/// <summary>
/// Create KRB_PRIV. This PDU should be sent after AP exchange successfully.
/// </summary>
/// <param name="krbPrivRequest">Specify if sequence number or timestamp will be used.</param>
/// <param name="userData">The user data want to send.</param>
/// <returns>The created KRB_PRIV.</returns>
public KrbPriv CreateKrbPrivRequest(KRB_PRIV_REQUEST krbPrivRequest, byte[] userData)
{
KrbPriv priv = new KrbPriv(context);
priv.KerberosPriv.msg_type = new Asn1Integer((int)MsgType.KRB_PRIV);
priv.KerberosPriv.pvno = new Asn1Integer(ConstValue.KERBEROSV5);
priv.PrivEncPart = ConstructEncKrbPrivPart(krbPrivRequest, userData);
return(priv);
}
/// <summary>
/// Construct EncKrbPrivPartof of KrbPrivRequest
/// </summary>
/// <param name="krbPrivRequest">to decide whether an seq_number in EncKrbPrivPart or not</param>
/// <param name="userData">The user data want to send.</param>
/// <returns>The EncKrbPrivPart.</returns>
private EncKrbPrivPart ConstructEncKrbPrivPart(KRB_PRIV_REQUEST krbPrivRequest, byte[] userData)
{
EncKrbPrivPart encKrbPriv = new EncKrbPrivPart();
encKrbPriv.s_address = new HostAddress(new KerbInt32((int)AddressType.NetBios),
new Asn1OctetString(Dns.GetHostName()));
encKrbPriv.usec = new Microseconds(0);
encKrbPriv.user_data = new Asn1OctetString(userData);
if (krbPrivRequest == KRB_PRIV_REQUEST.KrbPrivWithSequenceNumber)
{
encKrbPriv.seq_number = new KerbUInt32((long)context.CurrentLocalSequenceNumber);
encKrbPriv.timestamp = null;
}
else
{
encKrbPriv.seq_number = null;
encKrbPriv.timestamp = new KerberosTime(KileUtility.GetCurrentUTCTime());
}
return(encKrbPriv);
}