1 /* 2 * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 4 * 5 * Licensed under the Apache License 2.0 (the "License"). You may not use 6 * this file except in compliance with the License. You can obtain a copy 7 * in the file LICENSE in the source distribution or at 8 * https://www.openssl.org/source/license.html 9 */ 10 11 /* Copyright (c) 2017 National Security Research Institute. All rights reserved. */ 12 13 #ifndef OSSL_CRYPTO_ARIA_H 14 # define OSSL_CRYPTO_ARIA_H 15 # pragma once 16 17 # include <openssl/opensslconf.h> 18 19 # ifdef OPENSSL_NO_ARIA 20 # error ARIA is disabled. 21 # endif 22 23 # define ARIA_ENCRYPT 1 24 # define ARIA_DECRYPT 0 25 26 # define ARIA_BLOCK_SIZE 16 /* Size of each encryption/decryption block */ 27 # define ARIA_MAX_KEYS 17 /* Number of keys needed in the worst case */ 28 29 typedef union { 30 unsigned char c[ARIA_BLOCK_SIZE]; 31 unsigned int u[ARIA_BLOCK_SIZE / sizeof(unsigned int)]; 32 } ARIA_u128; 33 34 typedef unsigned char ARIA_c128[ARIA_BLOCK_SIZE]; 35 36 struct aria_key_st { 37 ARIA_u128 rd_key[ARIA_MAX_KEYS]; 38 unsigned int rounds; 39 }; 40 typedef struct aria_key_st ARIA_KEY; 41 42 43 int ossl_aria_set_encrypt_key(const unsigned char *userKey, const int bits, 44 ARIA_KEY *key); 45 int ossl_aria_set_decrypt_key(const unsigned char *userKey, const int bits, 46 ARIA_KEY *key); 47 48 void ossl_aria_encrypt(const unsigned char *in, unsigned char *out, 49 const ARIA_KEY *key); 50 51 #endif 52