Definitions[]
A digital fingerprint is
| “ | technology that embeds a unique identifier into each user's copy of software or a digital file, which can be extracted to help identify the source of an unauthorized copy. | ” |
| “ | [a] characteristic of a data item, such as a cryptographic checkvalue or the result of performing a one-way 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.[1] | ” |