Question

____________ is a mono-alphabetic encryption code wherein each & every letter of plain-text is replaced by another letter in creating the cipher-text.

(a) Polyalphabetic Cipher

(b) Caesar Cipher

(c) Playfair Cipher

(d) Monoalphabetic Cipher

I had been asked this question during an interview.

Asked question is from Cryptography topic in division Cryptography in Security of Cyber Security

Answer 1

Right option is (b) Caesar Cipher

Best explanation: Caesar Cipher is the simplest type of substitution cipher with a mono-alphabetic encryption code wherein each letter of plain-text is replaced by another letter in creating the cipher-text.