| 主权项 |
1. A method of securing data of a mobile communications device, the method comprising:
generating, at the mobile communications device, an encryption key using at least information specific to the mobile communications device, wherein the encryption key is specific to the mobile communications device and unknown to other devices including a first server, wherein the encryption key is a private encryption key for both encryption and decryption; storing the encryption key in the mobile communications device, wherein the encryption key is not exportable from the mobile communications device; determining, at the mobile communications device, in response to installation or removal of a file manager application, that first application data is data received from or for sending to the first server; in response to determining that the first application data is data received from or for sending to the first server, encrypting the first application data with the encryption key stored in the mobile communications device; storing the encrypted first application data on a memory; receiving, after storing the encrypted first application data, a request to access the first application data from a second application or a service on the mobile communications device; determining that the second application or service is authorized to access data associated with the first server; and in response to determining that the second application or service is authorized to access data associated with the first server, decrypting the first application data with the encryption key. |
