CN103927803A - Active radio frequency identification (RFID)-based power door lock control system - Google Patents

Active radio frequency identification (RFID)-based power door lock control system Download PDF

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Publication number
CN103927803A
CN103927803A CN201410160586.8A CN201410160586A CN103927803A CN 103927803 A CN103927803 A CN 103927803A CN 201410160586 A CN201410160586 A CN 201410160586A CN 103927803 A CN103927803 A CN 103927803A
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China
Prior art keywords
reader
key card
key
door lock
frequency
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CN201410160586.8A
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Chinese (zh)
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CN103927803B (en
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徐图
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Southwest Jiaotong University
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Southwest Jiaotong University
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Publication of CN103927803B publication Critical patent/CN103927803B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses an active radio frequency identification (RFID)-based power door lock control system, relates to a power door lock control system and an RFID technology, and in particular relates to an RFID technology-based power door lock control system. The system comprises an active RFID key card and an RFID reader, wherein the key card comprises a first singlechip, a first radio frequency chip and a first working power supply; the reader comprises a second singlechip, a second radio frequency chip and a second working power supply. A mutual authentication process between the key card and the reader is a four-way authentication process. A door lock can be automatically sensed and opened in a distance of 1.0m-1.5m away from a door by the key card based on the technologies of active RFID, stream ciphers, security authentication and the like; the key card and the reader can be in several-for-one or one-to-many corresponding relationship. The power door lock control system has the characteristics of convenience in use and high safety performance and is particularly suitable for a family security door.

Description

Electric door lock control system based on active radio-frequency (RF) identification
Technical field
The present invention relates to electric door lock control system and radio-frequency (RF) identification (RFID) technology, particularly the electric door lock control system based on REID.
Background technology
Being widely used at present the electric door lock of hotel, office building, is a kind of electric control door lock based on passive radio frequency identification technique, comprises key card and lock body.Its key card be mainly one passive radio-frequency identification labeled, its lock body is controlled by a control system that comprises radio frequency reader.This passive radio frequency identification electric door lock, its decipherment distance generally, in 10cm, only has key card and radio frequency reader close contact, just can unblank.In the time that key holder both hands are not empty, the rather inconvenience of unblanking.Meanwhile, in order to control the unlocking authority of key card, lock body control system and the online networking of master control computer need to be arranged, so this short range radio frequency identification induction lock is only applicable to hotel room, office building application conventionally.
Along with economic development, the electrification of many equipment in family is even information-based, and the door lock that vast family is used remains the mechanical door lock that has followed centuries, is necessary to carry out electrification and informationization.
Existing radio-frequency (RF) identification electric door lock, employing be the passive radio frequency identification technique based on 125KHz carrier frequency, key card adopts passive card, its decipherment distance is in 10cm.In the time that needs open the door, key card need to be pressed close to the radio frequency reader in lock body controller, in this process, radio frequency reader activates key card, reads the data of key card, then analyzes data, judges whether to open the door.A kind of closely induction that what this radio-frequency (RF) identification electric door lock adopted is, low cost, non-security technology, and be not suitable for family security door and use.Mainly there is following shortcoming: 1, closely induction, need to swipe the card and just can open the door, holder, in the time that both hands are not empty, unblanks to feel inconvenience; 2, key card adopts passive RF chip, there is no arithmetic capability, cannot the higher identifying algorithm of security of operation rank, can not bear Replay Attack, and verification process is easily replicated, resets, follows the tracks of, blocks and distorts; 3, key card adopts single protection mechanism, if be broken, lock body is no longer safe; 4, key card information is easily replicated; 5, the profile of key card is too single and lack individuality.
Summary of the invention
The present invention is based on the technology such as active radio-frequency (RF) identification, stream cipher, safety certification, a kind of electric door lock control system based on active radio-frequency (RF) identification that family security door uses that is suitable for is provided.This electric door lock control system adopts active REID, and its key card adopts active RFID tag, and key card can make door lock automatically respond to and open in the distance range from 1.0~1.5 meters, door, facilitates client to use; Client uses a key card, also can open several sects, while saving a lot of room of customer account management, and be with the trouble of a lot of keys; For same sect, client may have several keys, if wherein a handle has been lost, can pass through USB interface, use host computer to be connected with lock controller, in controller, the key card of losing be deleted, thereby this key card was lost efficacy, ensure client's security of the lives and property.
