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keys not recognized in Unixware --> RedHat Connection Sep 25 2008 08:51PM
COHEN, STEVEN M (ATTSI) (sc1478 att com) (2 replies)
I am trying to connect via ssh from a box running UnixWare 5 7.1.3 which has
OpenSSH installed at version OpenSSH_5.0p1, OpenSSL 0.9.8g 19 Oct 2007 to a
box running
Linux 2.6.9-78.0.1.EL #1 Tue Jul 22 17:50:01 EDT 2008 which has OpenSSH
installed at version OpenSSH_3.9p1, OpenSSL 0.9.7a Feb 19 2003.

I find that the keys generated on the Unixware box are not accepted on the
Linux box. This authentication always fails and I am forced to type the
passphrase in every time.

I did the following (using non-standard key name since I did not want to
mess up existing connectivity):

$ ssh-keygen -t dsa -f id_dsa2
Generating public/private dsa key pair.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in id_dsa2.
Your public key has been saved in id_dsa2.pub.
The key fingerprint is: ...

Then, I copied id_dsa2.pub to the Linux box.

and did the following on that box

$ mv authorized_keys authorized_keys.bak
$ cp id_dsa2.pub authorized_keys

Then, back on unixware box, I do the following

$ ssh -v -i id_dsa2 ip2
OpenSSH_5.0p1, OpenSSL 0.9.8g 19 Oct 2007
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Connecting to ip2 [xx.xx.xx.xx] port 22.
debug1: Connection established.
debug1: identity file id_dsa2 type 2
debug1: Remote protocol version 2.0, remote software version OpenSSH_3.9p1
debug1: match: OpenSSH_3.9p1 pat OpenSSH_3.*
debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_5.0
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-cbc hmac-md5 none
debug1: kex: client->server aes128-cbc hmac-md5 none
debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
debug1: Host 'ip2' is known and matches the RSA host key.
debug1: Found key in /home/myusername/.ssh/known_hosts:3
debug1: ssh_rsa_verify: signature correct
debug1: SSH2_MSG_NEWKEYS sent
debug1: expecting SSH2_MSG_NEWKEYS
debug1: SSH2_MSG_NEWKEYS received
debug1: SSH2_MSG_SERVICE_REQUEST sent
debug1: SSH2_MSG_SERVICE_ACCEPT received
debug1: Authentications that can continue: publickey
debug1: Next authentication method: publickey
debug1: Offering public key: id_dsa2
debug1: Server accepts key: pkalg ssh-dss blen 433
debug1: PEM_read_PrivateKey failed
debug1: read PEM private key done: type <unknown>
Enter passphrase for key 'id_dsa2':
debug1: No more authentication methods to try.
Permission denied (publickey).

If I had entered my passphrase I would have gotten in.

Can someone explain why this happens?

Steve Cohen
Technical Architect
AT&T Relay Services

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[ reply ]
Re: keys not recognized in Unixware --> RedHat Connection Sep 26 2008 12:16PM
Greg Wooledge (wooledg eeg ccf org)
Re: keys not recognized in Unixware --> RedHat Connection Sep 26 2008 03:05AM
Dan Nelson (dnelson allantgroup com) (1 replies)
RE: keys not recognized in Unixware --> RedHat Connection Sep 26 2008 01:52PM
COHEN, STEVEN M (ATTSI) (sc1478 att com) (1 replies)
Re: keys not recognized in Unixware --> RedHat Connection Sep 26 2008 05:36PM
Dan Nelson (dnelson allantgroup com)







 

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