CN102034068A - Method and system for access control of radio frequency identification tag - Google Patents

Method and system for access control of radio frequency identification tag Download PDF

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Publication number
CN102034068A
CN102034068A CN2010105962917A CN201010596291A CN102034068A CN 102034068 A CN102034068 A CN 102034068A CN 2010105962917 A CN2010105962917 A CN 2010105962917A CN 201010596291 A CN201010596291 A CN 201010596291A CN 102034068 A CN102034068 A CN 102034068A
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CN
China
Prior art keywords
rfid tag
sign indicating
indicating number
unique identification
epc
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Pending
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CN2010105962917A
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Chinese (zh)
Inventor
赵董兴
马凯
吴中平
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ZTE Corp
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ZTE Corp
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Priority to CN2010105962917A priority Critical patent/CN102034068A/en
Publication of CN102034068A publication Critical patent/CN102034068A/en
Priority to PCT/CN2011/074196 priority patent/WO2012083632A1/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Near-Field Transmission Systems (AREA)
  • Storage Device Security (AREA)

Abstract

The invention discloses a method and a system for access control of a radio frequency identification tag. The method comprises the following steps of: configuring a unique identifier which is distinguished from an electronic product code (EPC) for the radio frequency identification tag, saving the unique identifier in another data region apart from an EPC region of the radio frequency identification tag, and performing access control on the data region; and acquiring the unique identifier from the data region when a reader is used for operating the radio frequency identification tag, and performing operation by using the unique identifier. In the invention, the unique identifier which is different from the EPC code is stored in another data region apart from the ECP region and the access control is performed on the data region, so the safety of the unique identifier is guaranteed, and the method is a safe and high-efficiency EPC application method; and in a sequential processing mode, the accessing efficiency of the tag is improved and the safety of the application is enhanced.

Description

To RFID tag conduct interviews control method and system
Technical field
The present invention relates to radio-frequency recognition system, relate in particular to a kind of method and system that RFID tag is conducted interviews and controls.
Background technology
Radio-frequency (RF) identification (Radio Frequency Identify, RFID) system comprises RFID tag (abbreviation label) and reader, it is a kind of contactless automatic identification technology, by the automatic recognition objective object of radiofrequency signal and obtain related data, identification work need not manual intervention, can work in various rugged surroundings.Being applied in as a lot of fields such as storage, logistics, traffic and gate control system, is most important a kind of application technology in the following Internet of Things.
EPC(product electronic code) standard is an EPC Global(whole world product electronic code) the most widely used radio-frequency (RF) identification standard of standardization body's issue, the EPC standard code opering characteristic of electric apparatus and the order of eating dishes without rice or wine of communicating by letter between reader and the label, can guarantee that the information of label can accurately and safely be obtained by reader.
Selection label (select) being arranged alternately, check (inventory), read (read), write (write), lock (lock) and kills operations such as (kill) between reader and the label.
Select label to be that reader is selected and want mutual label, selected label can add check and flow process such as read-write in, not selected will not respond.
Label counting is meant the EPC sign indicating number that obtains in the label, can enter flow processs such as read-write through this step back label.
The read and write operation then is to write or obtain some information that the user is concerned about in the label.
Locking is to the control that conducts interviews of wherein some information, has reached the purpose that the protection private information is not modified.
The information of label leaves four zones in.EPC has deposited in the district unique identification sign indicating number of label, general voucher as read write tag.The TID(tag serial number) sequence number of district's storage tags.RESERVE(keeps) district deposit label kill password and access code.USER(user) district is used to deposit customized information.Reader reads and revises content in the memory block by the order of eating dishes without rice or wine.
Common application process as shown in Figure 1, adopts the EPC sign indicating number as unique identification at present, comprising:
Step 101: by repeatedly checking the EPC sign indicating number that obtains all labels;
Step 102: carry out read-write operation, each read-write operation is specified according to acquired EPC sign indicating number and is wanted mutual label, the mutual label of of appointment checked again, and the operation that issues key, reads or writes.
In the said process, there are the following problems:
(1) when carrying out read or write at every turn, all to check and delivering key label, carried out repeatedly redundant checking and delivering key, the mutual operation of user and label is many more, and this amount of redundancy is big more.
(2) any reader can obtain label as uniquely identified EPC sign indicating number, and therefore the label of own distribution is probably usurped by unauthorized user, uses the EPC sign indicating number of label to dispose privately owned application, and stolen is very risky.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method, device and label that RFID tag is conducted interviews and controls, and realizes reducing the redundant operation of visit, the security that improves label.
For solving the problems of the technologies described above, a kind of method that RFID tag is conducted interviews and controls of the present invention comprises:
Be RFID tag configuration and other unique identification sign indicating number of product electronic code (EPC) phase region, this unique identification sign indicating number be saved in other data fields in addition, EPC district of RFID tag, and to the control that conducts interviews of this data field;
When reader is operated RFID tag, obtain the unique identification sign indicating number from the data field, use this unique identification sign indicating number to operate.
Further, this method also comprises: a plurality of RFID tag are adopted identical EPC.
Further, the step of obtaining the unique identification sign indicating number from the data field comprises:
Reader is preserved the access key that the data field is conducted interviews by the mode of encrypting, and generates the password that extracts access key according to cipher mode, and extracts access key;
After reader extracts access key, issue this access key, read the unique identification sign indicating number to RFID tag.
Further, reader obtains the unique identification sign indicating number from the data field before, also issue and check order,, after getting access to EPC, carry out and from the data field, obtain the unique identification sign indicating number to obtain the EPC of this RFID tag to RFID tag.
Further, after reader is finished operation to RFID tag, continue again to send and check order, and obtain the unique identification sign indicating number of this RFID tag, this RFID tag is operated to next RFID tag.
Further, a kind of system that RFID tag is conducted interviews and controls comprises: RFID tag and reader, wherein:
RFID tag disposes and other unique identification sign indicating number of product electronic code (EPC) phase region, and this unique identification sign indicating number is kept in other data fields in addition, EPC district of RFID tag, and this data field is provided with access control;
Reader is used for obtaining the unique identification sign indicating number from the data field when RFID tag is operated, and uses this unique identification sign indicating number to operate.
Further, the EPC of RFID tag is the common EPC that adopt of a plurality of RFID tag.
Further, reader is preserved the access key that the data field is conducted interviews by the mode of encrypting;
When reader obtains the unique identification sign indicating number from the data field, generate the password that extracts access key according to cipher mode, and extract access key, issue this access key, read the unique identification sign indicating number to RFID tag.
Further, reader also is used for before obtaining the unique identification sign indicating number from the data field, issues to RFID tag and checks order, to obtain the EPC of RFID tag, after getting access to EPC, carries out and obtain the unique identification sign indicating number from the data field.
Further, reader also is used for after the operation of finishing RFID tag, continues to check order to next RFID tag transmission again, and obtains the unique identification sign indicating number of this RFID tag, and this RFID tag is operated.
In sum, the present invention is stored in the different unique identification sign indicating number of EPC sign indicating number in other data fields beyond the ECP district, by control that this data field is conducted interviews, guaranteed the security of unique identification sign indicating number, be a kind of not only safety but also EPC application process efficiently, and the mode of employing sequential processes has improved the efficient to tag access, strengthened the security of using, can satisfy plurality of application scenes, not have simultaneously and omit and repetitive operation, reduce the mutual time between reader and the label.
Description of drawings
Fig. 1 is the process flow diagram of the method that label conducted interviews in the prior art;
Fig. 2 for present embodiment to the conduct interviews process flow diagram of method of control of RFID tag;
Fig. 3 for present embodiment to the conduct interviews Organization Chart of system of control of RFID tag.
Embodiment
Be different from the unique identification sign indicating number of EPC sign indicating number in the present embodiment for tag configurations; the unique identification sign indicating number is saved in other data fields in addition, EPC district; and to the protection that conducts interviews of this data field; make unauthorized reader can't get access to the unique identification sign indicating number of label; also just can't operation such as read and write to label; even unauthorized reader can get access to the EPC sign indicating number of label; but owing to can't get access to the unique identification sign indicating number of label; thereby the visit of label is protected; and; the EPC sign indicating number of label can also be configured to identically,, also can't usurp publisher's label and carry out private service even make unauthorized reader get access to the EPC sign indicating number of label.
Below in conjunction with accompanying drawing present embodiment is elaborated.
Be the method that realizes that present embodiment conducts interviews and controls RFID tag; need be different from the unique identification sign indicating number of EPC sign indicating number for tag configurations; and deposit unique identification in beyond the EPC district of label other data fields; USER district for example; and the visit protection such as is encrypted in this data field; can also be the identical EPC sign indicating number of a plurality of tag configurations; have only the publisher just can get access to the unique identification sign indicating number that leaves other data fields in like this; unauthorized reader can only get access to the identical EPC sign indicating number of label; because the EPC sign indicating number of numerous labels is all identical; therefore can not be as the sign of label; also just can't utilize label to carry out privately owned application, improve the security and the private ownership of label.
Figure 2 shows that the method for present embodiment reader access label, adopt the sequential processes mode, comprising:
Step 201, reader issue to label and check order;
Step 202, label receive checks order, reports its EPC sign indicating number to reader;
Reader to a label issue check order after, no longer continue to send and check order to other labels.
Step 203 is preserved the access key that the data field is conducted interviews by the mode of encrypting in the reader, and reader generates the extraction password according to the cipher mode of access key, extracts access key;
Step 204, the label that the reader indication is checked enters browsing process, issues the unique identification sign indicating number of access key and reading tag;
Reader is after label issues access key, if wrong cipher key, label will return error message.
Step 205, reader is concluded the business according to the unique identification sign indicating number and this label that get access to, as label being carried out one group of read-write operation;
Reader is carried out this operation such as group read-write grade successively, finish and label between transaction flow.
After reader is finished transaction with a label, continue to send and check order through eating dishes without rice or wine, if get access to the EPC sign indicating number of next label, execution in step 203 once more then; If do not get access to the EPC sign indicating number, then flow process finishes.
The method of present embodiment is after obtaining the EPC sign indicating number of a label, and order finish all operations such as read-write to this label, and that does not carry out repetition checks, is with operation such as key read-write, has improved interior reader of unit interval and the mutual number of times of label.The method of present embodiment can improve more than 30% the access rate of label.
Fig. 3 for present embodiment to RFID tag conduct interviews control system, comprising: RFID tag and reader, wherein:
RFID tag disposes and other unique identification sign indicating number of EPC phase region, and this unique identification sign indicating number is kept in other data fields in addition, EPC district of RFID tag, and this data field is provided with access control; The EPC of RFID tag is the common EPC that adopt of a plurality of RFID tag.
Reader is used for when RFID tag is operated, and issues to RFID tag and checks order, to obtain the EPC of RFID tag, after getting access to EPC, obtains the unique identification sign indicating number from the data field, uses this unique identification sign indicating number to operate.Reader is preserved the access key that the data field is conducted interviews by the mode of encrypting, when obtaining the unique identification sign indicating number from the data field, generate the password that extracts access key according to cipher mode, and extract access key, issue this access key to RFID tag, read the unique identification sign indicating number.After the operation of finishing RFID tag, continue again to check order, and obtain the unique identification sign indicating number of this RFID tag to next RFID tag transmission, this RFID tag is operated.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention, each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the memory storage and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules or the step with them is made into the single integrated circuit module and realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is embodiments of the invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

