11/21/2022 0 Comments Cprm Decrypter Sony![]() There is not much information about DVD CPRM, let alone the related CPRM decrypter software. Assignors: JIN, HONGXIA, LOTSPIECH, JEFFREY B.DVD CPRM Decrypter - Play CPRM Protected DVDs on PC/Mac Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by International Business Machines Corp filed Critical International Business Machines Corp Priority to US12/192,962 priority Critical patent/US8422684B2/en Assigned to INTERNATIONAL BUSINESS MACHINES CORPORATION reassignment INTERNATIONAL BUSINESS MACHINES CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee International Business Machines Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor Hongxia Jin Jeffrey Bruce Lotspiech Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US12/192,962 Other versions US8422684B2 Google Patents US20100040231A1 - Security Classes in a Media Key Block US20100040231A1 - Security Classes in a Media Key Block ![]()
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