sizes.h

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/*
 * Copyright (C) 2025 TU Dresden
 * Copyright (C) 2021 HAW Hamburg
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "kernel_defines.h"
#include "psa/algorithm.h"
#include "psa/cipher/sizes.h"
#include "psa/hash/algorithm.h"
#include "psa/hash/sizes.h"
#include "psa/mac/algorithm.h"
 
#define PSA_MAC_LENGTH(key_type, key_bits, alg)  \
    ((PSA_ALG_IS_HMAC(alg)) ? PSA_HASH_LENGTH(PSA_ALG_HMAC_GET_HASH(alg)) :         \
     PSA_ALG_IS_BLOCK_CIPHER_MAC(alg) ? PSA_BLOCK_CIPHER_BLOCK_LENGTH(key_type) : \
     ((void)(key_type), (void)(key_bits), 0))
 
#if (IS_USED(MODULE_PSA_MAC_HMAC_SHA_512) || \
     IS_USED(MODULE_PSA_MAC_HMAC_SHA3_512))
#define PSA_MAC_MAX_SIZE (PSA_HASH_LENGTH(PSA_ALG_SHA3_512))    /* 64 */
#elif (IS_USED(MODULE_PSA_MAC_HMAC_SHA_384) || \
       IS_USED(MODULE_PSA_MAC_HMAC_SHA3_384))
#define PSA_MAC_MAX_SIZE (PSA_HASH_LENGTH(PSA_ALG_SHA3_384))    /* 48 */
#elif (IS_USED(MODULE_PSA_MAC_HMAC_SHA_256) || \
       IS_USED(MODULE_PSA_MAC_HMAC_SHA_512_256) || \
       IS_USED(MODULE_PSA_MAC_HMAC_SHA3_256))
#define PSA_MAC_MAX_SIZE (PSA_HASH_LENGTH(PSA_ALG_SHA3_256))    /* 32 */
#elif (IS_USED(MODULE_PSA_MAC_HMAC_SHA_224) || \
       IS_USED(MODULE_PSA_MAC_HMAC_SHA_512_224) || \
       IS_USED(MODULE_PSA_MAC_HMAC_SHA3_224))
#define PSA_MAC_MAX_SIZE (PSA_HASH_LENGTH(PSA_ALG_SHA3_224))    /* 28 */
#elif (IS_USED(MODULE_PSA_MAC_HMAC_RIPEMD160) || \
       IS_USED(MODULE_PSA_MAC_HMAC_SHA_1))
#define PSA_MAC_MAX_SIZE (PSA_HASH_LENGTH(PSA_ALG_SHA_1))       /* 20 */
#elif (IS_USED(MODULE_PSA_MAC_HMAC_MD2) || \
       IS_USED(MODULE_PSA_MAC_HMAC_MD4) || \
       IS_USED(MODULE_PSA_MAC_HMAC_MD5))
#define PSA_MAC_MAX_SIZE (PSA_HASH_LENGTH(PSA_ALG_MD5))         /* 16 */
#else
#define PSA_MAC_MAX_SIZE 0
#endif
 
#ifdef __cplusplus
}
#endif