Un-Answered Questions { Cryptography General }

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

532


What role does NIST play in cryptography?

597


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

547


What happens if my private key is compromised?

544


Who issues certificates and how?

590


Does RSA help detect altered documents and transmission errors?

612


What is authentication? What is a digital signature?

541


Why is Clipper controversial?

597


Who needs a key?

613


How is RSA used for authentication in practice?

600


How much extra message length is caused by using RSA?

585


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

659


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

561


Which is easier, factoring or discrete log?

567


Why use RSA rather than DES?

606