Using the affine cipher, encrypt the string “TABLE” using the keys a = 3 and b = 2. Given the definition below: E(x) = a.x + b (mod 26) D(y) = a-1 .(x-b)(mod 26)
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- Using the affine cipher, encrypt the string “TABLE” using the keys a = 3 and b = 2. Given the definition below:
E(x) = a.x + b (mod 26)
D(y) = a-1 .(x-b)(mod 26)
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- Perform the Encryption using the Hill Cipher where the Plain text: "POH" and the key is: "GYBNQKURP".Suppose that when a long string of text is encrypted using a Vigen`ere cipher, the same string is found in the ciphertext starting at several different positions. Explain how this information can be used to help determine the length of the key.Encrypt the plaintext “CAT” using the following RSA model if A uses P = 11 and Q = 19 whereas B uses P = 13 and Q = 17. Then Decrypt the cipher to get back the plaintext.
- Briefly describe the RSA cipher. If the prime numbers e, p, and q are 17, 7, and 11, respectively, in the RSA technique, derive the public and private keys.Perform the Encryption and then the Decryption for the Hill Cipher where the Plain text: "POH" and the key is: "GYBNQKURP".Using Shift Cipher with Key = 4, encrypt the plaintext CONFIDENTIALITY ISASSURED
- In Affine cipher, imagine the plain text is SUN and a=3 and b=8 are the two numbers for the key. What is the encrypted text? Please show all your calculations.Encipher the following plaintext using the Caesar cipher and key = 5: “meet me at the park”Using Columnar transposition encrypt the message “TODAY IS MIDTERM EXAM OF INTRODUCTION TO SECURITY ", using key LEMON. Write the cipher in space provided below:
- Using the affine cipher, encrypt the string “TABLE” using the keys a = 3 and b = 2. Given the definition below: E(x) = a.x + b (mod 26) D(y) = a-1 .(x-b)(mod 26) 2. You have been recently employed as part of a Network Snooping Association. You first task requires the use of a One-Time Pad to scramble a message. Given the Pad below: PAD1: 25 17 12 11 22 1 26 2 29 3 11 15 22 5 15 25 30 4 16 1Scramble the message “I_AM_ _PREGNANT._ _ _”. The result cipher text should be descrambled to get back the original message or plaintext.Encrypt the given plaintext using Caesar cipher, and write down the corresponding ciphertext in the space provided below. Plaintext: THE SEMESTER IS SHORT Note: Write the ciphertext in CAPITAL LETTERS without spaces. Just write the ciphertext in the answer field, nothing else.Use Rail fence cipher to encrypt the following plain text where key is length of your first name.Plaintext: “Always go for the quality over quantity in your life” Name: Tooba Nazir