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Simple Cypher is a computer version of a cypher system developed by Thomas Jefferson.

The original system used numbered, wooden wheels and a spindle with two end caps. Each wheel had all 26 letters around the edge in random order. The Sender noted the order in which wheels were placed on the spindle. Then, each wheel was rotated as necessary to spell out the message. Finally, the caps were pressed tight so that all wheels rotated together and the spindle was rotated to any other row which became the encyphered message. The wheel order and the encyphered message were went to the Receiver (separate messages) who more...

What's New

Version 2.2.1:
  • Bug fix


OS X 10.6 or later

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Current Version (2.x)


Downloads 819
Version Downloads 69
Type Games / Simulation
License Shareware
Date 25 Jan 2014
Platform OS X / Intel 32
Price $10.00
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