SSH Tectia Server supports also user public keys generated with OpenSSH. The OpenSSH keys can be configured the same way as described above for keys generated with SSH Tectia Client.

Alternatively, the OpenSSH-style authorized_keys file can be specified in the ssh-server-config.xml file by using the openssh-authorized-keys-file attribute. See auth-publickey. An example configuration is shown below:

<authentication-methods>
  <authentication action="allow">
    <auth-publickey authorization-file="%D/.ssh2/authorization" 
                    openssh-authorized-keys-file="%D/.ssh/authorized_keys" />
    ...
  </authentication>
</authentication-methods>  

SSH Tectia Server checks the defined OpenSSH authorized_keys file in addition to the SSH Tectia authorization file and/or the authorized_keys directory. Public keys defined in the SSH Tectia locations have precedence over the keys in the OpenSSH file if the same key is defined in both.