National Software Reference Library: Difference between revisions

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|website = http://www.nsrl.nist.gov/

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The '''National Software Reference Library''' (NSRL), is a project of the [[National Institute of Standards and Technology]] (NIST) which maintains a repository of known software, file profiles and file signatures for use by law enforcement and other organizations involved with computer forensic investigations. The project is supported by the [[United States Department of Justice]]'s [[National Institute of Justice]], the [[Federal Bureau of Investigation]] (FBI), [[Defense Computer Forensics Laboratory]] (DCFL), the [[U.S. Customs Service]], software vendors, and state and local law enforcement.<ref name=NSRL-RDS>{{cite web|title=NIST Special Database 28 (RDS)|url=httphttps://www.nist.gov/srd/nistsd28.cfm|work=National Software Reference Library (NSRL)|date=27 August 2010 |publisher=[[National Institute of Standards and Technology]]|accessdate=7 April 2012}}</ref> It also provides a research environment for computational analysis of large sets of files.<ref>{{cite web|last1=White|first1=Doug|last2=Owens|first2=Trevor|title=Life-Saving: The National Software Reference Library|url=https://blogs.loc.gov/digitalpreservation/2012/05/life-saving-the-national-software-reference-library/|website=The Signal: The Library of Congress Digital Preservation Blog|publisher=The Library of Congress|accessdate=16 January 2016|date=May 4, 2012}}</ref>

==Components==

The NSRL is made up of three major elements:<ref name="mead" />

# A large physical collection of commercial software packages (e.g., [[operating systems]], off-the-shelf application software);

# A database containing detailed information, or [[metadata]], about each file that makes up each of those software packages;

# A smaller public dataset containing the most widely- used metadata for each file in the collection that is published and updated quarterly. This is called the ''Reference Data Set''.

==Reference Data Set==

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The collection of original software media is maintained in order to provide repeatability of the calculated hash values, ensuring admissibility of this data in [[court]].

In 2004 the NSRL released a set of hashes for verifying [[eVoting]] software, as part of the US [[Election Assistance Commission]]'s Electronic Voting Security Strategy.<ref name="cw" />

As of JuneOctober 1, 20102013 the Reference Data Set is at version 2.2942 and contains over 1733.9 million unique hash values. The [[data set]] is available at no cost to the public.<ref name="readme" />

In addition to operating system and application software, the library has also collected numerous popular video game titles to be used both as part of data forensics, as well as partially to serve as [[video game preservation]].<ref>{{cite web | url = https://www.gamesindustry.biz/articles/2018-09-11-nist-adds-gaming-software-to-national-software-reference-library | title = NIST adds gaming software to National Software Reference Library | first = Rebekah | last = Valentine | date = September 10, 2018 | accessdate = September 10, 2018 | work = [[GamesIndustry.biz]] }}</ref>

==See also==

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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|monthdate=September|year= 2006|pages=138–150|issn=1742-2876Zsoi=10.1016/j.diin.2006.08.010. 2876|url=http://www.nsrl.nist.gov/documents/analysis/draft-060530.pdf |doi=10.1016/j.diin.2006.08.010|s2cid=17079984 }}</ref>

<ref name="readme">{{cite web|archiveurl=https://web.archive.org/web/20131106001259/http://www.nsrl.nist.gov/RDS/rds_2.42/READ_ME.txt|archivedate=6 November 2013|url=http://www.nsrl.nist.gov/RDS/rds_2.2942/READ_ME.txt|title=RDS Readme.txt|accessdate=1 SeptemberOctober 20102013}}</ref>

<ref name="cw">{{cite web|last=Verton|first=Dan|title=Feds Issue Test Copies of E-voting Software|date=November 2004 |url=http://www.computerworld.com/s/article/97070/Feds_Issue_Test_Copies_of_E_voting_Software|publisher=Computer World|accessdate=1 September 2010}}</ref>

}}

==External links==

* {{official website|http://www.nsrl.nist.gov/}}

{{Digital forensics}}

[[Category:United States Department of Commerce]]

[[Category:National Institute of Standards and Technology]]

[[Category:Digital forensics organisationsorganizations]]

{{Digital forensics}}