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2 cards from this section. Quick, good the night before a test.
What is the primary purpose of public key cryptography?
Think about how messages can be sent over insecure channels.
Define the term 'public key.'
Consider its role in the encryption process.
What is a public key?
Think about who can use it to encrypt messages.
True or False: The Diffie-Hellman protocol requires both parties to be online simultaneously.
How do they achieve key agreement?
How would you apply the Diffie-Hellman protocol in a scenario where two parties wish to establish a secret communication? Provide a step-by-step method.
Consider how public values are created and shared.
Given a prime number and a corresponding public key in RSA, explain how an attacker could theoretically break the encryption. Discuss the feasibility of this approach.
Think about the reliance on large primes and their properties.
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