linux-kernel - Re: [PATCH v2 00/15] ima: digest list feature

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Message-ID: <CACdnJutBFhCpudkbE0uKx1Ja=p8NUrmTMnA+9F4Y7+a7ioE8jA@mail.gmail.com>
Date:   Tue, 7 Nov 2017 06:49:20 -0800
From:   Matthew Garrett <mjg59@...gle.com>
To:     Roberto Sassu <roberto.sassu@...wei.com>
Cc:     linux-integrity <linux-integrity@...r.kernel.org>,
        linux-security-module@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, silviu.vlasceanu@...wei.com
Subject: Re: [PATCH v2 00/15] ima: digest list feature

On Tue, Nov 7, 2017 at 2:36 AM, Roberto Sassu <roberto.sassu@...wei.com> wrote:
> Finally, digest lists address also the third issue because Linux
> distribution vendors already provide the digests of files included in each
> RPM package. The digest list is stored in the RPM header, signed by the
> vendor.

RPM's hardly universal, and distributions are in the process of moving
away from using it for distributing non-core applications (Flatpak and
Snap are becoming increasingly popular here). I think this needs to be
a generic solution rather than having the kernel tied to a specific
package format.