mirror of
https://github.com/intel/linux-sgx
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Li, Xun
63 lines
2.7 KiB
C++
63 lines
2.7 KiB
C++
/*
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* Copyright (C) 2011-2018 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 "byte_order.h"
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#include "epid_pve_type.h"
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#include "sgx_tcrypto.h"
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#include "ipp_wrapper.h"
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static void get_provision_server_rsa_key_little_endian_order(const signed_pek_t& pek, signed_pek_t& little_endian_key)
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{
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uint32_t i;
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for(i=0;i<sizeof(pek.n);i++){
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little_endian_key.n[i] = pek.n[sizeof(pek.n)-1-i];
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}
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for(i=0;i<sizeof(pek.e);i++){
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little_endian_key.e[i] = pek.e[sizeof(pek.e)-1-i];
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}
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}
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//Function to get the rsa public key of backend server for IPP functions
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//The output rsa_pub_key should be released by function free_rsa_key
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IppStatus get_provision_server_rsa_pub_key_in_ipp_format(const signed_pek_t& pek, IppsRSAPublicKeyState **rsa_pub_key)
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{
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signed_pek_t little_endian_key;
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get_provision_server_rsa_key_little_endian_order(pek, little_endian_key);
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return create_rsa_pub_key(RSA_3072_KEY_BYTES,
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sizeof(little_endian_key.e),
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reinterpret_cast<const Ipp32u*>(little_endian_key.n),
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reinterpret_cast<const Ipp32u *>(&little_endian_key.e),
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rsa_pub_key);
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}
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