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Encipher / decipher method for identity information and recognition system

An identity information and identification system technology, applied in the usage of multiple keys/algorithms, digital marking through data transmission, electromagnetic radiation induction, etc. problems, to achieve the effect of increasing difficulty, preventing information theft, and increasing security

Inactive Publication Date: 2006-11-22
ZHONGNAN RONGHAI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] In the prior art, although the identity information (data) stored in the carrier is encrypted, the carrier can only passively accept the card reading command of the reader to output the identity information, and the carrier itself cannot encrypt the information, nor can it exchange information with the terminal device. Exchange, confidentiality is not strong

Method used

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  • Encipher / decipher method for identity information and recognition system
  • Encipher / decipher method for identity information and recognition system
  • Encipher / decipher method for identity information and recognition system

Examples

Experimental program
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Embodiment 1

[0028] The identity information identification system in this example is a radio frequency identification system. The system composition includes: radio frequency identification card (or called electronic tag) as carrier, reader and terminal equipment. The reader is connected to the terminal device through the network.

[0029] RFID card for this example. It is formed by adding an encryption / decryption device to the existing radio frequency identification card circuit. The increased hardware structure includes: memory (RAM), used to store encrypted information ID1 and communication key K2; coprocessor, used to complete encryption and decryption processing and system control; interface circuit, used for radio frequency identification card circuit and encryption / decryption device interface. Circuit structure see image 3 . The above-mentioned memory is a non-volatile memory, and the dual-port RAMASIC IP core (unpackaged integrated circuit chip) of D&R Silicon Company is sel...

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Abstract

The present invention relates to information encryption technology. The invention provides an identity information encryption / decryption method and an identification system aiming at the disadvantages of the prior art carrier that the identity information has poor confidentiality and is easy to be stolen, copied and embezzled. The gist of the technical solution of the present invention is that the identity information is stored in the carrier after being encrypted; a further solution is to set an encryption / decryption device in the carrier to perform encryption / decryption processing on the received information and the output information; especially The transmitted information is encrypted with a random aging key. The identity information encryption / decryption method and identification system of the present invention have very powerful anti-counterfeiting and anti-theft functions, and are especially suitable for fields such as commodity anti-counterfeiting and identity recognition.

Description

technical field [0001] The invention relates to information encryption technology, in particular to an encryption method and identification system for identity information in a carrier. Background technique [0002] Identity information can be a variety of data, such as anti-counterfeiting codes, identity IDs, bank account data, IDs of electronic door locks, personal identity data, balances in electronic monthly tickets or stored-value cards, and so on. [0003] Identity information identification technology has a wide range of uses in the modern information society. Various carriers for recording identity information, such as the popular IC cards, smart cards, electronic tags, etc., have been involved in all aspects of people's lives. The identity information used to record individuals or products is unique to a specific person or product. Using the identification system corresponding to the corresponding information carrier, the identity information can be read, and the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K7/10G06K1/16H04L9/14G06K19/07
Inventor 郭春生
Owner ZHONGNAN RONGHAI TECH
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