  1. One kind to RFID tag conduct interviews control method, comprising:
    Be RFID tag configuration and other unique identification sign indicating number of product electronic code (EPC) phase region, this unique identification sign indicating number be saved in other data fields in addition, EPC district of described RFID tag, and to the control that conducts interviews of this data field;
    When reader is operated described RFID tag, obtain described unique identification sign indicating number, use this unique identification sign indicating number to carry out described operation from described data field.
  2. 2. the method for claim 1 is characterized in that, this method also comprises: a plurality of described RFID tag are adopted identical EPC.
  3. 3. the method for claim 1 is characterized in that, the described step of obtaining described unique identification sign indicating number from described data field comprises:
    Described reader is preserved the access key that described data field is conducted interviews by the mode of encrypting, and generates the password that extracts described access key according to cipher mode, and extracts described access key;
    After described reader extracts described access key, issue this access key, read described unique identification sign indicating number to described RFID tag.
  4. 4. method as claimed in claim 3, it is characterized in that, described reader obtains described unique identification sign indicating number from described data field before, also issue and check order to described RFID tag, to obtain the EPC of this RFID tag, after getting access to described EPC, carry out the described described unique identification sign indicating number that from described data field, obtains.
  5. 5. method as claimed in claim 4, it is characterized in that, after described reader is finished operation to described RFID tag, continue again to send and check order to next RFID tag, and obtain the unique identification sign indicating number of this RFID tag, this RFID tag is operated.
  6. One kind to RFID tag conduct interviews control system, comprising: RFID tag and reader, wherein:
    Described RFID tag disposes and other unique identification sign indicating number of product electronic code (EPC) phase region, and this unique identification sign indicating number is kept in other data fields in addition, EPC district of described RFID tag, and this data field is provided with access control;
    Described reader is used for obtaining described unique identification sign indicating number from described data field when described RFID tag is operated, and uses this unique identification sign indicating number to carry out described operation.
  7. 7. system as claimed in claim 6 is characterized in that: the EPC of described RFID tag is the common EPC that adopt of a plurality of RFID tag.
  8. 8. system as claimed in claim 6 is characterized in that:
    Described reader is preserved the access key that described data field is conducted interviews by the mode of encrypting;
    When described reader obtains described unique identification sign indicating number from described data field, generate the password that extracts described access key according to cipher mode, and extract described access key, issue this access key, read described unique identification sign indicating number to described RFID tag.
  9. 9. system as claimed in claim 8 is characterized in that:
    Described reader, also be used for before obtaining described unique identification sign indicating number, issue to described RFID tag and check order, to obtain the EPC of described RFID tag from described data field, after getting access to described EPC, carry out the described described unique identification sign indicating number that from described data field, obtains.
  10. 10. system as claimed in claim 9 is characterized in that:
    Described reader also is used for after the operation of finishing described RFID tag, continues to check order to next RFID tag transmission again, and obtains the unique identification sign indicating number of this RFID tag, and this RFID tag is operated.
CN2010105962917A 2010-12-20 2010-12-20 Method and system for access control of radio frequency identification tag Pending CN102034068A (en)

