Question

Autokey cipher is also known as?

(a) vigenere cipher

(b) autoclave cipher

(c) auto key cipher

(d) auto cipher

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

Question is taken from Cryptography in section Cryptography of Data Structures & Algorithms II

Answer 1

Correct answer is (b) autoclave cipher

The best I can explain: Autoclave cipher is an alternative name given to autokey cipher. It is because the encrypted text is formed using a key that is generated from a message(plain text) itself.