Write a program in C to decrypt a cipher text using Caesar Cipher substitution method without a key and inputting a key
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- Write a C++ program to produce the first 90 Fibonacci numbers. A Fibonacci number is one that I is the product of the prior two generated numbers. The sequence is seeded with the values of O and 1, so that the sequence starts off as 0 1123. Fibonacci numbers are used in computing hash table locations for file management systems.C++ Create a program that can encrypt and decrypt a text message using a transposition encryption scheme. Demonstrate it works by encrypting/decrypting several messages showing the original plaintext, the encrypted cyphertext, and the decrypted plain text.Write a program using c++, to encrypt and (then decrypt) using Playfair cipher. The program should prompt the user to input a key word to generate the Key Grid. In addition, the user must input plaintext (ciphertext) and the program should display the corresponding cipher text (plaintext). And describe the algorithm.
- Please solve using C++ program step by step code and a screenshot for the output of the program 3. Something went horribly wrong with the encrypted document backup process at the college and all files were converted to strings containing 1’s and 0’s representing the binary representation of the file. Write a program to restore all the files. All the original files were in 16-bit Unicode. Input from a text file containing a long string of 1’s and 0’s whose length is guaranteed to be a multiple of 16. Output to the screen the original file contents. Let the user input the file name from the keyboard. Refer to the sample output below. Sample File: 0010101000000000000101100000000010010110000000001100111000000000000001000000000010010 1100000000011001110000000000000010000000000001011100000000000010110000000001010011000 0000000000010000000000111101100000000001001110000000001001011000000000111001100000000 0100101100000000001110110000000001000011000000000001101100000000000000100000000000110…/* Write a high-security code in C that takes a name from STDIN (no more than 32 characters) and prints out a hello message. Input: Ahmed Output: Hello, Ahmed! */Write a C program that generates a social security code from a user's entered social security number: It adds all the digits of the Social Security Number using a recursive function and then shows the square number of the sum using a normal function. The displayed access code should be initialized as an integer number, but it is shown as a floating number by form casting.
- Write a C program that creates a security access code from a social security number entered by a user as follows: Using a recursive function it adds all of the digits of the social security number and then using a regular function gets the square number of the sum and displays it. The access code displayed should be initialized as an integer number but using type casting is displayed as a floating number.Q2: Write C++ program to inverse an integer number. For example: 765432 → 2345675. Given the following table. Write a C program to implement Mono-alphabetic cipher for encrypting and decrypting a given text. CIPHER ALPHABET A = B H = A O = 0 V = L %D B = V = D Y G J Q F = U %3D D Q K J Y E K X Z = R M S G = N N = E U = T Page 2 of 3 P. II II II P. N w/ II II II
- matlab Write a program in a script file that determines the real roots of a quadratic equation ax²+bx+c = 0. 32Write a C program write a key and text as integer Each digit (2 or 3) in the key sould piece by digit of the text. For example,key is 233 and text is 1465789584. Your program should show as below 2 3 2 14 657 895 84 Note:Key and text must define as intWrite a C++ program in which, read a character and an integer key from user. Now encrypt the character using given key.