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Re: [Monotone-devel] netsync transport encryption?
From: |
Dirk Hillbrecht |
Subject: |
Re: [Monotone-devel] netsync transport encryption? |
Date: |
Wed, 25 Oct 2006 14:28:56 +0200 |
User-agent: |
Thunderbird 1.5.0.7 (X11/20060911) |
Hi,
Cem Karan wrote:
> Poking through the Botan sources, I saw that it supports AES all the
> way through 256 bit keys, and there seems to be support for the
> various modes of encryption (CBC, CFB, etc.), so once the session keys
> are setup, the rest should be pretty easy. [...]
The question is what you want: Encryption or authentication. If you want
a full-blown authentication, than a public key scheme as outlined is
needed. If you, however, only want an encrypted connection (and
authenticate the remote site by other means), then a simple
Diffie-Hellman-key-exchange at the beginning would be sufficient for
setting up the symmetric key. Diffie-Hellman allows to create a secret
session key between two parties through an unencrypted connection
without any third person being able to steal the key - even if that Eve
listens to the complete data traffic. Pretty slick.
Best regards,
Dirk
--
--- Dirk Hillbrecht, cantamen GmbH --- address@hidden
--- Odeonstraße 3, 30159 Hannover, http://www.cantamen.de
--- Tel.: +49/511/5902626-0, Fax: +49/511/5902626-4
- Re: [Monotone-devel] netsync transport encryption?, (continued)
- Re: [Monotone-devel] netsync transport encryption?, Brian May, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Richard Levitte - VMS Whacker, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Nathaniel Smith, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Richard Levitte - VMS Whacker, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Cem Karan, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Richard Levitte - VMS Whacker, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?,
Dirk Hillbrecht <=
- Re: [Monotone-devel] netsync transport encryption?, Richard Levitte - VMS Whacker, 2006/10/25
- [Monotone-devel] Re: netsync transport encryption?, Bruce Stephens, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Jeronimo Pellegrini, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Ulf Ochsenfahrt, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, jp+mtn, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Ulf Ochsenfahrt, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Chad Walstrom, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Jeronimo Pellegrini, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Jeronimo, 2006/10/25
- Re: [Monotone-devel] netsync transport encryption?, Ulf Ochsenfahrt, 2006/10/25