/// <summary>
/// Computes the actual challenge response to an NTLM challenge
/// which is sent as part of an NTLM type 2 message.
/// </summary>
/// <param name="challenge">The challenge sent by the server.</param>
/// <returns>The response to the NTLM challenge.</returns>
/// <exception cref="SaslException">Thrown if the challenge
/// response could not be computed.</exception>
protected new byte[] ComputeChallengeResponse(byte[] challenge) {
try {
Type2Message msg = Type2Message.Deserialize(challenge);
// This creates an NTLMv2 challenge response.
byte[] data = new Type3Message(Username, Password, msg.Challenge,
Username, true, msg.TargetName,
msg.RawTargetInformation).Serialize();
return data;
} catch (Exception e) {
throw new SaslException("The challenge response could not be " +
"computed.", e);
}
}
public void SerializeType3Message() {
Type2Message m2 = Type2Message.Deserialize(type2MessageVersion3);
// Compute the challenge response
Type3Message msg = new Type3Message("Testuser", "Testpassword",
m2.Challenge, "MyWorkstation");
byte[] serialized = msg.Serialize();
Assert.IsTrue(type3Message.SequenceEqual(serialized));
}
/// <summary>
/// Computes the actual challenge response to an NTLM challenge
/// which is sent as part of an NTLM type 2 message.
/// </summary>
/// <param name="challenge">The challenge sent by the server.</param>
/// <returns>The response to the NTLM challenge.</returns>
/// <exception cref="SaslException">Thrown if the challenge
/// response could not be computed.</exception>
protected byte[] ComputeChallengeResponse(byte[] challenge) {
try {
Type2Message msg = Type2Message.Deserialize(challenge);
byte[] data = new Type3Message(Username, Password, msg.Challenge,
"Workstation").Serialize();
return data;
} catch (Exception e) {
throw new SaslException("The challenge response could not be " +
"computed.", e);
}
}
