getrandom.h 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. #ifndef EPID_MEMBER_TPM2_GETRANDOM_H_
  17. #define EPID_MEMBER_TPM2_GETRANDOM_H_
  18. /*!
  19. * \file
  20. * \brief SDK TPM API.
  21. */
  22. #include "epid/common/errors.h"
  23. /// \cond
  24. typedef struct Tpm2Ctx Tpm2Ctx;
  25. /// \endcond
  26. /*!
  27. \addtogroup Tpm2Module tpm2
  28. \ingroup EpidMemberModule
  29. @{
  30. */
  31. /// Get random data
  32. /*!
  33. This command returns the next num_bits from the random number generator (RNG).
  34. \param[in,out] ctx
  35. TPM context.
  36. \param[in] num_bits
  37. Number of bits to return.
  38. \param[out] random_data
  39. Output random bits.
  40. \returns ::EpidStatus
  41. \see Tpm2CreateContext
  42. */
  43. EpidStatus Tpm2GetRandom(Tpm2Ctx* ctx, int const num_bits, void* random_data);
  44. /*! @} */
  45. #endif // EPID_MEMBER_TPM2_GETRANDOM_H_