/*

 * 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;                                                        \

}

ossl_prov_cipher_hw_sm4_cbc

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Count

Source

37

13

const PROV_CIPHER_HW *ossl_prov_cipher_hw_sm4_##mode(size_t keybits)           \

38

13

{                                                                              \

39

13

    return &sm4_##mode;                                                        \

40

13

}

ossl_prov_cipher_hw_sm4_ecb

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Count

Source

37

1

const PROV_CIPHER_HW *ossl_prov_cipher_hw_sm4_##mode(size_t keybits)           \

38

1

{                                                                              \

39

1

    return &sm4_##mode;                                                        \

40

1

}

ossl_prov_cipher_hw_sm4_ofb128

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Source

37

1

const PROV_CIPHER_HW *ossl_prov_cipher_hw_sm4_##mode(size_t keybits)           \

38

1

{                                                                              \

39

1

    return &sm4_##mode;                                                        \

40

1

}

ossl_prov_cipher_hw_sm4_cfb128

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Source

37

1

const PROV_CIPHER_HW *ossl_prov_cipher_hw_sm4_##mode(size_t keybits)           \

38

1

{                                                                              \

39

1

    return &sm4_##mode;                                                        \

40

1

}

ossl_prov_cipher_hw_sm4_ctr

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Source

37

1

const PROV_CIPHER_HW *ossl_prov_cipher_hw_sm4_##mode(size_t keybits)           \

38

1

{                                                                              \

39

1

    return &sm4_##mode;                                                        \

40

1

}

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)