Question

1. What will be the plain text corresponding to cipher text “ABQDVMWUWJPHFVVYYRFZNYDOKVL ” if vigenere cipher is used with keyword as “HELLO”?
2. What will be the plaintext corresponding to ciphertext “PEETOIBTETACRRVNINSETRHNUE” if number of rows =2 using Rail Fence cipher
It is a computer networks problem

Answer 1

Answer:

it is all linked to cipher code and for hello=4 root dens cipher

Explanation:

Answer 2

Answer:

HELLO=4 OR CYPHER CODE

I THINK SO IT IS ANSWER

Explanation: