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https://github.com/intel/linux-sgx
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Li, Xun
68 lines
2.6 KiB
C++
68 lines
2.6 KiB
C++
/*
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* Copyright (C) 2011-2020 Intel Corporation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "se_tcrypto_common.h"
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#include "sgx_tcrypto.h"
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#include "se_cpu_feature.h"
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#include "se_cdefs.h"
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// add a version to tcrypto.
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SGX_ACCESS_VERSION(tcrypto, 1)
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// SGXSSL's function. register and init cpuid exception handler.
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//
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extern "C" void init_exception_handler(uint32_t *cpuid_table);
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extern "C" void const_init_exception_handler(void);
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extern "C" sgx_status_t init_ipp_cpuid(uint64_t cpu_feature_indicator);
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unsigned long openssl_last_err = 0;
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/* Crypto Library Initialization
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* Parameters:
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* Return: sgx_status_t - SGX_SUCCESS or failure as defined sgx_error.h
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* Inputs: uint64_t cpu_feature_indicator - Bit array of host CPU feature bits */
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extern "C" sgx_status_t sgx_init_crypto_lib(uint64_t cpu_feature_indicator, uint32_t *cpuid_table)
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{
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volatile int dead_code_flag = 0;
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(void)(cpu_feature_indicator);
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if (cpuid_table) {
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init_exception_handler(cpuid_table);
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}
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if (dead_code_flag) {
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const_init_exception_handler();
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}
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//in case IPP is used in EPID-SDK, init IPP crypto lib.
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//
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return init_ipp_cpuid(cpu_feature_indicator);
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}
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