*
     * @param passphrase passphrase of the private key file
     */
    public void setPassphrase(final String passphrase) {
        this.passphrase = passphrase;
    }

    /**
     * Get the absolute path to the private key file.
     *
     * @return absolute path to private key
     */
    public String getPrivateKey() {
        return privateKey;
    }

    /**

OU = MyOU
CN = MyServerName

[v3_req]
subjectAltName = @alt_names

[alt_names]
IP.1 = 127.0.0.1
DNS.1 = localhost
```

Run `openssl` by specifying the configuration file and enter a passphrase if prompted:

```sh
openssl req -new -x509 -nodes -days 730 -keyout private.key -out public.crt -config openssl.conf
```

### 3.3 Use GnuTLS (for Windows) to Generate a Certificate