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CN2010105962917A CN102034068A (en) 2010-12-20 2010-12-20 Method and system for access control of radio frequency identification tag
PCT/CN2011/074196 WO2012083632A1 (en) 2010-12-20 2011-05-17 Method and system for controlling access to radio frequency identification tag

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012083632A1 (en) * 2010-12-20 2012-06-28 中兴通讯股份有限公司 Method and system for controlling access to radio frequency identification tag
CN103632173A (en) * 2012-08-24 2014-03-12 中兴通讯股份有限公司 Tag access and access processing method and device
CN105426799A (en) * 2015-12-21 2016-03-23 天津中兴智联科技有限公司 UHF reader based on safety module and safety certificate method thereof
CN105956636A (en) * 2016-04-15 2016-09-21 许小敏 Method for correlating with object by means of RF identification label
CN113496127A (en) * 2020-04-02 2021-10-12 太原理工大学 Method, device and storage medium for performing selection and write operations on multiple CRFID tags

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CN1540583A (en) * 2003-10-27 2004-10-27 江苏瑞福智能科技有限公司 Method of safe using and anti false discriminating stored type electronic label
CN1971589A (en) * 2005-11-22 2007-05-30 香港理工大学 System and method for preventing counterfeiting of passive RF label
CN101826145A (en) * 2009-03-06 2010-09-08 中兴通讯股份有限公司 Device and method for realizing label counting in radio frequency recognition system

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CN1540582A (en) * 2003-04-22 2004-10-27 上海华园微电子技术有限公司 Random number generator in IC circuit card and method for creating random initial value
CN102034068A (en) * 2010-12-20 2011-04-27 中兴通讯股份有限公司 Method and system for access control of radio frequency identification tag

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
CN1540583A (en) * 2003-10-27 2004-10-27 江苏瑞福智能科技有限公司 Method of safe using and anti false discriminating stored type electronic label
CN1971589A (en) * 2005-11-22 2007-05-30 香港理工大学 System and method for preventing counterfeiting of passive RF label
CN101826145A (en) * 2009-03-06 2010-09-08 中兴通讯股份有限公司 Device and method for realizing label counting in radio frequency recognition system

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012083632A1 (en) * 2010-12-20 2012-06-28 中兴通讯股份有限公司 Method and system for controlling access to radio frequency identification tag
CN103632173A (en) * 2012-08-24 2014-03-12 中兴通讯股份有限公司 Tag access and access processing method and device
CN103632173B (en) * 2012-08-24 2017-07-14 天津中兴智联科技有限公司 Access, access processing method and the device of label
CN105426799A (en) * 2015-12-21 2016-03-23 天津中兴智联科技有限公司 UHF reader based on safety module and safety certificate method thereof
CN105426799B (en) * 2015-12-21 2018-02-13 天津中兴智联科技有限公司 A kind of ultrahigh frequency readers and its safety certifying method based on security module
CN105956636A (en) * 2016-04-15 2016-09-21 许小敏 Method for correlating with object by means of RF identification label
CN113496127A (en) * 2020-04-02 2021-10-12 太原理工大学 Method, device and storage medium for performing selection and write operations on multiple CRFID tags

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Application publication date: 20110427