pkcs12 to SSL key

openssl pkcs12 -in filename.pfx -nocerts -out key.key
openssl pkcs12 -in filename.pfx -nokeys -clcerts -out key.crt
openssl pkcs12 -in filename.pfx -nodes -nokeys -cacerts -passin pass:pass -out chain.crt
openssl rsa -in key.key -out key2.pem