CryptoPkg/Library/BaseCryptLib/SysCall/ConstantTimeClock.c

   1 /** @file
   2   C Run-Time Libraries (CRT) Time Management Routines Wrapper Implementation
   3   for OpenSSL-based Cryptographic Library.
   4
   5   This C file implements constant time value for time() and NULL for gmtime()
   6   thus should not be used in library instances which require functionality
   7   of following APIs which need system time support:
   8   1)  RsaGenerateKey
   9   2)  RsaCheckKey
  10   3)  RsaPkcs1Sign
  11   4)  Pkcs7Sign
  12   5)  DhGenerateParameter
  13   6)  DhGenerateKey
  14
  15 Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR>
  16 This program and the accompanying materials
  17 are licensed and made available under the terms and conditions of the BSD License
  18 which accompanies this distribution.  The full text of the license may be found at
  19 http://opensource.org/licenses/bsd-license.php
  20
  21 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  22 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  23
  24 **/
  25
  26 #include <CrtLibSupport.h>
  27
  28 //
  29 // -- Time Management Routines --
  30 //
  31
  32 time_t time (time_t *timer)
  33 {
  34   *timer = 0;
  35   return *timer;
  36 }
  37
  38 struct tm * gmtime (const time_t *timer)
  39 {
  40   return NULL;
  41 }