Question

_____________________ is the art & science of cracking the cipher-text without knowing the key.

(a) Cracking

(b) Cryptanalysis

(c) Cryptography

(d) Crypto-hacking

I got this question in unit test.

Origin of the question is Types of Cryptography in division Cryptography in Security of Cyber Security

Answer 1

The correct answer is (b) Cryptanalysis

Best explanation: Cryptanalysis is the art & science of cracking the cipher-text without knowing the key. This technique is also implemented for designing new cryptographic algorithms or to test their strengths.