CN102402672A - RFID (radio frequency identification) ultra-high-frequency safe air interface protocol applied to vehicle environments - Google Patents
RFID (radio frequency identification) ultra-high-frequency safe air interface protocol applied to vehicle environments Download PDFInfo
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- CN102402672A CN102402672A CN2010102799379A CN201010279937A CN102402672A CN 102402672 A CN102402672 A CN 102402672A CN 2010102799379 A CN2010102799379 A CN 2010102799379A CN 201010279937 A CN201010279937 A CN 201010279937A CN 102402672 A CN102402672 A CN 102402672A
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Abstract
The invention discloses a RFID (radio frequency identification) ultra-high-frequency safe air interface protocol applied to vehicle environments, which aims to increase communication efficiency and safety between an RFID reading device and an RFID tag in a vehicle application environment. The RFID ultra-high-frequency safe air interface protocol comprises the RFID tag, the reading device, a communication antenna, a background system, a bidirectional authentication mechanism and a storage protection mechanism of the RFID tag, the reading device is used for realizing information interaction with the RFID tag, the communication antenna is arranged between the reading device and the RFID tag, the background system is used for realizing information interaction with the reading device, the bidirectional authentication mechanism is arranged between the reading device and the RFID tag, a safety module is embedded in the reading device, another safety module is embedded in the RFID tag, bidirectional authentication is realized between the reading device and the RFID tag via the safety modules, and safety protection to storage of the RFID tag is realized by the aid of the safety modules and grading of storage areas of the RFID tag. Compared with the prior art, the RFID ultra-high-frequency safe air interface protocol has the advantages that interaction frequency is reduced, interaction time is shortened, and simultaneously safety performance of RFID application is improved.
Description
Technical field
The present invention relates to a kind of RFID safety communicating method, particularly a kind of RFID ultrahigh frequency safety air protocol that is applied to relate to the car environment.
Background technology
(Radio Frequency Identification, RFID) technology are a kind of non-contact automatic identification technology that utilizes radio communication to realize (following common name RFID technology) to RF identification.The RFID label has characteristics such as volume is little, capacity is big, the life-span is long, reusable, can support fast reading and writing, non-visual recognition, mobile identification, multiple goal identification, location and long-term follow management.The RFID technology combines with technology such as internet, communications, can realize item tracking and information sharing in the global range.The RFID technology is applied to industries such as logistics, manufacturing, public information service, can significantly improve management and operational paradigm, reduces cost.Along with correlation technique constantly improve and ripe, the RFID industry will become a rising high tech industrial colony, become the national economy new growth point.Therefore, it is technological to study RFID, and development RFID industry exerts far reaching influence to promoting aspects such as social informatization level, promotion sustainable economic development, raising people's living standard, enhancing public safety and national defense safety, has strategic important meaning.
Traffic is the key issue of modern economy life, environmental quality, and along with the fast development of China's economic society, China has become global automobile consumption big country, and by in by the end of June, 2009, national vehicle guaranteeding organic quantity is 176,551,129.Along with the development of RFID technology, become the importance that RFID uses gradually relating to the car field.Because in the vehicle ' process, label also is in the rapid movement, reliably reads for label and bring challenges.The air protocol of RFID ultrahigh frequency mainly is an ISO18000-6 series at present; ISO18000-6A, ISO18000-6B, ISO18000-6C are more typically arranged; But in the above agreement; Except ISO18000-6C is specially to logistics field designs, other all are universal RFID ultrahigh frequency air protocol, are the ISO18000-6B agreements what relate to that the car field mainly adopts.In view of the national conditions of China, simple quote international standard and can bring certain risk, particularly aspect the security control of vehicle, need domestic autonomous and special to the RFID label air protocol that relates to the car environment.
Basically be in the blank stage relating under the car environment the special-purpose safe air protocol research of ultrahigh frequency both at home and abroad at present; Have in the existing research of RFID air protocol security: Hash-Lock agreement [1] utilizes metaID that the ID of label is stashed, and utilizes background data base to search the real ID of label then; Repeat cryptographic protocol [2] and through the third-party institution label substance is rewritten, above-mentioned two kinds of data interactions that in the time of processing RF ID label data, need the long period are difficult to satisfy and relate to car and under rapid movement, label data is carried out alternately.This paper is basic demand through relating to the analysis of car environment with the information security, realizes that in vehicle rapid movement situation label data reliably is read as basic function, proposes a kind of car environment RFID ultrahigh frequency safety air protocol that is applied to relate to.
