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| Subject: | RE: Drive hashing-when is it *really* necessary? |
|---|---|
| Date: | Thu, 24 Mar 2005 13:22:53 -0500 |
From FBI testimony regarding the Moussaui investigation in 2001:
"Because SafeBack and the Logicube SFK-000A hand-held disk duplicator have been validated by CART as computer forensic imaging tools reliably capable of producing verifiable results, and because SafeBack and the Logicube SFK-000A incorporate reliable internal CRC verification techniques, CART procedures do not require examiners to generate separate MD5 or SH-1 hashes for computers imaged using SafeBack or Logicube SFK-000A disk duplicator." The FBI relies on validation testing, and their explanation in the full testimony to me is very persuasive; especially for high volume scenarios: http://homepage.cs.uri.edu/courses/hpr108b/readings/MD5_case.html Jeff -----Original Message----- From: Matteo G.P. Flora [mailto:flora@alvillage.com] Sent: Thursday, March 24, 2005 11:07 AM To: forensics@securityfocus.com Subject: Re: Drive hashing-when is it *really* necessary? <snip> That doesn't mean that hashing IS a must. It certainly IS the BEST WAY to do it, but not the only one. Hardware blockers, for example, by major firms have been certified by NSA & various agencies and these certification ARE legally sound. </snip> ----------------------------------------------------------------- This list is provided by the SecurityFocus ARIS analyzer service. For more information on this free incident handling, management and tracking system please see: http://aris.securityfocus.com
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