first add files

lib/Crypto/IO/PKCS8.pyi

@@ -0,0 +1,14 @@
+from typing import Dict, Tuple, Optional, Union, Callable
+
+from Crypto.Util.asn1 import DerObject
+
+def wrap(private_key: bytes,
+         key_oid: str,
+	 passphrase: Union[bytes, str] = ...,
+	 protection: str = ...,
+         prot_params: Dict = ...,
+	 key_params: Optional[DerObject] = ...,
+	 randfunc: Optional[Callable[[int],str]]  = ...) -> bytes: ...
+
+
+def unwrap(p8_private_key: bytes, passphrase: Optional[Union[bytes, str]] = ...) -> Tuple[str, bytes, Optional[bytes]]: ...