Cryptography is the practice and study of hiding information. In modern times, cryptography is considered a branch of both mathematics and computer science, and is affiliated closely with information theory, computer security, and engineering. Cryptography is used in applications present in technologically advanced societies; examples include the security of ATM cards, computer passwords, and electronic commerce, which all depend on cryptography.
Source: Wikipedia
URL: http://en.wikipedia.org/wiki/Cryptography
Source: Wikipedia
URL: http://en.wikipedia.org/wiki/Cryptography
