linux-sgx-trts-modified/psw/ae/aesm_service/source/aesm/extension/aesm_xegd_blob.h

/*
 * Copyright (C) 2011-2016 Intel Corporation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *   * Neither the name of Intel Corporation nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#pragma once
/*File to declare class for extended_epid_group_blob*/
#include "se_types.h"
#include "sgx_tseal.h"
#include "oal/oal.h"
#include "AEClass.h"
#include "epid_pve_type.h"
#include "assert.h"
#include "aeerror.h"
#include "se_thread.h"
#include "provision_msg.h"
#include "internal/se_rwlock.h"
#include "aesm_error.h"

class XEGDBlob: public Singleton<XEGDBlob>{
    CLASS_UNCOPYABLE(XEGDBlob)
    extended_epid_group_blob_t blob_cache;
    friend class Singleton<XEGDBlob>;
    enum XEGDBlobStatus {not_initialized=0, update_to_date=1, not_available=2} status;
    XEGDBlob(){ memset(&blob_cache, 0, sizeof(blob_cache)); status = not_initialized; }
    static ae_error_t verify(const extended_epid_group_blob_t& signed_xegb);
public:
    ae_error_t read(extended_epid_group_blob_t& blob);
    static ae_error_t verify_xegd_by_xgid(uint32_t xgid);
};