linux-kernel - Re: Should we automatically generate a module signing key at all?

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Message-ID: <5503.1432061449@warthog.procyon.org.uk>
Date:	Tue, 19 May 2015 19:50:49 +0100
From:	David Howells <dhowells@...hat.com>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	dhowells@...hat.com,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	keyrings@...ux-nfs.org,
	LSM List <linux-security-module@...r.kernel.org>
Subject: Re: Should we automatically generate a module signing key at all?

Andy Lutomirski <luto@...capital.net> wrote:

> No, in the hash tree variant, it really is 32 bytes.  No one ever
> needs the full list once the build is done.

Yes, you do.  You have to check the hash on the hash list or you can't trust
it.

David
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