CN103227793A - RFID equipment layer information security transfer method and device based on random sequence - Google Patents
RFID equipment layer information security transfer method and device based on random sequence Download PDFInfo
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- CN103227793A CN103227793A CN201310154126XA CN201310154126A CN103227793A CN 103227793 A CN103227793 A CN 103227793A CN 201310154126X A CN201310154126X A CN 201310154126XA CN 201310154126 A CN201310154126 A CN 201310154126A CN 103227793 A CN103227793 A CN 103227793A
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Abstract
The invention discloses an RFID (Radio Frequency Identification) equipment layer information security transfer method based on a random sequence. The method is used for communication between an RFID equipment management layer and RFID hardware equipment, and comprises the steps that the RFID equipment management layer is authenticated; whether label sensitive information is read is judged; if so, the RFID equipment management layer conducts encryption according to a pseudo random number, a label sequence number and a key, and sends to an RFID reader-writer; the RFID reader-writer conducts verification encryption according to the pseudo random number, the label sequence number, the label sensitive information and the key, and sends to the RFID equipment management layer; and the RFID equipment management layer conducts decryption according to a random number, the pseudo random number and the key, and acquires the label sensitive information. The invention further provides an RFID equipment layer information security transfer device based on the random sequence. The method and the device can prevent tracking, prevent an illegal user from acquiring label data, prevent label impersonation, prevent a replay attack, and reduce the possibility of a denial of service attack.
Description
Technical field
The present invention relates to the RFID technical field, relate in particular to the information security transmission of RFID mechanical floor.
Background technology
Security protocol is the communication protocol that is based upon on the cryptographic system basis, it is a kind of high interworking protocol of finishing purposes such as electronic transaction that reaches encryption key distribution, authentication and safety by means of cryptographic algorithm, it runs in the various communication systems, has formulated the regulation of a series of execution in step for the each side of demand for security.Its fail safe relates generally to authentication property, confidentiality, integrality and non-repudiation etc.Because the low-cost requirement of electronic tag, the focusing on of RFID Research on Security Technology developed the mechanism with certain security intensity under label Limited resources condition.
Up to now, there have been many RFID security protocols to be suggested, as Hash chain agreement, change agreement, the RFID of digital library agreement, distributed RFID query-response authentication protocol, LCAP agreement, encryption mechanism etc. once more based on the ID of Hash.
The security protocol of current existence all exists some defectives and unsafe factor.Current RFID equipment control layer is used in mobile device and Distributed Application gradually, new safety problem and hidden danger will be brought, except traditional eavesdropping is stolen, also may produce the distinctive potential safety hazard of network, therefore must improve current security protocol, formulate the security protocol of the suitable RFID equipment control layer that makes new advances.
Summary of the invention
Problem based on above-mentioned prior art existence, the present invention proposes a kind of RFID mechanical floor information security transmission method based on random sequence, the present invention is applicable to the communication between RFID equipment control layer and the RFID hardware device, can solve to prevent to follow the tracks of, prevent that the disabled user from obtaining label data, prevent the label personation, prevent Replay Attack, reducing the problem of the possibility that suffers Denial of Service attack.
For reaching this purpose, the present invention by the following technical solutions:
A kind of RFID mechanical floor information security transmission method based on random sequence, this method is used for the communication between RFID equipment control layer and the RFID hardware device, comprising:
Authentication RFID equipment control layer;
Judge whether the reading tag sensitive information, if then carry out following steps;
RFID equipment control layer carries out encrypting and transmitting according to pseudo random number, tag serial number and key and gives rfid interrogator;
Rfid interrogator verifies that according to pseudo random number, tag serial number, label sensitive information and key encrypting and transmitting gives RFID equipment control layer;
RFID equipment control layer is decrypted according to random number, pseudo random number and key and obtains the label sensitive information.
Further, described authentication RFID equipment control layer comprises:
RFID equipment control layer sends reading tag instruction and random number;
The rfid interrogator reading tag is carried out cryptographic calculation and ciphertext is sent to RFID equipment control layer together with the pseudo random number of label according to random number, pseudo random number, tag serial number and key;
RFID equipment control layer sends the Database Systems of the pseudo random number of random number, ciphertext and label to background server;
The background server system is according to the pseudo random number authentication RFID equipment control layer of random number, ciphertext and label.
Further, described RFID equipment control layer transmission reading tag instruction and random number comprise:
RFID equipment control course rfid interrogator sends the reading tag instruction;
The random number that described RFID equipment control layer is produced is sent to described rfid interrogator.
