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https://github.com/intel/linux-sgx
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Li, Xun
85 lines
3.4 KiB
C
85 lines
3.4 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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/**
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* File: cipher.h
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* Description: Header file to wrap cipher related function from IPP for Provision Enclave such as ecdsa signature verification, aes-gcm, EPID private key generation
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*/
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#ifndef _CIPHER_H
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#define _CIPHER_H
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#if defined(PROVISIONSERVERSIM_EXPORTS) || defined(PvEUT)
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#define OUTSIDE_ENCLAVE
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#endif
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#ifdef OUTSIDE_ENCLAVE
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#include "provision_sim.h"
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#endif
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#include "se_cdefs.h"
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#include "sgx_tseal.h"
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#include "epid/common/types.h"
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#include "se_types.h"
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#include "sgx_key.h"
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#include "provision_msg.h"
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#include "se_sig_rl.h"
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/*function to generate random number of num_bits
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return PVEC_SUCCESS on success*/
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pve_status_t pve_rng_generate(
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int num_bits, /*bits of random info to be generated*/
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unsigned char* p_rand_data); /*buffer to hold output, the length of it should be at least (num_bits+7)/8*/
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/*function defined inside pve_verify_signature.cpp to Verify ECDSA signature by EPID signing key
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return PVEC_SUCCESS if the signature verification passed
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return PVEC_MSG_ERROR if signature not matched
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return other error code for other kinds of error*/
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pve_status_t verify_epid_ecdsa_signature(
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const uint8_t *p_sig_rl_sign, /*The ecdsa signature of message to be verify, the size of it should be 2*ECDSA_SIGN_SIZE which contains two big integers in big endian*/
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const extended_epid_group_blob_t& xegb,
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const se_ae_ecdsa_hash_t *p_sig_rl_hash); /*The sha256 hash value of message to be verify*/
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/*Function to verify the ECDSA signature of Binary EPID Group Public Cert*/
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pve_status_t check_signature_of_group_pub_cert(const signed_epid_group_cert_t *group_cert, const uint8_t* epid_sk);
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/** Generate epid private key.
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*
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* Parameters:
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* Return: sgx_status_t - SGX_SUCCESS or failure as defined in sgx_error.h
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* Output: f - Pointer to key.
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*
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*/
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extern "C" sgx_status_t sgx_gen_epid_priv_f(void* f);
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#endif
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