linux-kernel - Re: [GIT PULL] Crypto keys and module signing

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4EE250E0.6090104@linux.intel.com>
Date:	Fri, 09 Dec 2011 10:18:08 -0800
From:	Arjan van de Ven <arjan@...ux.intel.com>
To:	David Howells <dhowells@...hat.com>
CC:	James Morris <jmorris@...ei.org>,
	linux-security-module@...r.kernel.org, keyrings@...ux-nfs.org,
	linux-kernel@...r.kernel.org, dmitry.kasatkin@...el.com,
	zohar@...ux.vnet.ibm.com, alan@...rguk.ukuu.org.uk
Subject: Re: [GIT PULL] Crypto keys and module signing

On 12/9/2011 10:06 AM, David Howells wrote:
> James Morris <jmorris@...ei.org> wrote:
> 
>> Is there any reason not to sign and verify kernel modules by default?
> 
> If you don't have an entropy source, your build can hang if it's waiting for
> gpg to generate a key.  You need to run rngd to get around this.

... the temp key can use /dev/urandom.
seriously, /dev/urandom for one time, temp keys is not bad
(if you care about the difference, you better provide your own real key)

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/