Method, System and Computer Program Product for Certifying a Timestamp of a Data Processing System
First Claim
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1. A computer implemented method comprising:
- receiving a request to certify a timestamp generated by a trusted data processing system;
responsive to the request, analyzing historical data related to a system time of the data processing system; and
certifying the timestamp in response to determining that the historical data indicates a trustworthy system time of the data processing system when the timestamp was generated.
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Abstract
The disclosed embodiments present a system, method, and computer program product for certifying a timestamp generated by a data processing system. In some embodiments, the method includes receiving a request to certify a timestamp generated by a trusted data processing system, analyzing historical data related to a system time of the data processing system, and certifying the timestamp in response to determining that the historical data indicates a trustworthy system time of the data processing system when the timestamp was generated.
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Citations
20 Claims
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1. A computer implemented method comprising:
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receiving a request to certify a timestamp generated by a trusted data processing system; responsive to the request, analyzing historical data related to a system time of the data processing system; and certifying the timestamp in response to determining that the historical data indicates a trustworthy system time of the data processing system when the timestamp was generated. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system comprising:
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a data bus system; memory coupled to the data bus system, wherein the memory includes computer usable program code; and a processing unit coupled to the data bus system, wherein the processing unit executes the computer usable program code to; responsive to a request to certify a timestamp generated by a trusted data processing system, analyze historical data related to a system time of the data processing system; and certify the timestamp in response to determining that the historical data indicates a trustworthy system time of the data processing system when the timestamp was generated. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A computer program product comprising:
a computer usable storage type medium including computer usable program code for certifying a timestamp of a trusted data processing system, the computer program product comprising computer usable program code for; responsive to a request to certify a timestamp generated by a trusted data processing system, analyzing historical data related to a system time of the data processing system; and certifying the timestamp in response to determining that the historical data indicates a trustworthy system time of the data processing system when the timestamp was generated. - View Dependent Claims (16, 17, 18, 19, 20)
Specification