code: def create_ecdsap256_key_pair():
      
      pub  = ECDSAP256PublicKey()
      priv = ECDSAP256PrivateKey()
      rc = _lib.xtt_crypto_create_ecdsap256_key_pair(pub.native, priv.native)
      if rc == RC.SUCCESS:
          return (pub, priv)
      else:
          raise error_from_code(rc)
docs: Create a new ECDSAP256 key pair.
  
      :returns: a tuple of the public and private keys