CN101156448B - 多媒体处理器中的安全条件访问和数字权限管理方法 - Google Patents
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Abstract
Description
Claims (6)
- 根据专利法修改了的新的权利要求:1.一种处理数据的方法,所述方法包括:在移动设备中的单独的移动多媒体处理器芯片中的安全核中从集成在所述移动设备中的片下设备接收安全密钥;在所述单独的移动多媒体处理器芯片中的安全核中用片上密钥解密;在所述单独的移动多媒体处理器芯片中的安全核中存储所述解密后的安全密钥;并且在所述单独的移动多媒体处理器芯片中的安全核中将接收到的加密后的数据用解密后的安全密钥进行解密;其中,所述安全核通过以下步骤进行升级:安全核呈交签名的设备密钥,以用于单移动多媒体处理器芯片在升级服务器的设备验证;升级服务器使用用户私钥验证单移动多媒体处理器芯片内的安全核,单移动多媒体处理器芯片中的安全核使用用户公钥验证升级服务器;升级服务器和单移动多媒体处理器芯片交换会话密钥;升级服务器传送使用该会话密钥加密过的软件给单移动多媒体处理器芯片;安全核使用芯片密钥将新软件的安全核部分再加密,新的加密后的安全核存储在片上或外部的存储盘上。
- 2.根据权利要求1所述的方法,其特征在于,所述片上密钥存储在所述单独移动多媒体处理器芯片中的一次性可编程(OTP)存储器中。
- 3.根据权利要求2所述的方法,其特征在于,进一步包括:从所述OTP存储器中重获所述存储的片上密钥来为所述安全密钥解密。
- 4.根据权利要求1所述的方法,其特征在于,进一步包括用存储在所述单独的移动多媒体处理器芯片中的所述片上密钥来对所述的存储的解密后的安全密钥进行加密。
- 5.根据权利要求4所述的方法,其特征在于,进一步包括在所述单独的移动多媒体处理器芯片之外的存储器中存储解密后的安全密钥。
- 6.根据权利要求1所述的方法,其特征在于,所述接收到的加密的数据包括:加密后的音频数据和加密后的视频数据中的至少一个。
Applications Claiming Priority (5)
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US66922305P | 2005-04-06 | 2005-04-06 | |
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US75043805P | 2005-12-14 | 2005-12-14 | |
US60/750,438 | 2005-12-14 | ||
PCT/US2006/013498 WO2006108181A2 (en) | 2005-04-06 | 2006-04-06 | Secure conditional access and digital rights management in multimedia processor |
Publications (2)
Publication Number | Publication Date |
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CN101156448A CN101156448A (zh) | 2008-04-02 |
CN101156448B true CN101156448B (zh) | 2011-08-10 |
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CN2006800109811A Active CN101156448B (zh) | 2005-04-06 | 2006-04-06 | 多媒体处理器中的安全条件访问和数字权限管理方法 |
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US (1) | US9553848B2 (zh) |
EP (1) | EP1869886B1 (zh) |
KR (1) | KR100947213B1 (zh) |
CN (1) | CN101156448B (zh) |
HK (1) | HK1121893A1 (zh) |
WO (1) | WO2006108181A2 (zh) |
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2006
- 2006-04-06 WO PCT/US2006/013498 patent/WO2006108181A2/en active Application Filing
- 2006-04-06 CN CN2006800109811A patent/CN101156448B/zh active Active
- 2006-04-06 US US11/400,157 patent/US9553848B2/en active Active
- 2006-04-06 KR KR1020077024845A patent/KR100947213B1/ko not_active IP Right Cessation
- 2006-04-06 EP EP06740861.7A patent/EP1869886B1/en not_active Expired - Fee Related
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2008
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US20040005061A1 (en) * | 2002-07-08 | 2004-01-08 | Buer Mark L. | Key management system and method |
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Also Published As
Publication number | Publication date |
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CN101156448A (zh) | 2008-04-02 |
EP1869886A2 (en) | 2007-12-26 |
KR20070118665A (ko) | 2007-12-17 |
WO2006108181A3 (en) | 2006-11-23 |
EP1869886B1 (en) | 2020-09-02 |
KR100947213B1 (ko) | 2010-03-11 |
US20060233149A1 (en) | 2006-10-19 |
HK1121893A1 (en) | 2009-04-30 |
WO2006108181A2 (en) | 2006-10-12 |
US9553848B2 (en) | 2017-01-24 |
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