The Acronym DES stands for

Cryptography, a word with Greek origins, means

Cryptography can provide

WTLS stands for?

Which one is the Heart of Data Encryption Standard

A mechanism used to encrypt and decrypt data

____ encryption is also called symmetric key encryption.

The concept of two keys, public and private, is called ____ cryptography.

Bit stream methods commonly use algorithm functions like the exclusive or operation (__________).

Symmetric-key cryptography is mainly used in our network security

There is no secret key in case of _______