def _generate_private_and_public_keys(self):
""""""
private_key, public_key = KeysGen.gen_private_and_public_keys()
private_key_str = Converter.binary_to_string(
private_key.exportKey(format="DER"))
public_key_str = Converter.binary_to_string(
public_key.exportKey(format="DER"))
return private_key_str, public_key_str
def sign_transaction(self):
signer = PKCS1_v1_5.new(
RSA.importKey(Converter.string_to_binary(self.private_key)))
self._create_payload_hash()
signature = signer.sign(self.payload_hash)
return Converter.binary_to_string(signature)