Encryption method of radio frequency card
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- 浙江晶旗科技有限公司
- Publication Date
- 2020-04-07
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Figure 1
Abstract
Description
technical field
[0001] The invention belongs to the field of electronic industry, relates to the development of radio frequency and security software, in particular to an encryption method of a radio frequency card. Background technique
[0002] The communication between the radio frequency IC card and the card reader is carried out in a non-contact manner, so the radio frequency IC card has a great advantage in the large traffic passing system, such as the access control system, the traffic system and the consumer system. The information transmission between the radio frequency IC card and the card reader uses wireless communication, and the radio is a divergent high-frequency signal, which is open in a certain range of space, which also means that the information is easily transmitted during the wireless communication process. Intercepted by external equipment, therefore, when the logical encrypted radio frequency card without CPU is attacked by the simplest password, the ...