Further, described rfid interrogator reading tag, carry out cryptographic calculation and ciphertext sent to RFID equipment control layer together with the pseudo random number of label comprising according to random number, pseudo random number, tag serial number and key:
Utilizing and storing random sequence value well is that each label produces a pseudo random number, use the pseudo random number and the described tag serial number of described random number, described label to carry out cryptographic calculation, the formation ciphertext sends to described RFID equipment control layer together with the pseudo random number of label.
Further, described cryptographic calculation method is:
Wherein Hk () represents the unidirectional Hash computing that utilizes key k to carry out,
Represent XOR, Rr represents described random number, and N represents the pseudo random number of described label, and Meta ID represents described tag serial number.
Further, described background server system comprises according to the pseudo random number authentication RFID equipment control layer of random number, ciphertext and label:
The key of tag serial number and described tag serial number calculates in the database according to being stored in the background server system;
Judge
Whether set up, wherein Hk () represents the unidirectional Hash computing that utilizes key to carry out,
Represent XOR, Rr represents described random number, and N represents the pseudo random number of described label, and M1 represents described ciphertext, and Meta ID represents described tag serial number, if set up the authentication of then finishing described RFID equipment control layer;
The key of tag serial number and described tag serial number is sent to described RFID equipment control layer.
Further, described RFID equipment control layer carries out encrypting and transmitting according to pseudo random number, tag serial number and key and comprises to rfid interrogator:
Described RFID equipment control layer uses the pseudo random number of described label, described tag serial number and key to calculate;
Form ciphertext
Send to described rfid interrogator, wherein Hk () represents the unidirectional Hash computing that utilizes key to carry out,
Represent XOR, N represents the pseudo random number of described label, and Meta ID represents described tag serial number.
Further, described rfid interrogator verifies that according to pseudo random number, tag serial number, label sensitive information and key encrypting and transmitting comprises for RFID equipment control layer:
The rfid interrogator checking
Whether set up, wherein Hk () represents the unidirectional Hash computing that utilizes key to carry out,
Represent XOR, N represents the pseudo random number of described label, if set up then described RFID equipment control layer authentication success;
Encrypt and form ciphertext
Wherein Hk () represents the unidirectional Hash computing that utilizes key to carry out,
Represent XOR, N represents the pseudo random number of described label, and Rr represents random number, and X represents the label sensitive information, and ciphertext M3 is sent to described RFID equipment control layer.
Further, described RFID equipment control layer is decrypted the decryption method of obtaining the label sensitive information according to random number, pseudo random number and key and is:
Wherein Hk () represents the unidirectional Hash computing that utilizes key to carry out,
Represent XOR, X represents the label sensitive information, and N represents the pseudo random number of label, and Rr represents random number.
The present invention also provides a kind of RFID mechanical floor information security transfer device based on random sequence, comprising:
Authentication module is used to authenticate RFID equipment control layer;
Judge module is used to judge whether the reading tag sensitive information;
RFID mechanical floor administration module is used for RFID equipment control layer and carries out encrypting and transmitting to rfid interrogator according to pseudo random number, tag serial number and key;
The rfid interrogator administration module is used for rfid interrogator and verifies that according to pseudo random number, tag serial number, label sensitive information and key encrypting and transmitting gives RFID equipment control layer;
RFID equipment control layer is decrypted according to random number, pseudo random number and key and obtains the label sensitive information.
The present invention is applicable to the communication between RFID equipment control layer and the RFID hardware device, can solve to prevent to follow the tracks of, prevent that the disabled user from obtaining label data, prevent the label personation, prevent Replay Attack, reducing the problem of the possibility that suffers Denial of Service attack.
Description of drawings
Fig. 1 is the flow chart of the embodiment of the invention one based on the RFID mechanical floor information security transmission method of random sequence.
Fig. 2 is the flow chart of the embodiment of the invention two based on the RFID mechanical floor information security transmission method of random sequence.
Fig. 3 is the schematic diagram of the embodiment of the invention two based on the RFID mechanical floor information security transmission method of random sequence.
Fig. 4 is the structural representation of the embodiment of the invention three based on the RFID mechanical floor information security transfer device of random sequence.
Embodiment
The present invention is described in further detail below in conjunction with drawings and Examples.Be understandable that specific embodiment described herein only is used to explain the present invention, but not limitation of the invention.Also need to prove in addition, for convenience of description, only show part related to the present invention in the accompanying drawing but not entire infrastructure.
In the embodiment of the invention, suppose that the information transfer channel between rfid interrogator and the equipment control layer is unsafe wireless channel, the assailant may intercept all information in cable network or the wireless channel.We use code name, and X represents the sensitive information in the label, share a key k between database and the label that each is legal, and Hk (X) expression is carried out unidirectional Hash computing with key k to message X.For fear of information leakage and tracked, the present invention adopts Metal ID to replace at this moment label.
