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Network Security Secure-Shell
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Re: Using public key pair to authenticate

from [Greg Wooledge] Network Security [Permanent Link]
Subject: Re: Using public key pair to authenticate
Date: Wed, 24 Nov 2004 08:03:21 -0500 
On Tue, Nov 23, 2004 at 04:57:33PM -0700, Loo, Peter wrote:

I am working with two Unix servers running AIX 5.2.  One server is
running "OpenSSH_3.6.1p2-CERT-patched, SSH protocols 1.5/2.0, OpenSSL
0x009060df" while the other is running "SSH Secure Shell 3.2.0".

I created the key pair on the server with OpenSSH using "ssh-keygen".

[...]

OpenSSH and SSH.Com have different key file formats.  You must use
ssh-keygen to convert from one to the other.

If you use OpenSSH's ssh-keygen(1) to do the conversion, you probably
want to use the -e option.  I have no idea what the corresponding option
is for SSH.Com's implementation.


named the output files as (identity & identity.pub).  Then I copied the
contents of "identity.pub" to the file named authorized_keys on the
server with "SSH Secure Shell 3.2.0".  


Sounds like you built an rsa1 type keypair.  That's not going to work
very well with an SSH2 server.  Try this instead:  ssh-keygen -t rsa

(No, I have no idea why OpenSSH is defaulting to type rsa1.)
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