Data processing: financial – business practice – management – or co – Business processing using cryptography
Reexamination Certificate
2011-06-14
2011-06-14
Badii, Behrang (Department: 3694)
Data processing: financial, business practice, management, or co
Business processing using cryptography
C380S269000, C705S051000, C348S333010
Reexamination Certificate
active
07962413
ABSTRACT:
An end-user system for the blocking of recording digital content at during the rendering of encrypted digital multimedia files. Before the process of rendering of encrypted digital multimedia can be started all rendered media stream during playback are opened to ensure that this multimedia content is not recorded. This blocks the usage of the multimedia interfaces including devices and/or ports that can be used to store un-encrypted content that has been decrypted for the purposes of playing or rendering. The method also includes an exception, which allows recording with permission from the present invention.
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Lisanke Michael G.
Milsted Kenneth L.
Nusser Stefan
Tantlinger Bruce A.
Wilhelm, Jr. George W.
Badii Behrang
Fleit Gibbons Gutman Bongini & Bianco PL
Gibbons Jon A.
International Business Machines - Corporation
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