A message written in a secret code. In cryptography, a cipher is an algorithm for performing encryption and decryption - a series of well-defined steps that can be followed as a procedure.
Source: whatis.com
URL: http://searchsecurity.techtarget.com/sDefinition/0,,sid14_gci213593,00.html
Source: whatis.com
URL: http://searchsecurity.techtarget.com/sDefinition/0,,sid14_gci213593,00.html
