Jack is a successful lawyer who runs a law firm that deals withsensitive cases. In 2017, after the widely known ransomwareattacks, their data was compromised. As a protective
measure, he requested that all employees must encrypt theirmessages to each other. Employees generally exchange instructionsor case updates with messages that are no
longer than thirty characters each. For the purpose of hiding themeaning of the messages, they were told to encrypt them usingCaesar cipher substitution then using another
substitution where the key is 567. Once the message is processedthrough the aforementioned methods, they added an extra layer ofsecurity by encrypting the message
with One Time
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