ALG_IS_BLOCK_CIPHER_MAC(alg) (((alg) & 0x7fc00000) == 0x03c00000)

#define PSA_ALG_HMAC(hash_alg) \
    ((psa_algorithm_t)(PSA_ALG_HMAC_BASE | ((hash_alg) & PSA_ALG_HASH_MASK)))

#define PSA_ALG_CBC_MAC ((psa_algorithm_t)0x03c00100)

#define PSA_ALG_CMAC ((psa_algorithm_t)0x03c00200)

#define PSA_ALG_TRUNCATED_MAC(mac_alg, mac_length) \
    ((psa_algorithm_t)(((mac_alg) & ~0x003f0000) | (((mac_length) & 0x3f) << 16)))

#define PSA_ALG_FULL_LENGTH_MAC(mac_alg) \
    ((psa_algorithm_t)((mac_alg) & ~0x003f0000))

#define PSA_ALG_AT_LEAST_THIS_LENGTH_MAC(mac_alg, min_mac_length) \
    /* specification-defined value */
 
#ifdef __cplusplus
}
#endif