What is a stream cipher?
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What is seal?
How is RSA used for authentication in practice?
At what point does an attack become practical ?
Who issues certificates and how?
What are alternatives to RSA?
How is rsa used for authentication in practice? What are rsa digital signatures?
What is SecurID ?
What are elliptic curves ?
Can RSA be exported from the U.S.?
What are RC2 and RC4?
What are the most important attacks on MACs ?
What is tamper-resistant hardware ?