ca_util.py 文件源码

def read_private():
    global global_password
    if global_password is None:
        setpassword(getpass.getpass("Please enter the password to decrypt your keystore: "))

    if os.path.exists('private.json'):
        with open('private.json','r') as f:
            toread = json.load(f)
        key = crypto.kdf(global_password,toread['salt'])
        try:
            plain = crypto.decrypt(toread['priv'],key)
        except ValueError:
            raise Exception("Invalid password for keystore")

        return json.loads(plain),toread['salt']
    else:
        #file doesn't exist, just invent a salt
        return {'revoked_keys':[]},base64.b64encode(crypto.generate_random_key())