Cryptography is a word derived from the Greek kryptos ( hidden ), and the use of cryptography pre-dates the computer age by hundreds of years. Keeping secrets has long been a concern of human beings, ...

The primary goal of cryptography is to provide two people, usually called Alice and Bob, with a way to exchange secret messages, messages where no adversary, usually called Eve, can obtain any ...

Cryptography is a method of protecting information and communications using codes, so that only those for whom the information is intended can read and process it. In computer science, cryptography ...