The flow chart that figure 1 illustrates that the embodiment of the invention one provides based on the RFID mechanical floor information security transmission method of random sequence.
101: authentication RFID equipment control layer;
102: judge whether the reading tag sensitive information, if then carry out following steps;
103:RFID equipment control layer carries out encrypting and transmitting according to pseudo random number, tag serial number and key and gives rfid interrogator, and specifically comprise: described RFID equipment control layer uses the pseudo random number of described label, described tag serial number and key to calculate; Form ciphertext
Send to described rfid interrogator, wherein N represents the pseudo random number of described label, and Meta ID represents described tag serial number.
The 104:RFID read write line verifies that according to pseudo random number, tag serial number, label sensitive information and key encrypting and transmitting gives RFID equipment control layer, specifically comprises: the rfid interrogator checking
Whether set up, wherein N, if set up then described RFID equipment control layer authentication success if representing the pseudo random number of described label; Encrypt and form ciphertext
Ciphertext M3 is sent to described RFID equipment control layer.
105:RFID equipment control layer is decrypted according to random number, pseudo random number and key and obtains the label sensitive information,
Wherein X represents the label sensitive information, and N represents the pseudo random number of label, and Rr represents random number.
On behalf of implication, computing in the above step and function be described as follows:
Hk () representative utilizes key k to carry out unidirectional Hash computing;
The present invention is used for the communication between RFID equipment control layer and the RFID hardware device, based on random sequence and random number the label sensitive information is encrypted, can be prevented to follow the tracks of, prevent that the disabled user from obtaining label data, prevent label personation, prevent Replay Attack, reducing and suffer the possibility of Denial of Service attack.
The flow chart that figure 2 illustrates that the embodiment of the invention two provides based on the RFID mechanical floor information security transmission method of random sequence.
201: authentication RFID equipment control layer;
Wherein, the concrete steps of authentication RFID equipment control layer are:
2011:RFID equipment control layer sends reading tag instruction and random number, is specially: RFID equipment control course rfid interrogator sends the reading tag instruction, and the random number that described RFID equipment control layer is produced is sent to described rfid interrogator.
2012:RFID read write line reading tag, carry out cryptographic calculation and ciphertext is sent to RFID equipment control layer together with the pseudo random number of label according to random number, pseudo random number, tag serial number and key, be specially: utilizing and storing random sequence value well is that each label produces a pseudo random number, use the pseudo random number and the described tag serial number of described random number, described label to carry out cryptographic calculation, form ciphertext
Pseudo random number together with label sends to described RFID equipment control layer.
2013:RFID equipment control layer sends the Database Systems of the pseudo random number of random number, ciphertext and label to background server.
2014: the background server system is specially according to the pseudo random number of random number, ciphertext and label authentication RFID equipment control layer: the key of tag serial number and described tag serial number calculates in the database according to being stored in the background server system; Judge
Whether set up, if set up the authentication of then finishing described RFID equipment control layer; The key of tag serial number and described tag serial number is sent to described RFID equipment control layer.
202: judge whether the reading tag sensitive information, if then carry out following steps;
203:RFID equipment control layer carries out encrypting and transmitting according to pseudo random number, tag serial number and key and gives rfid interrogator, and specifically comprise: described RFID equipment control layer uses the pseudo random number of described label, described tag serial number and key to calculate; Form ciphertext
Send to described rfid interrogator, wherein N represents the pseudo random number of described label, and Meta ID represents described tag serial number.
The 204:RFID read write line verifies that according to pseudo random number, tag serial number, label sensitive information and key encrypting and transmitting gives RFID equipment control layer, specifically comprises: the rfid interrogator checking
Whether set up, wherein N, if set up then described RFID equipment control layer authentication success if representing the pseudo random number of described label; Encrypt and form ciphertext
Ciphertext M3 is sent to described RFID equipment control layer.
205:RFID equipment control layer is decrypted according to random number, pseudo random number and key and obtains the label sensitive information,
Wherein X represents the label sensitive information, and N represents the pseudo random number of label, and Rr represents random number.
On behalf of implication, computing in the above step and function be described as follows:
Hk () representative utilizes key k to carry out unidirectional Hash computing;
The schematic diagram that Fig. 3 shows that the embodiment of the invention two provides based on the RFID mechanical floor information security transmission method of random sequence.
