PERSONALIZED WHITEBOX DESCRAMBLERS
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United States of America Patent
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app pub date -
Nov 25, 2013
filing date -
Mar 26, 2010
priority date (Note) -
Abandoned
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Abstract
The invention prevents intercepted keys from being used in unauthorized whitebox descrambler modules for the decryption of a ciphertext. Hereto a receiver with a personalized whitebox descrambler is proposed, whereby a part of the descrambling operation of the personalized descrambler is performed in a preprocessing module external to the descrambler.
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