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Please describe the pros and cons of one-time-pad encryption mechanism. Please draw a diagram specifying how CBC encrypt and decrypt data. Please describe the difference
- Please describe the pros and cons of one-time-pad encryption mechanism.
- Please draw a diagram specifying how CBC encrypt and decrypt data.
- Please describe the difference of DES and AES. Which one is more secure? Why?
- When sending a message from one party to another, how should we ensure both the confidentiality and integrity of the message. Please provide a solution.
- Please demonstrate a forgery attack against CBC MAC.
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