1/*
2 * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2017 Ribose Inc. 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#ifndef OSSL_CRYPTO_SM4_H
12# define OSSL_CRYPTO_SM4_H
13
14# include <openssl/opensslconf.h>
15# include <openssl/e_os2.h>
16
17# ifdef OPENSSL_NO_SM4
18#  error SM4 is disabled.
19# endif
20
21# define SM4_ENCRYPT     1
22# define SM4_DECRYPT     0
23
24# define SM4_BLOCK_SIZE    16
25# define SM4_KEY_SCHEDULE  32
26
27typedef struct SM4_KEY_st {
28    uint32_t rk[SM4_KEY_SCHEDULE];
29} SM4_KEY;
30
31int SM4_set_key(const uint8_t *key, SM4_KEY *ks);
32
33void SM4_encrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
34
35void SM4_decrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
36
37#endif
38