/* * 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