A) Decrypt the following message with Transposition cipher to be understandable using the follo information:- 1) Key(5,2,4,1,3) 2) Cipher text (5 columns and 6 rows ) Jaalln eumtpt elpoee Pscaal Yreifs your answer should reveal the plain text and the possible number of keys ( B) Show how we can make the transposltion cipher further hard to break. Support your answer with completely nlaw stronger cipher text for the given message.

Q: Consider the plaintext PLAINCIPHERTEST, arrange it to 3*5 matrix and rearrange R1 to R3, R2 to R3,…

A: Given plain text is, PLAINCIPHERTEST Arranged in 3*5 matrix Then rearrange R1 to R3, R2 to R3, C1 to…

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

A: Here given three different question  so we solve one by one: we also assume  something.…

Q: Q4: Based on Hill cipher algorithm, if the decryption key is -2 22 -5 17 -11 10 1 -12 In the case…

A: Here i explain about hill cipher encryption:…

Q: Q: Encrypt the plaintext “CYBER INTELLIGENCE" by using the following ciphers. [f] Vigenere Cipher…

A: TASK: To encrypt the following text: "CYBER INTELLIGENCE" using: 1. Vigenere cipher 2. Playfair…

Q: a. Mention the drawback of Mono alphabetic cipher. o. Which Cipher is used to resolve the issue with…

A: The major impediment is that by substituting more than one character of ciphertext for each…

Q: What precisely is the difference between stream ciphers and block ciphers? Stream ciphers and block…

A: The family of symmetric vital ciphers includes block cyphers and stream cyphers, fundamental…

Q: (a) Using Vigenère Cipher, decrypt the given cipher text “PNDSRX DLSCWXT" and find its plaintext.…

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

Q: * Please answer the following Transposition Cipher questions correctly: 1. Encode the message…

A: A Transposition Cipher is a classical encryption method used in cybersecurity, involving the…

Q: AUGRRXULTRFUQGBNULYTAGPONPBVPBSUMOFFYVYGLYGT MCOICEESXFPBUHKCYUIDKRGJEOHDXNHQPBMYBEHYYUNL 2) The…

A: Given: The following was encrypted using the Hill Cipher with a 2 x 2 matrix as the key. Determine…

Q: The ciphertext message below was encrypted using affine transformation C = P + k(mod 26),0 ≤ CS 25.…

A: Below I have provided the handwritten solution of the given question:

Q: 3.- Decrypt the following message encrypted by vigenere cipher "NLAZEIIBLJJI" , Key= "L UCK"

A:

Q: Q4) Design a Knapsack public key cryptosystem, then encrypt the plaintext "ABC" using this system.…

A: Public-key cryptography needs two keys. One key tells you how to encrypt (or code) a message and…

Q: Decrypt the word "ckpby" by using mono alphabetic Cipher. Follow the mapping rule used in the…

A: Given: encrypted word ekpby. Key : KEYWORDABCFGHIJLMNPQSTUVXZ

Q: Q4: Based on Hill cipher algorithm, if the decryption key is 15 3 -5 12 -7 11 20 -1 In the case that…

A: Hill cipher algorithm is an encryption algorithm to add more complexity and reliability to a data…

Q: "The RSA Algorithm" as a model, apply the RSA algorithm using the following values: p = 3, q = 11, e…

A:

Q: Q4: Based on Hill cipher algorithm, if the decryption key is -2 2 -5 17-11 11 1 13-12 In the case…

A: // C++ code to implement Hill Cipher#include <iostream>using namespace std; // Following…

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

A: ANSWER: Rail Fence Cipher: Rail fence cipher is  works through creating message on substitute lines…

Q: Determine the decoding function and find the plaintext message.

A: This is very simple. Follow the steps to solve the problem. The solution image is shared in step 2.…

Q: 1. Security.

