static void AssertNtlm2Key(SaslMechanismNtlm sasl, string challenge1, string challenge2)
{
var challenge = sasl.Challenge(string.Empty);
Assert.AreEqual(challenge1, challenge, "Initial challenge");
Assert.IsFalse(sasl.IsAuthenticated, "IsAuthenticated");
challenge = sasl.Challenge(challenge2);
var token = Convert.FromBase64String(challenge2);
var type2 = new Type2Message(token, 0, token.Length);
var type3 = new Type3Message(type2, null, sasl.Level, sasl.Credentials.UserName, sasl.Credentials.Password, sasl.Workstation);
var ignoreLength = 48;
var actual = Convert.FromBase64String(challenge);
var expected = type3.Encode();
Assert.AreEqual(expected.Length, actual.Length, "Final challenge differs in length: {0} vs {1}", expected.Length, actual.Length);
for (int i = 0; i < expected.Length - ignoreLength; i++)
{
Assert.AreEqual(expected[i], actual[i], "Final challenge differs at index {0}", i);
}
Assert.IsTrue(sasl.IsAuthenticated, "IsAuthenticated");
}
static void AssertNtlmv2(SaslMechanismNtlm sasl, string challenge1, string challenge2)
{
var challenge = sasl.Challenge(string.Empty);
Assert.AreEqual(challenge1, challenge, "Initial challenge");
Assert.IsFalse(sasl.IsAuthenticated, "IsAuthenticated");
challenge = sasl.Challenge(challenge2);
var token = Convert.FromBase64String(challenge2);
var type2 = new Type2Message(token, 0, token.Length);
var type3 = new Type3Message(type2, null, sasl.Level, sasl.Credentials.UserName, sasl.Credentials.Password, sasl.Workstation);
var ignoreLength = type2.EncodedTargetInfo.Length + 28 + 16;
var actual = Convert.FromBase64String(challenge);
var expected = type3.Encode();
var ntlmBufferIndex = expected.Length - ignoreLength;
var targetInfoIndex = ntlmBufferIndex + 16 /* md5 hash */ + 28;
Assert.AreEqual(expected.Length, actual.Length, "Final challenge differs in length: {0} vs {1}", expected.Length, actual.Length);
for (int i = 0; i < expected.Length - ignoreLength; i++)
{
Assert.AreEqual(expected[i], actual[i], "Final challenge differs at index {0}", i);
}
// now compare the TargetInfo blobs
for (int i = targetInfoIndex; i < expected.Length; i++)
{
Assert.AreEqual(expected[i], actual[i], "Final challenge differs at index {0}", i);
}
Assert.IsTrue(sasl.IsAuthenticated, "IsAuthenticated");
}
public void TestNtlmType3MessageEncode()
{
const string expected = "TlRMTVNTUAADAAAAGAAYAGoAAAAYABgAggAAAAwADABAAAAACAAIAEwAAAAWABYAVAAAAAAAAACaAAAAAQIAAEQATwBNAEEASQBOAHUAcwBlAHIAVwBPAFIASwBTAFQAQQBUAEkATwBOAJje97h/iKpdr+Lfd5aIoXLe8Rx9XM3vE91UKLAehvTfyr6sOUlG29Q+6I95TdYyVQ==";
const string challenge2 = "TlRMTVNTUAACAAAADAAMADAAAAABAoEAASNFZ4mrze8AAAAAAAAAAGIAYgA8AAAARABPAE0AQQBJAE4AAgAMAEQATwBNAEEASQBOAAEADABTAEUAUgBWAEUAUgAEABQAZABvAG0AYQBpAG4ALgBjAG8AbQADACIAcwBlAHIAdgBlAHIALgBkAG8AbQBhAGkAbgAuAGMAbwBtAAAAAAA=";
var token = Convert.FromBase64String(challenge2);
var type2 = new Type2Message(token, 0, token.Length);
var type3 = new Type3Message(type2, null, NtlmAuthLevel.LM_and_NTLM, "user", "password", "WORKSTATION");
var actual = Convert.ToBase64String(type3.Encode());
Assert.AreEqual(expected, actual, "The encoded Type3Message did not match the expected result.");
}
