Difference between pages "Regimented Potential Incident Examination Report" and "Piecewise hashing"

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'''Piecewise hashing''' is a [[hashing]] technique to divide an input into chunks and hash each chunk separately. It was invented by [[Nick Harbour]] in [[dcfldd]] to improve the reliability of [[:Category:Disk Imaging|disk imaging]]. The theory was that if one chunk became corrupted, only the integrity of that chunk would be threatened. The piecewise hashes of the other chunks, which hadn't changed, could be used to prove their integrity.
The Regimented Potential Incident Examination Report ('''RPIER''' or '''RAPIER''') is script based [[Incident Response|incident response]] tool released under the [[:Category:GPL|GPL]] by [[Intel]]. It is a modular framework.
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== See Also ==
 
== See Also ==
 
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* [[Context Triggered Piecewise Hashing]]
[[List of Script Based Incident Response Tools]]
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== External Links ==
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* [http://code.google.com/p/rapier/ Official website]]
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* [http://groups.google.com/group/rapier-development?hl=en Google Discussion Group]]
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* [http://www.first.org/conference/2006/program/rapier_-_a_1st_responders_info_collection_tool.html Presentation at FIRST Conference 2006]
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[[Category:Incident response tools]]
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Revision as of 10:48, 20 December 2007

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Piecewise hashing is a hashing technique to divide an input into chunks and hash each chunk separately. It was invented by Nick Harbour in dcfldd to improve the reliability of disk imaging. The theory was that if one chunk became corrupted, only the integrity of that chunk would be threatened. The piecewise hashes of the other chunks, which hadn't changed, could be used to prove their integrity.

See Also