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From: David Howells <dhowells@redhat.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: James Bottomley <James.Bottomley@hansenpartnership.com>,
	Luis Rodriguez <mcgrof@gmail.com>,
	"ksummit-discuss@lists.linuxfoundation.org"
	<ksummit-discuss@lists.linuxfoundation.org>,
	Kyle McMartin <jkkm@jkkm.org>
Subject: Re: [Ksummit-discuss] [TECH TOPIC] Firmware signing
Date: Wed, 12 Aug 2015 23:39:58 +0100	[thread overview]
Message-ID: <13213.1439419198@warthog.procyon.org.uk> (raw)
In-Reply-To: <CALCETrWPp3YW-b0=YxxntaMsc3eF_+rP-U4AT3JhWbEHj=Lzcw@mail.gmail.com>

Andy Lutomirski <luto@amacapital.net> wrote:

> 1.5K?  I'm talking about an actual raw public key, which is 65 bytes
> or less in reasonable implementations.  (64 or 65 bytes for P-256
> depending on encoding and 32 bytes for compressed schemes like EdDSA.)

Various bodies that define security criteria with which one must comply to be
able to supply software mandate key lengths of at least 2048 bits - that is
min 256 bytes.

But yes, we could even take a raw public key and just fill in a public_key
structure for it and then use it.

David

  parent reply	other threads:[~2015-08-12 22:40 UTC|newest]

Thread overview: 86+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-28 13:36 David Howells
2015-07-28 14:23 ` David Woodhouse
2015-07-28 16:55   ` Luis R. Rodriguez
2015-07-28 15:10 ` James Bottomley
2015-07-28 15:22   ` Andy Lutomirski
2015-07-28 15:31     ` James Bottomley
2015-07-28 16:05       ` Andy Lutomirski
2015-07-28 16:10         ` James Bottomley
2015-07-28 16:15           ` David Woodhouse
2015-07-28 16:35             ` Andy Lutomirski
2015-07-28 16:44             ` David Howells
2015-07-28 17:03               ` Andy Lutomirski
2015-07-28 19:19                 ` David Woodhouse
2015-07-28 19:31                   ` Andy Lutomirski
2015-07-28 19:43                     ` David Woodhouse
2015-07-28 22:03                     ` James Bottomley
2015-08-11 20:24                     ` David Howells
2015-08-11 21:56                       ` Andy Lutomirski
2015-08-11 22:03                         ` Luis R. Rodriguez
2015-08-12 18:22                       ` David Howells
2015-08-12 18:45                         ` David Woodhouse
2015-08-12 19:09                           ` Andy Lutomirski
2015-08-12 19:15                             ` James Bottomley
2015-08-12 19:25                               ` Andy Lutomirski
2015-08-12 19:43                                 ` James Bottomley
2015-08-12 19:45                                   ` Andy Lutomirski
2015-08-12 19:59                                     ` James Bottomley
2015-08-13  7:03                                       ` Jan Kara
2015-08-13 14:01                                         ` James Bottomley
2015-08-12 22:46                           ` David Howells
2015-08-12 22:51                             ` Andy Lutomirski
2015-08-12 19:06                         ` Andy Lutomirski
2015-08-12 22:39                         ` David Howells [this message]
2015-08-12 22:45                           ` Andy Lutomirski
2015-08-12 22:45                         ` David Howells
2015-08-12 22:47                           ` Andy Lutomirski
2015-07-28 16:18   ` David Howells
2015-07-28 16:42     ` James Bottomley
2015-07-28 17:05       ` Andy Lutomirski
2015-07-28 17:09         ` James Bottomley
2015-07-28 17:10           ` Andy Lutomirski
2015-07-29  2:00         ` James Morris
2015-07-28 16:58   ` Josh Boyer
2015-07-28 15:12 ` David Woodhouse
2015-07-28 18:47   ` Peter Jones
2015-07-28 19:14   ` David Howells
2015-07-28 19:52     ` Peter Jones
2015-07-28 16:17 ` David Howells
2015-07-28 16:59   ` James Bottomley
2015-07-28 19:11   ` David Howells
2015-07-28 19:34     ` Luis R. Rodriguez
2015-07-28 21:53     ` James Bottomley
2015-07-28 22:39     ` David Howells
2015-07-28 22:44       ` Andy Lutomirski
2015-07-29  8:39         ` David Woodhouse
2015-07-28 18:36 ` josh
2015-07-28 18:44   ` James Bottomley
2015-07-28 18:54     ` josh
2015-07-28 19:06       ` Luis R. Rodriguez
2015-07-28 21:38       ` Greg KH
2015-07-28 23:59         ` josh
2015-07-29  0:17           ` Greg KH
2015-07-29  9:37         ` David Woodhouse
2015-07-29 15:00           ` James Bottomley
2015-07-29 15:35             ` David Woodhouse
2015-07-29 16:38               ` James Bottomley
2015-07-29 17:32                 ` David Woodhouse
2015-07-29 23:39                   ` James Bottomley
2015-07-30  8:08                     ` David Woodhouse
2015-07-30 13:48                       ` James Bottomley
2015-07-30 14:21                         ` Heiko Stübner
2015-07-30 14:30                           ` James Bottomley
2015-07-30 15:01                         ` David Woodhouse
2015-07-30 16:17                           ` James Bottomley
2015-07-30 19:17                             ` David Woodhouse
2015-07-31 14:41                               ` Theodore Ts'o
2015-07-31 16:14                                 ` Tim Bird
2015-07-31 17:25                                   ` David Woodhouse
2015-07-30 16:24                           ` Tim Bird
2015-07-29 16:35             ` Josh Triplett
2015-07-29  8:29       ` David Woodhouse
2015-07-29 11:57       ` Mark Brown
2015-07-29 12:02         ` David Woodhouse
2015-07-29 12:24           ` Mark Brown
2015-07-28 19:23   ` David Woodhouse
2015-07-28 19:19 ` David Howells

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