| /* |
| * Copyright 2019 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; |
| |
| 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)SM4_encrypt; |
| else |
| ctx->block = (block128_f)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, \ |
| cipher_hw_chunked_##mode, \ |
| cipher_hw_sm4_copyctx \ |
| }; \ |
| const PROV_CIPHER_HW *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) |
