Question

Data Encryption Standard is an example of a _____________ cryptosystem.

(a) conventional

(b) public key

(c) hash key

(d) asymmetric-key

The question was asked in exam.

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

Answer 1

Right choice is (a) conventional

The explanation: Conventional cryptography is also known as secret-key cryptography or symmetric-key encryption. Data Encryption Standard is an example of a conventional cryptosystem.