Use a cyclical alphabetic encrypting code that shifts the letters the stated number of positions to decode the encrypted message. 16 positions: VHYUDT YD DUUT
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- Alice and Bob are two fugitives from justice. Alice sent Bob an encrypted message to inform him about her following secret meeting location. As a cryptanalyst, it is your mission to help the police in decoding the message that contains the room number and the hotel name. Alice’s SECRET MESSAGE IS: 7F7F Norzut jkgjykg Use Cryptool to decrypt the secret message using Caesar cipher. Assume the following: 1. The value of the first alphabet is zero 2. Alphabet set includes: numerals, uppercase, and lowercase letters of the English language 3. Try keys from 0-10 until you find the correct key. a. What is the secret message? b. What key did you use to decrypt it c. How many possible substitutions exist in this exercise (exclude the space)?E x e r c i s e • 1 : Apply frequency test to verify the randomness of the output of the following text: 1. The following plaintext: In cryptography, a transposition cipher (also known as a permutation cipher) is a method of encryption which scrambles the positions of characters (transposition) without changing the characters themselves. Transposition ciphers reorder units of plaintext (typically characters or groups of characters) according to a regular system to produce a ciphertext which is a permutation of the plaintext. They differ from substitution ciphers, which do not change the position of units of plaintext but instead change the units themselves. Despite the difference between transposition and substitution operations, they are often combined, as in historical ciphers like the ADFGVX cipher or complex high-quality encryption methods like the modern Advanced Encryption Standard (AES). laintexts can be rearranged into a ciphertext using a key, scrambling the order of…Binary numerals are used to assign each item in a store's inventory a distinct binary sequence. What is the minimum number of bits required for each binary sequence if the store has between 75 and 100 items in stock?
- Using ROT13, the character 'C' will be encrypted as O a. R O b. Q O c. P O d. OThe characters bellow have the set of frequencies as follows: a : 15, c : 2, d : 3, o : 11, n : 13, r : 7, v: 4.A Huffman code is used to represent the characters. Decode the code “1111000110000110” byHuffman code.An ISBN-10 (International Standard Book Number) consists of 10 digits: d1d2d3d4d5d6d7d8d9d10. The last digit, d10, is a checksum, which is calculated from the other 9 digits using the following formula: (d1 x 1 + d2 x 2 + d3 x 3 + d4 x 4 + d5 x 5 + d6 x 6 + d7 x 7 + d8 x 8 + d9 x 9),11 If the checksum is 10, the last digit is denoted as X according to the ISBN-10 convention. Write a program that prompts the user to enter the first 9 digits and displays the 10-digit ISBN (including leading zeros). Your program should read the input as an integer. Here are sample runs:
- shift cipher(ceaser cipher) Write a program in assembly language (8086): 1-promot the user to enter (E) to encrypt or (D) any other character respond (that is an illegal character please try again). 2-promot the user enter encryption key single digit(1-9), store it in x3101, and use it for enc and dec. 3-promot the user to enter a message no more than 20 character, the program will store the message starting location x3102(use int 21) for each key read. Your program should output the ecrypted or dectrypted message to the screen.encryption/decryption alghrothim stored the message to be output starting in the location. The output should be colored with highlights on the result. The program should generate errors such as overflow,underflow,out-of-order,wrng choice,div-by-zeroAn ISBN-10 (International Standard Book Number)consists of 10 digits: d1d2d3d4d5d6d7d8d9d10. The last digit, d10, is a checksum,which is calculated from the other 9 digits using the following formula:(d1 x 1 + d2 x 2 + d3 x 3 + d4 x 4 + d5 x 5 +d6 x 6 + d7 x 7 + d8 x 8 + d9 x 9),11If the checksum is 10, the last digit is denoted as X according to the ISBN-10convention. Write a program that prompts the user to enter the first 9 digits anddisplays the 10-digit ISBN (including leading zeros). Your program should readthe input as an integer. Here are sample runs: Enter the first 9 digits of an ISBN as integer: 013601267 ↵EnterThe ISBN-10 number is 0136012671Use the following prefix code: a = 1010, t = 11, e = 0, s = 1011, n = 1001, i = 10001 to decode the string 11010011001100011011 into an english word. Enter your answer with no spaces between the letters.
- Problem: Assume that you have been hired at Oman Investment and Finance Co. SAOG (OIFC) to write a java program that prints a summary of customers' bills for water and electricity. Each bill has type, account number, consumption amount (kilowatt/gallon) and the month of the bill. Each bill charges an amount of 16.78 OMR as supply service charges. Electricity bill is either industrial or residential. The electricity total energy charge is computed based on the type of the usage. For industrial each kilowatt consumed costs 12 Baisa while for residential it costs 10 Baisa per kilowatt consumed. The total amount is the sum of the energy charges plus the bill charges. Water bill applies different rates based on the water consumption where the first 5000 gallons cost 2 Baisa per gallon and any gallon more than 5000 costs 2.5 Baisa. Water bill also includes sewage charges which is one third the water charges. The total amount is the sum of the water charges, sewage charges and the bill…Suppose the following algorithm is used to encrypt a password A three-digit decimal number is input as the password Your Student ID last two-digit are added to this password Then it is converted to a binary number Then it is converted to 1's complement representation And lastly, it is converted to a Hexadecimal number Finally, this number is printed on the screen. What will be output if you input “786” in step 1 as a three-digit decimal number in the above algorithm? My student id is : 12903In ASCII code, if you know that the capital letter E is equivalent to 01000101. The binary equivalent of the small letter e is: Oa. 10101010 O b. 01100110 Oc. 01100101 O d. 01110111