The goal is to write a program that performs both the encryption and decryption

Q: The goal is to write a program that performs both the encryption and decryption

You will have an opportunity to work with both C style strings and the string data type. This lab also gives you an opportunity to use what you have learned previously, ... aprogram which does encryption and decryption of data from files. ... To calculate the modified value of the first character of input we add its mapped value

ID: 3662518 • Letter: T

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The goal is to write a program that performs both the encryption and decryption of text files.

The program should begin by giving the user a choice of encryption or decryption. The program should then ask for a key value and both input and output file names. Next, the program should read the input file one character at a time and encrypt or decrypt each character. The new character should be output to the output file whose name was specified by the user.

Use columnar transposition using arrays and also a character shift operation.

Explanation / Answer

You will have an opportunity to work with both C style strings and the string data type. This lab also gives you an opportunity to use what you have learned previously, ... aprogram which does encryption and decryption of data from files. ... To calculate the modified value of the first character of input we add its mapped value

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The goal is to write a program that performs both the encryption and decryption

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