National Software Reference Library: Difference between revisions

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The '''National Software Reference Library''' (NSRL), a project of the [[National Institute of Standards and Technology]], is supported by the [[United States Department of Justice]]'s [[National Institute of Justice]], federal, state, and local law enforcement, and the [[National Institute of Standards and Technology]] to promote efficient and effective use of [[computer]] technology in the [[Digital forensics|forensic investigation]] of [[crime]]s involving computers.

==Reference Data Set==

The NSRL collects [[software]] from various sources and incorporatescomputes file[[message profiles computeddigest]]s from thisthem. softwareThe intodigests aare stored in the Reference Data Set (RDS) of information. The RDSwhich can be used to reviewidentify "known" files on adigital computer by matching file profiles in the RDSmedia. This will help alleviate much of the effort involved in determining which files are important as [[evidence]] on computers or file systems that have been seized as part of criminal investigations.<ref name="mead" />

The RDS is a collection of [[message digest]]s of known, traceable software applications. There are application [[hash function]] values in the hash set which may be considered malicious, i.e. [[steganography]] tools and [[hack (technology slang)|hacking]] scripts. NIST maintains a collection of original software media in order to provide repeatability of the calculated hash values, ensuring admissibility of this data in [[court]].

Reference Data Set Version 2.14, October 2006, has over 11 million unique [[SHA-1]], [[MD5]] and [[CRC32]] values. The [[data set]] is available at no cost to the public.

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==References==

{{reflist|refs=

<ref name="mead" >{{cite journal|author=Steve Mead|title=Unique file identification in the National Software Reference Library|journal=Digital Investigation|volume=3|issue=3|month=September|year=2006|pages=138-150|issn=1742-2876Zsoi=10.1016/j.diin.2006.08.010.|url=http://www.sciencedirect.com/science/article/B7CW4-4M645BK-2/2/bbb6f9b5e4d08b3767387411bb80915b}}</ref>

<ref name="cw">{{cite web|last=Verton|first=Dan|title=Feds Issue Test Copies of E-voting Software|url=http://www.computerworld.com/s/article/97070/Feds_Issue_Test_Copies_of_E_voting_Software|publisher=Computer World|accessdate=1 September 2010}}</ref>

}}