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Date: Sat, 13 Dec 2014 13:19:38 +0800
From: Ben Harris <>
Subject: Re: [PHC] How important is salting really?

On 13 December 2014 at 11:00, Steve Thomas <> wrote:

> P.S. MD5("deliciously-salty-" || pw) is from an infamous article that gets
> salt
> wrong :). It's near the top of Google when searching for rainbow tables.

Joking aside, if you have a unique "deliciously-salty-", truncate the MD5
to 24 bits, and implement a good rate limiting system you'd probably have a
pretty secure system. Good enough against online attacks, but not so good
that you are giving up someone's password if you leak hashes. [weak
passwords are still weak, and leaks from multiple sources for the same UID
would eventually give up a password]

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