from _typeshed import ReadableBuffer
from collections.abc import Callable, Sequence
from typing import IO, Any

from cryptography.hazmat.primitives.asymmetric.ec import EllipticCurve, EllipticCurvePrivateKey, EllipticCurvePublicKey
from cryptography.hazmat.primitives.hashes import HashAlgorithm
from paramiko.message import Message
from paramiko.pkey import PKey

class _ECDSACurve:
    nist_name: str
    key_length: int
    key_format_identifier: str
    hash_object: type[HashAlgorithm]
    curve_class: type[EllipticCurve]
    def __init__(self, curve_class: type[EllipticCurve], nist_name: str) -> None: ...

class _ECDSACurveSet:
    ecdsa_curves: Sequence[_ECDSACurve]
    def __init__(self, ecdsa_curves: Sequence[_ECDSACurve]) -> None: ...
    def get_key_format_identifier_list(self) -> list[str]: ...
    def get_by_curve_class(self, curve_class: type[Any]) -> _ECDSACurve | None: ...
    def get_by_key_format_identifier(self, key_format_identifier: str) -> _ECDSACurve | None: ...
    def get_by_key_length(self, key_length: int) -> _ECDSACurve | None: ...

class ECDSAKey(PKey):
    verifying_key: EllipticCurvePublicKey
    signing_key: EllipticCurvePrivateKey
    public_blob: None
    ecdsa_curve: _ECDSACurve | None
    def __init__(
        self,
        msg: Message | None = None,
        data: ReadableBuffer | None = None,
        filename: str | None = None,
        password: str | None = None,
        vals: tuple[EllipticCurvePrivateKey, EllipticCurvePublicKey] | None = None,
        file_obj: IO[str] | None = None,
        validate_point: bool = True,
    ) -> None: ...
    @classmethod
    def supported_key_format_identifiers(cls: Any) -> list[str]: ...
    def asbytes(self) -> bytes: ...
    def __hash__(self) -> int: ...
    def get_name(self) -> str: ...
    def get_bits(self) -> int: ...
    def can_sign(self) -> bool: ...
    def sign_ssh_data(self, data: bytes, algorithm: str | None = None) -> Message: ...
    def verify_ssh_sig(self, data: bytes, msg: Message) -> bool: ...
    def write_private_key_file(self, filename: str, password: str | None = None) -> None: ...
    def write_private_key(self, file_obj: IO[str], password: str | None = None) -> None: ...
    @classmethod
    def generate(
        cls, curve: EllipticCurve = ..., progress_func: Callable[..., object] | None = None, bits: int | None = None
    ) -> ECDSAKey: ...