OpenSSH Keys and Putty

[jabr at blu.org (John Abreau)]

Jon <ghia at ccs.neu.edu> writes:

> Thanks to everyone who replied.  I gave up on trying to use one key.  I
> made a seperate key pair for putty and comercial SSH.  
> 
> Putty allows you to copy the key in OpenSSH format right from the puttygen
> program.  For comercial SSH I had to do the following:
> 
> $ ssh-keygen -i -f rsa_putty.pub >> .ssh/authorized_keys 
> 
> Passwords are turned off and my firewall is happy now... thanks again.

It's important to note that putty uses the ssh v1 protocol, which has
a major flaw in its CRC calculation. Because of this, the v1 protocol
isn't any more secure than telnet. 

My personal preference is to use OpenSSH everywhere. When I have to use
Windows, I install the cygwin tools, which includes OpenSSH and also has 
XFree86 as an extra add-on.


-- 
John Abreau / Executive Director, Boston Linux & Unix 
ICQ 28611923 / AIM abreauj / JABBER jabr at jabber.org / YAHOO abreauj
Email jabr at blu.org / WWW http://www.abreau.net / PGP-Key-ID 0xD5C7B5D9
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