a small and simple toolkit for LSB based steganalysis

As of 2012-12-28, this project may now be found at

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This is a small and simple toolkit that might be useful during steganalysis, it is currently composed by several general purpose command line tools.
NOTE: this project has been moved to

pylsb-toolkit Web Site


  • extract LSB data stream from pictures
  • embed arbitrary data into pictures with LSB based algorithms
  • support to channel selection
  • support to bit selection
  • visual LSB analysis
  • chi-square test
  • autocorrelation and entropy estimation

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Education, Security

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