Patent ID: 9503454
Filing Date: 2016-11-22
CPC Classification: H04L,H04W

Claim Text:
1. A smart card service method, which is performed in an apparatus enabling processing of digital data and having a hardware, the hardware including a memory and a processor, the smart card service method comprising: receiving a certificate generation request from a terminal by a security/authentication interface unit which operates on the hardware and is connected to a terminal interface unit of the terminal through a network; generating a virtual machine associated with the terminal on the hardware to support security or authentication service to at least one application of the terminal when the virtual machine associated with the terminal does not exist in a cloud server included in the apparatus and configured in the form of a virtualization server that supports a virtualization function to the terminal; transmitting the certificate generation request to a security/authentication management device which is connected to the security/authentication interface unit through a network; storing credential information with respect to a certificate in the virtual machine, wherein the certificate is generated in response to a certificate generation success message provided from the security/authentication management device; receiving a certificate deletion request from the terminal; acquiring the credential information from the virtual machine associated with the terminal; transmitting the certificate deletion request to the security/authentication management device using the acquired credential information; receiving a certificate deletion result from the security/authentication management device; verifying the credential information in the virtual machine associated with the terminal; and when the credential information does not exist, deleting the virtual machine associated with the terminal, wherein the virtual machine is generated to correspond to a subscriber identity module of the terminal, and is located in the cloud server of the apparatus.