Patent ID: 9648495
Date: 2017-05-09
CPC Classifications: H04L,H04W

Claim:
1. A method for enabling access to a protected function of an application installed in a communication terminal device by means of an identification module contained in the communication terminal device, the method comprising the following steps: generating, by the identification module, a response key, wherein the application is prevented from communicating with the identification module by means of an internal data exchange of the communication terminal device; receiving in a transmission means that is arranged physically separate from the communication terminal device a request that was sent by an application of the communication terminal device instructing that the verification request should be transmitted to the identification module, the request being related to the access to the protected function of the application; transmitting the verification request by the transmission means to the identification module of the communication terminal device in response to the request, wherein the verification request comprises the response key; determining based on the verification request a verification response by means of the identification module, wherein the verification response comprises the response key; receiving the verification response in the transmission means, transmitting a notification about the received verification response by the transmission means to the application of the communication terminal device; verifying the response key; and controlling, by the application, access to the protected function of the application based on a result of the verification of the response key.