Re: Encrypted Integrity Protected Data Packet, and MDC packet

Werner Koch <wk@gnupg.org> Tue, 25 July 2006 18:34 UTC

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From: Werner Koch <wk@gnupg.org>
To: <vedaal@hush.com>
Cc: <ietf-openpgp@imc.org>
Subject: Re: Encrypted Integrity Protected Data Packet, and MDC packet
References: <200607251618.k6PGIqFm061988@mailserver3.hushmail.com>
Organisation: g10 Code GmbH
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Date: Tue, 25 Jul 2006 19:45:29 +0200
In-Reply-To: <200607251618.k6PGIqFm061988@mailserver3.hushmail.com> (vedaal@hush.com's message of "Tue, 25 Jul 2006 12:18:51 -0400")
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On Tue, 25 Jul 2006 18:18, vedaal@hush.com said:

> it assumes that the hash used in these packets, is SHA-1
>
> is this a 'MUST',

Yes. To avoid rollback attacks.


Salam-Shalom,

   Werner