CRCs and passphrase hashing

Leichter, Jerry leichter_jerrold at emc.com
Wed Aug 30 10:30:42 EDT 2006


Look up the paper "Fingerprinting by random polynomials" by Michael Rabin.

							-- Jerry

On Fri, 25 Aug 2006, Travis H. wrote:

| Date: Fri, 25 Aug 2006 20:12:30 -0500
| From: Travis H. <solinym at gmail.com>
| To: Cryptography <cryptography at metzdowd.com>
| Subject: CRCs and passphrase hashing
| 
| Howdy!
| 
| I was talking to Terry Ritter, and he was explaining to me that when
| he needed to make some keys from a user-supplied passphrase, he
| computed various CRCs over the passphrase, and used those as derived
| keys.  I'd like to know more about it, and I was wondering if anyone
| knew of any work that addressed the strength of this kind of
| passphrase preprocessing.  Forgive me for not being able to hit the
| ground running after reading the explanation from mathworld, as I
| don't have a degree in discrete math.
| -- 
| "If you're not part of the solution, you're part of the precipitate."
| Unix "guru" for rent or hire -><- http://www.lightconsulting.com/~travis/
| GPG fingerprint: 9D3F 395A DAC5 5CCC 9066  151D 0A6B 4098 0C55 1484
| 
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