CryptoPkg/Library/OpensslLib/rand_pool_noise.c

   1 /** @file
   2   Provide rand noise source.
   3
   4 Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
   5 SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <Library/BaseLib.h>
  10
  11 /**
  12   Get 64-bit noise source
  13
  14   @param[out] Rand         Buffer pointer to store 64-bit noise source
  15
  16   @retval FALSE            Failed to generate
  17 **/
  18 BOOLEAN
  19 EFIAPI
  20 GetRandomNoise64 (
  21   OUT UINT64         *Rand
  22   )
  23 {
  24   //
  25   // Return FALSE will fallback to use PerformaceCounter to
  26   // generate noise.
  27   //
  28   return FALSE;
  29 }