def decrypt_verify_and_load(
cls: Type[BaseSignedDataTypeVar],
encrypted: bytes,
key: SecretKey,
author_verify_key: VerifyKey,
expected_author: DeviceID,
expected_timestamp: DateTime,
**kwargs,
) -> BaseSignedDataTypeVar:
"""
Raises:
DataError
"""
try:
signed = key.decrypt(encrypted)
except CryptoError as exc:
raise DataError(str(exc)) from exc
return cls.verify_and_load(
signed,
author_verify_key=author_verify_key,
expected_author=expected_author,
expected_timestamp=expected_timestamp,
**kwargs,
)
def decrypt_and_load(cls, encrypted: bytes, key: SecretKey,
**kwargs) -> "BaseData":
"""
Raises:
DataError
"""
try:
raw = key.decrypt(encrypted)
except CryptoError as exc:
raise DataError(str(exc)) from exc
return cls.load(raw, **kwargs)
def decrypt_and_load(cls: Type[BaseDataTypeVar], encrypted: bytes,
key: SecretKey, **kwargs: object) -> BaseDataTypeVar:
"""
Raises:
DataError
"""
try:
raw = key.decrypt(encrypted)
except CryptoError as exc:
raise DataError(str(exc)) from exc
return cls.load(raw, **kwargs)
