LOLCATS

: /lib/python3.9/site-packages/dns/dnssecalgs/ [ drwxr-xr-x ]

Information Server

NONE

Command ON Config Searcher Create RDP Find Modified Time Find File Get Tools GSocket Jumping Lock File Mass Deface Mass Delete Mass Chmod Mass Change Date Port Scan Reverse Shell Upload Zone-H

: cryptography.py

from typing import Any, Optional, Type

from cryptography.hazmat.primitives import serialization

from dns.dnssecalgs.base import GenericPrivateKey, GenericPublicKey
from dns.exception import AlgorithmKeyMismatch

class CryptographyPublicKey(GenericPublicKey):
    key: Any = None
    key_cls: Any = None

def __init__(self, key: Any) -> None:  # pylint: disable=super-init-not-called
        if self.key_cls is None:
            raise TypeError("Undefined private key class")
        if not isinstance(  # pylint: disable=isinstance-second-argument-not-valid-type
            key, self.key_cls
        ):
            raise AlgorithmKeyMismatch
        self.key = key

@classmethod
    def from_pem(cls, public_pem: bytes) -> "GenericPublicKey":
        key = serialization.load_pem_public_key(public_pem)
        return cls(key=key)

def to_pem(self) -> bytes:
        return self.key.public_bytes(
            encoding=serialization.Encoding.PEM,
            format=serialization.PublicFormat.SubjectPublicKeyInfo,
        )

class CryptographyPrivateKey(GenericPrivateKey):
    key: Any = None
    key_cls: Any = None
    public_cls: Type[CryptographyPublicKey]

def public_key(self) -> "CryptographyPublicKey":
        return self.public_cls(key=self.key.public_key())

@classmethod
    def from_pem(
        cls, private_pem: bytes, password: Optional[bytes] = None
    ) -> "GenericPrivateKey":
        key = serialization.load_pem_private_key(private_pem, password=password)
        return cls(key=key)

def to_pem(self, password: Optional[bytes] = None) -> bytes:
        encryption_algorithm: serialization.KeySerializationEncryption
        if password:
            encryption_algorithm = serialization.BestAvailableEncryption(password)
        else:
            encryption_algorithm = serialization.NoEncryption()
        return self.key.private_bytes(
            encoding=serialization.Encoding.PEM,
            format=serialization.PrivateFormat.PKCS8,
            encryption_algorithm=encryption_algorithm,
        )

NAME	TYPE	LAST MODIFIED	SIZE	OWNER / GROUP	PERMISSIONS	ACTION
..
__init__.py	f!le	2024-02-18 18:35	4.18 KB	root / root	-rw-r--r--
base.py	f!le	2024-02-18 18:35	2.39 KB	root / root	-rw-r--r--
cryptography.py	f!le	2024-02-18 18:35	2.37 KB	root / root	-rw-r--r--
dsa.py	f!le	2024-02-18 18:35	3.42 KB	root / root	-rw-r--r--
ecdsa.py	f!le	2024-02-18 18:35	2.95 KB	root / root	-rw-r--r--
eddsa.py	f!le	2024-02-18 18:35	1.87 KB	root / root	-rw-r--r--
rsa.py	f!le	2024-02-18 18:35	3.47 KB	root / root	-rw-r--r--

ÿØÿî