Which two cryptographic mechanisms provide authentication
schemes?
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What is SecurID ?
What is authentication? What is a digital signature?
What is a digital time-stamping service?
How can signatures remain valid beyond the expiration dates of their keys, or, How do you verify a 20-year-old signature?
What are the advantages and disadvantages of public-key cryptography over secret-key cryptography?
What are shift register cascades?
How is rsa used for authentication in practice? What are rsa digital signatures?
What is the factoring problem ?
What is SSL ?
Which is easier, factoring or discrete log?
Why is cryptography important ?
What is the current status of DSS?