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 28typedef struct SM4_KEY_st { 29 uint32_t rk[SM4_KEY_SCHEDULE]; 30} SM4_KEY; 31 32int ossl_sm4_set_key(const uint8_t *key, SM4_KEY *ks); 33 34void ossl_sm4_encrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks); 35 36void ossl_sm4_decrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks); 37 38#endif 39