/*
  KeePass Password Safe - The Open-Source Password Manager
  Copyright (C) 2003-2017 Dominik Reichl <dominik.reichl@t-online.de>
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Security;
using System.Text;
#if KeePassUAP
using Org.BouncyCastle.Crypto;
using Org.BouncyCastle.Crypto.Engines;
using Org.BouncyCastle.Crypto.Parameters;
#else
using System.Security.Cryptography;
#endif
using KeePassLib.Cryptography.Cipher;
using KeePassLib.Cryptography.Hash;
using KeePassLib.Cryptography.KeyDerivation;
using KeePassLib.Keys;
using KeePassLib.Native;
using KeePassLib.Resources;
using KeePassLib.Security;
using KeePassLib.Utility;
#if (KeePassUAP && KeePassLibSD)
#error KeePassUAP and KeePassLibSD are mutually exclusive.
#endif
namespace KeePassLib.Cryptography
{
	/// <summary>
	/// Class containing self-test methods.
	/// </summary>
	public static class SelfTest
	{
		/// <summary>
		/// Perform a self-test.
		/// </summary>
		public static void Perform()
		{
			Random r = CryptoRandom.NewWeakRandom();
			TestFipsComplianceProblems(); // Must be the first test
			TestRijndael();
			TestSalsa20(r);
			TestChaCha20(r);
			TestBlake2b(r);
			TestArgon2();
			TestHmac();
			TestKeyTransform(r);
			TestNativeKeyTransform(r);
			
			TestHmacOtp();
			TestProtectedObjects(r);
			TestMemUtil(r);
			TestStrUtil();
			TestUrlUtil();
			Debug.Assert((int)PwIcon.World == 1);
			Debug.Assert((int)PwIcon.Warning == 2);
			Debug.Assert((int)PwIcon.BlackBerry == 68);
#if KeePassUAP
			SelfTestEx.Perform();
#endif
		}
		internal static void TestFipsComplianceProblems()
		{
#if !KeePassUAP
			try { using(RijndaelManaged r = new RijndaelManaged()) { } }
			catch(Exception exAes)
			{
				throw new SecurityException("AES/Rijndael: " + exAes.Message);
			}
#endif
			try { using(SHA256Managed h = new SHA256Managed()) { } }
			catch(Exception exSha256)
			{
				throw new SecurityException("SHA-256: " + exSha256.Message);
			}
		}
		private static void TestRijndael()
		{
			// Test vector (official ECB test vector #356)
			byte[] pbIV = new byte[16];
			byte[] pbTestKey = new byte[32];
			byte[] pbTestData = new byte[16];
			byte[] pbReferenceCT = new byte[16] {
				0x75, 0xD1, 0x1B, 0x0E, 0x3A, 0x68, 0xC4, 0x22,
				0x3D, 0x88, 0xDB, 0xF0, 0x17, 0x97, 0x7D, 0xD7 };
			int i;
			for(i = 0; i < 16; ++i) pbIV[i] = 0;
			for(i = 0; i < 32; ++i) pbTestKey[i] = 0;
			for(i = 0; i < 16; ++i) pbTestData[i] = 0;
			pbTestData[0] = 0x04;
#if KeePassUAP
			AesEngine r = new AesEngine();
			r.Init(true, new KeyParameter(pbTestKey));
			if(r.GetBlockSize() != pbTestData.Length)
				throw new SecurityException("AES (BC)");
			r.ProcessBlock(pbTestData, 0, pbTestData, 0);
#else
			RijndaelManaged r = new RijndaelManaged();
			if(r.BlockSize != 128) // AES block size
			{
