Ceasar

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