Technical solution of the present invention is as follows:
Electric door lock control system based on active radio-frequency (RF) identification, comprises key card and reader, and described key card and reader are active radio frequency identification key card and radio-frequency identification reader.
Described key card as shown in Figure 1, at least comprises the first single-chip microcomputer, the first radio frequency chip and the first working power; The first radio frequency chip is responsible for carrying out communicating by letter of mutual authenticated connection with reader, and the first single-chip microcomputer is responsible for and reader authenticates mutually, and the first working power provides working power for the each module in key card inside; In the first single-chip microcomputer, store the relevant information of key card self and the relevant information of corresponding reader, these information at least comprise: No. ID of described key card self, another name and internal information access key K2, No. ID and another name of corresponding reader, and key card and corresponding reader authenticate shared key K 3 mutually.
Described reader as shown in Figure 2, at least comprises second singlechip, the second radio frequency chip and the second working power; The second radio frequency chip is responsible for carrying out communicating by letter of mutual authenticated connection with key card, and second singlechip is responsible for and key card authenticates mutually, and the second working power provides working power for the each module in reader inside; In second singlechip, store the relevant information of reader self and the relevant information of corresponding key card, these information at least comprise: No. ID of described reader self, another name and internal information access key K1, No. ID and another name of corresponding key card, and described reader and the shared key K 3 of corresponding key card mutual authentication.
Mutual authentication process between key card and reader is a four-way verification process, as shown in Fig. 5, Fig. 6 and Fig. 7, specifically comprises: the first step, and key card externally sends the another name of self with the fixed cycle; Second step, reader receives after the another name that key card sends, and all key cards another names of storing in this key card another name and second singlechip are compared, if can not find coupling, verification process finishes; If find coupling, reader sends the another name of self to key card; The 3rd step, key card receives after the another name that reader sends, and all readers another names of storing in this reader another name and the first single-chip microcomputer are compared, if can not find coupling, verification process finishes; If find coupling, produce a random number RA and send to reader with clear-text way; The 4th step, random number R B and the ID IDA of self of the random number RA receiving and self generation are combined into a packet (RA by reader, RB, IDA), and send to key card after adopting shared key K3 and stream cipher encrypting algorithm to be encrypted formation token 1; The 5th step, key card adopts shared key K3 and corresponding stream cipher decipherment algorithm deciphering to the token 1 receiving, restore corresponding RA ', RB ' and IDA ', if all Reader IDs that RA '=RA and IDA ' store in the first single-chip microcomputer can find occurrence, RB ' and self ID IDB are combined into packet (RB ', IDB), and send to active radio-frequency identification reader after adopting K3 and stream cipher encrypting algorithm to be encrypted to form token 2; Otherwise certification finishes; The 6th step, reader adopts shared key K3 and corresponding stream cipher decipherment algorithm deciphering to the token 2 receiving, restore corresponding RB ' ' and IDB ', if all key card ID that RB ' '=RB and IDB ' store in second singlechip can find occurrence, authentication success, reader phase electric door lock sends unlock command; Otherwise finish certification.
Electric door lock control system based on active radio-frequency (RF) identification provided by the invention, has following beneficial effect:
The present invention adopts active REID, and its key card adopts active RFID tag, and key card can make door lock automatically respond to and open in the distance range from 1.0~1.5 meters, door, facilitates client to use; Key card adopts active label, adopts " four-way authenticates mutually ", and the guarantee using random number and stream cipher as authentication security, can prevent Replay Attack, follow the tracks of attack, blocking-up and Tampering attack; System provides key card management function, for every key is got another name, after key card is lost, finds corresponding another name, and deleted in lock body, and after this, this key card cannot open the door; Reader is at ordinary times in listening state, and key card woke up once with the fixed cycle, and sends the another name of self, determines whether authenticate by reader, reduces key card electric quantity consumption; Key card can adopt personalized configuration design.
Brief description of the drawings
Fig. 1 is the structural representation of key card in the electric door lock control system based on active radio-frequency (RF) identification provided by the invention.
Fig. 2 is the structural representation of reader in the electric door lock control system based on active radio-frequency (RF) identification provided by the invention.
Fig. 3 is key card information format in the electric door lock control system based on active radio-frequency (RF) identification provided by the invention.
