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3 cards from this section. Quick, good the night before a test.
What is public key cryptography?
Think about how messages can be encrypted without sharing keys.
Name one limitation of the Diffie-Hellman key exchange.
Consider situations where parties may not be available at once.
What does public key cryptography use to encrypt messages?
Think about the roles of both types of keys in this system.
True or False: The Diffie-Hellman protocol allows communication without the need for both parties to be online.
Consider the limitations of this protocol.
Design a simple public key cryptosystem, specifying how keys will be shared and messages encrypted.
Use examples to illustrate your process.
Analyze the weaknesses of public key cryptosystems and discuss potential solutions to mitigate these vulnerabilities.
Think about real-life implications of security breaches.
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