1 files changed, 27 insertions, 0 deletions
diff --git a/lib/Crypto/Signature/DSS.pyi b/lib/Crypto/Signature/DSS.pyi
new file mode 100644
index 0000000..08cad81
--- /dev/null
+++ b/lib/Crypto/Signature/DSS.pyi
@@ -0,0 +1,27 @@
+from typing import Union, Optional, Callable
+from typing_extensions import Protocol
+
+from Crypto.PublicKey.DSA import DsaKey
+from Crypto.PublicKey.ECC import EccKey
+
+class Hash(Protocol):
+    def digest(self) -> bytes: ...
+
+__all__ = ['new']
+
+class DssSigScheme:
+    def __init__(self, key: Union[DsaKey, EccKey], encoding: str, order: int) -> None: ...
+    def can_sign(self) -> bool: ...
+    def sign(self, msg_hash: Hash) -> bytes: ...
+    def verify(self, msg_hash: Hash, signature: bytes) -> bool: ...
+
+class DeterministicDsaSigScheme(DssSigScheme):
+    def __init__(self, key, encoding, order, private_key) -> None: ...
+
+class FipsDsaSigScheme(DssSigScheme):
+    def __init__(self, key: DsaKey, encoding: str, order: int, randfunc: Callable) -> None: ...
+
+class FipsEcDsaSigScheme(DssSigScheme):
+    def __init__(self, key: EccKey, encoding: str, order: int, randfunc: Callable) -> None: ...
+
+def new(key: Union[DsaKey, EccKey], mode: str, encoding: Optional[str]='binary', randfunc: Optional[Callable]=None) -> Union[DeterministicDsaSigScheme, FipsDsaSigScheme, FipsEcDsaSigScheme]: ...