/** @file | |
Application for Pseudorandom Number Generator Validation. | |
Copyright (c) 2010, Intel Corporation. All rights reserved.<BR> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#include "TestBaseCryptLib.h" | |
#define RANDOM_NUMBER_SIZE 256 | |
CONST UINT8 SeedString[] = "This is the random seed for PRNG verification."; | |
UINT8 PreviousRandomBuffer[RANDOM_NUMBER_SIZE] = { 0x0 }; | |
UINT8 RandomBuffer[RANDOM_NUMBER_SIZE] = { 0x0 }; | |
UNIT_TEST_STATUS | |
EFIAPI | |
TestVerifyPrngGeneration ( | |
UNIT_TEST_CONTEXT Context | |
) | |
{ | |
UINTN Index; | |
BOOLEAN Status; | |
Status = RandomSeed (SeedString, sizeof (SeedString)); | |
UT_ASSERT_TRUE (Status); | |
for (Index = 0; Index < 10; Index++) { | |
Status = RandomBytes (RandomBuffer, RANDOM_NUMBER_SIZE); | |
UT_ASSERT_TRUE (Status); | |
Status = (CompareMem (PreviousRandomBuffer, RandomBuffer, RANDOM_NUMBER_SIZE) == 0); | |
UT_ASSERT_FALSE (Status); | |
CopyMem (PreviousRandomBuffer, RandomBuffer, RANDOM_NUMBER_SIZE); | |
} | |
return UNIT_TEST_PASSED; | |
} | |
TEST_DESC mPrngTest[] = { | |
// | |
// -----Description--------------------------------Class--------------------Function----------------Pre---Post--Context | |
// | |
{ "TestVerifyPrngGeneration()", "CryptoPkg.BaseCryptLib.Prng", TestVerifyPrngGeneration, NULL, NULL, NULL }, | |
}; | |
UINTN mPrngTestNum = ARRAY_SIZE (mPrngTest); |