SCSDT - Smart Card Sniffing And Debugging Tool is created to log the communication between a SIM/ME on a contact based level.
The software contains a simulator and a converter that takes individual logged APDU bytes (originally retrieved from the hardware) and transform them into an IO script on the form :

I: A0 A4 00 00 02 3F 00
O: 9F 16

Where the instruction of the APDU is read from an XML file that can be extended with proprietary commands.

The software was intended to work with a piece of hardware, but will also work without it - if the user provides a "log file" in an expected format.
In the documentation folder, such a script has been provided.


  • APDU logging from low level format with possibility to save log
  • APDU interpretation
  • Prorprietary APDU command translation via xml file
  • * = (Following requires hardware)
  • *HW support for both direct and inverse convention bytes
  • *APDU logging from HW device with real time view on GUI
  • *Logging between ME /SIM support for 372,64,32,16,8 clk/ETU

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Additional Project Details

Intended Audience

Telecommunications Industry

User Interface

Win32 (MS Windows)

Programming Language