Summary of the invention
The present invention overcomes deficiency of the prior art, and a kind of RFID ultrahigh frequency safety air protocol that is applied to relate to the car environment is provided, and is intended to improve relate to the efficient and the security of communicating by letter between the RFID reading device and RFID label under the car applied environment.
Technical matters to be solved by this invention realizes through following technical scheme:
A kind of RFID ultrahigh frequency safety air protocol that is applied to relate to the car environment; It is characterized in that it comprises: the RFID label, in order to and said RFID label carry out between the reading device of information interaction, said reading device and the said RFID label communication antenna, in order to and said reading device carry out bidirectional authentication mechanism and the storage protection mechanism of RFID label between the background system of information interaction, said reading device and the said RFID label; In said reading device, embed security module; In said RFID label, embed security module; Realize two-way authentication through security module between said reading device and the said RFID label, realize the safeguard protection of RFID tag storage through security module and said RFID tag memory areas classification.
Among the present invention, with the communication of RFID communication modes, pass through the memory protection that security module realizes two-way authentication and said RFID label between said reading device and the said RFID label between said RFID label and the said reading device.
Among the present invention; Said security module possesses the function of data encryption/decryption, authority information storage and checking, authentication information generation and checking, data signature and checking; And have following characteristic: it is at random that said security module generates the data encryption/decryption key, and is disposable; It is at random that said security module generates authentication information, and is disposable; Encryption/decryption algorithm in the said security module, authentication information generate and verification algorithm is covert.Said security module is provided by authority's the third-party institution, and embeds its authority information according to the use of said reading device and said RFID label, and security module can be set to renewable state, so that the operation of follow-up system update.
Among the present invention, the job step of said bidirectional authentication mechanism is following:
Said reading device is selected a said RFID label, and said reading device sends the selection label signal to the said security module and the said RFID label that embed wherein simultaneously;
When said reading device or said RFID label said security module separately receive select label signal after; The initialization of two security module difference generates authentication code and communication key; Authentication code is the random code that is produced by the security module identifying algorithm; Communication key is only effective in said reading device and said this communication process of RFID label; Said security module becomes authentication information with communication key to the random authentication code encryption, and said reading device sends to said RFID label with authentication information and carries out authentication;
The said security module that is embedded in the said RFID label receives authentication information; Authentication information is deciphered and authentication; If authentication is not passed through, this sign off is if authentication is passed through; Identification information, authentication code that its security module is encrypted said RFID label with communication key generate authentication information, and authentication information is sent to said reading device;
After said reading device was received authentication information, decrypted authentication information was also verified the legitimacy of said RFID label, if authentication through note the identification information of said RFID label, authentication is accomplished.
When said RFID label is in the quick applied environment that moves of vehicle, only need the identification information of the said RFID label of record just can accomplish communication, and reading device described in the whole communication process and said RFID label have only three secondary data mutual.
Among the present invention, said RFID label is provided with public data storage area, private data storage area, signature check data storage areas, and the public data storage area is divided into several subpool territories, and each zone has corresponding access limit.Subpool territory in different storage regions and the public data storage area needs the said reading device of corresponding authority and just can read and write, and has improved safety of data in the said RFID label.
Compared with prior art, advantage of the present invention is to have reduced interaction times and time, has improved the security performance that RFID uses simultaneously.
Description of drawings
Fig. 1 is a system construction drawing of the present invention;
Fig. 2 is authentication mechanism process flow diagram among the present invention;
Fig. 3 is the memory area configuration figure of RFID label among the present invention;
Fig. 4 carries out the process flow diagram of read operation to the RFID label for reading device among the present invention;
Fig. 5 carries out write operation for reading device among the present invention to the RFID label process flow diagram;
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
As shown in Figure 1; A kind of RFID ultrahigh frequency safety air protocol that is applied to relate to the car environment, it comprises: RFID label 1, in order to and RFID label 1 carry out between reading device 4, reading device 4 and the RFID label 1 of information interaction communication antenna 3, in order to carry out the background system 6 of information interaction with reading device 4; In reading device 4, embed security module 5; In RFID label 1, embed security module 2; Realize two-way authentication through security module 2 and security module 5 between reading device 4 and the RFID label 1, realize the safeguard protection of RFID label 1 storage through the storage area classification of security module 2, security module 5 and RFID label 1.
Carry out communication through communication antenna 3 between RFID label 1 and the reading device 4, pass through the memory protect of security module 2 and security module 5 realization two-way authentications and RFID label 1 between reading device 4 and the RFID label 1.
