public byte[] Serialise()
{
RdpPacket packet = new RdpPacket();
if (this.NbDomainName.length > 0)
{
packet.WriteLittleEndian16((short)2);
packet.WriteLittleEndian16((short)this.NbDomainName.length);
packet.Write(this.NbDomainName.value, 0, this.NbDomainName.length);
}
if (this.NbComputerName.length > 0)
{
packet.WriteLittleEndian16((short)1);
packet.WriteLittleEndian16((short)this.NbComputerName.length);
packet.Write(this.NbComputerName.value, 0, this.NbComputerName.length);
}
if (this.DnsDomainName.length > 0)
{
packet.WriteLittleEndian16((short)4);
packet.WriteLittleEndian16((short)this.DnsDomainName.length);
packet.Write(this.DnsDomainName.value, 0, this.DnsDomainName.length);
}
if (this.DnsComputerName.length > 0)
{
packet.WriteLittleEndian16((short)3);
packet.WriteLittleEndian16((short)this.DnsComputerName.length);
packet.Write(this.DnsComputerName.value, 0, this.DnsComputerName.length);
}
if (this.DnsTreeName.length > 0)
{
packet.WriteLittleEndian16((short)5);
packet.WriteLittleEndian16((short)this.DnsTreeName.length);
packet.Write(this.DnsTreeName.value, 0, this.DnsTreeName.length);
}
if (this.Timestamp.length > 0)
{
packet.WriteLittleEndian16((short)7);
packet.WriteLittleEndian16((short)this.Timestamp.length);
packet.Write(this.Timestamp.value, 0, this.Timestamp.length);
}
if (this.Flags != 0)
{
packet.WriteLittleEndian16((short)6);
packet.WriteLittleEndian16((short)4);
packet.WriteLittleEndian32(this.Flags);
}
if (this.Restrictions.length > 0)
{
packet.WriteLittleEndian16((short)8);
packet.WriteLittleEndian16((short)this.Restrictions.length);
packet.Write(this.Restrictions.value, 0, this.Restrictions.length);
}
if (this.ChannelBindings.length > 0)
{
packet.WriteLittleEndian16((short)10);
packet.WriteLittleEndian16((short)this.ChannelBindings.length);
packet.Write(this.ChannelBindings.value, 0, this.ChannelBindings.length);
}
if (this.TargetName.value != null)
{
packet.WriteLittleEndian16((short)9);
packet.WriteLittleEndian16((short)this.TargetName.length);
packet.Write(this.TargetName.value, 0, this.TargetName.length);
}
packet.WriteLittleEndian16((short)0);
packet.WriteLittleEndian16((short)0);
packet.WritePadding(8);
byte[] buffer = new byte[packet.Length];
packet.Position = 0L;
packet.Read(buffer, 0, buffer.Length);
return(buffer);
}
private byte[] Authenticate(byte[] lmChallengeResponse, byte[] ntChallengeResponse, string sDomainName, string sUser, string sWorkstation, byte[] EncryptedRandomSessionKey, byte[] ExportedSessionKey, bool bGenerateMIC)
{
RdpPacket packet = new RdpPacket();
uint flags = ((((((0xe2800000 | RDPClient.NTLMSSP_NEGOTIATE_EXTENDED_SESSION_SECURITY) | RDPClient.NTLMSSP_NEGOTIATE_ALWAYS_SIGN) | RDPClient.NTLMSSP_NEGOTIATE_NTLM) | RDPClient.NTLMSSP_NEGOTIATE_SEAL) | RDPClient.NTLMSSP_NEGOTIATE_SIGN) | RDPClient.NTLMSSP_REQUEST_TARGET) | RDPClient.NTLMSSP_NEGOTIATE_UNICODE;
DumpFlags(flags);
int position = (int)packet.Position;
packet.WriteString("NTLMSSP", false);
packet.WriteByte(0);
packet.WriteLittleEndian32(3);
int num3 = ((int)packet.Position) - position;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 8;
num3 += 4;
if ((flags & 0x2000000) != 0)
{
num3 += 8;
}
if (bGenerateMIC)
{
num3 += 0x10;
}
byte[] bytes = Encoding.Unicode.GetBytes(sDomainName);
byte[] buffer = Encoding.Unicode.GetBytes(sUser);
byte[] buffer3 = Encoding.Unicode.GetBytes(sWorkstation);
int num4 = num3;
int num5 = num4 + bytes.Length;
int num6 = num5 + buffer.Length;
int num7 = num6 + buffer3.Length;
int num8 = num7 + lmChallengeResponse.Length;
int num9 = num8 + ntChallengeResponse.Length;
packet.WriteLittleEndian16((ushort)lmChallengeResponse.Length);
packet.WriteLittleEndian16((ushort)lmChallengeResponse.Length);
packet.WriteLittleEndian32(num7);
num3 += lmChallengeResponse.Length;
packet.WriteLittleEndian16((ushort)ntChallengeResponse.Length);
packet.WriteLittleEndian16((ushort)ntChallengeResponse.Length);
packet.WriteLittleEndian32(num8);
num3 += ntChallengeResponse.Length;
packet.WriteLittleEndian16((ushort)bytes.Length);
packet.WriteLittleEndian16((ushort)bytes.Length);
packet.WriteLittleEndian32(num4);
num3 += bytes.Length;
packet.WriteLittleEndian16((ushort)buffer.Length);
packet.WriteLittleEndian16((ushort)buffer.Length);
packet.WriteLittleEndian32(num5);
num3 += buffer.Length;
packet.WriteLittleEndian16((ushort)buffer3.Length);
packet.WriteLittleEndian16((ushort)buffer3.Length);
packet.WriteLittleEndian32(num6);
num3 += buffer3.Length;
packet.WriteLittleEndian16((ushort)EncryptedRandomSessionKey.Length);
packet.WriteLittleEndian16((ushort)EncryptedRandomSessionKey.Length);
packet.WriteLittleEndian32(num9);
num3 += EncryptedRandomSessionKey.Length;
packet.WriteLittleEndian32(flags);
if ((flags & 0x2000000) != 0)
{
this.WriteVersion(packet);
}
long num10 = packet.Position;
if (bGenerateMIC)
{
packet.WritePadding(0x10);
}
packet.Write(bytes, 0, bytes.Length);
packet.Write(buffer, 0, buffer.Length);
packet.Write(buffer3, 0, buffer3.Length);
packet.Write(lmChallengeResponse, 0, lmChallengeResponse.Length);
packet.Write(ntChallengeResponse, 0, ntChallengeResponse.Length);
packet.Write(EncryptedRandomSessionKey, 0, EncryptedRandomSessionKey.Length);
if (bGenerateMIC)
{
packet.Position = 0L;
byte[] buffer4 = new byte[packet.Length];
packet.Read(buffer4, 0, buffer4.Length);
HMACT64 hmact = new HMACT64(ExportedSessionKey);
hmact.update(this.m_NegotiateMsg);
hmact.update(this.m_ChallengeMsg);
hmact.update(buffer4);
byte[] buffer5 = hmact.digest();
packet.Position = num10;
packet.Write(buffer5, 0, buffer5.Length);
}
packet.Position = 0L;
byte[] buffer6 = new byte[packet.Length];
packet.Read(buffer6, 0, buffer6.Length);
return(buffer6);
}
