def unarmor(pem_bytes, multiple=False):
 generator = _unarmor(pem_bytes)
 if (not multiple):
  return next(generator)
 return generator

def unarmor ( pem_bytes , multiple = False ) : generator = _unarmor ( pem_bytes ) if ( not multiple ) : return next ( generator ) return generator
convert a pem-encoded byte string into a der-encoded byte string .