sgx_ecc256_common.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 _SGX_ECC256_COMMON_H_
  32. #define _SGX_ECC256_COMMON_H_
  33. #include "sgx_trts.h"
  34. #include "sgx_tcrypto.h"
  35. #include "ippcp.h"
  36. #include "util.h"
  37. #include "stdlib.h"
  38. #include "string.h"
  39. #ifndef ERROR_BREAK
  40. #define ERROR_BREAK(x) if(x != ippStsNoErr){break;}
  41. #endif
  42. #ifndef SAFE_FREE
  43. #define SAFE_FREE(ptr) {if (NULL != (ptr)) {free(ptr); (ptr)=NULL;}}
  44. #endif
  45. IppStatus sgx_ipp_newBN(const Ipp32u *p_data, int size_in_bytes, IppsBigNumState **p_new_BN);
  46. void sgx_ipp_secure_free_BN(IppsBigNumState *pBN, int size_in_bytes);
  47. IppStatus __STDCALL sgx_ipp_DRNGen(Ipp32u* pRandBNU, int nBits, void* pCtx);
  48. static inline IppStatus check_copy_size(size_t target_size, size_t source_size)
  49. {
  50. if(target_size < source_size)
  51. return ippStsSizeErr;
  52. return ippStsNoErr;
  53. }
  54. #endif