Method of Verifying an Object
First Claim
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1. A method of verifying an object, wherein the method includes, in a computer system:
- receiving a verification request, the request being at least partially indicative of;
an identity of the object;
at least one signature fragment, the signature being a digital signature of at least part of the identity;
determining, using the verification request, a determined identity;
determining, using the determined identity, and from a database, at least one criterion relating to verification; and
,comparing the received verification request to the at least one criterion; and
causing the object to be verified if the at least one criterion is satisfied.
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Abstract
A method of verifying an object using a computer system which receives a verification request indicative of an identity of the object and at least one signature fragment, the signature being a digital signature of at least part of the identity. The method includes determining the identity, and using this to determine at least one criterion relating to the verification from a database. The verification request is compared to the at least one criterion allowing the object to be verified if the criterion is satisfied.
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Citations
20 Claims
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1. A method of verifying an object, wherein the method includes, in a computer system:
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receiving a verification request, the request being at least partially indicative of; an identity of the object; at least one signature fragment, the signature being a digital signature of at least part of the identity; determining, using the verification request, a determined identity; determining, using the determined identity, and from a database, at least one criterion relating to verification; and
,comparing the received verification request to the at least one criterion; and causing the object to be verified if the at least one criterion is satisfied. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of verifying an object, wherein the method includes, in a computer system:
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receiving a verification request, the request being at least partially indicative of; an identity of the object; a concatenation of; a signature fragment, the signature fragment being a digital signature of at least part of the identity; and a random signature; determining, using the verification request, a determined identity; determining, using the concatenation, the signature fragment; and
,verifying the object using the determined identity and the signature fragment. - View Dependent Claims (15)
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16. Coded data for disposal on or in a surface, the coded data including a number of coded data portions, each coded data portion encoding:
an identity; and
,a fragment of a signature, the signature being a digital signature of at least part of the identity; and a random signature.
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17. Coded data according to claim 17, wherein each coded data portion is at least partially indicative of a data portion identity, the data portion identity being unique for each coded data portion, the data portion identity being indicative of the position.
- 19. Coded data according to claim 18, wherein the coded data is disposed on or in the surface using a layout, the layout being indicative of, for each data portion identity, the position of the corresponding coded data portion.
Specification