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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
from cryptography.hazmat.primitives.kdf.kbkdf import CounterLocation, Mode
from cryptography.utils import Buffer
class PBKDF2HMAC:
def __init__(
self,
algorithm: HashAlgorithm,
length: int,
salt: bytes,
iterations: int,
backend: typing.Any = None,
) -> None: ...
def derive(self, key_material: Buffer) -> bytes: ...
def derive_into(self, key_material: Buffer, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
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: Buffer) -> bytes: ...
def derive_into(self, key_material: Buffer, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
class Argon2d:
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 derive_into(self, key_material: bytes, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
def derive_phc_encoded(self, key_material: bytes) -> str: ...
@classmethod
def verify_phc_encoded(
cls, key_material: bytes, phc_encoded: str, secret: bytes | None = None
) -> None: ...
class Argon2i:
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 derive_into(self, key_material: bytes, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
def derive_phc_encoded(self, key_material: bytes) -> str: ...
@classmethod
def verify_phc_encoded(
cls, key_material: bytes, phc_encoded: str, secret: bytes | None = None
) -> 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 derive_into(self, key_material: bytes, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
def derive_phc_encoded(self, key_material: bytes) -> str: ...
@classmethod
def verify_phc_encoded(
cls, key_material: bytes, phc_encoded: str, secret: bytes | None = None
) -> None: ...
class HKDF:
def __init__(
self,
algorithm: HashAlgorithm,
length: int,
salt: bytes | None,
info: bytes | None,
backend: typing.Any = None,
): ...
@staticmethod
def extract(
algorithm: HashAlgorithm, salt: bytes | None, key_material: Buffer
) -> bytes: ...
def derive(self, key_material: Buffer) -> bytes: ...
def derive_into(self, key_material: Buffer, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
class HKDFExpand:
def __init__(
self,
algorithm: HashAlgorithm,
length: int,
info: bytes | None,
backend: typing.Any = None,
): ...
def derive(self, key_material: Buffer) -> bytes: ...
def derive_into(self, key_material: Buffer, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
class X963KDF:
def __init__(
self,
algorithm: HashAlgorithm,
length: int,
sharedinfo: bytes | None,
backend: typing.Any = None,
) -> None: ...
def derive(self, key_material: Buffer) -> bytes: ...
def derive_into(self, key_material: Buffer, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
class ConcatKDFHash:
def __init__(
self,
algorithm: HashAlgorithm,
length: int,
otherinfo: bytes | None,
backend: typing.Any = None,
) -> None: ...
def derive(self, key_material: Buffer) -> bytes: ...
def derive_into(self, key_material: Buffer, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
class ConcatKDFHMAC:
def __init__(
self,
algorithm: HashAlgorithm,
length: int,
salt: bytes | None,
otherinfo: bytes | None,
backend: typing.Any = None,
) -> None: ...
def derive(self, key_material: Buffer) -> bytes: ...
def derive_into(self, key_material: Buffer, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
class KBKDFHMAC:
def __init__(
self,
algorithm: HashAlgorithm,
mode: Mode,
length: int,
rlen: int,
llen: int | None,
location: CounterLocation,
label: bytes | None,
context: bytes | None,
fixed: bytes | None,
backend: typing.Any = None,
*,
break_location: int | None = None,
) -> None: ...
def derive(self, key_material: Buffer) -> bytes: ...
def derive_into(self, key_material: Buffer, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...
class KBKDFCMAC:
def __init__(
self,
algorithm: typing.Any,
mode: Mode,
length: int,
rlen: int,
llen: int | None,
location: CounterLocation,
label: bytes | None,
context: bytes | None,
fixed: bytes | None,
backend: typing.Any = None,
*,
break_location: int | None = None,
) -> None: ...
def derive(self, key_material: Buffer) -> bytes: ...
def derive_into(self, key_material: Buffer, buffer: Buffer) -> int: ...
def verify(self, key_material: bytes, expected_key: bytes) -> None: ...