INNER CODE UNIT · Python

get_cli_args

stratumauth/app · extra/decrypt_backup.py:40

def get_cli_args() -> argparse.Namespace:
    parser = argparse.ArgumentParser(description="Decrypt Stratum backup")
    parser.add_argument("path", metavar="p", type=str, help="Path to file to decrypt")
    parser.add_argument("--password", type=str, help="Backup password")

    return parser.parse_args()


def decrypt(data: bytes, password: str) -> bytes:
    salt = data[len(HEADER) : len(HEADER) + SALT_LENGTH]
    iv = data[len(HEADER) + SALT_LENGTH : len(HEADER) + SALT_LENGTH + IV_LENGTH]
    payload = data[len(HEADER) + SALT_LENGTH + IV_LENGTH :]

    password_bytes = password.encode("utf-8")

    key = argon2.low_level.hash_secret_raw(
        password_bytes,
        salt,

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