Patent Document ID: 7827415
Application ID: 11099562

Base Claim:
1. An image processing apparatus for authenticating a document, comprising: a document data acquisition unit configured to read a document to acquire a uniform resource identifier designated to and embedded in the document by a document generating unit, one or more data items printed on the document, and verification information embedded in the document; a document data analysis unit configured to identify policy data based on the acquired uniform resource identifier, and to perform a specified conversion method on the one or more data items to obtain a conversion result; a policy data control unit configured to retrieve the identified policy data from a policy data storage unit, the identified policy data indicating at least (1) the specified conversion method which indicates how the verification information was generated and (2) where the verification information is embedded in the document; and an authentication unit configured to authenticate the document by comparing the conversion result and the acquired verification information; wherein the verification information embedded in the document has been generated by the document generating unit which has generated the document by performing the specified conversion method on the one or more data items printed on the document.

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Claim 5:
5. The image processing apparatus as claimed in claim 1 , further comprising: a policy data storage unit configured to store policy data for each data item of information related to the document and the uniform resource identifier of the document.