[147945] in cryptography@c2.net mail archive
Re: [Cryptography] What's a Plausible Attack On Random Number
daemon@ATHENA.MIT.EDU (Jerry Leichter)
Fri Nov 1 13:51:23 2013
X-Original-To: cryptography@metzdowd.com
From: Jerry Leichter <leichter@lrw.com>
In-Reply-To: <52738ACD.6030502@gmail.com>
Date: Fri, 1 Nov 2013 10:21:14 -0400
To: Yaron Sheffer <yaronf.ietf@gmail.com>
Cc: "cryptography@metzdowd.com List" <cryptography@metzdowd.com>,
John Gilmore <gnu@toad.com>, David Mercer <radix42@gmail.com>
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com
On Nov 1, 2013, at 7:04 AM, Yaron Sheffer <yaronf.ietf@gmail.com> wrote:
> It sounds like a quick addition to DHCP - an extension that gets you 256 bits from the server, would solve 99% of the problem we have with embedded devices. It will not be sufficient for high-security environments, because an attacker might be listening on the local LAN....
Ahem. This is *exactly* the kind of reasoning I started this thread to investigate. (Though I certainly agree that a *single* DHCP packet containing a random bit string is easily attacked.)
-- Jerry
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