Security document database
First Claim
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1. A security document system comprising:
- a database for storing security document data including, for each of a number of security documents;
identity data, the identity data being at least partially indicative of an identity of the security document; and
a signature associated with each of the identities;
a sensing device for sensing a coded data portion disposed on one of the security documents, each security document having disposed thereon a plurality of coded data portions, each coded data portion encoding the identity of the security document and a fragment of the signature associated with that identity of the security document, the sensing device being further for determining an identifier of the fragment; and
a computer system to;
receive, from the sensing device, indicating data indicative of the identity of the security document, the fragment and the identifier of the fragment;
retrieve from the database the signature associated with the identity of the security document received in the indicating data;
determine a further fragment of the signature retrieved from the database and using the identifier received in the indicating data; and
authenticate the security document by comparing the fragment received in the indicating data and the further fragment.
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Accused Products
Abstract
A security document database, the database storing security document data including identity data at least partially indicative of an identity of the security document and attribute data at least partially indicative of one or more attributes of the security document. The security document database allows a computer system to use received indicating data to perform an action associated with the security document.
42 Citations
9 Claims
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1. A security document system comprising:
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a database for storing security document data including, for each of a number of security documents; identity data, the identity data being at least partially indicative of an identity of the security document; and a signature associated with each of the identities; a sensing device for sensing a coded data portion disposed on one of the security documents, each security document having disposed thereon a plurality of coded data portions, each coded data portion encoding the identity of the security document and a fragment of the signature associated with that identity of the security document, the sensing device being further for determining an identifier of the fragment; and a computer system to; receive, from the sensing device, indicating data indicative of the identity of the security document, the fragment and the identifier of the fragment; retrieve from the database the signature associated with the identity of the security document received in the indicating data; determine a further fragment of the signature retrieved from the database and using the identifier received in the indicating data; and authenticate the security document by comparing the fragment received in the indicating data and the further fragment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification