docucolor-ng

Simple local GUI tool for forensic yellowdot pattern analysis (MIC) based on this reasearch by the EFF: https://w2.eff.org/Privacy/printers/docucolor/

Preview

Installation

1. Clone the Repository:

   git clone https://github.com/summoningshells/docucolor-ng.git
   cd docucolor-ng

2. Install Dependencies: Ensure you have Python 3.9+ installed. Install required packages using pip:

   pip install PyQt6

3. Run the Program: Execute the program with:

   python main.py

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Usage

1. Launch the program by running main.py.
2. Use the grid interface to input the dot pattern:
   • Checkboxes represent dots (checked = dot present, unchecked = no dot).
3. Click Decode to process the input pattern:
   • The decoded results will appear in the text box below, including parity checks, serial number, date, and time.
4. If needed, click Clear to reset all inputs.

Decoding Details

The program decodes information from DocuColor tracking dots as follows:

• Printer Serial Number:
  • Extracted from columns 11–14.
• Date of Printing:
  • Year: Decoded from column 8.
  • Month: Decoded from column 7.
  • Day: Decoded from column 6.
• Time of Printing:
  • Hour: Decoded from column 5.
  • Minute: Decoded from column 2.