				Debug.Assert(false);
				r.BlockSize = 128;
			}
			r.IV = pbIV;
			r.KeySize = 256;
			r.Key = pbTestKey;
			r.Mode = CipherMode.ECB;
			ICryptoTransform iCrypt = r.CreateEncryptor();
			iCrypt.TransformBlock(pbTestData, 0, 16, pbTestData, 0);
#endif
			if(!MemUtil.ArraysEqual(pbTestData, pbReferenceCT))
				throw new SecurityException("AES");
		}
		private static void TestSalsa20(Random r)
		{
#if DEBUG
			// Test values from official set 6, vector 3
			byte[] pbKey = new byte[32] {
				0x0F, 0x62, 0xB5, 0x08, 0x5B, 0xAE, 0x01, 0x54,
				0xA7, 0xFA, 0x4D, 0xA0, 0xF3, 0x46, 0x99, 0xEC,
				0x3F, 0x92, 0xE5, 0x38, 0x8B, 0xDE, 0x31, 0x84,
				0xD7, 0x2A, 0x7D, 0xD0, 0x23, 0x76, 0xC9, 0x1C
			};
			byte[] pbIV = new byte[8] { 0x28, 0x8F, 0xF6, 0x5D,
				0xC4, 0x2B, 0x92, 0xF9 };
			byte[] pbExpected = new byte[16] {
				0x5E, 0x5E, 0x71, 0xF9, 0x01, 0x99, 0x34, 0x03,
				0x04, 0xAB, 0xB2, 0x2A, 0x37, 0xB6, 0x62, 0x5B
			};
			byte[] pb = new byte[16];
			Salsa20Cipher c = new Salsa20Cipher(pbKey, pbIV);
			c.Encrypt(pb, 0, pb.Length);
			if(!MemUtil.ArraysEqual(pb, pbExpected))
				throw new SecurityException("Salsa20-1");
			// Extended test
			byte[] pbExpected2 = new byte[16] {
				0xAB, 0xF3, 0x9A, 0x21, 0x0E, 0xEE, 0x89, 0x59,
				0x8B, 0x71, 0x33, 0x37, 0x70, 0x56, 0xC2, 0xFE
			};
			byte[] pbExpected3 = new byte[16] {
				0x1B, 0xA8, 0x9D, 0xBD, 0x3F, 0x98, 0x83, 0x97,
				0x28, 0xF5, 0x67, 0x91, 0xD5, 0xB7, 0xCE, 0x23
			};
			int nPos = Salsa20ToPos(c, r, pb.Length, 65536);
			Array.Clear(pb, 0, pb.Length);
			c.Encrypt(pb, 0, pb.Length);
			if(!MemUtil.ArraysEqual(pb, pbExpected2))
				throw new SecurityException("Salsa20-2");
			nPos = Salsa20ToPos(c, r, nPos + pb.Length, 131008);
			Array.Clear(pb, 0, pb.Length);
			c.Encrypt(pb, 0, pb.Length);
			if(!MemUtil.ArraysEqual(pb, pbExpected3))
				throw new SecurityException("Salsa20-3");
			Dictionary<string, bool> d = new Dictionary<string, bool>();
			const int nRounds = 100;
			for(int i = 0; i < nRounds; ++i)
			{
				byte[] z = new byte[32];
				c = new Salsa20Cipher(z, MemUtil.Int64ToBytes(i));
				c.Encrypt(z, 0, z.Length);
				d[MemUtil.ByteArrayToHexString(z)] = true;
			}
			if(d.Count != nRounds) throw new SecurityException("Salsa20-4");
#endif
		}
#if DEBUG
		private static int Salsa20ToPos(Salsa20Cipher c, Random r, int nPos,
			int nTargetPos)
		{
			byte[] pb = new byte[512];
			while(nPos < nTargetPos)
			{
				int x = r.Next(1, 513);
				int nGen = Math.Min(nTargetPos - nPos, x);
				c.Encrypt(pb, 0, nGen);
				nPos += nGen;
			}
			return nTargetPos;
		}
#endif
		private static void TestChaCha20(Random r)
		{
			// ======================================================
			// Test vector from RFC 7539, section 2.3.2
			byte[] pbKey = new byte[32];
