2 // PKCS1MaskGenerationMethodTest.cs - NUnit Test Cases for PKCS1MaskGenerationMethod
5 // Sebastien Pouliot (spouliot@motus.com)
7 // (C) 2002 Motus Technologies Inc. (http://www.motus.com)
10 using NUnit.Framework;
12 using System.Security.Cryptography;
15 namespace MonoTests.System.Security.Cryptography
18 public class PKCS1MaskGenerationMethodTest : TestCase
20 public PKCS1MaskGenerationMethodTest () : base ("System.Security.Cryptography.PKCS1MaskGenerationMethod testsuite") {}
21 public PKCS1MaskGenerationMethodTest (string name) : base(name) {}
23 protected PKCS1MaskGenerationMethod pkcs1;
25 protected override void SetUp ()
27 pkcs1 = new PKCS1MaskGenerationMethod();
30 protected override void TearDown () {}
32 public static ITest Suite
35 return new TestSuite (typeof (PKCS1MaskGenerationMethodTest));
39 public void AssertEquals (string msg, byte[] array1, byte[] array2)
41 AllTests.AssertEquals (msg, array1, array2);
44 // test part of PKCS#1 v.2.1 test vector
45 public void TestPKCS1v21TestVector ()
47 pkcs1.HashName = "SHA1";
49 // seed = random string of octets (well not random in the tests ;-)
50 byte[] seed = { 0xaa, 0xfd, 0x12, 0xf6, 0x59, 0xca, 0xe6, 0x34, 0x89, 0xb4, 0x79, 0xe5, 0x07, 0x6d, 0xde, 0xc2, 0xf0, 0x6c, 0xb5, 0x8f };
53 // dbMask = MGF(seed, length(DB))
54 byte[] dbMask = pkcs1.GenerateMask (seed, LengthDB);
55 byte[] expectedDBMask = { 0x06, 0xe1, 0xde, 0xb2, 0x36, 0x9a, 0xa5, 0xa5, 0xc7, 0x07, 0xd8, 0x2c, 0x8e, 0x4e, 0x93, 0x24,
56 0x8a, 0xc7, 0x83, 0xde, 0xe0, 0xb2, 0xc0, 0x46, 0x26, 0xf5, 0xaf, 0xf9, 0x3e, 0xdc, 0xfb, 0x25,
57 0xc9, 0xc2, 0xb3, 0xff, 0x8a, 0xe1, 0x0e, 0x83, 0x9a, 0x2d, 0xdb, 0x4c, 0xdc, 0xfe, 0x4f, 0xf4,
58 0x77, 0x28, 0xb4, 0xa1, 0xb7, 0xc1, 0x36, 0x2b, 0xaa, 0xd2, 0x9a, 0xb4, 0x8d, 0x28, 0x69, 0xd5,
59 0x02, 0x41, 0x21, 0x43, 0x58, 0x11, 0x59, 0x1b, 0xe3, 0x92, 0xf9, 0x82, 0xfb, 0x3e, 0x87, 0xd0,
60 0x95, 0xae, 0xb4, 0x04, 0x48, 0xdb, 0x97, 0x2f, 0x3a, 0xc1, 0x4e, 0xaf, 0xf4, 0x9c, 0x8c, 0x3b,
61 0x7c, 0xfc, 0x95, 0x1a, 0x51, 0xec, 0xd1, 0xdd, 0xe6, 0x12, 0x64 };;
62 AssertEquals ("PKCS1MaskGenerationMethod 1", expectedDBMask, dbMask);
64 // maskedDB = DB xor dbMask
65 byte[] DB = { 0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d, 0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90,
66 0xaf, 0xd8, 0x07, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
67 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
68 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
69 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
70 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0xd4, 0x36, 0xe9, 0x95, 0x69,
71 0xfd, 0x32, 0xa7, 0xc8, 0xa0, 0x5b, 0xbc, 0x90, 0xd3, 0x2c, 0x49 };
72 byte[] maskedDB = new byte [dbMask.Length];
73 for (int i = 0; i < dbMask.Length; i++)
74 maskedDB [i] = Convert.ToByte (DB [i] ^ dbMask [i]);
76 // seedMask = MGF(maskedDB, length(seed))
77 byte[] seedMask = pkcs1.GenerateMask (maskedDB, seed.Length);
78 byte[] expectedSeedMask = { 0x41, 0x87, 0x0b, 0x5a, 0xb0, 0x29, 0xe6, 0x57, 0xd9, 0x57, 0x50, 0xb5, 0x4c, 0x28, 0x3c, 0x08, 0x72, 0x5d, 0xbe, 0xa9 };
79 AssertEquals ("PKCS1MaskGenerationMethod 2", expectedSeedMask, seedMask);