Much of the content of this article is based on the book by Simon Singh(1), the author has devoted a section to the Muslim contribution to the subject. A special emphasis is made on the Famous Muslim Philosopher and Mathematician Al-Kindi as the originator of the first method of code breaking.
Throughout history the need for secrecy has been important. Governments and ordinary people have increasingly sought to secure the delivery of certain messages and important information in a way that allows only the intended recipient access and comprehension. This need for secrecy brought about the invention and the art of concealment, coding and code making. In return the need for intelligence and information lead to the development of code breaking techniques. These techniques primarily attack a particular weakness that a code or concealment method may have, rendering the sought after information apparent and comprehensible to the assailant..(1)
Evidence of concealing messages can be seen throughout history. These examples in many cases have had considerable effects on the outcome of history, as they may have decided the outcome of battles or the rise or fall of a king or Queen.

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