[ale] SSH

Joe Knapka jknapka at charter.net
Tue Dec 28 19:46:45 EST 1999


ssh-keygen generates both public and private RSA keys. As I
understand it, the client and server exchange RSA public keys,
and use RSA to authenticate one another and agree on a secret
session key. The session key is used to encrypt all other
traffic, in whatever cryptosystem the client and server
have agreed on (DES, Blowfish, or whatever).

Have a look at  

http://www.rsasecurity.com/rsalabs/faq/sections.html

It's got a lot of info about cryptography in general, and it's
pretty accessible.

-- Joe

Chris Fowler wrote:
> 
> I have created a key using ssh-keygen and have executed sshd.  I
> successfully connected using putty (ssh and telnet client for winblows).  Is
> my session encrypted that easily?  Can someone give me a laymen explanation
> as to what happens upon connections that enables the encryption?
> 
> Thanks,
> Chris
> 
> -----Original Message-----
> From: Dave Brooks [mailto:dbrooks at elysium.comstar.net]
> Sent: Tuesday, December 28, 1999 4:21 PM
> To: Chris Fowler
> Subject: Re: [ale] SSH
> 
> Nope.  I don't know how useable it is yet for other platforms,
> but on my OpenBSD 2.6 box it seems to work fine (which is the OS
> it was developed for).  It maintains full ssh1 compatibility.
> 
> -Dave
> 
> On Tue, Dec 28, 1999 at 03:32:16PM -0500, Chris Fowler wrote:
> >Does the ssh that has been released at http://www.openssh.org require a
> >digital certificate from someone such as Verisign?
> >
> >Thanks,
> >Chris
> >--
> >To unsubscribe: mail majordomo at ale.org with "unsubscribe ale" in message
> body.
> 
> --
> david a. brooks
> dbrooks at comstar.net
> systems engineer
> comstar.net, inc.
> voice: .. 770/485-6029
> pager: .. 770/213-6133
> --
> To unsubscribe: mail majordomo at ale.org with "unsubscribe ale" in message body.

-- Joe Knapka
* What happens when a mysterious force meets an inscrutable object?
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