The method for preventing changing the authority of information data

The method for preventing the change permission for data is disclosed. To avoid changes to the authorization data is information, performing user authentication, and user registration and cross-seeking provides the information data; Receiving an event that contains the encrypted value of the changed credential encryption of the information data from the user; Extracting the changed permission information of the information data by decoding the encrypted value from the event; And if that is not the same as the permission information of the rights information is pre-registered to extract the information data, the method comprising: registering a user by sending the event to the list attacker blocks; includes. So if you want to disclose explicitly through authentication and secure management of users and data, enabling information data illegally change the permissions for data on users for rights management, as well as the respective data to an external illegal users and by keeping track of the use device to contribute to the development of networks, and application service it has a large effect. Information, data, encryption, authentication,