first add files

lib/Crypto/Cipher/AES.pyi

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+from typing import Union, Tuple, Optional, Dict
+
+from Crypto.Cipher._mode_ecb import EcbMode
+from Crypto.Cipher._mode_cbc import CbcMode
+from Crypto.Cipher._mode_cfb import CfbMode
+from Crypto.Cipher._mode_ofb import OfbMode
+from Crypto.Cipher._mode_ctr import CtrMode
+from Crypto.Cipher._mode_openpgp import OpenPgpMode
+from Crypto.Cipher._mode_ccm import CcmMode
+from Crypto.Cipher._mode_eax import EaxMode
+from Crypto.Cipher._mode_gcm import GcmMode
+from Crypto.Cipher._mode_siv import SivMode
+from Crypto.Cipher._mode_ocb import OcbMode
+
+AESMode = int
+
+MODE_ECB: AESMode
+MODE_CBC: AESMode
+MODE_CFB: AESMode
+MODE_OFB: AESMode
+MODE_CTR: AESMode
+MODE_OPENPGP: AESMode
+MODE_CCM: AESMode
+MODE_EAX: AESMode
+MODE_GCM: AESMode
+MODE_SIV: AESMode
+MODE_OCB: AESMode
+
+Buffer = Union[bytes, bytearray, memoryview]
+
+def new(key: Buffer,
+        mode: AESMode,
+        iv : Buffer = ...,
+        IV : Buffer = ...,
+        nonce : Buffer = ...,
+        segment_size : int = ...,
+        mac_len : int = ...,
+        assoc_len : int = ...,
+        initial_value : Union[int, Buffer] = ...,
+        counter : Dict = ...,
+        use_aesni : bool = ...) -> \
+        Union[EcbMode, CbcMode, CfbMode, OfbMode, CtrMode,
+              OpenPgpMode, CcmMode, EaxMode, GcmMode,
+              SivMode, OcbMode]: ...
+
+block_size: int
+key_size: Tuple[int, int, int]