How can signatures remain valid beyond the expiration dates of their keys, or, How do you verify a 20-year-old signature?
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What are pseudo-collisions?
What are the best factoring methods in use today ?
What is a stream cipher?
Is use of DSS covered by any patents?
What is OAEP ?
What is the GSS-API ?
What other stream ciphers are there?
What are covert channels ?
What is a compression function?
What are elliptic curve cryptosystems ?
What is the factoring problem ?
Is the use of dsa covered by any patents?