I am currently searching for alternatives to Putty on a Windows computer. In order to test SmarTTY, I used the PuttyGen-Tool to convert the key files into the open ssh private key format (rsa 2048 bit). The key file is password protected, the PuttyGen tool is able to import it again using the passphrase. In SmarTTY, I want to connect to my debian server using the public key authentication method. Since I am using different keys per machine, I am configuring an alternative key location. Since the key file contains an encrypted key, I enter a passphrase, and yet, I get the error message “Passphrase Required”. How can I solve this?