Data processing: database and file management or data structures – Data integrity
Reexamination Certificate
2007-04-05
2010-06-29
Wong, Don (Department: 2163)
Data processing: database and file management or data structures
Data integrity
C707S698000, C707S705000, C707S747000
Reexamination Certificate
active
07747582
ABSTRACT:
Surrogate hashing is described, including running a first hashing algorithm against a first portion of a first file to generate a first hash value, and running a second hashing algorithm against the first portion of the first file to generate a second hash value, determining whether the first hash value and the second hash value are substantially similar to one or more stored hash values associated with a second portion of a second file, wherein the second portion is identified by one or more attributes that are substantially similar to one or more corresponding attributes associated with the first portion, and identifying a location of the second file if the first hash value and the second hash value are substantially similar to the one or more stored hash values associated with the second portion of the second file.
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Datascout, Inc.
Thai Hanh B
Thomas Kayden Horstemeyer & Risley LLP
Wong Don
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