Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2006-02-14
2011-12-06
Fischer, Andrew J. (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S059000, C705S057000, C713S324000
Reexamination Certificate
active
08073779
ABSTRACT:
An electronic device, such as, a computer, may be adapted for self-monitoring for compliance to an operating policy. The operating policy may specify a pay-per-use or subscription business model and measurements associated with compliant usage. A secure execution environment may measure usage in accordance with the business model as well as monitor and enforce compliance to the operating policy. To increase the difficulty of attacking or otherwise disabling the secure execution environment, elements of the secure execution environment may be distributed. The distribution points may include other functional elements of the computer, such as interface circuits, or may even be remotely located over a network. An implementation method for disaggregating the secure execution environment is also disclosed.
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Ahdout Isaac P.
Frank Alexander
Phillips Thomas G.
Steeb Curt A.
Thompson Richard B.
Cheung Calvin K
Fischer Andrew J.
Microsoft Corporation
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