hashsize.c 1.4 KB

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  1. /*############################################################################
  2. # Copyright 2017 Intel Corporation
  3. #
  4. # Licensed under the Apache License, Version 2.0 (the "License");
  5. # you may not use this file except in compliance with the License.
  6. # You may obtain a copy of the License at
  7. #
  8. # http://www.apache.org/licenses/LICENSE-2.0
  9. #
  10. # Unless required by applicable law or agreed to in writing, software
  11. # distributed under the License is distributed on an "AS IS" BASIS,
  12. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13. # See the License for the specific language governing permissions and
  14. # limitations under the License.
  15. ############################################################################*/
  16. /*!
  17. * \file
  18. * \brief EpidGetHashSize implementation.
  19. */
  20. #include "epid/common/src/hashsize.h"
  21. #include <limits.h>
  22. size_t EpidGetHashSize(HashAlg hash_alg) {
  23. switch (hash_alg) {
  24. case kSha256:
  25. return EPID_SHA256_DIGEST_BITSIZE / CHAR_BIT;
  26. case kSha384:
  27. return EPID_SHA384_DIGEST_BITSIZE / CHAR_BIT;
  28. case kSha512:
  29. return EPID_SHA512_DIGEST_BITSIZE / CHAR_BIT;
  30. case kSha512_256:
  31. return EPID_SHA512_256_DIGEST_BITSIZE / CHAR_BIT;
  32. case kSha3_256:
  33. return EPID_SHA3_256_DIGEST_BITSIZE / CHAR_BIT;
  34. case kSha3_384:
  35. return EPID_SHA3_384_DIGEST_BITSIZE / CHAR_BIT;
  36. case kSha3_512:
  37. return EPID_SHA3_512_DIGEST_BITSIZE / CHAR_BIT;
  38. default:
  39. return 0;
  40. }
  41. }