			for(int i = 0; i < 32; ++i) pbKey[i] = (byte)i;
			byte[] pbIV = new byte[12];
			pbIV[3] = 0x09;
			pbIV[7] = 0x4A;
			byte[] pbExpc = new byte[64] {
				0x10, 0xF1, 0xE7, 0xE4, 0xD1, 0x3B, 0x59, 0x15,
				0x50, 0x0F, 0xDD, 0x1F, 0xA3, 0x20, 0x71, 0xC4,
				0xC7, 0xD1, 0xF4, 0xC7, 0x33, 0xC0, 0x68, 0x03,
				0x04, 0x22, 0xAA, 0x9A, 0xC3, 0xD4, 0x6C, 0x4E,
				0xD2, 0x82, 0x64, 0x46, 0x07, 0x9F, 0xAA, 0x09,
				0x14, 0xC2, 0xD7, 0x05, 0xD9, 0x8B, 0x02, 0xA2,
				0xB5, 0x12, 0x9C, 0xD1, 0xDE, 0x16, 0x4E, 0xB9,
				0xCB, 0xD0, 0x83, 0xE8, 0xA2, 0x50, 0x3C, 0x4E
			};
			byte[] pb = new byte[64];
			using(ChaCha20Cipher c = new ChaCha20Cipher(pbKey, pbIV))
			{
				c.Seek(64, SeekOrigin.Begin); // Skip first block
				c.Encrypt(pb, 0, pb.Length);
				if(!MemUtil.ArraysEqual(pb, pbExpc))
					throw new SecurityException("ChaCha20-1");
			}
#if DEBUG
			// ======================================================
			// Test vector from RFC 7539, section 2.4.2
			pbIV[3] = 0;
			pb = StrUtil.Utf8.GetBytes("Ladies and Gentlemen of the clas" +
				@"s of '99: If I could offer you only one tip for " +
				@"the future, sunscreen would be it.");
			pbExpc = new byte[] {
				0x6E, 0x2E, 0x35, 0x9A, 0x25, 0x68, 0xF9, 0x80,
				0x41, 0xBA, 0x07, 0x28, 0xDD, 0x0D, 0x69, 0x81,
				0xE9, 0x7E, 0x7A, 0xEC, 0x1D, 0x43, 0x60, 0xC2,
				0x0A, 0x27, 0xAF, 0xCC, 0xFD, 0x9F, 0xAE, 0x0B,
				0xF9, 0x1B, 0x65, 0xC5, 0x52, 0x47, 0x33, 0xAB,
				0x8F, 0x59, 0x3D, 0xAB, 0xCD, 0x62, 0xB3, 0x57,
				0x16, 0x39, 0xD6, 0x24, 0xE6, 0x51, 0x52, 0xAB,
				0x8F, 0x53, 0x0C, 0x35, 0x9F, 0x08, 0x61, 0xD8,
				0x07, 0xCA, 0x0D, 0xBF, 0x50, 0x0D, 0x6A, 0x61,
				0x56, 0xA3, 0x8E, 0x08, 0x8A, 0x22, 0xB6, 0x5E,
				0x52, 0xBC, 0x51, 0x4D, 0x16, 0xCC, 0xF8, 0x06,
				0x81, 0x8C, 0xE9, 0x1A, 0xB7, 0x79, 0x37, 0x36,
				0x5A, 0xF9, 0x0B, 0xBF, 0x74, 0xA3, 0x5B, 0xE6,
				0xB4, 0x0B, 0x8E, 0xED, 0xF2, 0x78, 0x5E, 0x42,
				0x87, 0x4D
			};
			byte[] pb64 = new byte[64];
			using(ChaCha20Cipher c = new ChaCha20Cipher(pbKey, pbIV))
			{
				c.Encrypt(pb64, 0, pb64.Length); // Skip first block
				c.Encrypt(pb, 0, pb.Length);
				if(!MemUtil.ArraysEqual(pb, pbExpc))
					throw new SecurityException("ChaCha20-2");
			}
			// ======================================================
			// Test vector from RFC 7539, appendix A.2 #2
			Array.Clear(pbKey, 0, pbKey.Length);
			pbKey[31] = 1;
			Array.Clear(pbIV, 0, pbIV.Length);
			pbIV[11] = 2;
			pb = StrUtil.Utf8.GetBytes("Any submission to the IETF inten" +
				"ded by the Contributor for publication as all or" +
				" part of an IETF Internet-Draft or RFC and any s" +
				"tatement made within the context of an IETF acti" +
				"vity is considered an \"IETF Contribution\". Such " +
				"statements include oral statements in IETF sessi" +
