Messages in this thread |  | | Subject | Re: [reiserfs-dev] Re: Ext2 directory index: ALS paper and benchmarks | From | Jeremy Fitzhardinge <> | Date | 08 Dec 2001 10:02:02 -0800 |
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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
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