Coverage Report

Created: 2025-06-13 06:58

/src/openssl32/providers/implementations/ciphers/cipher_sm4_hw.c
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/*
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 * Copyright 2019-2023 The OpenSSL Project Authors. All Rights Reserved.
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 *
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 * Licensed under the Apache License 2.0 (the "License").  You may not use
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 * this file except in compliance with the License.  You can obtain a copy
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 * in the file LICENSE in the source distribution or at
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 * https://www.openssl.org/source/license.html
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 */
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#include "cipher_sm4.h"
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static int cipher_hw_sm4_initkey(PROV_CIPHER_CTX *ctx,
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                                 const unsigned char *key, size_t keylen)
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{
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    PROV_SM4_CTX *sctx =  (PROV_SM4_CTX *)ctx;
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    SM4_KEY *ks = &sctx->ks.ks;
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    ctx->ks = ks;
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    if (ctx->enc
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            || (ctx->mode != EVP_CIPH_ECB_MODE
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                && ctx->mode != EVP_CIPH_CBC_MODE)) {
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#ifdef HWSM4_CAPABLE
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        if (HWSM4_CAPABLE) {
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            HWSM4_set_encrypt_key(key, ks);
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            ctx->block = (block128_f)HWSM4_encrypt;
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            ctx->stream.cbc = NULL;
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#ifdef HWSM4_cbc_encrypt
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            if (ctx->mode == EVP_CIPH_CBC_MODE)
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                ctx->stream.cbc = (cbc128_f)HWSM4_cbc_encrypt;
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            else
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#endif
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#ifdef HWSM4_ecb_encrypt
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            if (ctx->mode == EVP_CIPH_ECB_MODE)
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                ctx->stream.ecb = (ecb128_f)HWSM4_ecb_encrypt;
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            else
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#endif
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#ifdef HWSM4_ctr32_encrypt_blocks
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            if (ctx->mode == EVP_CIPH_CTR_MODE)
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                ctx->stream.ctr = (ctr128_f)HWSM4_ctr32_encrypt_blocks;
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            else
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#endif
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            (void)0;            /* terminate potentially open 'else' */
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        } else
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#endif
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#ifdef VPSM4_EX_CAPABLE
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        if (VPSM4_EX_CAPABLE) {
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            vpsm4_ex_set_encrypt_key(key, ks);
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            ctx->block = (block128_f)vpsm4_ex_encrypt;
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            ctx->stream.cbc = NULL;
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            if (ctx->mode == EVP_CIPH_CBC_MODE)
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                ctx->stream.cbc = (cbc128_f)vpsm4_ex_cbc_encrypt;
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            else if (ctx->mode == EVP_CIPH_ECB_MODE)
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                ctx->stream.ecb = (ecb128_f)vpsm4_ex_ecb_encrypt;
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            else if (ctx->mode == EVP_CIPH_CTR_MODE)
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                ctx->stream.ctr = (ctr128_f)vpsm4_ex_ctr32_encrypt_blocks;
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        } else
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#endif
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#ifdef VPSM4_CAPABLE
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        if (VPSM4_CAPABLE) {
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            vpsm4_set_encrypt_key(key, ks);
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            ctx->block = (block128_f)vpsm4_encrypt;
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            ctx->stream.cbc = NULL;
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            if (ctx->mode == EVP_CIPH_CBC_MODE)
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                ctx->stream.cbc = (cbc128_f)vpsm4_cbc_encrypt;
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            else if (ctx->mode == EVP_CIPH_ECB_MODE)
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                ctx->stream.ecb = (ecb128_f)vpsm4_ecb_encrypt;
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            else if (ctx->mode == EVP_CIPH_CTR_MODE)
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                ctx->stream.ctr = (ctr128_f)vpsm4_ctr32_encrypt_blocks;
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        } else
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#endif
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        {
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            ossl_sm4_set_key(key, ks);
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            ctx->block = (block128_f)ossl_sm4_encrypt;
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        }
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    } else {
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#ifdef HWSM4_CAPABLE
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        if (HWSM4_CAPABLE) {
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            HWSM4_set_decrypt_key(key, ks);
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            ctx->block = (block128_f)HWSM4_decrypt;
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            ctx->stream.cbc = NULL;
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#ifdef HWSM4_cbc_encrypt
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            if (ctx->mode == EVP_CIPH_CBC_MODE)
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                ctx->stream.cbc = (cbc128_f)HWSM4_cbc_encrypt;
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#endif
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#ifdef HWSM4_ecb_encrypt
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            if (ctx->mode == EVP_CIPH_ECB_MODE)
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                ctx->stream.ecb = (ecb128_f)HWSM4_ecb_encrypt;
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#endif
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        } else
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#endif
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#ifdef VPSM4_EX_CAPABLE
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        if (VPSM4_EX_CAPABLE) {
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            vpsm4_ex_set_decrypt_key(key, ks);
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            ctx->block = (block128_f)vpsm4_ex_decrypt;
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            ctx->stream.cbc = NULL;
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            if (ctx->mode == EVP_CIPH_CBC_MODE)
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                ctx->stream.cbc = (cbc128_f)vpsm4_ex_cbc_encrypt;
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            else if (ctx->mode == EVP_CIPH_ECB_MODE)
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                ctx->stream.ecb = (ecb128_f)vpsm4_ex_ecb_encrypt;
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        } else
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#endif
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#ifdef VPSM4_CAPABLE
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        if (VPSM4_CAPABLE) {
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            vpsm4_set_decrypt_key(key, ks);
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            ctx->block = (block128_f)vpsm4_decrypt;
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            ctx->stream.cbc = NULL;
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            if (ctx->mode == EVP_CIPH_CBC_MODE)
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                ctx->stream.cbc = (cbc128_f)vpsm4_cbc_encrypt;
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            else if (ctx->mode == EVP_CIPH_ECB_MODE)
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                ctx->stream.ecb = (ecb128_f)vpsm4_ecb_encrypt;
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        } else
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#endif
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        {
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            ossl_sm4_set_key(key, ks);
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            ctx->block = (block128_f)ossl_sm4_decrypt;
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        }
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    }
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    return 1;
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2
}
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IMPLEMENT_CIPHER_HW_COPYCTX(cipher_hw_sm4_copyctx, PROV_SM4_CTX)
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# define PROV_CIPHER_HW_sm4_mode(mode)                                         \
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static const PROV_CIPHER_HW sm4_##mode = {                                     \
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    cipher_hw_sm4_initkey,                                                     \
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    ossl_cipher_hw_generic_##mode,                                             \
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    cipher_hw_sm4_copyctx                                                      \
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};                                                                             \
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0
const PROV_CIPHER_HW *ossl_prov_cipher_hw_sm4_##mode(size_t keybits)           \
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0
{                                                                              \
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    return &sm4_##mode;                                                        \
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0
}
Unexecuted instantiation: ossl_prov_cipher_hw_sm4_ecb
Unexecuted instantiation: ossl_prov_cipher_hw_sm4_ofb128
Unexecuted instantiation: ossl_prov_cipher_hw_sm4_cfb128
Unexecuted instantiation: ossl_prov_cipher_hw_sm4_ctr
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PROV_CIPHER_HW_sm4_mode(cbc)
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PROV_CIPHER_HW_sm4_mode(ecb)
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PROV_CIPHER_HW_sm4_mode(ofb128)
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PROV_CIPHER_HW_sm4_mode(cfb128)
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PROV_CIPHER_HW_sm4_mode(ctr)