lkml.org 
[lkml]   [2001]   [Dec]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [reiserfs-dev] Re: Ext2 directory index: ALS paper and benchmarks
From
Date
On Fri, 2001-12-07 at 07:51, Daniel Phillips wrote:
> I did try R5 in htree, and at least a dozen other hashes. R5 was the worst
> of the bunch, in terms of uniformity of distribution, and caused a measurable
> slowdown in Htree performance. (Not an order of magnitude, mind you,
> something closer to 15%.)

Did you try the ReiserFS teahash? I wrote it specifically to address
the issue you mentioned in the paper of an attacker deliberately
generating collisions; the intention was that each directory (or maybe
filesystem) have its own distinct hashing key.

J

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:18    [W:0.142 / U:5.432 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site