What are covert channels ?
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What if users of RSA run out of distinct primes?
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 ITU-T (CCITT) Standards ?
What is SecurID ?
What is the keystore?
What are the advantages and disadvantages of public-key cryptography over secret-key cryptography?
Which cryptologic mechanisms can be used to protect integrity?
What is PSS/PSS-R ?
Are elliptic curve cryptosystems widely used ?
What is the significance of one-way functions for cryptography?
What is the discrete log problem?
How do elliptic curve cryptosystems compare with other cryptosystems ?