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/** @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);
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