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Re: [Cfrg] existing KDFs and their uses

To: David McGrew <mcgrew at cisco.com>
Subject: Re: [Cfrg] existing KDFs and their uses
From: Hugo Krawczyk <hugo at ee.technion.ac.il>
Date: Thu, 22 Oct 2009 19:06:37 -0400
Cc: cfrg at irtf.org
Delivered-to: cfrg at core3.amsl.com
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References: <E1N0qZk-0007a6-2O at wintermute01.cs.auckland.ac.nz> <3AB03D25-328B-4595-855C-A75B92C89295 at cisco.com>
Sender: hugokraw at gmail.com

David, this work that you are doing in compiling usage scenarios and existing KDFs is VERY useful. Hopefully, you can put it as a separate document. I am very interested to know if there is anything, except passwords, for which plain HKDF is insufficient.

I am interested in applications that require the KDF to generate regular random keys rather than some structured elements (such as group elements that require dedicated group-specific techniques).

Thanks!

Hugo

Follow-Ups:
- Re: [Cfrg] existing KDFs and their uses
  - From: Dan Brown

References:
- Re: [Cfrg] existing KDFs and their uses
  - From: David McGrew

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