Un-Answered Questions { Cryptography General }

What key management issues are involved in public-key cryptography?

446


What role does NIST play in cryptography?

511


How can signatures remain valid beyond the expiration dates of their keys, or, How do you verify a 20-year-old signature?

456


What happens if my private key is compromised?

462


Who issues certificates and how?

520


Does RSA help detect altered documents and transmission errors?

517


What is authentication? What is a digital signature?

461


Why is Clipper controversial?

512


Who needs a key?

519


How is RSA used for authentication in practice?

506


How much extra message length is caused by using RSA?

497


What is a hash function? What is a message digest?

568


What is the significance of one-way functions for cryptography?

468


Which is easier, factoring or discrete log?

482


Why use RSA rather than DES?

516