Fig. 4 is reader information form in the electric door lock control system based on active radio-frequency (RF) identification provided by the invention.
Key card and reader mutual authentication process schematic diagram when Fig. 5 is the electric door lock control system work based on active radio-frequency (RF) identification provided by the invention.
Reader schematic flow sheet in key card and reader mutual authentication process when Fig. 6 is the electric door lock control system work based on active radio-frequency (RF) identification provided by the invention.
Key card schematic flow sheet in key card and reader mutual authentication process when Fig. 7 is the electric door lock control system work based on active radio-frequency (RF) identification provided by the invention.
Embodiment
Electric door lock control system based on active radio-frequency (RF) identification, comprises key card and reader, and described key card and reader are active radio frequency identification key card and radio-frequency identification reader.
Described key card as shown in Figure 1, at least comprises the first single-chip microcomputer, the first radio frequency chip and the first working power; The first radio frequency chip is responsible for carrying out communicating by letter of mutual authenticated connection with reader, and the first single-chip microcomputer is responsible for and reader authenticates mutually, and the first working power provides working power for the each module in key card inside; In the first single-chip microcomputer, store the relevant information of key card self and the relevant information of corresponding reader, these information at least comprise: No. ID of described key card self, another name and internal information access key K2, No. ID and another name of corresponding reader, and key card and corresponding reader authenticate shared key K 3 mutually.
Described reader as shown in Figure 2, at least comprises second singlechip, the second radio frequency chip and the second working power; The second radio frequency chip is responsible for carrying out communicating by letter of mutual authenticated connection with key card, and second singlechip is responsible for and key card authenticates mutually, and the second working power provides working power for the each module in reader inside; In second singlechip, store the relevant information of reader self and the relevant information of corresponding key card, these information at least comprise: No. ID of described reader self, another name and internal information access key K1, No. ID and another name of corresponding key card, and described reader and the shared key K 3 of corresponding key card mutual authentication.
Mutual authentication process between key card and reader is a four-way verification process, as shown in Fig. 5, Fig. 6 and Fig. 7, specifically comprises: the first step, and key card externally sends the another name of self with the fixed cycle; Second step, reader receives after the another name that key card sends, and all key cards another names of storing in this key card another name and second singlechip are compared, if can not find coupling, verification process finishes; If find coupling, reader sends the another name of self to key card; The 3rd step, key card receives after the another name that reader sends, and all readers another names of storing in this reader another name and the first single-chip microcomputer are compared, if can not find coupling, verification process finishes; If find coupling, produce a random number RA and send to reader with clear-text way; The 4th step, random number R B and the ID IDA of self of the random number RA receiving and self generation are combined into a packet (RA by reader, RB, IDA), and send to key card after adopting shared key K3 and stream cipher encrypting algorithm to be encrypted formation token 1; The 5th step, key card adopts shared key K3 and corresponding stream cipher decipherment algorithm deciphering to the token 1 receiving, restore corresponding RA ', RB ' and IDA ', if all Reader IDs that RA '=RA and IDA ' store in the first single-chip microcomputer can find occurrence, RB ' and self ID IDB are combined into packet (RB ', IDB), and send to active radio-frequency identification reader after adopting K3 and stream cipher encrypting algorithm to be encrypted to form token 2; Otherwise certification finishes; The 6th step, reader adopts shared key K3 and corresponding stream cipher decipherment algorithm deciphering to the token 2 receiving, restore corresponding RB ' ' and IDB ', if all key card ID that RB ' '=RB and IDB ' store in second singlechip can find occurrence, authentication success, reader phase electric door lock sends unlock command; Otherwise finish certification.
Described key card also has a USB interface, host computer adopts key card internal information access key K2 can manage the out of Memory except key card self ID number of storing in the first single-chip microcomputer by described USB interface, comprises increases, deletion and revises.Described reader also has a USB interface, host computer adopts reader internal information access key K1 can manage the out of Memory except reader self ID number of storing in second singlechip by described USB interface, comprises increases, deletion and revises.
The management of key card information adopts resignation system.On the one hand, system supports multiple key cards to drive same lock, and these key cards need to be registered in the reader of electric lock so, the information that should preserve all legal key cards in reader the inside; On the other hand, a key card also can arrange to open many locks, so just the information of lock need to be registered in key card the inside.
