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
28typedef union {
29    unsigned char c[ARIA_BLOCK_SIZE];
30    unsigned int u[ARIA_BLOCK_SIZE / sizeof(unsigned int)];
31} ARIA_u128;
32
33typedef unsigned char ARIA_c128[ARIA_BLOCK_SIZE];
34
35struct aria_key_st {
36    ARIA_u128 rd_key[ARIA_MAX_KEYS];
37    unsigned int rounds;
38};
39typedef struct aria_key_st ARIA_KEY;
40
41
42int aria_set_encrypt_key(const unsigned char *userKey, const int bits,
43                         ARIA_KEY *key);
44int aria_set_decrypt_key(const unsigned char *userKey, const int bits,
45                         ARIA_KEY *key);
46
47void aria_encrypt(const unsigned char *in, unsigned char *out,
48                  const ARIA_KEY *key);
49
50#endif
51