How can signatures remain valid beyond the expiration dates of their keys, or, How do you verify a 20-year-old signature?
TCS,
605Post New Cryptography General Questions
Why use RSA rather than DES?
What is SecurPC ?
What is the significance of factoring in cryptography?
Can DES be exported from the U.S.?
What are the best discrete logarithm methods in use today ?
What is the RSA Factoring Challenge?
Why is Clipper controversial?
What are alternatives to RSA?
What is DNA computing ?
What is privacy ?
What is the secure hash algorithm (sha and sha-1)?
What is PKCS ?
Which two cryptographic mechanisms provide confidentiality?
How is RSA used for encryption in practice?
What is SSH ?