Patent ID: 9374708
Filing Date: 2016-06-21
CPC Classification: H04W

Claim Text:
1. A method for encrypting a terminal with a subscriber identity card, comprising: the terminal storing a unique identity number of the subscriber identity card; and the terminal detecting operations of a user, and authenticating the current user when the current user accesses encrypted data and/or files and/or folders and/or virtual storage space set by the user, or when the terminal receives an authentication request sent by a mobile network server via the subscriber identity card; wherein said authenticating the current user refers to that: the terminal reads a unique identity number of a current subscriber identity card and compares the read unique identity number of the current subscriber identity card with the stored unique identity number of the subscriber identity card, if both are the same, the terminal entering into a normal working state, and if both are different, the terminal locking self or disabling access of the current user.