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Re: SHA1 showing it's age

Subject: Re: SHA1 showing it's age
Date: 17 Feb 2005 12:45:53 -0000
In-Reply-To: <83eea6c0aec0bd663f49f7600faeed6d@mac.com>

Matt,

For our field it's a strategic concern, not a tactical one.

Very well said, indeed!  

In our field, too often, very smart people will come running into the room with 
their hair on fire, screaming that SHA-1 or MD-5 are broken.  Yet, when they 
are asked how that affects what we do, they very often return blank stares.

You're correct...what are the chances that an arbitrary file can be constructed 
to have both the same MD-5 and SHA-1 hashes as the file it's replacing, be the 
same size, and still be able to do something useful to for the attacker?

H. Carvey
"Windows Forensics and Incident Recovery"
http://www.windows-ir.com
http://windowsir.blogspot.com

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