The program has an easy interface to shuffle the rows and columns, and each step is recorded, This enables running the key automaticalle or manually. Both text and key can be imported from, and exported to the clipboard in various formats. This small program - only 105 Kb - is ideal to create your own puzzles or encrypt short messages. Currently, there's a Crypto Box Challenge running at this website. Join this challenge and earn a place in the Table of Honor! Runs on Windows™ 98/ME/2000/XP/Vista/Win7 and with WINE on Linux or Parallels Desktop on MAC. All feedback, suggestions or comments are most welcome by e-mail or by visiting the Guestbook. Download the Crypto Box program
Please check the readme file before
installation!
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The Crypto Box is a tool to encrypt text by
moving the letters. This is done by shuffling the rows
and columns of the text square. Retrieving the original
position of the letters has proved to be a real challenge
due to the large number of possible moves and the complex
way the letters travel around the square. Even the
simplest shuffles with a few steps create a true
brain-teasing puzzle. More steps means a more complex
encryption. There are 39 ways to move a row or columns in
the box (moving a row back is useless so the 40th doesn't
count). For five steps this already gives 40 * 39 * 39 *
39 * 39 = 92,537,640 possible combinations. Each further
step multiplies the result with 39. With only 40 steps
you will have 4.5x1063 combinations,
comparable with an enormous 212 bit key!