Encyclopedia > Cryptogram

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A cryptogram is a sort of puzzle, popularly printed in some newspapers and magazines. A short piece of text is given, encrypted with a simple substitution cipher in which each letter is replaced by a different letter. The object of the puzzle is to recover the plaintext by frequency analysis and by recognizing letter patterns in words.

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Digital Rights Management

... the Palladium operating system. A wide variety of DRM systems have also been employed to restrict access to eBooks[?]. See the TCPA / Pallidium FAQ maintained by Professor ...

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