2. Use the rail fence cipher to encrypt the statement "meet me after the toga party" 3. Using mathematical means and a key  "OUTSIDE", find the cipher text using vigenere cipher given the plaintext to be "THESUNISSHINING". The definition for vigenere cipher is given below: P = Z26 C = Z26 K = Z26 e((x1, x2, …., xn)) = ((X1+K1) mod 26, (X2+K2) mod 26, … , (Xn+Kn) mod 26)

Q: 3. Apply Playfair cipher to encrypt the message “the key is hidden under the door pad" using…

A: The answer is...

Q: Use the Vigenère cipher to DECRYPT the following ciphertext: “OGTJQPPB” knowing that the keyword…

A: The Answer is

Q: Use the Vigenère cipher to DECRYPT the following ciphertext: "OGTJQPPB" knowing that the keyword…

A: The Answer is

Q: The following text has been encoded using the affine cipher with key "9x+3". (That is, multiplying…

A: Below is the answer with calculation:

Q: The following text has been encoded using the affine cipher with key "9x+3". (That is, multiplying…

A: The Answer is

Q: Decrypt the following ciphertext using Hill Cipher where the key is given. 2 a) Ciphertext =…

A: Given Data : Cipher Text = "vegxfl" Key = CFJZ

Q: # 4. (a) In the RSA cipher using p = 7 and q = 13, what number would you choose for e, encryption…

A:

Q: How many positive integers of 5 digits may be made from the ciphers 1,2,3,4,5 if: a) Each cipher…

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Q: Use a Caesar Cipher with digraph coding to encrypt the following plaintext: ‘buffer’ with a key of…

A: The answer is..

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Q: Using Vigenère Cipher, decrypt the given cipher text “PNDSRX DLSCWXT” and find its plaintext. The…

A: Given: ciphertext: PNDSRX DLSCWXT key: basket required: plaintext

Q: Using Vigenère Cipher, decrypt the given cipher text “PNDSRX DLSCWXT” and find its plaintext. The…

A: Given Data: Cipher Text: PNDSRX DLSCWXT Key: basket

Q: Find the decryption key for the affine cipher with n=26, a=5 and b=8. Encrypt the message with the…

A: Required:   Find the decryption key for the affine cipher with n=26, a=5 and b=8. Encrypt the…

Q: Find the decryption key for the affine cipher with n=26, a=5 and b=8. Encrypt the message with the…

A: The Answer is

Q: Encrypt the plaintext “CAT” using the following RSA model if A uses P = 11 and Q = 19 whereas B uses…

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Q: Encrypt the plaintext “CAT” using the following RSA model if A uses P = 11 and Q = 19 whereas B uses…

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Q: Using the affine cipher, encrypt the string “TABLE” using the keys a = 3 and b = 2. Given the…

A: As per our honor code, we are answering the first question.

Q: Using the affine cipher, encrypt the string “TABLE” using the keys a = 3 and b = 2. Given the…

A: Plaintext = TABLE Value of x is taken based on alphabetical order, with A = 0, B = 1, C = 2 and so…

Q: Using the affine cipher, encrypt the string “TABLE” using the keys a = 3 and b = 2. Given the…

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Q: 1. Using the ABBA key, decrypt the word PKWDLDTB, if the Playfair cipher was used. Select ciphertext…

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Q: Use the modified Caesar cipher described in the assignment instructions to encrypt the following:…

A: Below i have given answer:

Q: Suppose that the 26-letter alphabet, A,., Z, is used for the plaintext in the 2 x 2 Hill cipher.…

A: I Have answered this question in step 2.

Q: Suppose that the 26-letter alphabet, A,.., Z, is used for the plaintext in the 2 x 2 Hill cipher.…

A: Refer to step 2 for the answer,

Q: Use a Caesar Cipher with digraph coding to encrypt the following plaintext: ‘buffer’ with a key of…

A: The answer is...

Q: By using playfair cipher find key if the length of key 7 and plaintext =wh yd on ty ou , and the…

A: Plaintext-= wh yd on ty ou

Q: Use the modified Caesar cipher described in the assignment instructions to decrypt the following:…

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Q: The difference between some block cipher modes of operation, which solely employ encryption, and…

A: Introduction: To offer information security, such as secrecy or authenticity, an algorithm is used…

Q: How many pairs of cipher text and plaintext should be available to break Hill’s Cipher? Please…

A: Because the Hill cipher is linear, we only need to find 2 pair correspondences to determine the key…

Q: Using the affine cipher, encrypt the string "TABLE" using the keys a 3 and b = 2. Given the…

A: The Answer is

Q: Question 2: (18 marks) Use the Vigenère cipher to DECRYPT the following ciphertext: "OGTJQPPB"…

A:

Q: Use a Caesar Cipher with digraph coding to encrypt the following plaintext: 'buffer' with a key of…

A: Required: Use a Caesar Cipher with digraph coding to encrypt the following plaintext:'buffer' with a…

Q: The affine cypher with key "9x+3" was used to encrypt the following text. (To encode, multiply the…

A: Given form C = 9X+3 Plain text X = (C-3)/9 (mod 26)  X = (C-3)9 -1 (mod 26) ➔ utilizing…

Q: art of the problem with a cipher like this is how week it is. Without knowing the ‘key’ how can I…

A: Here below  i explain in simple terms, how to get the cipher without knowing the key:…

Q: The following text was encrypted using Affine Cipher. Find the plain-text if you know that the…

A: The affine cipher is a cipher, where each letter in an alphabet is mapped to its numeric equivalent

Q: If someone gives you 343 as the ciphertext they created using your public key, what is the plaintext…

A: RSA approach - Using RSA encryption techniquehere, p and q are prime numbersp=53    q=41 n=p*q…

Q: Use the Vigenère cipher with the keyword 'tablet' to encrypt the following sentence: "Programs".…

A: Given Data Values Use the Vigenère cipher with the keyword 'tablet' to encrypt the following…

Q: Using the modulo operator and key = 7, decrypt the cipher text "OHWWF ULD FLHY"

A: Your question is about Using the modulo operator and key = 7, decrypt the cipher text "OHWWF ULD…

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Q: Use the modified Caesar cipher described in the assignment instructions to encrypt the following:…

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Q: RTC Assignment / Using the secret key 53421, Complete the Row Transposition Cipher MATLAB code for…

A: MATLAB code is given below

Q: Please Encrypt the following text by using Scytale cipher where the Key length is 6 Palintext: This…

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A: a is encrypted as f  So, key value is f-a=5 And so let's find the original value by reducing 5 from…

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A: Data given - . x1 = 5  y1 = 41  y2 = 47  p = 53

Q: by utilization of rail -fence cipher decrypt the message "WDNTLAYOEEOTAKNMR" and you given the key…

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Q: For efficiency reasons it is often useful to keep fixed parameter values for many users of a…

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