				"ons, as well as written and electronic communica" +
				"tions made at any time or place, which are addressed to");
			pbExpc = MemUtil.HexStringToByteArray(
				"A3FBF07DF3FA2FDE4F376CA23E82737041605D9F4F4F57BD8CFF2C1D4B7955EC" +
				"2A97948BD3722915C8F3D337F7D370050E9E96D647B7C39F56E031CA5EB6250D" +
				"4042E02785ECECFA4B4BB5E8EAD0440E20B6E8DB09D881A7C6132F420E527950" +
				"42BDFA7773D8A9051447B3291CE1411C680465552AA6C405B7764D5E87BEA85A" +
				"D00F8449ED8F72D0D662AB052691CA66424BC86D2DF80EA41F43ABF937D3259D" +
				"C4B2D0DFB48A6C9139DDD7F76966E928E635553BA76C5C879D7B35D49EB2E62B" +
				"0871CDAC638939E25E8A1E0EF9D5280FA8CA328B351C3C765989CBCF3DAA8B6C" +
				"CC3AAF9F3979C92B3720FC88DC95ED84A1BE059C6499B9FDA236E7E818B04B0B" +
				"C39C1E876B193BFE5569753F88128CC08AAA9B63D1A16F80EF2554D7189C411F" +
				"5869CA52C5B83FA36FF216B9C1D30062BEBCFD2DC5BCE0911934FDA79A86F6E6" +
				"98CED759C3FF9B6477338F3DA4F9CD8514EA9982CCAFB341B2384DD902F3D1AB" +
				"7AC61DD29C6F21BA5B862F3730E37CFDC4FD806C22F221");
			using(MemoryStream msEnc = new MemoryStream())
			{
				using(ChaCha20Stream c = new ChaCha20Stream(msEnc, true, pbKey, pbIV))
				{
					r.NextBytes(pb64);
					c.Write(pb64, 0, pb64.Length); // Skip first block
					int p = 0;
					while(p < pb.Length)
					{
						int cb = r.Next(1, pb.Length - p + 1);
						c.Write(pb, p, cb);
						p += cb;
					}
					Debug.Assert(p == pb.Length);
				}
				byte[] pbEnc0 = msEnc.ToArray();
				byte[] pbEnc = MemUtil.Mid(pbEnc0, 64, pbEnc0.Length - 64);
				if(!MemUtil.ArraysEqual(pbEnc, pbExpc))
					throw new SecurityException("ChaCha20-3");
				using(MemoryStream msCT = new MemoryStream(pbEnc0, false))
				{
					using(ChaCha20Stream cDec = new ChaCha20Stream(msCT, false,
						pbKey, pbIV))
					{
						byte[] pbPT = MemUtil.Read(cDec, pbEnc0.Length);
						if(cDec.ReadByte() >= 0)
							throw new SecurityException("ChaCha20-4");
						if(!MemUtil.ArraysEqual(MemUtil.Mid(pbPT, 0, 64), pb64))
							throw new SecurityException("ChaCha20-5");
						if(!MemUtil.ArraysEqual(MemUtil.Mid(pbPT, 64, pbEnc.Length), pb))
							throw new SecurityException("ChaCha20-6");
					}
				}
			}
			// ======================================================
			// Test vector TC8 from RFC draft by J. Strombergson:
			// https://tools.ietf.org/html/draft-strombergson-chacha-test-vectors-01
			pbKey = new byte[32] {
				0xC4, 0x6E, 0xC1, 0xB1, 0x8C, 0xE8, 0xA8, 0x78,
				0x72, 0x5A, 0x37, 0xE7, 0x80, 0xDF, 0xB7, 0x35,
				0x1F, 0x68, 0xED, 0x2E, 0x19, 0x4C, 0x79, 0xFB,
				0xC6, 0xAE, 0xBE, 0xE1, 0xA6, 0x67, 0x97, 0x5D
			};
			// The first 4 bytes are set to zero and a large counter
			// is used; this makes the RFC 7539 version of ChaCha20
			// compatible with the original specification by
			// D. J. Bernstein.
