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/*
* Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved.
* Copyright 2017 Ribose Inc. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_CRYPTO_SM4_H
#define OSSL_CRYPTO_SM4_H
#pragma once
#include <openssl/opensslconf.h>
#include <openssl/e_os2.h>
#ifdef OPENSSL_NO_SM4
#error SM4 is disabled.
#endif
#define SM4_ENCRYPT 1
#define SM4_DECRYPT 0
#define SM4_BLOCK_SIZE 16
#define SM4_KEY_SCHEDULE 32
typedef struct SM4_KEY_st {
uint32_t rk[SM4_KEY_SCHEDULE];
} SM4_KEY;
int ossl_sm4_set_key(const uint8_t *key, SM4_KEY *ks);
void ossl_sm4_encrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
void ossl_sm4_decrypt(const uint8_t *in, uint8_t *out, const SM4_KEY *ks);
#endif
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