From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 7CBD2198005 for ; Wed, 20 Mar 2013 14:15:37 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 8F2A3E064B; Wed, 20 Mar 2013 14:15:24 +0000 (UTC) Received: from mail-ie0-f180.google.com (mail-ie0-f180.google.com [209.85.223.180]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 49947E02C4 for ; Wed, 20 Mar 2013 14:15:22 +0000 (UTC) Received: by mail-ie0-f180.google.com with SMTP id a11so1895010iee.11 for ; Wed, 20 Mar 2013 07:15:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:message-id:date:from:user-agent:mime-version:to:subject :references:in-reply-to:x-enigmail-version:content-type; bh=7+HkMMbJMJcPrvtu/kRgHBhY73ldsGhkShJ7LZpbbHE=; b=RXTCO8pLYJdDlRT4EojediXFIX3Hqy4Pv+RpGqQgIu1zH+IwpagNRwUvwWQFPxS07x 9pvmAOC14u7njLzEEFDGhX3C2a2G7LyZc6lujsnTuwqt8X+raFT45Hl0+h1d/REU0WCE YlEPFbE4kCKiEbmWkCkvwNY9zEGK+bsvLHxFOM1+9i8AONsRru4ACNwaG5s6CGy1VcF2 qop8jQmf4rTgwiG6BPES/sjelFsqw2+oHKBKFZ4yUPUxFozHcfI4sY1YhSpre0Qy8FkH Lx9Honup8gDlK+7lydv6UmV9sdTRSb/c01ofwQq0QMU9gMneYqPTbPIdo9taF/0WhQNl rafQ== X-Received: by 10.50.17.131 with SMTP id o3mr4405526igd.112.1363788921649; Wed, 20 Mar 2013 07:15:21 -0700 (PDT) Received: from ?IPv6:2001:470:c5b9:beef:4eed:deff:fe93:63a0? ([2001:470:c5b9:beef:4eed:deff:fe93:63a0]) by mx.google.com with ESMTPS id uy13sm1953785igb.7.2013.03.20.07.15.20 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 20 Mar 2013 07:15:21 -0700 (PDT) Message-ID: <5149C474.7030005@gmail.com> Date: Wed, 20 Mar 2013 10:15:16 -0400 From: Michael Mol User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130222 Thunderbird/17.0.2 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] [OT] Time-lock USB stick References: <514925C3.8020900@gmail.com> <514977B2.4030408@hadt.biz> In-Reply-To: <514977B2.4030408@hadt.biz> X-Enigmail-Version: 1.5 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="----enig2BGQWWBPXUPHQIGRDCUTX" X-Archives-Salt: 1247ad33-c2aa-4d95-9afe-46eaa2b5350c X-Archives-Hash: 94d9af4f3017b0e908ad5a030f58b358 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) ------enig2BGQWWBPXUPHQIGRDCUTX Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 03/20/2013 04:47 AM, Michael Hampicke wrote: > Am 20.03.2013 03:58, schrieb Michael Mol: >> Does anybody know of time lock flash drives? >> >> The scenario I'm looking at is to have a drive that's only accessible >> for a certain amount of time after being powered on. It would hold >> crypto keys in a server context. >> >=20 > I am no expert on embedded systems, but couldn't you achieve something > like this by using a small dev board with like an Atmel controller? > Which you then program to act like an USB stick? >=20 We discussed using a simple RC timer to cut power to the device after a certain amount of uptime, but if I pointed out that if we were spend the time going to that trouble, we may as well go whole-hog and add built-in encryption and make money off the thing. I think the grab-data-and-eject solution is probably the best for our purposes. ------enig2BGQWWBPXUPHQIGRDCUTX Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJRScR2AAoJED5TcEBdxYwQGRoIAIG/vgnqhEMvmTI/o5Ub64cZ VnugNFLHtU6b0Z549CW2AD6cVLO64m+mtDejQg3WiQmYQDIpZKK40DApSDHH7N77 zKrZgMU6qcALoV1D6wT/ldoU9ciFfz1drG2LLtm1yQgYBvkJn3lsK+h9K1QhAYEr iYs0CyF9/XOpGkg8rmxp1/1aOO31WBfjumL68+CYZKkJTGUme+NUcZVjCzEnGpUR 2ZsGMzbF7ry4tDUiGouOe19QPd/UFLwOcwnfy1DIb1tPQ9pnTI7RLDSh56TBI9LH MV9C1h31VxOOojbdZda9OOrA/rOpoCNDGdTynXxp13wqg/r1I3vHX6tdwBwl1ek= =YJBq -----END PGP SIGNATURE----- ------enig2BGQWWBPXUPHQIGRDCUTX--