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//
// HMACMD5Test.cs - NUnit Test Cases for HMACMD5
//
// Author:
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2006, 2007 Novell, Inc (http://www.novell.com)
//
using NUnit.Framework;
using System;
using System.IO;
using System.Security.Cryptography;
using System.Text;
namespace MonoTests.System.Security.Cryptography {
public class HM5 : HMACMD5 {
public int BlockSize {
get { return base.BlockSizeValue; }
set { base.BlockSizeValue = value; }
}
}
// References:
// a. IETF RFC2202: Test Cases for HMAC-MD5 and HMAC-SHA-1
// http://www.ietf.org/rfc/rfc2202.txt
[TestFixture]
public class HMACMD5Test : KeyedHashAlgorithmTest {
protected HMACMD5 algo;
[SetUp]
public override void SetUp ()
{
algo = new HMACMD5 ();
algo.Key = new byte [8];
hash = algo;
}
[Test]
public void Constructors ()
{
algo = new HMACMD5 ();
Assert.IsNotNull (algo, "HMACMD5 ()");
byte[] key = new byte [8];
algo = new HMACMD5 (key);
Assert.IsNotNull (algo, "HMACMD5 (key)");
}
[Test]
[ExpectedException (typeof (NullReferenceException))]
public void Constructor_Null ()
{
new HMACMD5 (null);
}
[Test]
public void Invariants ()
{
algo = new HMACMD5 ();
Assert.IsTrue (algo.CanReuseTransform, "HMACMD5.CanReuseTransform");
Assert.IsTrue (algo.CanTransformMultipleBlocks, "HMACMD5.CanTransformMultipleBlocks");
Assert.AreEqual ("MD5", algo.HashName, "HMACMD5.HashName");
Assert.AreEqual (128, algo.HashSize, "HMACMD5.HashSize");
Assert.AreEqual (1, algo.InputBlockSize, "HMACMD5.InputBlockSize");
Assert.AreEqual (1, algo.OutputBlockSize, "HMACMD5.OutputBlockSize");
Assert.AreEqual ("System.Security.Cryptography.HMACMD5", algo.ToString (), "HMACMD5.ToString()");
}
[Test]
public void BlockSize ()
{
HM5 hmac = new HM5 ();
Assert.AreEqual (64, hmac.BlockSize, "BlockSizeValue");
}
public void Check (string testName, byte[] key, byte[] data, byte[] result)
{
string classTestName = "HMACMD5-" + testName;
CheckA (testName, key, data, result);
CheckB (testName, key, data, result);
CheckC (testName, key, data, result);
CheckD (testName, key, data, result);
CheckE (testName, key, data, result);
}
public void CheckA (string testName, byte[] key, byte[] data, byte[] result)
{
algo = new HMACMD5 ();
algo.Key = key;
byte[] hmac = algo.ComputeHash (data);
Assert.AreEqual (result, hmac, testName + "a1");
Assert.AreEqual (result, algo.Hash, testName + "a2");
}
public void CheckB (string testName, byte[] key, byte[] data, byte[] result)
{
algo = new HMACMD5 ();
algo.Key = key;
byte[] hmac = algo.ComputeHash (data, 0, data.Length);
Assert.AreEqual (result, hmac, testName + "b1");
Assert.AreEqual (result, algo.Hash, testName + "b2");
}
public void CheckC (string testName, byte[] key, byte[] data, byte[] result)
{
algo = new HMACMD5 ();
algo.Key = key;
MemoryStream ms = new MemoryStream (data);
byte[] hmac = algo.ComputeHash (ms);
Assert.AreEqual (result, hmac, testName + "c1");
Assert.AreEqual (result, algo.Hash, testName + "c2");
}
public void CheckD (string testName, byte[] key, byte[] data, byte[] result)
{
algo = new HMACMD5 ();
algo.Key = key;
// LAMESPEC or FIXME: TransformFinalBlock doesn't return HashValue !
algo.TransformFinalBlock (data, 0, data.Length);
Assert.AreEqual (result, algo.Hash, testName + "d");
}
public void CheckE (string testName, byte[] key, byte[] data, byte[] result)
{
algo = new HMACMD5 ();
algo.Key = key;
byte[] copy = new byte [data.Length];
// LAMESPEC or FIXME: TransformFinalBlock doesn't return HashValue !
