DEVICE, SYSTEM AND METHOD FOR VERIFYING THE AUTHENTICITY INTEGRITY AND/OR PHYSICAL CONDITION OF AN ITEM
First Claim
1. A physical uncloneable function (PUF), comprising a PUF pattern, for verifying a physical condition of an item, wherein said PUF pattern is arranged to be damaged in the event that said item is exposed to a predetermined environmental condition.
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Accused Products
Abstract
A physical uncloneable function (PUF) pattern is used for verifying a physical condition of an item. The PUF pattern is arranged to be damaged in the event that said item is exposed to a predetermined environmental condition. Verification of the physical condition of the item, is carried out by obtaining a measured response from the PUF pattern, and comparing the measured response with a stored response in respect of the PUF.
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Citations
12 Claims
- 1. A physical uncloneable function (PUF), comprising a PUF pattern, for verifying a physical condition of an item, wherein said PUF pattern is arranged to be damaged in the event that said item is exposed to a predetermined environmental condition.
Specification