Question

Conventional cryptography is also known as _____________ or symmetric-key encryption.

(a) secret-key

(b) public key

(c) protected key

(d) primary key

The question was posed to me during an interview for a job.

Question is from Types of Cryptography topic in section Cryptography in Security of Cyber Security

Answer 1

Correct choice is (a) secret-key

The explanation: The various cryptographic techniques are symmetric Key cryptography, public key cryptography, and Hash functions based cryptography. Conventional cryptography is also known as secret-key cryptography or symmetric-key encryption.