I am writing a Java program that is a Caesar cipher. I need to use two parallel arrays. A plain text array and a shifted cipher array. This is an example of the output I am looking for:
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I am writing a Java program that is a Caesar cipher. I need to use two parallel arrays. A plain text array and a shifted cipher array.
This is an example of the output I am looking for:
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- Encrypt The following correspondence between letters and numbers is used in the Caesar cypher. a b c d f h i j k lm n t V W e g 6. u y 0 1 2 3 4 7 8. 9. 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Encrypt the animal name zebra with the Caesar cypher with a key of 3. What is the encrypted animal name (enter a string of letters with no spaces)? Decrypt An animal name was encrypted with the scheme described in the previous question (it was encoded with the key 3). The encrypted animal name is pduprw .What is the animal name?Ex/ if the following message “paperx” is encrypted by using Hill cipher and converted into ciphertext "EJGPNH" what is the key matrix if you know that the key is (2*2) ?You may use a software to do calculations but you have to write down the details. The correspondence of letters table: A 01 B C D E F GH I J K L M 02 03 04 05 06 07 08 09 10 11 12 13 TU V W X Y N O P Q R 14 15 16 17 18 Z space S 19 20 21 22 23 24 25 26 00 4. Decipher the message "NUMBER", which was enciphered using the blocked cipher that sends the plaintext block (x₁, x2) into the ciphertext block (y₁, y2) with 2 (22) = (₂¹9) (2) mod 27.
- Q7: Using the same notations as in the lecture, e.g., p and q are the two primes and e and d are the public key and private key, respectively, p = 5, q = 13 and e= 5. Using the phi(n) that you found in question 6 and the Extended Euclidean algorithm yields d = 29. What is the cipher text C when encrypting M = 17?Using C++ Comments are very helpful If header files are added please provide them The Caesar cipher is one of the earliest known and simplest ciphers. It is a type of substitution cipher in which each letter in the plaintext is 'shifted' a certain number of places down the alphabet. 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 U V W X Y Z A B C D E F G H I J K L M N O P Q R S T H E L L O W O R L D Normal Text B Y F F I Q I R M X Encrypted Text You are tasked to create an encryption program which takes a key word. The keyword will fill the first part of the shifted array. The remaining letters will fill the end of the array. It should look like this: Key=”TOY 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 T O Y A B C D E F G H I J K L M N P Q R S U V W X Z You should have an interactive menu with the following options: 1…Toy encryption scheme. It encrypts plaintexts that consist of only uppercase letters and the underscore character (27 characters total): ABCDEFGHIJKLMNOPQRSTUVWXYZ_ Note that the underscore character is part of the alphabet and will also be encrypted. A key in this scheme consists of 4 digits, each from 0 to 9. Each digit tells how much to shift one character, that is, change it to the character that many positions later in the alphabet. If the shift goes past '_', then we wrap around to the beginning. The key is applied separately to each group of 4 letters in the message. For example, if the message HI_SALLY is encrypted with the key 2407, the H would be shifted by 2, the I by 4, the underscore by 0, and the S by 7. Then we would start over with the first digit of the key, shifting A by 2, L by 4, and so on. So the ciphertext would be: JM_ZCPLE. Give the encryption of the following messages with the key 2641. a. SELL_GME b. FRANZ_IS_MOLE c. DEPLOY_ALL_DIVISIONS
- 1- A simple encryption method is being used to encrypt a small number (called the secret number). The method by which this encryption works is as follows: I. Choose a random seed number II. Calculate the key by multiplying the seed with the secret under modulus 7 III. Finally, multiply the key with the secret to get the encrypted secretProgram Specifications: Your task is to write a program that can decrypt a message that has been encoded using a Caesarcipher. Stated another way, you need to find the “shift” for the cipher. Once you have the shift,you know the mapping so you can decrypt the message. the encryption code. use python. def encrypt(text, r): #abcdefghijklmnopqrstuvwxyzresult = ''for i in range(len(text)): # Hello Khoorchar = text[i]if char.isupper():result = result + chr((ord(char) + r - 65 ) % 26 + 65)else:result = result + chr((ord(char) + r - 97) % 26 + 97)return result while True:msg = input("\n\tEnter a String / message e.g. Today is Thursday ")rotation = int(input("\n\tEnter number of rotation e.g. 3 "))print("\n\tOriginal Message is==> ",msg," with rotation ",rotation, " The CypherText ", encrypt(msg,rotation)) No hand written and fast answer with explanationA Caesar cipher is a simple substitution cipher based on the idea of shiftingeach letter of the plaintext message a fixed number (called the key) ofpositions in the alphabet. For example, if the key value is 2, the word"Sourpuss" would be encoded as "Uqwtrwuu." The original message canbe recovered by "reencoding" it using the negative of the key.Write a program that can encode and decode Caesar ciphers. The input to the program will be a string of plaintext and the value of the key.The output will be an encoded message where each character in the original message is replaced by shifting it key characters in the Unicode character set. For example, if ch is a character in the string and key is theamount to shift, then the character that replaces ch can be calculated as:chr (ord(ch) + key) .
- Encrypt Caesar cipher is a kind of substitution cipher. Instead of using a substitution table, the alphabets are rotated by a number (a key). For example, if the key is 3, plaintext alphabet a would become d, and plaintext alphabet z would become c. Write a program that implements the Caesar Cipher. You program will first prompt for the key and then for the mode (E for encryption and D for decryption) and finally for the message to be encrypted / decrypted. Your program will then output the encryption / decryption message. For this question, the input message may consists of any character, the program should encrypt or small letter case a to z only. All other characters should be kept intact after encryption or decryption.Example 2 Enter message to be encrypted: Dèyè mòn, gen mòn. Enter step size: -1 ORIGINAL MESSAGE Dèyè mòn, gen mòn. ENCRYPTED MESSAGE Cçxç lim, fdm lim. Enter message to be encrypted: Dèyè mòn, gen mòn. Enter step size: 0 ORIGINAL MESSAGE Dèyè mòn, gen mòn. ENCRYPTED MESSAGE Dèyè mòn, gen mòn. Enter message to be encrypted: QUIT Example 3 Enter message to be encrypted: Perfer et obdura, dolor hic tib: proderit olim. Enter step size: 8 ORIGINAL MESSAGE Perfer et obdura, dolor hic tibi proderit olim. ENCRYPTED MESSAGE Xmznmz m| wjl)zi, lwtwz pąk |qją xzwlmzą| wtqu. Enter message to be encrypted: QUITLet M be the plaintext message M = MALAYSIA and the private key, K || ISSOGOOD a) Represent your plaintext binary number as a form of a block, using the DES encryption technique (2 equal blocks). b) Using the initial permutation (table is provided below), please provide your plaintext output. Initial Permutation Initial Permutation 58 50 42 34 26 18 10 02 60 52 44 36 28 20 12 04 62 54 46 38 30 22 14 06 64 56 48 40 32 24 16 08 57 49 41 33 25 17 09 01 59 51 43 35 27 19 11 03 61 53 45 37 29 21 13 05 63 55 47 39 31 23 15 07