Un-Answered Questions { Cryptography General }

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

465


What role does NIST play in cryptography?

536


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

484


What happens if my private key is compromised?

484


Who issues certificates and how?

537


Does RSA help detect altered documents and transmission errors?

546


What is authentication? What is a digital signature?

478


Why is Clipper controversial?

534


Who needs a key?

540


How is RSA used for authentication in practice?

531


How much extra message length is caused by using RSA?

520


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

590


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

484


Which is easier, factoring or discrete log?

504


Why use RSA rather than DES?

539