System and method for decreasing the number of fingerprints in digital fingerprint library
The present disclosure relates to a system and method implemented for lowering the number of fingerprints of fragments of a file added to the digital fingerprint library using a winnowing window method. The digital fingerprint library stores fingerprints of fragments of files matching certain criter...
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Zusammenfassung: | The present disclosure relates to a system and method implemented for lowering the number of fingerprints of fragments of a file added to the digital fingerprint library using a winnowing window method. The digital fingerprint library stores fingerprints of fragments of files matching certain criteria, e.g., containing protected information. When an unknown file is examined, that library is used to compare fingerprints of fragments of size N from the unknown file to the fingerprints stored in the library. The method automatically determines criteria for adding fingerprints to the digital fingerprint library or skipping them. |
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