WHICH TYPE OF CRYPTOGRAPHY USES A SINGLE KEY FOR BOTH ENCRYPTION AND DECRYPTION

NIELIT O Level Exam

Which type of cryptography uses a single key for both encryption and decryption?

किस प्रकार की क्रिप्टोग्राफी एन्क्रिप्शन और डिक्रिप्शन दोनों के लिए एक ही कुंजी का उपयोग करती है?

A. Symmetric cryptography

B. Asymmetric cryptography

C. Hash cryptography

D. Quantum cryptography

Correct Answer is :

A. Symmetric cryptography

Explanation

Symmetric cryptography, also known as secret-key cryptography, uses a single secret key for both encryption and decryption processes, making it faster and more efficient for large volumes of data.