How can signatures remain valid beyond the expiration dates of their keys, or, How do you verify a 20-year-old signature?
TCS,
660Post New Cryptography General Questions
What is NIST ?
Can users of rsa run out of distinct primes?
How do digital timestamps support digital signatures?
What happens if my private key is compromised?
Which cryptologic mechanisms can be used to protect integrity?
What are some of the basic types of cryptanalytic attack ?
What are proactive security techniques ?
Why is Clipper controversial?
Why use RSA rather than DES?
What is a one-way function ?
Is cryptography exportable from the U.S.?
Who needs a key?
What is authentication? What is a digital signature?
What is the significance of one-way functions for cryptography?
What is blakleys secret sharing scheme?