public byte[] GetBytes() { if ((NegotiateFlags & NegotiateFlags.KeyExchange) == 0) { EncryptedRandomSessionKey = new byte[0]; } int fixedLength = 64; if ((NegotiateFlags & NegotiateFlags.Version) > 0) { fixedLength += NTLMVersion.Length; } int payloadLength = LmChallengeResponse.Length + NtChallengeResponse.Length + DomainName.Length * 2 + UserName.Length * 2 + WorkStation.Length * 2 + EncryptedRandomSessionKey.Length; byte[] buffer = new byte[fixedLength + payloadLength]; ByteWriter.WriteAnsiString(buffer, 0, ValidSignature, 8); LittleEndianWriter.WriteUInt32(buffer, 8, (uint)MessageType); LittleEndianWriter.WriteUInt32(buffer, 60, (uint)NegotiateFlags); if ((NegotiateFlags & NegotiateFlags.Version) > 0) { Version.WriteBytes(buffer, 64); } int offset = fixedLength; AuthenticationMessageUtils.WriteBufferPointer(buffer, 12, (ushort)LmChallengeResponse.Length, (uint)offset); ByteWriter.WriteBytes(buffer, ref offset, LmChallengeResponse); AuthenticationMessageUtils.WriteBufferPointer(buffer, 20, (ushort)NtChallengeResponse.Length, (uint)offset); ByteWriter.WriteBytes(buffer, ref offset, NtChallengeResponse); AuthenticationMessageUtils.WriteBufferPointer(buffer, 28, (ushort)(DomainName.Length * 2), (uint)offset); ByteWriter.WriteUTF16String(buffer, ref offset, DomainName); AuthenticationMessageUtils.WriteBufferPointer(buffer, 36, (ushort)(UserName.Length * 2), (uint)offset); ByteWriter.WriteUTF16String(buffer, ref offset, UserName); AuthenticationMessageUtils.WriteBufferPointer(buffer, 44, (ushort)(WorkStation.Length * 2), (uint)offset); ByteWriter.WriteUTF16String(buffer, ref offset, WorkStation); AuthenticationMessageUtils.WriteBufferPointer(buffer, 52, (ushort)EncryptedRandomSessionKey.Length, (uint)offset); ByteWriter.WriteBytes(buffer, ref offset, EncryptedRandomSessionKey); return(buffer); }
public byte[] GetBytes() { if ((NegotiateFlags & NegotiateFlags.TargetNameSupplied) == 0) { TargetName = String.Empty; } byte[] targetInfoBytes = AVPairUtils.GetAVPairSequenceBytes(TargetInfo); if ((NegotiateFlags & NegotiateFlags.TargetInfo) == 0) { targetInfoBytes = new byte[0]; } int fixedLength = 48; if ((NegotiateFlags & NegotiateFlags.Version) > 0) { fixedLength += 8; } int payloadLength = TargetName.Length * 2 + targetInfoBytes.Length; byte[] buffer = new byte[fixedLength + payloadLength]; ByteWriter.WriteAnsiString(buffer, 0, AuthenticateMessage.ValidSignature, 8); LittleEndianWriter.WriteUInt32(buffer, 8, (uint)MessageType); LittleEndianWriter.WriteUInt32(buffer, 20, (uint)NegotiateFlags); ByteWriter.WriteBytes(buffer, 24, ServerChallenge); if ((NegotiateFlags & NegotiateFlags.Version) > 0) { Version.WriteBytes(buffer, 48); } int offset = fixedLength; AuthenticationMessageUtils.WriteBufferPointer(buffer, 12, (ushort)(TargetName.Length * 2), (uint)offset); ByteWriter.WriteUTF16String(buffer, ref offset, TargetName); AuthenticationMessageUtils.WriteBufferPointer(buffer, 40, (ushort)targetInfoBytes.Length, (uint)offset); ByteWriter.WriteBytes(buffer, ref offset, targetInfoBytes); return(buffer); }
public byte[] GetBytes() { if ((NegotiateFlags & NegotiateFlags.DomainNameSupplied) == 0) { DomainName = String.Empty; } if ((NegotiateFlags & NegotiateFlags.WorkstationNameSupplied) == 0) { Workstation = String.Empty; } int fixedLength = 32; if ((NegotiateFlags & NegotiateFlags.Version) > 0) { fixedLength += 8; } int payloadLength = DomainName.Length * 2 + Workstation.Length * 2; byte[] buffer = new byte[fixedLength + payloadLength]; ByteWriter.WriteAnsiString(buffer, 0, AuthenticateMessage.ValidSignature, 8); LittleEndianWriter.WriteUInt32(buffer, 8, (uint)MessageType); LittleEndianWriter.WriteUInt32(buffer, 12, (uint)NegotiateFlags); if ((NegotiateFlags & NegotiateFlags.Version) > 0) { Version.WriteBytes(buffer, 32); } int offset = fixedLength; AuthenticationMessageUtils.WriteBufferPointer(buffer, 16, (ushort)(DomainName.Length * 2), (uint)offset); ByteWriter.WriteUTF16String(buffer, ref offset, DomainName); AuthenticationMessageUtils.WriteBufferPointer(buffer, 24, (ushort)(Workstation.Length * 2), (uint)offset); ByteWriter.WriteUTF16String(buffer, ref offset, Workstation); return(buffer); }