How can signatures remain valid beyond the expiration dates of their keys, or, How do you verify a 20-year-old signature?
TCS,
547Post New Cryptography General Questions
What improvements are likely in factoring capability ?
How does the length of a hash value affect security?
What is Mondex ?
What are some other cryptography specifications ?
How is rsa used for authentication in practice? What are rsa digital signatures?
What are covert channels ?
Can DES be exported from the U.S.?
What is PSS/PSS-R ?
What role does NIST play in cryptography?
What is a digital time-stamping service?
What is authentication? What is a digital signature?
What are visual secret sharing schemes?
What is a birthday attack?
What is a compression function?
What is a CSU, or, How do certifying authorities store their private keys?