Class PlaintextKey

src/borg/crypto/key.py:247–276

class PlaintextKey(KeyBase):
    TYPE = KeyType.PLAINTEXT
    TYPES_ACCEPTABLE = {TYPE}
    NAME = "plaintext"
    ARG_NAME = "none"

    chunk_seed = 0
    crypt_key = b""  # makes .derive_key() work, nothing secret here
    id_key = b""  # makes .derive_key() work, nothing secret here

    logically_encrypted = False

    @classmethod
    def create(cls, repository, args, **kw):
        logger.info('Encryption NOT enabled.\nUse the "--encryption=repokey|keyfile" to enable encryption.')
        return cls(repository)

    @classmethod
    def detect(cls, repository, manifest_data, *, other=False):
        return cls(repository)

    def id_hash(self, data):
        return sha256(data).digest()

    def encrypt(self, id, data):
        return b"".join([self.TYPE_STR, data])

    def decrypt(self, id, data):
        self.assert_type(data[0], id)
        return memoryview(data)[1:]


def random_blake2b_256_key():