1 /* 2 * Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * Copyright 2017 Ribose Inc. 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 #ifndef OSSL_CRYPTO_SM4_H 12 #define OSSL_CRYPTO_SM4_H 13 #pragma once 14 15 #include <openssl/opensslconf.h> 16 #include <openssl/e_os2.h> 17 18 #ifdef OPENSSL_NO_SM4 19 #error SM4 is disabled. 20 #endif 21 22 #define SM4_ENCRYPT 1 23 #define SM4_DECRYPT 0 24 25 #define SM4_BLOCK_SIZE 16 26 #define SM4_KEY_SCHEDULE 32 27 28 typedef struct SM4_KEY_st { 29 uint32_t rk[SM4_KEY_SCHEDULE]; 30 } SM4_KEY; 31 32 int ossl_sm4_set_key(const uint8_t *key, SM4_KEY *ks); 33 34 void ossl_sm4_encrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks); 35 36 void ossl_sm4_decrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks); 37 38 #endif 39