for (int i=0; i < data.Length - 1; i++)
algo.TransformBlock (data, i, 1, copy, i);
algo.TransformFinalBlock (data, data.Length - 1, 1);
Assert.AreEqual (result, algo.Hash, testName + "e");
}
[Test]
public void RFC2202_TC1 ()
{
byte[] key = { 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b };
byte[] data = Encoding.Default.GetBytes ("Hi There");
byte[] digest = { 0x92, 0x94, 0x72, 0x7a, 0x36, 0x38, 0xbb, 0x1c, 0x13, 0xf4, 0x8e, 0xf8, 0x15, 0x8b, 0xfc, 0x9d };
Check ("RFC2202-TC1", key, data, digest);
}
[Test]
public void RFC2202_TC2 ()
{
byte[] key = Encoding.Default.GetBytes ("Jefe");
byte[] data = Encoding.Default.GetBytes ("what do ya want for nothing?");
byte[] digest = { 0x75, 0x0c, 0x78, 0x3e, 0x6a, 0xb0, 0xb5, 0x03, 0xea, 0xa8, 0x6e, 0x31, 0x0a, 0x5d, 0xb7, 0x38 };
Check ("RFC2202-TC2", key, data, digest);
}
[Test]
public void RFC2202_TC3 ()
{
byte[] key = { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa };
byte[] data = new byte [50];
for (int i = 0; i < data.Length; i++)
data[i] = 0xdd;
byte[] digest = { 0x56, 0xbe, 0x34, 0x52, 0x1d, 0x14, 0x4c, 0x88, 0xdb, 0xb8, 0xc7, 0x33, 0xf0, 0xe8, 0xb3, 0xf6 };
Check ("RFC2202-TC3", key, data, digest);
}
[Test]
public void RFC2202_TC4 ()
{
byte[] key = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19 };
byte[] data = new byte [50];
for (int i = 0; i < data.Length; i++)
data[i] = 0xcd;
byte[] digest = { 0x69, 0x7e, 0xaf, 0x0a, 0xca, 0x3a, 0x3a, 0xea, 0x3a, 0x75, 0x16, 0x47, 0x46, 0xff, 0xaa, 0x79 };
Check ("RFC2202-TC4", key, data, digest);
}
[Test]
public void RFC2202_TC5 ()
{
byte[] key = { 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c };
byte[] data = Encoding.Default.GetBytes ("Test With Truncation");
byte[] digest = { 0x56, 0x46, 0x1e, 0xf2, 0x34, 0x2e, 0xdc, 0x00, 0xf9, 0xba, 0xb9, 0x95, 0x69, 0x0e, 0xfd, 0x4c };
Check ("RFC2202-TC5", key, data, digest);
}
[Test]
public void RFC2202_TC6 ()
{
byte[] key = new byte [80];
for (int i = 0; i < key.Length; i++)
key[i] = 0xaa;
byte[] data = Encoding.Default.GetBytes ("Test Using Larger Than Block-Size Key - Hash Key First");
byte[] digest = { 0x6b, 0x1a, 0xb7, 0xfe, 0x4b, 0xd7, 0xbf, 0x8f, 0x0b, 0x62, 0xe6, 0xce, 0x61, 0xb9, 0xd0, 0xcd };
Check ("RFC2202-TC6", key, data, digest);
}
[Test]
public void RFC2202_TC7 ()
{
byte[] key = new byte [80];
for (int i = 0; i < key.Length; i++)
key[i] = 0xaa;
byte[] data = Encoding.Default.GetBytes ("Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data");
byte[] digest = { 0x6f, 0x63, 0x0f, 0xad, 0x67, 0xcd, 0xa0, 0xee, 0x1f, 0xb1, 0xf5, 0x62, 0xdb, 0x3a, 0xa5, 0x3e };
Check ("RFC2202-TC7", key, data, digest);
}
[Test]
public void Create_Incorrect ()
{
var x = HMACMD5.Create ();
Assert.AreEqual ("SHA1", x.HashName, "https://connect.microsoft.com/VisualStudio/feedback/details/838731/all-hmac-create-methods-return-an-instance-of-hmacmd5");
}
}
}
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