TRACE CENTER APPARATUS AND METHOD FOR ENABLING CONTENTS TO BE TRACED
First Claim
1. A trace center apparatus comprising a tracer generation and registration part issuing a tracer identification number that uniquely identifies a content residing on a different computer and also uniquely identifies a tracer, generating a tracer program having the function of reporting identification information of a computer on which a content resides and the tracer identification number to a trace center while holding the trace identification number, and registering the tracer program with the trace center.
1 Assignment
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Accused Products
Abstract
A leaked information tracing technique enabling a recipient of leaked information to be identified. A trace center apparatus includes a tracer generation and registration part which issues a tracer identification number uniquely identifying both of a content residing on different computer and a tracer, generates a tracer program having the function of reporting identification information of a computer on which the content resides and the tracer identification number to a trace center, and registers the tracer program with the trace center.
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Citations
11 Claims
- 1. A trace center apparatus comprising a tracer generation and registration part issuing a tracer identification number that uniquely identifies a content residing on a different computer and also uniquely identifies a tracer, generating a tracer program having the function of reporting identification information of a computer on which a content resides and the tracer identification number to a trace center while holding the trace identification number, and registering the tracer program with the trace center.
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11. A method for enabling a content to be traced, the method comprising the steps of:
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issuing a tracer identification number uniquely identifying a content residing on a different computer and also uniquely identifying a tracer; generating a tracer program including the function of reporting identification information of a computer on which the content resides and the trace identification number to a trace center while holding the tracer identification number; and registering the tracer program with the trace center.
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Specification