Invention Grant
US08839002B2 Optical media recording device for protecting device keys and related method
有权
用于保护设备密钥的光媒体记录设备及相关方法
- Patent Title: Optical media recording device for protecting device keys and related method
- Patent Title (中): 用于保护设备密钥的光媒体记录设备及相关方法
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Application No.: US12107773Application Date: 2008-04-23
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Publication No.: US08839002B2Publication Date: 2014-09-16
- Inventor: Chun-Wei Chang
- Applicant: Chun-Wei Chang
- Applicant Address: TW Xindian Dist., New Taipei
- Assignee: CyberLink Corp.
- Current Assignee: CyberLink Corp.
- Current Assignee Address: TW Xindian Dist., New Taipei
- Agent Winston Hsu; Scott Margo
- Main IPC: G06F12/14
- IPC: G06F12/14 ; G06F21/72 ; H04L9/00
Abstract:
To protect device keys, an optical media recording device capable of performing AACS encryption on data does not have any device keys, and the optical media recording device performs AACS encryption by activating recording software stored in a memory the optical media recording device, and utilizing a pre-calculated media key stored in the memory of the optical media recording device to perform AACS encryption on the data.
Public/Granted literature
- US20090268907A1 Optical Media Recording Device for Protecting Device Keys and Related Method Public/Granted day:2009-10-29
Information query