A: Given: encrypted word ekpby. Key : KEYWORDABCFGHIJLMNPQSTUVXZ

Q: Decrypt the affine cipher with ciphertext 'LBBKL BJMKB OLTQW TXIKT WKIBJ AABN'

A: Given ciphertext is: LBBKL BJMKB OLTQW TXIKT WKIBJ AABN Affine cipher is a type of monolithic…

Q: a. Mention the drawback of Mono alphabetic cipher. b. Which Cipher is used to resolve the issue with…

A: Drawback of Mono Alphabetic Cipher:   A mono-alphabetic substitution cipher provides a very (too)…

Q: 2. Lets choose two primes: p-11 and q=13 .Apply key generation process and find the encryption and…

A: To do encryption and decryption.

Q: Part 3. Crypto Problem: Use your program to help solve these ciphers: 3a. Solve the following…

A: To solve the given monoalphabetic cipher, we can start by looking for patterns in the ciphertext.…

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: Design your own stream cipher to encrypt the message X.

A: Explain own stream cipher text encrypt message

Q: 6. Decrypt the message EABW EFRO ATMR ASIN which is the ciphertext pro- duced by encrypting a…

A: The given message "EABW EFRO ATMR ASIN" was encrypted using a transposition cipher with blocks of…

Q: Rivest Cipher 4 (RC4) has been extensively used for confidential communications for many years. RC4…

A: Option (b) is Correct choice  Reasion: Stream Ciphers work on a stream of information byte by byte.…

Q: Practice using multiplicative ciphers to encode and decode a message:   1. Find quote that you…

A: Ans:) Multiplicative ciphers are used to encrypt and decrypt the messages by using the alphabets and…

Q: Encrypt this plaintext with the Caesar/Rail Fence Cipher

A: the encrypted message:(5,12,3,7,9,6,4,14,1,13,10,8,15,2,11,16)  explanation:  Suppose your plaintext…

Q: - The ciphertext HAGO UM MHE UFUOM!

A: Answer: I have given answer in handwritten format. 6.answer:

Q: If a message contains two identical 64-bit blocks, the corresponding ciphertext blocks are also…

A: CBC (Cipher Block Chaining) is a mode of operation for block ciphers that enhances the security and…

Q: Question 9: Using public key cryptography, X adds a digital signature ø to message M, encrypts , and…

A: The question has been answered in step2

Q: Dexter wants to set up his own public keys. He chooses p = 23 and q = 37 with e = 7. Answer the…

A: We must first determine the values of n, phi(n), and d in order to solve this problem with the RSA…

Q: Encrypt this Rail Fence/Caesar Cipher. Imagine that the plaintext has already went through 1 round…

A: encrypted message:(5,12,3,7,9,6,4,14,1,13,10,8,15,2,11,16)  explanation:  Suppose your plaintext 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: Suppose you intercepted the following encrypted message: 20 5 21 3 49 4 49 3 4 15 You also know the…

A: Given encrypted message: 20 5 21 3 49 4 49 3 4 15 encryption key is d=7 n=55 Assume that letters 'A'…

Q: Decrypt the message MAXLJGTEAX which was encrypted using the affine cipher:

A: The answer is

Q: 2. Cryptanalyze the given ciphertext which was obtained via the Vigenere cipher. Determine the…

A: I am providing the code of Vigenere Cipher for your reference, so you can put in it encrypted text…

Q: In RSA: 1. Given n = 221 and e = 5, find d.

A: As per our guidelines we are supposed to answer only one question.Kindly repost other questions as a…

Q: 2. Encrypt the word SHIELD using an alphabetic Caesar shift cipher that starts with a shift of 8 (A…

A:

Q: Studied streamciphers. and block ciphers in Cryptography we tend to conjointly mentioned some…

A: THE ANSWER IS

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

A: The Playfair cipher is a written code or symmetric encryption technique that was the first…

Q: It is very handy and practical to use the digital signature scheme that is shown in the scenario…

A: Below are the two weaknesses  of digital signature that can be solved using the MAC scheme: *The…

Q: "The RSA Algorithm" as a model, apply the RSA algorithm using the following values: p = 3, q = 11, e…

A: In this question we have to apply the RSA Algorithm with the given prime numbers and public key.…