公开(公告)号：IL195129A

公开(公告)日：2014-12-31

申请号：IL19512908

申请日：2008-11-05

Applicant: INTERDIGITAL TECH CORP ,  SINGHAL AMIT X

Inventor： SINGHAL AMIT X

Abstract: The present invention discloses several methods to strengthen the integrity of entities, messages, and processing related to content distribution as defined by the Open Mobile Alliance (OMA) Digital Rights Management (DRM). The methods use techniques related to the Trusted Computing Group (TCG) specifications. A first embodiment uses TCG techniques to verify platform and DRM software integrity or trustworthiness, both with and without modifications to the DRM rights object acquisition protocol (ROAP) and DRM content format specifications. A second embodiment uses TCG techniques to strengthen the integrity of ROAP messages, constituent information, and processing without changing the existing ROAP protocol. A third embodiment uses TCG techniques to strengthen the integrity of the ROAP messages, information, and processing with some changes to the existing ROAP protocol.

公开(公告)号：EP2052524A2

公开(公告)日：2009-04-29

申请号：EP07872510.8

申请日：2007-05-04

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION ,  Singhal, Amit X.

Inventor： CHA, Inhyok ,  SHAH, Yogendra, C.

IPC: H04L29/06

CPC classification number: G06F21/10 ,  G06F21/57 ,  H04L9/3247 ,  H04L63/12 ,  H04L63/20

Abstract: The present invention discloses several methods to strengthen the integrity of entities, messages, and processing related to content distribution as defined by the Open Mobile Alliance (OMA) Digital Rights Management (DRM). The methods use techniques related to the Trusted Computing Group (TCG) specifications. A first embodiment uses TCG techniques to verify platform and DRM software integrity or trustworthiness, both with and without modifications to the DRM rights object acquisition protocol (ROAP) and DRM content format specifications. A second embodiment uses TCG techniques to strengthen the integrity of ROAP messages, constituent information, and processing without changing the existing ROAP protocol. A third embodiment uses TCG techniques to strengthen the integrity of the ROAP messages, information, and processing with some changes to the existing ROAP protocol.

公开(公告)号：WO2008100264A2

公开(公告)日：2008-08-21

申请号：PCT/US2007/010951

申请日：2007-05-04

Applicant: INTERDIGITAL TECHNOLOGY CORPORATION ,  SINGHAL, Amit, X. ,  CHA, Inhyok ,  SHAH, Yogendra, C.

Inventor： CHA, Inhyok ,  SHAH, Yogendra, C.

CPC classification number: G06F21/10 ,  G06F21/57 ,  H04L9/3247 ,  H04L63/12 ,  H04L63/20

Abstract: The present invention discloses several methods to strengthen the integrity of entities, messages, and processing related to content distribution as defined by the Open Mobile Alliance (OMA) Digital Rights Management (DRM). The methods use techniques related to the Trusted Computing Group (TCG) specifications. A first embodiment uses TCG techniques to verify platform and DRM software integrity or trustworthiness, both with and without modifications to the DRM rights object acquisition protocol (ROAP) and DRM content format specifications. A second embodiment uses TCG techniques to strengthen the integrity of ROAP messages, constituent information, and processing without changing the existing ROAP protocol. A third embodiment uses TCG techniques to strengthen the integrity of the ROAP messages, information, and processing with some changes to the existing ROAP protocol.

Abstract translation: 本发明公开了加强与由开放移动联盟（OMA）数字版权管理（DRM）定义的内容分发有关的实体，消息和处理的完整性的几种方法。 该方法使用与可信计算组（TCG）规范相关的技术。 第一实施例使用TCG技术来验证平台和DRM软件完整性或可信赖性，无论是否修改DRM权限对象获取协议（ROAP）和DRM内容格式规范。 第二实施例使用TCG技术来加强ROAP消息，组成信息和处理的完整性，而不改变现有的ROAP协议。 第三实施例使用TCG技术来加强ROAP消息，信息和处理的完整性，并且对现有的ROAP协议进行一些改变。

公开(公告)号：WO2008100264A3

公开(公告)日：2009-07-16

申请号：PCT/US2007010951

申请日：2007-05-04

Applicant: INTERDIGITAL TECH CORP ,  CHA INHYOK ,  SINGHAL AMIT X ,  SHAH YOGENDRA C

Inventor： CHA INHYOK ,  SINGHAL AMIT X ,  SHAH YOGENDRA C

IPC: H04L29/06 ,  H04L12/22

CPC classification number: G06F21/10 ,  G06F21/57 ,  H04L9/3247 ,  H04L63/12 ,  H04L63/20

Abstract: The present invention discloses several methods to strengthen the integrity of entities, messages, and processing related to content distribution as defined by the Open Mobile Alliance (OMA) Digital Rights Management (DRM). The methods use techniques related to the Trusted Computing Group (TCG) specifications. A first embodiment uses TCG techniques to verify platform and DRM software integrity or trustworthiness, both with and without modifications to the DRM rights object acquisition protocol (ROAP) and DRM content format specifications. A second embodiment uses TCG techniques to strengthen the integrity of ROAP messages, constituent information, and processing without changing the existing ROAP protocol. A third embodiment uses TCG techniques to strengthen the integrity of the ROAP messages, information, and processing with some changes to the existing ROAP protocol.

Abstract translation: 本发明公开了加强与由开放移动联盟（OMA）数字版权管理（DRM）定义的内容分发有关的实体，消息和处理的完整性的几种方法。 该方法使用与可信计算组（TCG）规范相关的技术。 第一实施例使用TCG技术来验证平台和DRM软件完整性或可信赖性，无论是否修改DRM权限对象获取协议（ROAP）和DRM内容格式规范。 第二实施例使用TCG技术来加强ROAP消息，组成信息和处理的完整性，而不改变现有的ROAP协议。 第三个实施例使用TCG技术来加强ROAP消息，信息和处理的完整性，并对现有的ROAP协议进行一些改变。