openssl Failure Signing Data PEM_do_header bad password

Uncaught exception 'Exception' with message 'Failure Signing Data: error:0906A068:PEM routines:PEM_do_header:bad password read - SHA256

Çözüm

# echo | openssl rsa -in cakey.pem -out cakey.pem
Enter pass phrase for cakey.pem:
writing RSA key