Ceasar

Cryptography exam
Use Caesar cryptography to find out the famous persons. *
Use the key=1 to decryption this ciphertext
1. ……………………………………………..
Use the key=6 div 2 to decryption this ciphertext
2. …………………………………………..
use the frequency analysis to decrypte the ciphertext
3. …………………………………………
Use the playfair encryption to encrypte black with given key =”square”
4. ……………………………………………………………………………………………………………..
Ofmtpo nboefmb
Pdufr sror
Cndgtv gkpuvgkp