An SSL certificate and private key can be stored in many formats. Sometimes, it may be necessary to convert from one format to another. One such case is where you have a private and public key (certificate) in PKCS12 (PFX-file) format, and need the individual certificate and private key in X509 format. You can use OpenSSL to perform the conversion.

A PFX-file generally contains both the private and public key (certificate) and is usually secured with a passphrase. If the PFX-file you want to convert is secured with a password, you will need this in order to perform the conversion. If you do not have the password, there's no way to reset this and the PFX-file will be unusable. When performin  ...