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Re: Authentication problem


On 03/04/2011 10:39 AM, Andreas Schneider wrote:
On Friday 04 March 2011 10:31:52 you wrote:
On 03/03/2011 02:42 PM, Pierre-Yves Fontaniere wrote:
Hello ... I'm trying to use libssh0.4.8 on AIX6.1 and have a problem
with public key authentication.

My program simply :
  - Initialize a session.
  - Verify the remote server/key matching.
  - Test if pubkey authentication is ok for the remote server.
  - Create a private key from the file.
  - Calculate public key from the private key.
  - Offer this pubkey to the remote server.
  - Try to authenticate with this pubkey. And it failed here.
I launched a sshd server in debugging mode to see why
"ssh_userauth_pubkey" (specifically it's the function"
wait_auth_status") returns SSH_AUTH_ERROR.
And see no problem with connection :

...
debug1: matching key found: file /home/md/.ssh/authorized_keys, line 2767
Found matching RSA key: 31:30:06:88:0f:25:f4:b5:37:f1:e0:fc:dc:16:d4:60
debug1: restore_uid: 0/0
debug1: ssh_rsa_verify: signature correct
debug2: userauth_pubkey: authenticated 1 pkalg ssh-rsa
debug1: do_pam_account: called
debug3: PAM: do_pam_account pam_acct_mgmt = 0 (Success)
Accepted publickey for md from 134.158.105.104 port 42501 ssh2
debug1: Entering interactive session for SSH2.
debug2: fd 4 setting O_NONBLOCK
debug2: fd 5 setting O_NONBLOCK
debug1: server_init_dispatch_20
Received disconnect from 134.158.105.104: 11: Bye Bye
debug1: do_cleanup
debug1: PAM: cleanup
debug3: PAM: sshpam_thread_cleanup entering
Hmm, this is strange. The ssh_userauth_autopubkey uses the same functions and
works just fine here, have you tried it?
Yep, and that is the same.
Which OpenSSL version do you have?
OpenSSL 0.9.8k from IBM AIX package.
or OpenSSL 1.0.0.d

Pierre-yves Fontaniere

Follow-Ups:
Re: Authentication problemAris Adamantiadis <aris@xxxxxxxxxxxx>
References:
Authentication problemPierre-Yves Fontaniere <pyf@xxxxxxxxxxx>
Re: Authentication problemPierre-Yves Fontaniere <pyf@xxxxxxxxxxx>
Re: Authentication problemAndreas Schneider <asn@xxxxxxxxxxxxxx>
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