Coded Data Associated with an Object and Encoding a Distributed Signature
First Claim
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1. An object having a surface, the surface having disposed thereon or therein coded data including a number of coded data portions, each coded data portion encoding:
- an identity; and
, at least part of a signature, the signature being a digital signature of at least part of the identity.
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Abstract
An object associated with a surface that has coded data disposed thereon or therein. The coded data includes a number of coded data portions, each of which encodes an identity of the object. In addition, each coded data portion encodes at least part of a signature that is a digital signature of at least part of the identity. This allows the coded data to be used to both identify and authenticate the object.
47 Citations
20 Claims
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1. An object having a surface, the surface having disposed thereon or therein coded data including a number of coded data portions, each coded data portion encoding:
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an identity; and
,at least part of a signature, the signature being a digital signature of at least part of the identity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification