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
What are visual secret sharing schemes?
Can users of rsa run out of distinct primes?
How are certificates used?
What is the Current Status of Clipper ?
What are alternatives to RSA?
What if users of RSA run out of distinct primes?
What are some of the more popular techniques in cryptography ?
What is a compression function?
What is seal?
Why is Clipper controversial?
Is cryptography patentable in the U.S.?
What is IEEE P1363 ?
What are rsa digital signatures?
Who issues certificates and how?
What are the advantages and disadvantages of public-key cryptography over secret-key cryptography?