Gentoo Archives: gentoo-security

From: Alexandre Dubois <alex@×××××××.com>
To: gentoo-security@l.g.o
Cc: JeffG@×××××.com
Subject: Re: [gentoo-security] Boot CD for secure remote access
Date: Mon, 28 Nov 2005 14:57:52
Message-Id: 20051128145220.M44314@ividium.com
In Reply to: [gentoo-security] Boot CD for secure remote access by Jeff Gercken
1 > I've been chewing on this idea for a while and am hoping someone on
2 > the
3 list may help me with a concern.
4 >
5 > The notion is that big company B will distribute CDs to employees to
6 > use
7 for remotely accessing things like mail, corporate Intranet,
8 > etc. The
9 disk contains two bootable images. One is "normal" and
10 > is the first to
11 load. The second squashed image is encrypted in a
12 > manner that the first
13 image can decrypt.
14 >
15 > The first image loads, connects to Corp B and authenticates the
16 > user.
17 At that point the key to decrypt the second image is provided
18 > and the
19 computer chroots to the second image. This environment is
20 > considered
21 trusted and access is provided into Corp B.
22
23 Because the CD provided to all the users is encrypted with the same key, and
24 that this key is not session based, replay attacks are possible.
25
26 >
27 > This seems fairly straightforward but then why isn't anyone doing
28 > this
29 already? What haven't I considered?
30 >
31 > It's easy to use the word encryption but is much harder to make it
32 > work.
33 Any recommendations on projects I should look at that may be
34 > suitable
35 for this purpose?
36 >
37 > thanks,
38 > Jeff
39 >
40 > ________________________________
41 >
42 > Jeff Gercken <mailto:jeffg@×××××.com>
43 >
44 > 502-292-4838 office
45 >
46 > 502-292-5238 fax
47 >
48 > <http://www.kizan.com/> www.kizan.com <http://www.kizan.com/>
49
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51
52
53 --
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