Inside reader, the form of the key card information of preservation as shown in Figure 3: comprise No. ID, key card and key card another name.The information format of the reader of preserving in key card is as shown in Figure 4: comprise the secret key K3 that Reader ID number, reader another name and reader and corresponding key card mutual authentication share.
Each key card has an ID, and for distinguishing different key cards, in each reader, the ID of the key card of registration is unique, and reader is just by the identification of key card ID is determined whether unblanking, and therefore, key card ID is need to be keep secret.The title that key card another name is this key card, is convenient to memory, and this information need not be maintained secrecy.In the time that induction lock dispatches from the factory, be equipped with several key cards, ID is different for these key cards, and another name is generally got the random number that a string length is grown, and all in induction lock reader, registers.User can modify to these another names by upper computer software.
Delete key card: in the time that some key cards are lost, need to pass through USB interface with upper computer software, connect reader, in upper computer software, input reader internal information access code K1, shows all key card information of preserving in reader, by that key card information deletion of losing, like this, even if there is people to pick up this key card, also cannot open induction lock.
Increase key card: first, be connected with the empty key card that will increase with host computer
Be connected with reader with host computer, input reader internal information access code K1, shows all key card information of preserving in reader, and the key card information that will increase writes read area; , be connected with host computer with the key card that will increase, key card is set, and No. ID, another name, internal information access code K2 and key card and corresponding reader authenticate shared key K 3 mutually, then in the key card that will increase, input corresponding reader information meanwhile.Like this, this key card just can be opened corresponding electric lock.
Same key card is driven many locks: process is similar with increase key card, in the reader of that lock of opening at needs, key card is registered.
Reader internal information access code K1, is host computer while reading and writing reader by USB interface, needs the password of input, is kept in reader, can read Reader ID and authenticate key K3, also can carry out key card registration; Key card internal information is accessed secret key K2, is host computer while reading and writing key card by USB interface, needs the password of input, is kept in key card, can read key card ID, also can carry out reader registration; K3 is the key using while mutually authenticating for key card and reader, is kept in key card and reader.When K1, K2, K3 dispatch from the factory, just set, client should maintain secrecy, and K1, K2, generally without reseting, can revise if desired, and K3 is suitable periodic modification, and after K3 amendment, the K3 in the reader information of corresponding key card the inside registration also should revise.
Described key card also has a Flash storage chip, in equal back-up storage to the Flash storage chip of all information of storing in the first single-chip microcomputer, with the information dropout that prevents that key card power down from causing.Described reader also has the 2nd Flash storage chip, in equal back-up storage to the two Flash storage chips of all information of storing in second singlechip, with the information dropout that prevents that reader power down from causing.
Described key card the first working power adopts common batteries or rechargeable battery, and described rechargeable battery can charge by described USB interface.
Described key card also has a low-voltage pilot lamp, when the operating voltage of the first working power lower than set in advance minimum safe operating voltage threshold value time, described low-voltage pilot lamp is lit, to point out user key card is changed to the first working power or the first working power is charged.
Described reader also has the hummer and/or the pilot lamp that show electric door lock on off state, so that the sound and/or the light signal that show electric door lock on off state to be provided.

