i has download cacert.pem from internet, but how to get cacert.key ?
How to get public/private key from cacert.pem ?
Based on the initial description, you don’t. The key file is what “secures” the certificate; without it, it can only be referenced. With it, you can sign other certificates. Which in turn means you can impersonate, and that would be A Bad Thing(tm).
Source : Link , Question Author : eRider 2014 , Answer Author : Avery Payne