The embodiment of the invention two has further described the method for authentication RFID equipment control layer with respect to embodiment one, according to random number, pseudo random number, tag serial number and key RFID equipment control layer is authenticated, can prevent to follow the tracks of, prevent that the disabled user from obtaining label data, prevent label personation, prevent Replay Attack, reducing and suffer the possibility of Denial of Service attack.
Fig. 4 is the structural representation of the embodiment of the invention three based on the RFID mechanical floor information security transfer device of random sequence., as shown in Figure 4, this device comprises: authentication module 401, judge module 402, RFID mechanical floor administration module 403, rfid interrogator administration module 404 and RFID mechanical floor deciphering module 405.
Wherein, authentication module 401 is used to authenticate RFID equipment control layer; Judge module 402 is used to judge whether the reading tag sensitive information; RFID mechanical floor administration module 403 is used for RFID equipment control layer and carries out encrypting and transmitting to rfid interrogator according to pseudo random number, tag serial number and key; Rfid interrogator administration module 404 is used for rfid interrogator and verifies that according to pseudo random number, tag serial number, label sensitive information and key encrypting and transmitting gives RFID equipment control layer; RFID mechanical floor deciphering module 405 is used for RFID equipment control layer and is decrypted according to random number, pseudo random number and key and obtains the label sensitive information.
RFID mechanical floor information security transfer device based on random sequence provided by the invention can prevent to follow the tracks of, prevent that the disabled user from obtaining label data, prevent label personation, prevent Replay Attack, reducing and suffer the possibility of Denial of Service attack.
Notice that above-mentioned only is preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that to the invention is not restricted to specific embodiment described here, can carry out various obvious variation for a person skilled in the art, readjust and substitute and can not break away from protection scope of the present invention.Therefore, though by above embodiment the present invention has been carried out comparatively detailed explanation, the present invention is not limited only to above embodiment, under the situation that does not break away from the present invention's design, can also comprise more other equivalent embodiment, and scope of the present invention is by appended claim scope decision.
Claims (10)
1. RFID mechanical floor information security transmission method based on random sequence, this method is used for the communication between RFID equipment control layer and the RFID hardware device, comprising:
Authentication RFID equipment control layer;
Judge whether the reading tag sensitive information, if then carry out following steps;
RFID equipment control layer carries out encrypting and transmitting according to pseudo random number, tag serial number and key and gives rfid interrogator;
Rfid interrogator verifies that according to pseudo random number, tag serial number, label sensitive information and key encrypting and transmitting gives RFID equipment control layer;
RFID equipment control layer is decrypted according to random number, pseudo random number and key and obtains the label sensitive information.
2. the RFID mechanical floor information security transmission method based on random sequence according to claim 1 is characterized in that, described authentication RFID equipment control layer comprises:
RFID equipment control layer sends reading tag instruction and random number;
The rfid interrogator reading tag is carried out cryptographic calculation and ciphertext is sent to RFID equipment control layer together with the pseudo random number of label according to random number, pseudo random number, tag serial number and key;
RFID equipment control layer sends the Database Systems of the pseudo random number of random number, ciphertext and label to background server;
The background server system is according to the pseudo random number authentication RFID equipment control layer of random number, ciphertext and label.
3. the RFID mechanical floor information security transmission method based on random sequence according to claim 2 is characterized in that, described RFID equipment control layer sends the reading tag instruction and random number comprises:
RFID equipment control course rfid interrogator sends the reading tag instruction;
The random number that described RFID equipment control layer is produced is sent to described rfid interrogator.
4. the RFID mechanical floor information security transmission method based on random sequence according to claim 2, it is characterized in that, described rfid interrogator reading tag, carry out cryptographic calculation and ciphertext sent to RFID equipment control layer together with the pseudo random number of label comprising according to random number, pseudo random number, tag serial number and key:
Utilizing and storing random sequence value well is that each label produces a pseudo random number, use the pseudo random number and the described tag serial number of described random number, described label to carry out cryptographic calculation, the formation ciphertext sends to described RFID equipment control layer together with the pseudo random number of label.
5. the RFID mechanical floor information security transmission method based on random sequence according to claim 4, it is characterized in that, described cryptographic calculation method is: M1=Hk ((Rr ⊕ N) ⊕ Meta ID), wherein Hk () represents the unidirectional Hash computing that utilizes key k to carry out, ⊕ represents XOR, Rr represents described random number, and N represents the pseudo random number of described label, and Meta ID represents described tag serial number.
