![]() ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related, expires Application number US11/977,862 Other versions US20080049935A1 Google Patents Interpreter using cryptographic values of a playback device's keys to authorize the playback deviceÄownload PDF Info Publication number US7756272B2 US7756272B2 US11/977,862 US97786207A US7756272B2 US 7756272 B2 US7756272 B2 US 7756272B2 US 97786207 A US97786207 A US 97786207A US 7756272 B2 US7756272 B2 US 7756272B2 Authority US United States Prior art keywords content cryptographic playback digital content player Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. ![]() ![]() Google Patents US7756272B2 - Interpreter using cryptographic values of a playback device's keys to authorize the playback device US7756272B2 - Interpreter using cryptographic values of a playback device's keys to authorize the playback device ![]()
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