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105dde25 | 1 | /* |
3c2bdd7d | 2 | * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved. |
105dde25 SL |
3 | * |
4 | * Licensed under the Apache License 2.0 (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
10 | #include "cipher_sm4.h" | |
11 | ||
12 | static int cipher_hw_sm4_initkey(PROV_CIPHER_CTX *ctx, | |
13 | const unsigned char *key, size_t keylen) | |
14 | { | |
15 | PROV_SM4_CTX *sctx = (PROV_SM4_CTX *)ctx; | |
16 | SM4_KEY *ks = &sctx->ks.ks; | |
17 | ||
8a6e9125 | 18 | ossl_sm4_set_key(key, ks); |
105dde25 SL |
19 | ctx->ks = ks; |
20 | if (ctx->enc | |
21 | || (ctx->mode != EVP_CIPH_ECB_MODE | |
22 | && ctx->mode != EVP_CIPH_CBC_MODE)) | |
8a6e9125 | 23 | ctx->block = (block128_f)ossl_sm4_encrypt; |
105dde25 | 24 | else |
8a6e9125 | 25 | ctx->block = (block128_f)ossl_sm4_decrypt; |
105dde25 SL |
26 | return 1; |
27 | } | |
28 | ||
f75abcc0 SL |
29 | IMPLEMENT_CIPHER_HW_COPYCTX(cipher_hw_sm4_copyctx, PROV_SM4_CTX) |
30 | ||
105dde25 SL |
31 | # define PROV_CIPHER_HW_sm4_mode(mode) \ |
32 | static const PROV_CIPHER_HW sm4_##mode = { \ | |
33 | cipher_hw_sm4_initkey, \ | |
592dcfd3 | 34 | ossl_cipher_hw_chunked_##mode, \ |
f75abcc0 | 35 | cipher_hw_sm4_copyctx \ |
105dde25 | 36 | }; \ |
7d6766cb | 37 | const PROV_CIPHER_HW *ossl_prov_cipher_hw_sm4_##mode(size_t keybits) \ |
105dde25 SL |
38 | { \ |
39 | return &sm4_##mode; \ | |
40 | } | |
41 | ||
42 | PROV_CIPHER_HW_sm4_mode(cbc) | |
43 | PROV_CIPHER_HW_sm4_mode(ecb) | |
44 | PROV_CIPHER_HW_sm4_mode(ofb128) | |
45 | PROV_CIPHER_HW_sm4_mode(cfb128) | |
46 | PROV_CIPHER_HW_sm4_mode(ctr) |