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File/Folder	Size	Actions
__init__.py	4.18 KB	Del OK
__pycache__	-	Del OK
base.py	2.39 KB	Del OK
cryptography.py	2.37 KB	Del OK
dsa.py	3.42 KB	Del OK
ecdsa.py	2.95 KB	Del OK
eddsa.py	1.87 KB	Del OK
rsa.py	3.47 KB	Del OK

Edit: 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 __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 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, )
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