System and method for production and authentication of original documents
First Claim
1. A system for authentication of a counterfeit-resistant document, comprising:
- (a) means for receiving an apparently non-deterministic characteristic of a recording medium of the document;
(b) means for receiving a document content of the document;
(c) means for storing the apparently non-deterministic characteristic and document content in association with each other; and
(d) means for comparing the stored description of the apparently non-deterministic characteristic and document content with an observed apparently non-deterministic characteristic and document characteristic;
wherein said document includes a unique identifier and the apparently non-deterministic characteristic comprises a pseudorandom copy-resistant printed marking, wherein an algorithm defines a mapping between the unique identifier and a pattern of the pseudorandom copy-resistant printed marking;
wherein said system further comprises means for executing said algorithm; and
wherein said comparing means includes means for comparing an observed characteristic of a document to be authenticated to an output of said executing means.
1 Assignment
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Accused Products
Abstract
A system and method for authenticating documents and content thereof. A counterfeit resistant document recording medium is provided, having thereon a predefined unique document identifier and at least one security feature. The recording medium is thereafter imprinted with document content, which typically varies between documents. The document content is stored in a database, indexed by an associated document identifier. The document may then be authenticated by checking the security feature and comparing the stored document content with a perceived document content. The system provides a number of opportunities for commercial exploitation, including sales of identified recording media, recording of information in a database, on-line authentication transactions, differential accounting for document validations and counterfeit identifications, imprinting devices, authentication devices, and the like. The system prevents counterfeiting of valuable documents through casual means by providing both physical and logical security.
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Citations
50 Claims
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1. A system for authentication of a counterfeit-resistant document, comprising:
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(a) means for receiving an apparently non-deterministic characteristic of a recording medium of the document; (b) means for receiving a document content of the document; (c) means for storing the apparently non-deterministic characteristic and document content in association with each other; and (d) means for comparing the stored description of the apparently non-deterministic characteristic and document content with an observed apparently non-deterministic characteristic and document characteristic; wherein said document includes a unique identifier and the apparently non-deterministic characteristic comprises a pseudorandom copy-resistant printed marking, wherein an algorithm defines a mapping between the unique identifier and a pattern of the pseudorandom copy-resistant printed marking;
wherein said system further comprises means for executing said algorithm; and
wherein said comparing means includes means for comparing an observed characteristic of a document to be authenticated to an output of said executing means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
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Specification