On Encrypting “thepepsiisintherefrigerator” using Vignere Cipher System using the keyword “HUMOR” we get cipher text-
(a) abqdnwewuwjphfvrrtrfznsdokvl
(b) abqdvmwuwjphfvvyyrfznydokvl
(c) tbqyrvmwuwjphfvvyyrfznydokvl
(d) baiuvmwuwjphfoeiyrfznydokvl
The question was posed to me in class test.
My doubt is from Substitution and Transposition Techniques topic in portion Classical Encryption Techniques of Cryptograph & Network Security