Cisco Technology, Inc.

Gabi Ickowicz

Yaacov Belenky

Stephanie Wald

Carmi Bogot

Uri Stroh

Josh Kamins

Abraham Wachtfogel

A method for protecting digital content is described. The method includes receiving compressed encrypted digital content, determining an output format based, at least in part, on all of the following: a user-requested output format; received control information; and a rule determining whether a clear compressed output format is allowedand producing output from the compressed digital content based on a result of the determining, wherein, if the rule does not allow clear compressed output format, the compressed encrypted digital content is provided in a form which prevents production of clear compressed output in the producing step. Related apparatus and methods are also described.

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Jerusalem, Israel

Gabi Ickowicz