Encrypt the message DEFEND using the RSA system with n = 43*59 and e = 13.  First translate each letter into an integer and group together pairs of integers, so you have three 4-digit numbers (padding 0’s in the front if necessary).  Work with each of these numbers to encrypt them.  The ciphertext should also be three 4-digit numbers.

Q: Given is the following string of ciphertext which was encrypted with substitution cipher. asvphgyt…

A: Answer : WORLDCUP here cipher text is asvphgyt; the encryption rule is C=(M+k)Mod 26 here the 1st…

Q: You are to encrypt a ciphertext using the permutation p : {0,1}4 → {0,1}4 defined as p(x) = ~x, ie,…

A: Since you have posted a question with multiple sub-parts, according to the company's policy we will…

Q: Use a cyclical alphabetic encrypting code that shifts the letters the stated number of positions to…

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Q: You have an originating plain text message (in hexadecimal): 41 72 61 62 Use your Student ID number…

A: 41726162 student id key =665  We take a  10-bit key and generate two 8-bit keys which will be used…

Q: You receive a message that was encrypted using the RSA system with public key (43, 143), where 43 is…

A: It's a question from cryptography in computer engineering. let's discuss it in the next section of…

Q: The message "KRUDEYZMSYIOEAAUONYRYEEFJVDZ" was encoded using a transposition cipher with column…

A: Transposition Cipher - Method of encryption of plain text where plain text systematiccaly arranged…

Q: encrypt the message NEED HELP by translating the letters into numbers, applying the encryption…

A: Given message - NEED HELP    Starting, encryption from A=0, B=1, C=2, ….. etc.

Q: Encrypt The following correspondence between letters and numbers is used in the Caesar cypher. a b e…

A: Encrypted cipher for zebra with key=25 is: ydaqz Explanation: z shifted 25 forward = y e shifted 25…

Q: Using the values D=17 and m=21, decrypt the following message

A: Decryption is a method to decode the encrypted message called ciphertext.   Here the message uses…

Q: One of the one-way functions used in public key cryptography is integer…

A: In the realm of encryption, prime factorization is important, particularly when it comes to public…

Q: Generate a public/private key pair for the RSA cryptosystem. Do this by creating: 1. A 100-bit prime…

A: As per our Guidelines we are supposed to answer first question only.Kindly repost another question…

Q: p and q are two prime numbers. p=3 and q=11. take public key e=3. if original message is…

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Q: Given p = 47041 and q = 50359. What is N and the totient(N)? Choose a valid e. How do you know it's…

A: p = 47041, which is prime q = 50359, which is prime N = p * q     = 47041 * 50359     = 2368937719…

Q: of numbers represents a coded message.  Each letter (based on the position in the alphabet), a space…

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Q: (1) Find a quote that you like. Make sure that the total number of characters is at least 50 and no…

A: GHIHQG WJH HDVW ZDOO RI WKH FDVWOH Julius Caesar (100 BC - 44BC) could have sent this message!…

Q: Encrypt the message " MATH " by translating the letters into numbers and then applying the…

A: here we have given solution all the three functions and given the encrypted form of it.

Q: You have an originating plain text message (in hexadecimal): 41 72 61 62 Use your Student ID number…

A: Student ID number to obtain a 10-bit key as follows: Key (in decimal) = 666 using S-DES for…

Q: Use the RSA cipher with public key n = 713 = 23 · 31 and  e = 43.  Encode the word "HERO" into its…

A: Please find the answer to the above question below:

Q: Encrypt the message "HALT" by translating the letters into numbers (via A = 0, B = 1, C = 2, D = 3,…

A: HALT =>  7 0 11 19 a) (p+5) mod 26 (7+5) mod 26 => 12 => M (0+5) mod 26 => 5 => F…

Q: Use the encryption congruence C = (3P + 7) mode 26 to encode the message EASY

A: Given C=(3p+7) mod 26 Given message EASY A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1…

Q: I just received an encoded message using the RSA encryption scheme, and I need help to decode it.…

A: Here the public number (p) =391 The second public number let us say (q) =47 Calculate the product…

Q: In RSA, given e = 13 and n = 100 a. encrypt the message “HOW ARE YOU” using 00 to 25 for letters A…

A: Answer is given below-

Q: Given the key, p= 5, q = 7, e = 11, and d = 35, and using the given values below, encrypt the…

A: Answer: Encrypted text= 31

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: Implement the one-time pad encryption scheme in Microsoft Excel. Your worksheet should look as…

A: The one-time pad encryption scheme is a method of encrypting and decrypting messages that provide…

Q: Despite concerns that its phones may be tapped, a corporation wants to send data over the phone. It…

A: Read a four-digit number from the user. For each digit in the number, do the following: Convert the…

Q: Encrypt the message " HALT " by translating the letters into numbers (via…

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Q: One of the one-way functions used in public key cryptography is integer…

A: given the product 1765243

Q: def8hijk mno|p9 stuv wxy z a bc a bcd e fghijkIm nopa|rstuv wxyz Keep the encryption in the Python…

A: In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code or…

Q: Do not use any “secret helper” that will “magically” decrypt the message for you. If you get really…

A: Step 1 -  Quote - "Happiness depends upon ourselves" - Aristotle Step 2 - Additive Key = 17 (say)…

Q: Encrypt the first 4 letters of your last name as a block of data to be encrypted. (Let A=1, B=2,…

A: There are various techniques used to encrypt & decrypt the text. For the above given question, I…

Q: ncrypt the 12-bit plaintext 101010100111 using Simplified B-DES and the 9-bit key K = 010001111.

A: Given 12 bit plain text : 101010100111 key : 010001111

Q: Encrypt the message WATCH YOUR STEP by translating the letters into numbers, applying the encryption…

A: First we have to assign a number to each letter: A=0; B=1; C=2 ;D=3; E=4; F=5; G=6; H=7;…

Q: You are given the following parameters in RSA cryptosystem: p = 11, q = 13, e = 13         a) Find…

A: Answer is given below .

Q: The Atbash cipher is a type of monoalphabetic cipher formed by taking the alphabet and mapping it to…

A: This question comes from Cryptography which is a paper of Computer Science. Let's discuss it in the…

Q: 2. Create your own encrypted message using a standard transposition code. Show the work below, and…

A: GIVEN: create your own encrypted message using a standard transposition code. Show the work below…

Q: Encrypt the word WEST using p=53 and q=71. Choose e=3. (Map A - Z to 126 and perform the encryption…

A: The problem is an example of how to encrypt a word using the RSA algorithm, a commonly used…