Patent ID: 9276748
Filing Date: 2016-03-01
CPC Classification: G06F,H04L,H04W

Claim Text:
1. A data-encrypting method for a mobile phone, comprising: obtaining a PIN code input by a user and obtaining an SIM card code from an SIM card according to the PIN code, and combining the PIN code and the SIM card code into a password string; using the password string to encrypt source data so as to obtain encrypted data; and setting an encrypted-data identification (ID) code by using an IMEI number of the mobile phone, and putting the encrypted-data ID code before the encrypted data; wherein the step of using the password string to encrypt source data so as to obtain encrypted data comprises: reading the source data in units of a number of bytes of the password string; performing a logic operation on the password string and the source data that is read; and storing the source data, which has been performed the logic operation on, as the encrypted data; wherein the logic operation is an XOR operation.