cryptoPNG

Read or write secret message hidden from/to PNG image
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cryptoPNG Ranking & Summary

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  • Rating:
  • License:
  • GPL
  • Price:
  • FREE
  • Publisher Name:
  • Vojtech Smejkal
  • Publisher web site:
  • http://code.google.com/u/smejkalv/
  • Operating Systems:
  • Mac OS X
  • File Size:
  • 4 KB

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cryptoPNG Description

Read or write secret message hidden from/to PNG image cryptoPNG is a free and open source Python based tool for reading or writing secret text from/to uncompressed raster image (PNG, GIF, etc). 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, it's a logical one(true), else logical zero(false). Requirements: · Python


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