Security module 2 and security module 5 possess the function of data encryption/decryption, authority information storage and checking, authentication information generation and checking, data signature and checking; And have following characteristic: it is at random that security module 2 generates the data encryption/decryption key with security module 5, and is disposable; It is at random that security module 2 generates authentication information with security module 5, and is disposable; Encryption/decryption algorithm in security module 2 and the security module 5, authentication information generate and verification algorithm is covert.
Security module 2 is provided with the third-party institution of security module 5 by authority; And according to embedded its authority information of the use of reading device and RFID label; And security module 2 can be set to renewable state with security module 5, so that follow-up operations such as system upgrade.
As shown in Figure 2, the authentication mechanism between RFID label and the reading device mainly is the two-way authentication that realizes between reading device and the RFID label through security module 1 and security module 2.Its authenticating step is following:
When reading device is found new RFID label, reading device sends to reading device security module 1 and RFID label simultaneously and selects RFID label signal SelectTag;
The security module 1 of reading device and RFID label receive the SelectTag order after; The RFID label notifies its security module 2 to prepare newly to be connected with the foundation of reading device; Security module 1 initialization generates random authentication sign indicating number ReaderAuthCode and disposable communication link symmetric key ReaderSymKey; Security module 2 initialization generate random authentication sign indicating number TagAuthCode and disposable communication link symmetric key ReaderSymKey; TagSymKey, key are that authentication code is the random code that is produced by the security module identifying algorithm at reading device and all effective link encryption/decruption key of RFID label communication overall process.
The security module 1 usefulness ReaderSymKey of reading device encrypts ReaderAuthCode; Encrypted result EReaderAuthCode and communication key ReaderSymKey are sent to the RFID label and carry out authentication by security module 2 by reading device; RFID label security module 2 utilizes the communication key ReaderSymKey of decipherment algorithm and reading device that EReaderAuthCode is deciphered; And whether the result who judges deciphering be that legal security module produces, if sign off is not then passed through in authentication; Otherwise security module 2 usefulness RFID label communication cipher key T agSymKey encrypt RFID label ID number (TagID), RFID smart-tag authentication sign indicating number TagAuthCode, and encrypted result EtagAuthCode and TagSymKey are sent to reading device carry out authentication;
After reading device was received EtagAuthCode and TagSymKey, by the legitimacy of security module 1 authentication RFID label, authentication was through the TagID of record RFID label, otherwise sign off; When the RFID label is relating in the car applied environment; Because it is in the fast moving state, only need the identity information of record RFID label, communication just can finish; Have only 3 communication interactions promptly to accomplish the identity information that writes down the RFID label among the embodiment and go up, reduced interaction times.The result that the reading device authentication will be accomplished the RFID label reinforms the RFID label, and two-way authentication is accomplished.
As shown in Figure 3, the storage area of RFID label is divided into public data storage area, private data storage area, signature check data storage areas.Wherein each data storage areas is divided into several number according to the subarea by fixed size, and the data in the public data district also are divided into several hierarchical regions, all need be had recognizing read apparatus and just can reading and writing of corresponding authority by the storage area divided.
As shown in Figure 4, reading device carries out read operation to RFID label common storage zone, and its step is following:
After reading device and RFID label are accomplished mutual authentication; Reading device at first obtains to be kept at the reading device authority information in the security module 1; Security module 1 is encrypted authority information AuthorityCode with ReaderSymKey, and reading device sends to the RFID label with encrypted rights information EReaderAuthCode, visit public data area key word PublicZone and visit public data area subarea number SubZone;
2 pairs of reading device authority informations of security module are deciphered in the RFID label, differentiate its authority, through purview certification, obtain the signature DataSign of data and these data in the specific data internal memory, encrypt with TagSymKey and send reading device to;
After reading device was received data, certifying signature and deciphering restore data in the safe and secret module 1 of reading device as finding the imperfect data of then rejecting of data, read otherwise accomplish data.
As shown in Figure 5, reading device carries out write operation to RFID label common storage zone, and its step is following:
After reading device and RFID label are accomplished mutual authentication; Reading device at first obtains to be kept at the reading device authority information in the security module 1; Security module 1 is encrypted authority information AuthorityCode with ReaderSymKey, and reading device sends to the RFID label with encrypted rights information EReaderAuthCode, visit public data area key word PublicZone, visit public data area subarea number SubZone, the data Data that writes the RFID label and data signature DataSign;
2 pairs of reading device authority informations of security module are deciphered in the RFID label, differentiate its authority, if through purview certification, and return authentication failure result then, otherwise write data into designated storage area, and will operate successful information and return reading device;
After reading device is received operation, carry out related data and handle.
