first add files

1 files changed, 47 insertions, 0 deletions

diff --git a/lib/Crypto/Cipher/_mode_ccm.pyi b/lib/Crypto/Cipher/_mode_ccm.pyi
new file mode 100644
index 0000000..4b9f620
--- /dev/null
+++ b/lib/Crypto/Cipher/_mode_ccm.pyi
@@ -0,0 +1,47 @@
+from types import ModuleType
+from typing import Union, overload, Dict, Tuple, Optional
+
+Buffer = Union[bytes, bytearray, memoryview]
+
+__all__ = ['CcmMode']
+
+class CcmMode(object):
+    block_size: int
+    nonce: bytes
+
+    def __init__(self,
+                 factory: ModuleType,
+                 key: Buffer,
+                 nonce: Buffer,
+                 mac_len: int,
+                 msg_len: int,
+                 assoc_len: int,
+                 cipher_params: Dict) -> None: ...
+    
+    def update(self, assoc_data: Buffer) -> CcmMode: ...
+
+    @overload
+    def encrypt(self, plaintext: Buffer) -> bytes: ...
+    @overload
+    def encrypt(self, plaintext: Buffer, output: Union[bytearray, memoryview]) -> None: ...
+    @overload
+    def decrypt(self, plaintext: Buffer) -> bytes: ...
+    @overload
+    def decrypt(self, plaintext: Buffer, output: Union[bytearray, memoryview]) -> None: ...
+
+    def digest(self) -> bytes: ...
+    def hexdigest(self) -> str: ...
+    def verify(self, received_mac_tag: Buffer) -> None: ...
+    def hexverify(self, hex_mac_tag: str) -> None: ...
+
+    @overload
+    def encrypt_and_digest(self,
+                           plaintext: Buffer) -> Tuple[bytes, bytes]: ...
+    @overload
+    def encrypt_and_digest(self,
+                           plaintext: Buffer,
+                           output: Buffer) -> Tuple[None, bytes]: ...
+    def decrypt_and_verify(self,
+                           ciphertext: Buffer,
+                           received_mac_tag: Buffer,
+                           output: Optional[Union[bytearray, memoryview]] = ...) -> bytes: ...