|  | /* | 
|  | * Copyright 2019-2021 The OpenSSL Project Authors. 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 | 
|  | */ | 
|  |  | 
|  | #include "cipher_sm4.h" | 
|  |  | 
|  | static int cipher_hw_sm4_initkey(PROV_CIPHER_CTX *ctx, | 
|  | const unsigned char *key, size_t keylen) | 
|  | { | 
|  | PROV_SM4_CTX *sctx =  (PROV_SM4_CTX *)ctx; | 
|  | SM4_KEY *ks = &sctx->ks.ks; | 
|  |  | 
|  | ossl_sm4_set_key(key, ks); | 
|  | ctx->ks = ks; | 
|  | if (ctx->enc | 
|  | || (ctx->mode != EVP_CIPH_ECB_MODE | 
|  | && ctx->mode != EVP_CIPH_CBC_MODE)) | 
|  | ctx->block = (block128_f)ossl_sm4_encrypt; | 
|  | else | 
|  | ctx->block = (block128_f)ossl_sm4_decrypt; | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | IMPLEMENT_CIPHER_HW_COPYCTX(cipher_hw_sm4_copyctx, PROV_SM4_CTX) | 
|  |  | 
|  | # define PROV_CIPHER_HW_sm4_mode(mode)                                         \ | 
|  | static const PROV_CIPHER_HW sm4_##mode = {                                     \ | 
|  | cipher_hw_sm4_initkey,                                                     \ | 
|  | ossl_cipher_hw_chunked_##mode,                                             \ | 
|  | cipher_hw_sm4_copyctx                                                      \ | 
|  | };                                                                             \ | 
|  | const PROV_CIPHER_HW *ossl_prov_cipher_hw_sm4_##mode(size_t keybits)           \ | 
|  | {                                                                              \ | 
|  | return &sm4_##mode;                                                        \ | 
|  | } | 
|  |  | 
|  | PROV_CIPHER_HW_sm4_mode(cbc) | 
|  | PROV_CIPHER_HW_sm4_mode(ecb) | 
|  | PROV_CIPHER_HW_sm4_mode(ofb128) | 
|  | PROV_CIPHER_HW_sm4_mode(cfb128) | 
|  | PROV_CIPHER_HW_sm4_mode(ctr) |