HOMEWORK_1 - Message (Plaintext): Come to my office...

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HOMEWORK 1 Deadline : 25.07.2011 at 23:59 (submit via e-mail to; ersun.iscioglu@yahoo.com ) 1. Using Polybius Square below; 3 5 9 1 7 4 U Y F P D 7 X T M C S 8 N A V E G 1 Q H R O Z 2 I/J K B W L a) Encrypt ; “where is your pen” b) Decrypt ; “7237981157717431171452” 2. Encrypt the message below using Ceasar Cipher (Rot-4). Message (Plaintext) : Come to my office today Ciphertext : ?????????? 3. Decrypt the message below using the Ceasar Cipher (Rot-4) Message (Ciphertext): tebob fp jv dixppbp Plaintext : ?????????? 4. Encrypt the message below using Ceasar Cipher (Rot-14).
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Unformatted text preview: Message (Plaintext): Come to my office Ciphertext : ?????????? 5. Encrypt the message below using Ceasar Cipher (Rot-14). Message (Plaintext): ozwjw ak eq ydskkwk Ciphertext : ?????????? 6. Construct a Playfair matrix with the key “ speciality ” and encrypt the word “ distances ”. 7. Construct a Playfair matrix with the key “ chandelier ” and encrypt the word “ summer ”. 8. Construct a Playfair matrix with the key “ chaotically ” and encrypt the word “ good show ”....
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HOMEWORK_1 - Message (Plaintext): Come to my office...

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