6. the RFID mechanical floor information security transmission method based on random sequence according to claim 2 is characterized in that, described background server system comprises according to the pseudo random number authentication RFID equipment control layer of random number, ciphertext and label:
The key of tag serial number and described tag serial number calculates in the database according to being stored in the background server system;
Judge whether Meta ID=M1 ⊕ Hk (Rr ⊕ N) sets up, wherein the unidirectional Hash computing that utilizes key to carry out is represented in the Hk representative, ⊕ represents XOR, Rr represents described random number, N represents the pseudo random number of described label, M1 represents described ciphertext, and Meta ID represents described tag serial number, if set up the authentication of then finishing described RFID equipment control layer;
The key of tag serial number and described tag serial number is sent to described RFID equipment control layer.
7. the RFID mechanical floor information security transmission method based on random sequence according to claim 1 is characterized in that described RFID equipment control layer carries out encrypting and transmitting according to pseudo random number, tag serial number and key and comprises to rfid interrogator:
Described RFID equipment control layer uses the pseudo random number of described label, described tag serial number and key to calculate;
Form ciphertext M2=Hk (N) ⊕ Meta ID and send to described rfid interrogator, wherein Hk () represents the unidirectional Hash computing that utilizes key to carry out, and ⊕ represents XOR, and N represents the pseudo random number of described label, and Meta ID represents described tag serial number.
8. the RFID mechanical floor information security transmission method based on random sequence according to claim 1, it is characterized in that described rfid interrogator verifies that according to pseudo random number, tag serial number, label sensitive information and key encrypting and transmitting comprises for RFID equipment control layer:
Whether rfid interrogator checking Meta ID=M2 ⊕ Hk (N) sets up, and wherein Hk () represents the unidirectional Hash computing that utilizes key to carry out, and ⊕ represents XOR, and N represents the pseudo random number of described label, if set up then described RFID equipment control layer authentication success;
Encrypt and form ciphertext M3=Hk (N ⊕ Rr) ⊕ X, wherein Hk () represents the unidirectional Hash computing that utilizes key to carry out, and ⊕ represents XOR, N represents the pseudo random number of described label, Rr represents random number, and X represents the label sensitive information, and ciphertext M3 is sent to described RFID equipment control layer.
9. the RFID mechanical floor information security transmission method based on random sequence according to claim 1, it is characterized in that, described RFID equipment control layer is decrypted the decryption method of obtaining the label sensitive information according to random number, pseudo random number and key and is: X=Hk (N ⊕ Rr) ⊕ M3, wherein Hk () represents the unidirectional Hash computing that utilizes key to carry out, ⊕ represents XOR, X represents the label sensitive information, and N represents the pseudo random number of label, and Rr represents random number.
10. the RFID mechanical floor information security transfer device based on random sequence is characterized in that, comprising:
Authentication module is used to authenticate RFID equipment control layer;
Judge module is used to judge whether the reading tag sensitive information;
RFID mechanical floor administration module is used for RFID equipment control layer and carries out encrypting and transmitting to rfid interrogator according to pseudo random number, tag serial number and key;
The rfid interrogator administration module is used for rfid interrogator and verifies that according to pseudo random number, tag serial number, label sensitive information and key encrypting and transmitting gives RFID equipment control layer;
RFID mechanical floor deciphering module is used for RFID equipment control layer and is decrypted according to random number, pseudo random number and key and obtains the label sensitive information.
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| CN106487495A (en) * | 2016-11-03 | 2017-03-08 | 北京石油化工学院 | Lightweight RFID authentication method based on integer chaos |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103606251A (en) * | 2013-11-19 | 2014-02-26 | 深圳市九洲电器有限公司 | Automatic target-seeking method and set top box |
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| CN106302514A (en) * | 2016-09-06 | 2017-01-04 | 苏州协鑫集成科技工业应用研究院有限公司 | The dynamic encrypting method of memory card and decryption method and device thereof |
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| CN106487495B (en) * | 2016-11-03 | 2019-12-20 | 北京石油化工学院 | Lightweight RFID authentication method based on integer chaos |
| CN110443326A (en) * | 2019-07-11 | 2019-11-12 | 国网上海市电力公司 | A method of improving RFID tag system safety |
| CN110443326B (en) * | 2019-07-11 | 2023-03-28 | 国网上海市电力公司 | Method for improving safety of RFID (radio frequency identification) tag system |
| CN111552538A (en) * | 2020-04-21 | 2020-08-18 | 深圳信息职业技术学院 | Virtual simulation-based training system construction method and device and computer equipment |
| CN111552538B (en) * | 2020-04-21 | 2023-03-24 | 深圳信息职业技术学院 | Virtual simulation-based training system construction method and device and computer equipment |
| CN114580591A (en) * | 2020-11-30 | 2022-06-03 | Psdl株式会社 | Counterfeit-proof label, authentication server, and authentication program |
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