Establishment of communication connection between mobile device and secure element

A method of establishing communication connection between a mobile device and a secure element, characterized by comprising the following steps:

• when the mobile device establishes a physical connection with the secure element, the mobile device and the secure element perform secure authentications with each other;
• if both the secure authentications are passed, the mobile device determines whether there is configuration information inside it which is required for establishing the communication connection between the mobile device and the secure element;
• and
• if there is the required configuration information inside the mobile device, the mobile device uses the configuration information to establish the communication connection with the secure element;
• otherwise, the mobile device obtains the required configuration information from the secure element to establish the communication connection with the secure element;
• wherein the mobile device and the secure element perform secure authentications with each other in the following manner:
• the mobile device and the secure element sending randomly generated authentication information to each other;
• determining whether the secure authentications are passed by verifying a verification code received from each other;
• wherein the mobile device and the secure element generate corresponding verification codes according to respective received authentication information.

A mobile device characterized by comprising:

• a hardware processor and a memory, the hardware processor comprising:
• a control unit configured to establish communication connection with an secure element using configuration information of the secure element;
• a secure authentication unit coupled with the control unit and configured to perform secure authentication on the secure element which has established a physical connection with the mobile device, according to an instruction from the control unit;
• and
• a secure element registering machine coupled with the control unit and configured to, for the secure element which has passed the secure authentication, determine whether configuration information required for establishing the communication connection with the secure element already exists in the secure element registering machine, according to an instruction from the control unit;
• and if the configuration information exists, the configuration information is provided to the control unit, and if not, the configuration information provided by the secure element is stored;
• wherein the secure authentication unit performs the secure authentication on the secure element in the following manner:
• sending randomly generated authentication information to the secure element;
• and
• determining whether the secure authentication passes by verifying a verification code received from the secure element, wherein the verification code is generated according to the authentication information.