More than show and described ultimate principle of the present invention and principal character and advantage thereof.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (11)
1. RFID ultrahigh frequency safety air protocol that is applied to relate to the car environment; It is characterized in that it comprises: the RFID label, in order to and said RFID label carry out between the reading device of information interaction, said reading device and the said RFID label communication antenna, in order to and said reading device carry out bidirectional authentication mechanism and the storage protection mechanism of RFID label between the background system of information interaction, said reading device and the said RFID label; In said reading device, embed security module; In said RFID label, embed security module; Realize two-way authentication through security module between said reading device and the said RFID label, realize the safeguard protection of RFID tag storage through security module and said RFID tag memory areas classification.
2. RFID ultrahigh frequency safety air protocol according to claim 1; It is characterized in that; With the communication of RFID communication modes, pass through the memory protection that security module realizes two-way authentication and said RFID label between said reading device and the said RFID label between said RFID label and the said reading device.
3. according to claim 1 or the described RFID ultrahigh frequency of claim 2 safety air protocol, it is characterized in that said security module possesses the function of data encryption/decryption, authority information storage and checking, authentication information generation and checking, data signature and checking.
4. RFID ultrahigh frequency safety air protocol according to claim 3 is characterized in that, it is at random that said security module generates the data encryption/decryption key, and is disposable.
5. RFID ultrahigh frequency safety air protocol according to claim 3 is characterized in that, it is at random that said security module generates authentication information, and is disposable.
6. RFID ultrahigh frequency safety air protocol according to claim 3 is characterized in that, the encryption/decryption algorithm in the said security module, authentication information generate and verification algorithm is covert.
7. according to the above any described RFID ultrahigh frequency of claim safety air protocol, it is characterized in that said bidirectional authentication mechanism comprises the steps:
Said reading device is selected a said RFID label through anti-collision algorithms, and said reading device sends the selection label signal to the said security module and the said RFID label that embed wherein simultaneously;
When said reading device or said RFID label said security module separately receive select label signal after; The initialization of two security module difference generates authentication code and communication key; Said security module becomes authentication information with communication key to the random authentication code encryption, and said reading device sends to said RFID label with authentication information and carries out authentication;
The said security module that is embedded in the said RFID label receives authentication information; Authentication information is deciphered and authentication; If authentication is not passed through, this sign off is if authentication is passed through; Identification information, authentication code that its security module is encrypted said RFID label with communication key generate authentication information, and authentication information is sent to said reading device;
After said reading device was received authentication information, decrypted authentication information was also verified the legitimacy of said RFID label, if authentication through note the identification information of said RFID label, authentication is accomplished.
8. RFID ultrahigh frequency safety air protocol according to claim 1; It is characterized in that; Said security module is provided by authority's the third-party institution; And according to embedded its authority information of the use of said reading device and said RFID label, and security module can be set to renewable state, so that the operation of follow-up system update.
9. RFID ultrahigh frequency safety air protocol according to claim 1 is characterized in that said RFID label is provided with public data storage area, private data storage area, signature check data storage areas.
10. RFID ultrahigh frequency safety air protocol according to claim 8 is characterized in that the public data storage area of said RFID label is divided into several subpool territories, and each zone has corresponding access limit.
11. according to claim 9 or the described RFID ultrahigh frequency of claim 10 safety air protocol; It is characterized in that the subpool territory in the said RFID label in different storage regions and the public data storage area all needs the said reading device of corresponding authority and just can read and write.
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| CN103632174A (en) * | 2012-08-27 | 2014-03-12 | 中兴通讯股份有限公司 | Operation method and apparatus for public-private state tag |
| CN108021051A (en) * | 2016-10-31 | 2018-05-11 | 无锡云汇科技有限公司 | Industrial control unit (ICU) |
| CN111340484A (en) * | 2020-02-14 | 2020-06-26 | 支付宝(杭州)信息技术有限公司 | Payment verification method, device, system, storage medium and computer equipment |
| WO2021103117A1 (en) * | 2019-11-25 | 2021-06-03 | 独角兽网络科技（苏州）有限公司 | System for reading rfid tag data |
| CN113536286A (en) * | 2021-06-10 | 2021-10-22 | 山东特检鲁安工程技术服务有限公司 | Connection authentication system used between tank car and storage tank |
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Application publication date: 20120404 |