How many keys are utilized in symmetric cryptography? A. OneB. TwoC. ThreeD. Four

A. One

Explanation:

Symmetric key cryptography makes use of one key. The same key is used for both encryption and decryption. This is different from asymmetric cryptography where separate keys are used for the two operations. Some examples of symmetric cryptography include:

Advanced Encryption Standard (AES) Data Encryption Standard (DES) Triple Data Encryption Standard (3DES) Blowfish