Tuesday, 27 March, 2018

CRYPTOGRAPHY

What is Cryptography?
Cryptography is associated with the process of converting ordinary plain text (called plaintext) into unintelligible text (called ciphertext). Decryption is the reverse, in other words, moving from the unintelligible ciphertext back to plaintext. A cipher (or cypher) is a pair of algorithms that create the encryption and the reversing decryption. The detailed operation of a cipher is controlled both by the algorithm and in each instance by a "key". It is a method of storing…