How can signatures remain valid beyond the expiration dates of their keys, or, How do you verify a 20-year-old signature?
TCS,
855Post New Cryptography General Questions
Should a public key or private key be shared among users?
What are elliptic curve cryptosystems ?
What are the best discrete logarithm methods in use today ?
What is the NSA ?
What are elliptic curves ?
Which cryptographic mechanism provides non-repudiation?
Can RSA be exported from the U.S.?
What are the alternatives to rsa?
What is primality testing ?
What is privacy ?
What are some other hard problems ?
What is the factoring problem ?
What is a linear feedback shift register?
What are pseudo-collisions?
What is RIPEM?