CN1419213A - RF electronic label data encryption anti-counterfeit method - Google Patents
RF electronic label data encryption anti-counterfeit method Download PDFInfo
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- CN1419213A CN1419213A CN02158933.XA CN02158933A CN1419213A CN 1419213 A CN1419213 A CN 1419213A CN 02158933 A CN02158933 A CN 02158933A CN 1419213 A CN1419213 A CN 1419213A
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- uid
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- electronic label
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Abstract
The encryption anti-counterfeit method for RF electron label data, it reads UID incrimination code in ROM of radio frequency electron label, new data come into being through logic operation, and it is written in erasable memory. The UID code is only and unchangeable, the coding data is written in erasable memory of label through logic coding operation, the erasable memory and unchangeable UID has a conventional logic relation. Althrough the illegal users can read and write coding data, they can't change the UID code of label.
Description
Technical field:
The invention provides a kind of radio electronic label data encryption method for anti-counterfeit, belong to electronic anti-fogery
Technical field.
Background technology:
At present, the data layout of radio electronic label is user data area (readable, can write) and unique identifier UID (readable, can not a write) data structure, when being used for the encryption anti-counterfeiting technical field, generally adopts following dual mode:
Direct Recognition: write specific data at user data area, use special-purpose fetch equipment then, sense data and former data comparison are to distinguish true from false.
Encrypt identification: based on the above method, after specific data process logical encrypt computing, the enciphered data of generation writes user data area, uses specialized equipment to read then, and deciphering and particular data comparison, distinguishes the true from the false.
No matter adopt the sort of method to encrypt, after the disabled user all can read out its data by fetch equipment, and then write an illegal radio electronic label again, destroyed the uniqueness of label.
Summary of the invention:
The invention provides a kind of radio electronic label data encryption method for anti-counterfeit, make each tag-shaped become unique enciphered data sign indicating number, prevented the behavior of forgery label according to the UID sign indicating number.
Technical solution of the present invention is as follows: read out the UID identification code in the ROM (read-only memory) in existing radio electronic label, after producing new data after the logical operation, write in the read-write user memory;
Good effect of the present invention is: uniqueness and the unalterable feature of utilizing the unique identifier UID in the label, through the logical encrypt computing, write the read-write user memory of label after the generation enciphered data, the user memory that allows to rewrite forms the logical relation of arranging with the UID that can not rewrite.Though the disabled user can read out and write enciphered data, can't change the UID sign indicating number of this label, reached false proof purpose.
Description of drawings:
Fig. 1 is a structure principle chart of the present invention.
1～radio-frequency antenna, 2～processor, 3～ROM (read-only memory), 4～read-write user memory.
Embodiment:
According to Fig. 1, radio electronic label is made of radio-frequency antenna 1, processor 2, ROM (read-only memory) 3 and readable memory 4, wherein, solidify UID sign indicating number 1234 in the ROM (read-only memory), through logical operation as: the UID sign indicating number be multiply by 2, obtain enciphered data 2468, then this enciphered data is write in the read-write user memory 4.Utilize special-purpose read-write heads to read enciphered data 2468 in the read-write user memory 4 of radio electronic label by radio-frequency antenna 1 and processor 2, these data are carried out the logical inverse computing, as divided by 2, obtain theoretic UID value 1234, again the UID sign indicating number in this value and the ROM (read-only memory) 3 is compared, whether identical according to two values, the uniqueness of judgement label.
Claims (1)
1, a kind of radio electronic label data encryption method for anti-counterfeit, it is characterized in that: read out the UID identification code in the ROM (read-only memory) in existing radio electronic label, after producing new data after the logical operation, write in the read-write user memory, the user memory that allows to rewrite forms the logical relation of arranging with the UID that can not rewrite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02158933.XA CN1419213A (en) | 2002-12-27 | 2002-12-27 | RF electronic label data encryption anti-counterfeit method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02158933.XA CN1419213A (en) | 2002-12-27 | 2002-12-27 | RF electronic label data encryption anti-counterfeit method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1419213A true CN1419213A (en) | 2003-05-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02158933.XA Pending CN1419213A (en) | 2002-12-27 | 2002-12-27 | RF electronic label data encryption anti-counterfeit method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1419213A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100345149C (en) * | 2006-03-17 | 2007-10-24 | 清华大学 | Enciphering authentication for radio-frequency recognition system |
| CN100353374C (en) * | 2004-04-23 | 2007-12-05 | 株式会社Ntt都科摩 | ID tag, tag reader, ID tag safety system and ID tag transmitting and recovering methods |
| CN100361148C (en) * | 2004-07-08 | 2008-01-09 | 富士通株式会社 | Non-contact IC recording medium, recording medium managing program, and recording medium managing method |
| CN100562902C (en) * | 2004-08-13 | 2009-11-25 | 意大利电信股份公司 | Be used for the method and system that safety management is stored in the data on the electronic tag |
| CN101894282A (en) * | 2010-06-17 | 2010-11-24 | 深圳市科陆软件有限公司 | Access method of mass data in RFID (Radio Frequency Identification Device) electronic tag |
| CN1805444B (en) * | 2005-01-11 | 2011-12-14 | 株式会社Ntt都科摩 | Content distribution system and method |
-
2002
- 2002-12-27 CN CN02158933.XA patent/CN1419213A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100353374C (en) * | 2004-04-23 | 2007-12-05 | 株式会社Ntt都科摩 | ID tag, tag reader, ID tag safety system and ID tag transmitting and recovering methods |
| CN100361148C (en) * | 2004-07-08 | 2008-01-09 | 富士通株式会社 | Non-contact IC recording medium, recording medium managing program, and recording medium managing method |
| CN100562902C (en) * | 2004-08-13 | 2009-11-25 | 意大利电信股份公司 | Be used for the method and system that safety management is stored in the data on the electronic tag |
| CN1805444B (en) * | 2005-01-11 | 2011-12-14 | 株式会社Ntt都科摩 | Content distribution system and method |
| CN100345149C (en) * | 2006-03-17 | 2007-10-24 | 清华大学 | Enciphering authentication for radio-frequency recognition system |
| CN101894282A (en) * | 2010-06-17 | 2010-11-24 | 深圳市科陆软件有限公司 | Access method of mass data in RFID (Radio Frequency Identification Device) electronic tag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |