Programming Assignment 1: Vigenere Cipher

Write a program to

1. Encrypt a text file using vigenere cipher method

2. Break the ciphertext that was generated using the Vigenère cipher. Assume Key and length of the key are unknown.

Use Byte wise Vigenere cipher scheme described in the class for encryption and decryption

VigenereEncryption takes a key as an argument and generates a ciphertext file.

VigenereBreaking takes a ciphertext file as an input and generates a key file.

Use the attached plaintext: USAmendments.txt

Submit both, the programs and screenshots of running and output of the programs in a single word/pdf file.

All other formats will be discarded.