dh_session_protocol.h 2.3 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 _DH_SESSION_PROROCOL_H
  32. #define _DH_SESSION_PROROCOL_H
  33. #include "sgx_ecp_types.h"
  34. #include "sgx_key.h"
  35. #include "sgx_report.h"
  36. #include "sgx_attributes.h"
  37. #define NONCE_SIZE 16
  38. #define MAC_SIZE 16
  39. #define MSG_BUF_LEN sizeof(ec_pub_t)*2
  40. #define MSG_HASH_SZ 32
  41. //Session information structure
  42. typedef struct _la_dh_session_t
  43. {
  44. uint32_t session_id; //Identifies the current session
  45. uint32_t status; //Indicates session is in progress, active or closed
  46. union
  47. {
  48. struct
  49. {
  50. sgx_dh_session_t dh_session;
  51. }in_progress;
  52. struct
  53. {
  54. sgx_key_128bit_t AEK; //Session Key
  55. uint32_t counter; //Used to store Message Sequence Number
  56. }active;
  57. };
  58. } dh_session_t;
  59. #endif