			pbIV = new byte[12] { 0x00, 0x00, 0x00, 0x00,
				0x1A, 0xDA, 0x31, 0xD5, 0xCF, 0x68, 0x82, 0x21
			};
			pb = new byte[128];
			pbExpc = new byte[128] {
				0xF6, 0x3A, 0x89, 0xB7, 0x5C, 0x22, 0x71, 0xF9,
				0x36, 0x88, 0x16, 0x54, 0x2B, 0xA5, 0x2F, 0x06,
				0xED, 0x49, 0x24, 0x17, 0x92, 0x30, 0x2B, 0x00,
				0xB5, 0xE8, 0xF8, 0x0A, 0xE9, 0xA4, 0x73, 0xAF,
				0xC2, 0x5B, 0x21, 0x8F, 0x51, 0x9A, 0xF0, 0xFD,
				0xD4, 0x06, 0x36, 0x2E, 0x8D, 0x69, 0xDE, 0x7F,
				0x54, 0xC6, 0x04, 0xA6, 0xE0, 0x0F, 0x35, 0x3F,
				0x11, 0x0F, 0x77, 0x1B, 0xDC, 0xA8, 0xAB, 0x92,
				0xE5, 0xFB, 0xC3, 0x4E, 0x60, 0xA1, 0xD9, 0xA9,
				0xDB, 0x17, 0x34, 0x5B, 0x0A, 0x40, 0x27, 0x36,
				0x85, 0x3B, 0xF9, 0x10, 0xB0, 0x60, 0xBD, 0xF1,
				0xF8, 0x97, 0xB6, 0x29, 0x0F, 0x01, 0xD1, 0x38,
				0xAE, 0x2C, 0x4C, 0x90, 0x22, 0x5B, 0xA9, 0xEA,
				0x14, 0xD5, 0x18, 0xF5, 0x59, 0x29, 0xDE, 0xA0,
				0x98, 0xCA, 0x7A, 0x6C, 0xCF, 0xE6, 0x12, 0x27,
				0x05, 0x3C, 0x84, 0xE4, 0x9A, 0x4A, 0x33, 0x32
			};
			using(ChaCha20Cipher c = new ChaCha20Cipher(pbKey, pbIV, true))
			{
				c.Decrypt(pb, 0, pb.Length);
				if(!MemUtil.ArraysEqual(pb, pbExpc))
					throw new SecurityException("ChaCha20-7");
			}
#endif
		}
		private static void TestBlake2b(Random r)
		{
#if DEBUG
			Blake2b h = new Blake2b();
			// ======================================================
			// From https://tools.ietf.org/html/rfc7693
			byte[] pbData = StrUtil.Utf8.GetBytes("abc");
			byte[] pbExpc = new byte[64] {
				0xBA, 0x80, 0xA5, 0x3F, 0x98, 0x1C, 0x4D, 0x0D,
				0x6A, 0x27, 0x97, 0xB6, 0x9F, 0x12, 0xF6, 0xE9,
				0x4C, 0x21, 0x2F, 0x14, 0x68, 0x5A, 0xC4, 0xB7,
				0x4B, 0x12, 0xBB, 0x6F, 0xDB, 0xFF, 0xA2, 0xD1,
				0x7D, 0x87, 0xC5, 0x39, 0x2A, 0xAB, 0x79, 0x2D,
				0xC2, 0x52, 0xD5, 0xDE, 0x45, 0x33, 0xCC, 0x95,
				0x18, 0xD3, 0x8A, 0xA8, 0xDB, 0xF1, 0x92, 0x5A,
				0xB9, 0x23, 0x86, 0xED, 0xD4, 0x00, 0x99, 0x23
			};
			byte[] pbC = h.ComputeHash(pbData);
			if(!MemUtil.ArraysEqual(pbC, pbExpc))
				throw new SecurityException("Blake2b-1");
			// ======================================================
			// Computed using the official b2sum tool
			pbExpc = new byte[64] {
				0x78, 0x6A, 0x02, 0xF7, 0x42, 0x01, 0x59, 0x03,
				0xC6, 0xC6, 0xFD, 0x85, 0x25, 0x52, 0xD2, 0x72,
				0x91, 0x2F, 0x47, 0x40, 0xE1, 0x58, 0x47, 0x61,
				0x8A, 0x86, 0xE2, 0x17, 0xF7, 0x1F, 0x54, 0x19,
				0xD2, 0x5E, 0x10, 0x31, 0xAF, 0xEE, 0x58, 0x53,
				0x13, 0x89, 0x64, 0x44, 0x93, 0x4E, 0xB0, 0x4B,
				0x90, 0x3A, 0x68, 0x5B, 0x14, 0x48, 0xB7, 0x55,
				0xD5, 0x6F, 0x70, 0x1A, 0xFE, 0x9B, 0xE2, 0xCE
			};
			pbC = h.ComputeHash(MemUtil.EmptyByteArray);
