aesm_epid_blob.h 3.0 KB

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  1. /*
  2. * Copyright (C) 2011-2017 Intel Corporation. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * * Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * * Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in
  12. * the documentation and/or other materials provided with the
  13. * distribution.
  14. * * Neither the name of Intel Corporation nor the names of its
  15. * contributors may be used to endorse or promote products derived
  16. * from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. *
  30. */
  31. #ifndef _AESM_EPID_BLOB_H_
  32. #define _AESM_EPID_BLOB_H_
  33. /*File to declare class for EPIDBlob*/
  34. #include "se_types.h"
  35. #include "sgx_tseal.h"
  36. #include "oal/oal.h"
  37. #include "AEClass.h"
  38. #include "epid_pve_type.h"
  39. #include "assert.h"
  40. #include "aeerror.h"
  41. #include "se_thread.h"
  42. #include "provision_msg.h"
  43. #include "internal/se_rwlock.h"
  44. typedef struct _epid_blob_with_cur_psvn_t{
  45. uint8_t trusted_epid_blob[SGX_TRUSTED_EPID_BLOB_SIZE_SDK];
  46. bk_platform_info_t cur_pi;
  47. }epid_blob_with_cur_psvn_t;
  48. typedef struct _epid_blob_v2_with_cur_psvn_t{
  49. uint8_t trusted_epid_blob[SGX_TRUSTED_EPID_BLOB_SIZE_SIK];
  50. bk_platform_info_t cur_pi;
  51. }epid_blob_v2_with_cur_psvn_t;
  52. #define SGX_EPID_BLOB_SIZE sizeof(epid_blob_with_cur_psvn_t)
  53. class EPIDBlob: public Singleton<EPIDBlob>{
  54. CLASS_UNCOPYABLE(EPIDBlob)
  55. epid_blob_with_cur_psvn_t blob_cache;
  56. friend class Singleton<EPIDBlob>;
  57. enum EPIDBlobStatus {not_initialized=0, update_to_date=1, not_available=2} status;
  58. EPIDBlob(){memset(&blob_cache, 0 ,sizeof(blob_cache));status = not_initialized;}
  59. public:
  60. ae_error_t read(epid_blob_with_cur_psvn_t& blob);
  61. ae_error_t write(const epid_blob_with_cur_psvn_t& blob);
  62. ae_error_t get_sgx_gid(uint32_t* pgid);/*get little endian gid from epid data blob*/
  63. ae_error_t get_extended_epid_group_id(uint32_t* pxeid);//get little endian extended_epid_group_id from epid data blob
  64. ae_error_t remove(void);
  65. };
  66. #endif/*_AESM_EPID_BLOB_H_*/