Extract key/cert from PFX

1.  Extract key from pfx file
   openssl pkcs12 -in /path/to/file.pfx --nocerts -out /path/to/exported.key
2. Extract certificate from pfx file
   openssl pkcs12 -in /path/to/file.pfx -clcerts -nokeys -out /path/to/cert.crt
3. decrypt private key if desired.
   openssl rsa -in /path/to/exported.key -out /path/to/decrypted.key