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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
import typing
from cryptography.hazmat.primitives.hashes import HashAlgorithm
def derive_pbkdf2_hmac(
key_material: bytes,
algorithm: HashAlgorithm,
salt: bytes,
iterations: int,
length: int,
) -> bytes: ...
class Scrypt:
def __init__(
self,
salt: bytes,
length: int,
n: int,
r: int,
p: int,
backend: typing.Any = None,
) -> None: ...
def derive(self, key_material: bytes) -> bytes: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
class Argon2id:
def __init__(
self,
*,
salt: bytes,
length: int,
iterations: int,
lanes: int,
memory_cost: int,
ad: bytes | None = None,
secret: bytes | None = None,
) -> None: ...
def derive(self, key_material: bytes) -> bytes: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
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