Cipher and code are two different terms that are often used interchangeably, but they each have their own distinctive properties.

Terms to know:

Cipher: (Arabic: sifr, nothing) A means of concealing a message, The letters of the message are substituted or transposed for other letters, letter pairs (bigrams or digraph), and sometimes for many letters ( Read more... )

Codes are used in every day life; by people who don't recognize them and by people who specifically use them.

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This video provides a great introduction to cryptology and what it can be used for.

One of the earliest examples of codes that we are aware of today is the Caesar Cipher. This cipher shifted each letter three foward in the alphabet. For ( Read more... )

    I've decided that for this English project, my topic is going to be cryptology! Cryptology, or cryptography,  is the the science or study of the techniques of secret writing, most especially in  code and cipher systems.

The use of codes and hidden methods of communication dates back through time. Before the modern era, cryptography was ( Read more... )