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Message-ID: <BLU0-SMTP106314AB1080C3033A6B717FDAB0@phx.gbl>
Date: Mon, 3 Sep 2012 21:08:45 +0200
From: Frank Dittrich <frank_dittrich@...mail.com>
To: john-dev@...ts.openwall.com
Subject: Re: How should one select PLAINTEXT_LENGTH in a format
On 08/23/2012 04:37 PM, Claudio André wrote:
> How do i choose a number to use as the maximum length of a plaintext
> password. 16, 24, 32, ...?
>
> Do you guys have a rule? Or, at least, advices?
In addition to what others suggested:
-IMHO it makes not much sense to support a maximum length which is
larger than what the software which uses the hash format supports
-it is a good idea to document the maximum plaintext length (in
bytes/and or charachers) supported by the software which uses the hash
format (if you are afraid that maximum length might change over time,
document the release you checked)
Frank
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