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digital fingerprint

1. A characteristic of a data item, such as a cryptographic checkvalue or the result of performing a oneway hash function on the data, that is sufficiently peculiar to the data item that it is computationally infeasible to find another data item that will possess the same characteristics [101811]. 2. A characteristic of a data item, such as a cryptographic check value or a result of performing a oneway hash function on the data, that is sufficiently peculiar to the data item that it is computationally infeasible to find another data item that will possess the same characteristic [101812]. 

