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Date: Sat, 22 Mar 2014 09:57:09 +0100
From: Krisztián Pintér <>
Subject: Re: [PHC] Transforming hash to different cost setting

Jeremi Gosney (at Saturday, March 22, 2014, 8:46:40 AM):
> These are not hard requirements, they are simply critera that will be
> evaluated in each candidate. You may choose not to support a particular
> feature in your design.

so far, i have heard only one reason for offline cost upgrade, and it
is the problem of abandoned passwords. however, for that problem, we
have the obvious solution of simply deleting old passwords.

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