发明授权
US07478246B2 Method for providing a scalable trusted platform module in a hypervisor environment
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在管理程序环境中提供可扩展的可信平台模块的方法
- 专利标题: Method for providing a scalable trusted platform module in a hypervisor environment
- 专利标题(中): 在管理程序环境中提供可扩展的可信平台模块的方法
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申请号: US10902670申请日: 2004-07-29
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公开(公告)号: US07478246B2公开(公告)日: 2009-01-13
- 发明人: Richard Louis Arndt , Steven A. Bade , Thomas J. Dewkett , Charles W. Gainey, Jr. , Nia Letise Kelley , Siegfried Sutter , Helmut H. Weber
- 申请人: Richard Louis Arndt , Steven A. Bade , Thomas J. Dewkett , Charles W. Gainey, Jr. , Nia Letise Kelley , Siegfried Sutter , Helmut H. Weber
- 申请人地址: US NY Armonk
- 专利权人: International Business Machines Corporation
- 当前专利权人: International Business Machines Corporation
- 当前专利权人地址: US NY Armonk
- 代理商 Duke W. Yee; Diana Roberts Gerhardt; Lisa L. B. Yociss
- 主分类号: G06F11/30
- IPC分类号: G06F11/30 ; H04K1/10
摘要:
A method is described for implementing a trusted computing environment within a data processing system where the data processing system includes a single hardware trusted platform module (TPM). Multiple logical partitions are provided in the data processing system. A unique context is generated for each one of the logical partitions. When one of the logical partitions requires access to the hardware TPM, that partition's context is required to be stored in the hardware TPM. The hardware TPM includes a finite number of storage locations, called context slots, for storing contexts. Each context slot can store one partition's context. Each one of the partitions is associated with one of the limited number of context storage slots in the hardware TPM. At least one of the context slots is simultaneously associated with more than one of the logical partitions. Contexts are swapped into and out of the hardware TPM during runtime of the data processing system so that when ones of the partitions require access to the hardware TPM, their required contexts are currently stored in the hardware TPM.
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