This constructor creates a copy of x509name which should be an instance of X509Name.
If the enc argument is present, it should be a base64-encoded string representing a NetscapeSPKI object, as returned by the b64_encode method.
passphrase must be either a string or a callback for providing the pass phrase.
passphrase must be either a string or a callback for providing the pass phrase.
See also the man page for the C function PKCS12_parse.