			if(!MemUtil.ArraysEqual(pbC, pbExpc))
				throw new SecurityException("Blake2b-2");
			// ======================================================
			// Computed using the official b2sum tool
			string strS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.:,;_-\r\n";
			StringBuilder sb = new StringBuilder();
			for(int i = 0; i < 1000; ++i) sb.Append(strS);
			pbData = StrUtil.Utf8.GetBytes(sb.ToString());
			pbExpc = new byte[64] {
				0x59, 0x69, 0x8D, 0x3B, 0x83, 0xF4, 0x02, 0x4E,
				0xD8, 0x99, 0x26, 0x0E, 0xF4, 0xE5, 0x9F, 0x20,
				0xDC, 0x31, 0xEE, 0x5B, 0x45, 0xEA, 0xBB, 0xFC,
				0x1C, 0x0A, 0x8E, 0xED, 0xAA, 0x7A, 0xFF, 0x50,
				0x82, 0xA5, 0x8F, 0xBC, 0x4A, 0x46, 0xFC, 0xC5,
				0xEF, 0x44, 0x4E, 0x89, 0x80, 0x7D, 0x3F, 0x1C,
				0xC1, 0x94, 0x45, 0xBB, 0xC0, 0x2C, 0x95, 0xAA,
				0x3F, 0x08, 0x8A, 0x93, 0xF8, 0x75, 0x91, 0xB0
			};
			int p = 0;
			while(p < pbData.Length)
			{
				int cb = r.Next(1, pbData.Length - p + 1);
				h.TransformBlock(pbData, p, cb, pbData, p);
				p += cb;
			}
			Debug.Assert(p == pbData.Length);
			h.TransformFinalBlock(MemUtil.EmptyByteArray, 0, 0);
			if(!MemUtil.ArraysEqual(h.Hash, pbExpc))
				throw new SecurityException("Blake2b-3");
			h.Clear();
#endif
		}
		private static void TestArgon2()
		{
#if DEBUG
			Argon2Kdf kdf = new Argon2Kdf();
			// ======================================================
			// From the official Argon2 1.3 reference code package
			// (test vector for Argon2d 1.3); also on
			// https://tools.ietf.org/html/draft-irtf-cfrg-argon2-00
			KdfParameters p = kdf.GetDefaultParameters();
			kdf.Randomize(p);
			Debug.Assert(p.GetUInt32(Argon2Kdf.ParamVersion, 0) == 0x13U);
			byte[] pbMsg = new byte[32];
			for(int i = 0; i < pbMsg.Length; ++i) pbMsg[i] = 1;
			p.SetUInt64(Argon2Kdf.ParamMemory, 32 * 1024);
			p.SetUInt64(Argon2Kdf.ParamIterations, 3);
			p.SetUInt32(Argon2Kdf.ParamParallelism, 4);
			byte[] pbSalt = new byte[16];
			for(int i = 0; i < pbSalt.Length; ++i) pbSalt[i] = 2;
			p.SetByteArray(Argon2Kdf.ParamSalt, pbSalt);
			byte[] pbKey = new byte[8];
			for(int i = 0; i < pbKey.Length; ++i) pbKey[i] = 3;
			p.SetByteArray(Argon2Kdf.ParamSecretKey, pbKey);
			byte[] pbAssoc = new byte[12];
			for(int i = 0; i < pbAssoc.Length; ++i) pbAssoc[i] = 4;
			p.SetByteArray(Argon2Kdf.ParamAssocData, pbAssoc);
			byte[] pbExpc = new byte[32] {
				0x51, 0x2B, 0x39, 0x1B, 0x6F, 0x11, 0x62, 0x97,
				0x53, 0x71, 0xD3, 0x09, 0x19, 0x73, 0x42, 0x94,
				0xF8, 0x68, 0xE3, 0xBE, 0x39, 0x84, 0xF3, 0xC1,
				0xA1, 0x3A, 0x4D, 0xB9, 0xFA, 0xBE, 0x4A, 0xCB
			};


Answer: 			byte[] pb = kdf.Transform(pbMsg, p);