Coded Data Including a Distributed Signature
First Claim
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1. 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
, at least part of a signature, the signature being a digital signature of at least part of the identity.
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Abstract
Coded data for disposal on or in a surface that includes a number of coded data portions. Each coded data portion encodes an identity of an object or the like associated with the surface. 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.
91 Citations
20 Claims
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1. Coded data for disposal on or in a surface, the 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