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