CPC G06F 21/78 (2013.01) [G06F 21/31 (2013.01); G06F 21/604 (2013.01)] | 9 Claims |
1. A control method using a virtual code, the method comprising:
receiving, by a virtual code verification means, the virtual code, wherein the virtual code is generated by a virtual code generation function included in a virtual code generation means registered in the virtual code verification means;
searching, by the virtual code verification means, a storage location of each of a plurality of UIDs (User Identification) on the basis of the virtual code, which contains information on the storage location of each of the plurality of UIDs;
verifying, by the virtual code verification means, the virtual code on the basis of the plurality of searched UIDs, wherein the verifying of the virtual code determines that the virtual code is a valid code when a UID searched last among the plurality of UIDs matches a previously stored UID, or information matched to and stored in the UID searched last among the plurality of UIDs matches a preset value; and
performing, by the virtual code verification means, a control command on the basis of the plurality of searched UIDs,
wherein, when sequentially searching for the plurality of UIDs, the searching of the storage location is performed by using a firstly searched UID to search for a next UID, which is a secondly searched UID.
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