1 /* 2 * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. 4 * 5 * Licensed under the OpenSSL license (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 16 # include <openssl/opensslconf.h> 17 18 # ifdef OPENSSL_NO_ARIA 19 # error ARIA is disabled. 20 # endif 21 22 # define ARIA_ENCRYPT 1 23 # define ARIA_DECRYPT 0 24 25 # define ARIA_BLOCK_SIZE 16 /* Size of each encryption/decryption block */ 26 # define ARIA_MAX_KEYS 17 /* Number of keys needed in the worst case */ 27 28 typedef union { 29 unsigned char c[ARIA_BLOCK_SIZE]; 30 unsigned int u[ARIA_BLOCK_SIZE / sizeof(unsigned int)]; 31 } ARIA_u128; 32 33 typedef unsigned char ARIA_c128[ARIA_BLOCK_SIZE]; 34 35 struct aria_key_st { 36 ARIA_u128 rd_key[ARIA_MAX_KEYS]; 37 unsigned int rounds; 38 }; 39 typedef struct aria_key_st ARIA_KEY; 40 41 42 int aria_set_encrypt_key(const unsigned char *userKey, const int bits, 43 ARIA_KEY *key); 44 int aria_set_decrypt_key(const unsigned char *userKey, const int bits, 45 ARIA_KEY *key); 46 47 void aria_encrypt(const unsigned char *in, unsigned char *out, 48 const ARIA_KEY *key); 49 50 #endif 51