mirror of
https://github.com/intel/linux-sgx
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Li, Xun
83 lines
2.6 KiB
C++
83 lines
2.6 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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/**
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* File: pse_pr_common.cpp
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* Description: Common code needed between untrusted and enclave
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*/
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#include "pse_pr_common.h"
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#include "pse_pr_sigma_1_1_defs.h"
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#include "pse_pr_sigma_common_defs.h"
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#include "sgx_tseal.h"
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#include "sgx_report.h"
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#include "pairing_blob.h"
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#include "Epid11_rl.h"
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#define MAX_CSR_BYTES 1024
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uint32_t NeededBytesForPairingBlob()
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{
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return sgx_calc_sealed_data_size(sizeof(se_plaintext_pairing_data_t), sizeof(se_secret_pairing_data_t));
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}
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uint32_t NeededBytesForREPORT()
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{
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return sizeof(sgx_report_t);
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}
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uint32_t NeededBytesForS2(uint32_t nCertChain, uint32_t nRL, uint32_t nOcspResp)
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{
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uint32_t nRL_VLR = 0;
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if (nRL > 0)
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{
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uint32_t nPaddedBytes = REQUIRED_PADDING_DWORD_ALIGNMENT(nRL);
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nRL_VLR = static_cast<uint32_t>(sizeof(SIGMA_VLR_HEADER)) + nPaddedBytes + nRL;
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}
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uint32_t nFixed = sizeof(SIGMA_S2_MESSAGE); // Fixed portion of S2
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uint32_t nNeededPr = sizeof(PR_PSE_T);
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return nFixed + nCertChain + nRL_VLR + nOcspResp + nNeededPr;
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}
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uint32_t MaxBytesForCSR()
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{
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return 1024;
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}
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