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Date: Wed, 18 Nov 1998 15:34:54 -0500
To: Brandon Huey <bh@synergy.transbay.net>,
        Gary Schrock <root@eyelab.psy.msu.edu>
From: Gary Schrock <root@eyelab.psy.msu.edu>
Subject: Re: Backing up via rdump using ssh
Cc: Doug White <dwhite@resnet.uoregon.edu>, miker@scifair.acadiau.ca,
        freebsd-questions@FreeBSD.ORG
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At 12:38 PM 11/18/98 -0800, Brandon Huey wrote:
> 
>ssh's default cipher _is_ blowfish.

According to the man page, the default is idea:
       -c idea|des|3des|blowfish|arcfour|none
              Selects  the  cipher to use for encrypting the ses-
              sion.  idea is used by default.  It is believed  to
              be  secure.   des  is the data encryption standard,
              but is breakable  by  governments,  large  corpora-
              tions,  and  major  criminal  organizations.   3des
              (triple-des) is encrypt-decrypt-encrypt triple with
              three different keys.  It is presumably more secure
              than DES.  It is used as default if both  sites  do
              not  support IDEA.  blowfish is an encryption algo-
              rithm invented by Bruce Schneier.  It uses 128  bit
              keys.   arcfour  is  an  algorithm published in the
              Usenet News in 1995.  This algorithm is believed to
              be  equivalent  with  the  RC4 cipher from RSA Data
              Security (RC4 is a trademark of RSA Data Security).
              This  is the fastest algorithm currently supported.

Gary Schrock
root@eyelab.msu.edu


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