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1/** @file\r
2 Application for Pseudorandom Number Generator Validation.\r
3\r
4Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r
5SPDX-License-Identifier: BSD-2-Clause-Patent\r
6\r
7**/\r
8\r
9#include "TestBaseCryptLib.h"\r
10\r
11#define RANDOM_NUMBER_SIZE 256\r
12\r
13CONST UINT8 SeedString[] = "This is the random seed for PRNG verification.";\r
14\r
15UINT8 PreviousRandomBuffer[RANDOM_NUMBER_SIZE] = { 0x0 };\r
16\r
17UINT8 RandomBuffer[RANDOM_NUMBER_SIZE] = { 0x0 };\r
18\r
19UNIT_TEST_STATUS\r
20EFIAPI\r
21TestVerifyPrngGeneration (\r
7c342378 22 UNIT_TEST_CONTEXT Context\r
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23 )\r
24{\r
25 UINTN Index;\r
26 BOOLEAN Status;\r
27\r
28 Status = RandomSeed (SeedString, sizeof (SeedString));\r
29 UT_ASSERT_TRUE (Status);\r
30\r
7c342378 31 for (Index = 0; Index < 10; Index++) {\r
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32 Status = RandomBytes (RandomBuffer, RANDOM_NUMBER_SIZE);\r
33 UT_ASSERT_TRUE (Status);\r
34\r
35 Status = (CompareMem (PreviousRandomBuffer, RandomBuffer, RANDOM_NUMBER_SIZE) == 0);\r
36 UT_ASSERT_FALSE (Status);\r
37\r
38 CopyMem (PreviousRandomBuffer, RandomBuffer, RANDOM_NUMBER_SIZE);\r
39 }\r
40\r
41 return UNIT_TEST_PASSED;\r
42}\r
43\r
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44TEST_DESC mPrngTest[] = {\r
45 //\r
46 // -----Description--------------------------------Class--------------------Function----------------Pre---Post--Context\r
47 //\r
48 { "TestVerifyPrngGeneration()", "CryptoPkg.BaseCryptLib.Prng", TestVerifyPrngGeneration, NULL, NULL, NULL },\r
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49};\r
50\r
7c342378 51UINTN mPrngTestNum = ARRAY_SIZE (mPrngTest);\r