[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]

Re: [tor-talk] [Cryptography] 1024 bit DH still common in Tor network

To: "tor-talk@xxxxxxxxxxxxxxxxxxxx" <tor-talk@xxxxxxxxxxxxxxxxxxxx>
Subject: Re: [tor-talk] [Cryptography] 1024 bit DH still common in Tor network
From: Nick Mathewson <nickm@xxxxxxxxxxxx>
Date: Fri, 6 Sep 2013 22:28:22 -0400
Delivered-to: archiver@xxxxxxxx
Delivery-date: Fri, 06 Sep 2013 22:41:45 -0400
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:content-type; bh=gi/6c6uBcNptX7kVG4kPTz0+NOSRVwNCqVRkXD/hw80=; b=sBSYxk7VlDnFxMQuP1FfLawl6ewf6L+A6WDb+1sXyVAhCyWz+bG0fPyXBwqxIhbwgo Ois7xhYMSzsffyA/vG8JOZCHOpw6cgLezxdbEqzDqQmu9ZNQ/Acg8RsamssYvnZe7/im hHNEzHgQPYjbChG/HhOmf7fPkPv1EoKvH4ndG3CcMVC6ZK9XFkXE+880JTOV5lkRndUg D5gszpeuvICyyIXmU2ze1/XwmseLNEkYnbzF2rU4se41EUsECn7DamE2rTKaoT1EA7hx sN1mE5HXWXdkIp5WUYgyumMIW3vcerhioTIOaYODox3ZzsZYjdRKkt62R0j0vrXz+MAD I8YA==
In-reply-to: <20130906203518.GP29404@xxxxxxxxx>
List-archive: <http://lists.torproject.org/pipermail/tor-talk/>
List-help: <mailto:tor-talk-request@lists.torproject.org?subject=help>
List-id: "all discussion about theory, design, and development of Onion Routing" <tor-talk.lists.torproject.org>
List-post: <mailto:tor-talk@lists.torproject.org>
List-subscribe: <https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-talk>, <mailto:tor-talk-request@lists.torproject.org?subject=subscribe>
List-unsubscribe: <https://lists.torproject.org/cgi-bin/mailman/options/tor-talk>, <mailto:tor-talk-request@lists.torproject.org?subject=unsubscribe>
References: <20130906203518.GP29404@xxxxxxxxx>
Reply-to: tor-talk@xxxxxxxxxxxxxxxxxxxx
Sender: "tor-talk" <tor-talk-bounces@xxxxxxxxxxxxxxxxxxxx>

On Fri, Sep 6, 2013 at 4:35 PM, Eugen Leitl <eugen@xxxxxxxxx> wrote:
> ----- Forwarded message from "Perry E. Metzger" <perry@xxxxxxxxxxxx> -----
>
> Date: Fri, 6 Sep 2013 16:34:10 -0400
> From: "Perry E. Metzger" <perry@xxxxxxxxxxxx>
> To: cryptography@xxxxxxxxxxxx
> Subject: [Cryptography] 1024 bit DH still common in Tor network
> X-Mailer: Claws Mail 3.9.0 (GTK+ 2.24.20; x86_64-apple-darwin12.4.0)
>
> Summary: blog posting claims most of the Tor network is still running
> older software that uses 1024 bit Diffie-Hellman.
>
> http://blog.erratasec.com/2013/09/tor-is-still-dhe-1024-nsa-crackable.html
>
> I'm not sure how cheap it actually would be to routinely crack DH key
> exchanges, but it does seem like it would be valuable for
> most Tor nodes to be running newer software anyway.

Yup.  Please upgrade, people.  0.2.4 is looking pretty good right now,
and I'd recommend it strongly over 0.2.3 or a variety of reasons, not
limited to this.

yrs,
-- 
Nick
-- 
tor-talk mailing list - tor-talk@xxxxxxxxxxxxxxxxxxxx
To unsusbscribe or change other settings go to
https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-talk

Follow-Ups:
- Re: [tor-talk] [Cryptography] 1024 bit DH still common in Tor network
  - From: Martin Skjöldebrand

References:
- [tor-talk] [Cryptography] 1024 bit DH still common in Tor network
  - From: Eugen Leitl

Prev by Author: Re: [tor-talk] NSA has cracked web encryption!
Next by Author: Re: [tor-talk] NIST approved crypto in Tor?
Previous by thread: [tor-talk] [Cryptography] 1024 bit DH still common in Tor network
Next by thread: Re: [tor-talk] [Cryptography] 1024 bit DH still common in Tor network
Index(es):
- Author
- Thread