Problem
a) Create a text file that is at least 64 bytes long.
b) Encrypt the file using the AES-128 cipher.
c) Change exactly 1 bit in the encrypted output using a hex editor.
d) Decrypt the corrupted file (encrypted version) using the correct key and IV.
Submit: Answer the following questions:
a) What information can you recover by decrypting the corrupted file, if the encryption mode is ECB, CBC, CFB, or OFB, respectively?
b) Explain why for each algorithm in the previous step.
c) What are the implications of these differences?