cryptoPNG

Read or write secret message hidden from/to PNG image.

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Development Status
- 5 - Production/Stable
Environment
- Console
Intended Audience
- Science/Research
License
- OSI Approved :: GNU Library or Lesser General Public License (LGPL)
Natural Language
- English
Programming Language
- Python
Topic
- Security
- Utilities

Project description

Reading/writing secret text from/to image. Every 3 bits are encoded to 3x3 pixelgrid. Central pixel keeps the information, each channel of RGB represents one bit. If at least one of a neighbouring pixels color channel is same as color channel of central pixel, value is True, else False.