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Questions and Answers
What are the three categories of public-key cryptosystems?
What is the most widely used general-purpose approach to public-key encryption?
How is plaintext encrypted in RSA?
What is the block size for RSA?
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What is the public key for RSA?
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What does the RSA algorithm require values of?
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What does the RSA algorithm use two prime numbers to calculate?
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Study Notes
- Public-key cryptosystems have three categories: encryption/decryption, digital signature, and key exchange.
- RSA is the most widely used general-purpose approach to public-key encryption.
- Plaintext is encrypted in blocks using RSA.
- Block size for RSA is integers between 0 and n-1 for some n.
- Public key for RSA is PU={e, n} and private key is PR={d, n}.
- RSA algorithm requires values of e, d, and n.
- RSA algorithm uses two prime numbers, p and q, to calculate n.
- RSA algorithm uses extended Euclid's algorithm to calculate d.
- RSA algorithm is vulnerable to brute-force and probable-message attacks.
- RSA algorithm is currently confined to key management and signature applications.
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Description
Test your knowledge on the widely used RSA algorithm for public-key encryption. From block size to prime number calculations, this quiz covers the ins and outs of RSA. See if you can handle questions about encryption/decryption, digital signature, and key exchange. Plus, learn about vulnerabilities and current applications of this powerful algorithm. Don't miss out on the chance to sharpen your cryptography skills!
