private key authentication using j2ssh

Question

Hi, We are trying to connect to Tectia Server 6.1.8.x on Windows using j2ssh 0.2.9. We have configured "Public Key Authentication". The keys are generated using the Tectia client tool and upload the public key on to the server. We are able to connect to the Server using the client. However, when we run the j2ssh program, we get an error "INFO: Private key is not in the default format, attempting parse with other supported formats com.sshtools.j2ssh.transport.publickey.InvalidSshKeyException: The key format is not a supported format". I have read that j2ssh supports only OpenSSH key format. Kindly guide us how to parse the Tectia generated private key using j2ssh api.

Answer 1

There's two ways you can go about this:

Convert the key to OpenSSH

Use OpenSSH tools to convert the Tectia key to OpenSSH format. You should then be able to use the converted key with j2ssh.

e.g.
```
ssh-keygen -i -f [tectia_key]
```
Generate a new key pair using j2ssh or OpenSSH tools

You can also generate a new key pair using OpenSSH tools (ssh-keygen) and then upload the public key to the Tectia server using the public key wizard of Tectia Client or manually.

private key authentication using j2ssh

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