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Date:      Tue, 11 Jul 2000 21:05:40 +0200
From:      Harold Gutch <logix@foobar.franken.de>
To:        Brett Glass <brett@lariat.org>, Dave <dave@dugard.org>, security@FreeBSD.ORG
Subject:   Re: OpenSSH in 4.0 doesn't seem to work out of the box
Message-ID:  <20000711210540.B17911@foobar.franken.de>
In-Reply-To: <4.3.2.7.2.20000711002012.00e7cd80@localhost>; from Brett Glass on Tue, Jul 11, 2000 at 12:25:53AM -0600
References:  <4.3.2.7.2.20000710221547.043d0e60@localhost> <Pine.BSF.4.21.0007110029360.8054-100000@penry.dugard.org> <4.3.2.7.2.20000711002012.00e7cd80@localhost>

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On Tue, Jul 11, 2000 at 12:25:53AM -0600, Brett Glass wrote:
> I need to come in from some Windows workstations, and have tried Igaly 
> SSH and Tera Term with the SSH module. (The latter has MUCH better terminal 
> emulation than the former.) Neither can get through; I get lots of console
> error messages but no successful login. Making Blowfish the preferred
> cipher doesn't seem to help.
> 
> --Brett
> 
> P.S. -- I've always wondered why El Gamal wasn't one of the encryption
> options, since it's unencumbered and already used in PGP.

The ElGamal encryption algorithm I know of doubles the size of
the plaintext;  that's not really a problem with PGP, since the
actual encryption algorithm uses a private key, which is
transferred after being encrypted with a public key algorithm.

If you would want to encrypt the whole session using ElGamal, you
would double the amount of data being transferred.  Also ElGamal
should be fairly slow (that's just a guess), therefore in
practice it isn't usable for much more than a key-exchange or the
encryption of short messages.


bye,
  Harold

-- 
Someone should do a study to find out how many human life spans have
been lost waiting for NT to reboot.
              Ken Deboy on Dec 24 1999 in comp.unix.bsd.freebsd.misc


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