Using your index number $(411219341)$as the keyword in the application of Playfair cipher, perform an encryption of the following plaintext $-$ THIS SEMEESTER IS A A VERY WONDERFUL SEMESTER INDEED AND IIT HAS ENDED VERY WELL.

Describe the functions of the various components found in the general model for securing a network

Using the RSA algorithm, perform an encryption and decryption calculation of a

Message $M=32$ using prime numbers $p=5$ and $q=11$

Message $M=25$ using prime numbers $p=11$ and $q=7$

Message $M=30$ using prime numbers $p=13$ and $q=7$

Perform a polyalphabetic $($Veginere$)$ encryption on the plaintext "MEEET ME RIGHT AFTER THIS EXAAM FOR A PARTY" using your surname as the keyword

With the plaintext "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG EVERY TIME SINCE THE DOG IS SO LAZY AND DOESN'T WANT TO

STRETCH OUT", perform a triple transpose column matrix encryption using the key $K=256413.$