sgx_tcrypto_internal.h 2.6 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 _SGX_TCRYPTO_INTERNAL_H_
  32. #define _SGX_TCRYPTO_INTERNAL_H_
  33. #include "sgx_tcrypto.h"
  34. #ifdef __cplusplus
  35. extern "C" {
  36. #endif
  37. /* Computes 512-bit DH shared key based on private B key (local) and remote public Ga Key
  38. * Parameters:
  39. * Return: sgx_status_t - SGX_SUCCESS or failure as defined in sgx_error.h
  40. * Inputs: sgx_ecc_state_handle_t ecc_handle - Handle to the ECC crypto system
  41. * sgx_ec256_private_t *p_private_b - Pointer to the local private key
  42. * sgx_ec256_public_t *p_public_ga - Pointer to the remote public key
  43. * Output: sgx_ec256_dh_shared512_t *p_shared_key - Pointer to the 512-bit shared DH key
  44. */
  45. sgx_status_t SGXAPI sgx_ecc256_compute_shared_dhkey512(sgx_ec256_private_t *p_private_b,
  46. sgx_ec256_public_t *p_public_ga,
  47. sgx_ec256_dh_shared512_t *p_shared_key,
  48. sgx_ecc_state_handle_t ecc_handle);
  49. #ifdef __cplusplus
  50. }
  51. #endif
  52. #endif