first add files

lib/Crypto/Hash/MD2.pyi

@@ -0,0 +1,19 @@
+from typing import Union
+
+Buffer = Union[bytes, bytearray, memoryview]
+
+class MD4Hash(object):
+    digest_size: int
+    block_size: int
+    oid: str
+
+    def __init__(self, data: Buffer = ...) -> None: ...
+    def update(self, data: Buffer) -> None: ...
+    def digest(self) -> bytes: ...
+    def hexdigest(self) -> str: ...
+    def copy(self) -> MD4Hash: ...
+    def new(self, data: Buffer = ...) -> MD4Hash: ...
+
+def new(data: Buffer = ...) -> MD4Hash: ...
+digest_size: int
+block_size: int