Q. How can cryptographic algorithms be divided?

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Q. What is the secret in restricted algorithms?

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Q. Why do restricted algorithms provide poor security?

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Q. What is the secret in key-based algorithms?

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Q. Are encryption algorithms always secure?

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Q. Are key-based algorithms usually made public or private?

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Q. What makes reversing pointless in key-based algorithms?

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Q. What are the three ways to decipher a message encrypted with a key-based cipher?

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Q. What is the main issue faced by copyright owners and content providers due to digital information?

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Q. What is Digital Rights Management (DRM)?

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Q. What is the main advantage of digital information for consumers?

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Q. What is the main advantage of digital information for providers?

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Q. What is the main issue with copy protection technologies?

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Q. What are digital rights management technologies?

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Q. What are DRM technologies?

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Q. What is the difference between DRM technologies and traditional software copy protection technologies?

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Q. Why is it more difficult to control or restrict usage of digital media?

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Q. How do crackers defeat DRM technologies?

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Q. Why do crackers use reverse-engineering techniques to defeat DRM technologies?

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Q. Which of the following is a strength of open-source software?

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