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 27 typedef struct SM4_KEY_st { 28 uint32_t rk[SM4_KEY_SCHEDULE]; 29 } SM4_KEY; 30 31 int SM4_set_key(const uint8_t *key, SM4_KEY *ks); 32 33 void SM4_encrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks); 34 35 void SM4_decrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks); 36 37 #endif 38