Question: Consider a banking system that uses the following format for transaction messages: two bytes for the sender ID , two bytes for the receiver ID

Consider a banking system that uses the following format for transaction messages:
two bytes for the sender ID, two bytes for the receiver ID, and four bytes for the
amount to be transferred. Transactions are encrypted before sending. What could you
add to these messages to make them adhere to the two cryptographic principles dis- cussed in this chapter?

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