Claims (8)

1. the electric door lock control system based on active radio-frequency (RF) identification, comprises key card and reader, and described key card and reader are active radio frequency identification key card and radio-frequency identification reader;
Described key card at least comprises the first single-chip microcomputer, the first radio frequency chip and the first working power; The first radio frequency chip is responsible for carrying out communicating by letter of mutual authenticated connection with reader, and the first single-chip microcomputer is responsible for and reader authenticates mutually, and the first working power provides working power for the each module in key card inside; In the first single-chip microcomputer, store the relevant information of key card self and the relevant information of corresponding reader, these information at least comprise: No. ID of described key card self, another name and internal information access key K2, No. ID and another name of corresponding reader, and key card and corresponding reader authenticate shared key K 3 mutually;
Described reader at least comprises second singlechip, the second radio frequency chip and the second working power; The second radio frequency chip is responsible for carrying out communicating by letter of mutual authenticated connection with key card, and second singlechip is responsible for and key card authenticates mutually, and the second working power provides working power for the each module in reader inside; In second singlechip, store the relevant information of reader self and the relevant information of corresponding key card, these information at least comprise: No. ID of described reader self, another name and internal information access key K1, No. ID and another name of corresponding key card, and described reader and the shared key K 3 of corresponding key card mutual authentication;
Mutual authentication process between key card and reader is a four-way verification process, specifically comprises: the first step, and key card externally sends the another name of self with the fixed cycle; Second step, reader receives after the another name that key card sends, and all key cards another names of storing in this key card another name and second singlechip are compared, if can not find coupling, verification process finishes; If find coupling, reader sends the another name of self to key card; The 3rd step, key card receives after the another name that reader sends, and all readers another names of storing in this reader another name and the first single-chip microcomputer are compared, if can not find coupling, verification process finishes; If find coupling, produce a random number RA and send to reader with clear-text way; The 4th step, random number R B and the ID IDA of self of the random number RA receiving and self generation are combined into a packet (RA by reader, RB, IDA), and send to key card after adopting shared key K3 and stream cipher encrypting algorithm to be encrypted formation token 1; The 5th step, key card adopts shared key K3 and corresponding stream cipher decipherment algorithm deciphering to the token 1 receiving, restore corresponding RA ', RB ' and IDA ', if all Reader IDs that RA '=RA and IDA ' store in the first single-chip microcomputer can find occurrence, RB ' and self ID IDB are combined into packet (RB ', IDB), and send to active radio-frequency identification reader after adopting K3 and stream cipher encrypting algorithm to be encrypted to form token 2; Otherwise certification finishes; The 6th step, reader adopts shared key K3 and corresponding stream cipher decipherment algorithm deciphering to the token 2 receiving, restore corresponding RB ' ' and IDB ', if all key card ID that RB ' '=RB and IDB ' store in second singlechip can find occurrence, authentication success, reader phase electric door lock sends unlock command; Otherwise finish certification.
2. the electric door lock control system based on active radio-frequency (RF) identification according to claim 1, it is characterized in that, described key card also has a USB interface, host computer adopts key card internal information access key K2 can manage the out of Memory except key card self ID number of storing in the first single-chip microcomputer by described USB interface, comprises increases, deletion and revises.
3. the electric door lock control system based on active radio-frequency (RF) identification according to claim 1, it is characterized in that, described reader also has a USB interface, host computer adopts reader internal information access key K1 can manage the out of Memory except reader self ID number of storing in second singlechip by described USB interface, comprises increases, deletion and revises.
4. the electric door lock control system based on active radio-frequency (RF) identification according to claim 1 and 2, it is characterized in that, described key card also has a Flash storage chip, in equal back-up storage to the Flash storage chip of all information of storing in the first single-chip microcomputer, with the information dropout that prevents that key card power down from causing.
5. according to the electric door lock control system based on active radio-frequency (RF) identification described in claim 1 or 3, it is characterized in that, described reader also has the 2nd Flash storage chip, in equal back-up storage to the two Flash storage chips of all information of storing in second singlechip, with the information dropout that prevents that reader power down from causing.
6. the electric door lock control system based on active radio-frequency (RF) identification according to claim 2, is characterized in that, described key card the first working power adopts common batteries or rechargeable battery, and described rechargeable battery can charge by described USB interface.
7. according to the electric door lock control system based on active radio-frequency (RF) identification described in claim 1,2 or 4, it is characterized in that, described key card also has a low-voltage pilot lamp, when the operating voltage of the first working power lower than set in advance minimum safe operating voltage threshold value time, described low-voltage pilot lamp is lit, to point out user key card is changed to the first working power or the first working power is charged.
8. according to the electric door lock control system based on active radio-frequency (RF) identification described in claim 1,3 or 5, it is characterized in that, described reader also has the hummer and/or the pilot lamp that show electric door lock on off state, so that the sound and/or the light signal that show electric door lock on off state to be provided.
CN201410160586.8A 2014-04-21 2014-04-21 Based on the Electrically operated gate lock control system of active radio frequency identification Expired - Fee Related CN103927803B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107040289A (en) * 2016-12-01 2017-08-11 致富电子科技有限公司 Information transferring method and its device based on Near Field Communication
CN109118627A (en) * 2018-08-15 2019-01-01 深圳市凯迪仕智能科技有限公司 A kind of automatic lock control circuit and control method
CN109429203A (en) * 2017-08-22 2019-03-05 深圳光启智能光子技术有限公司 Data transmission method, terminal, storage medium and processor
CN111028387A (en) * 2019-11-06 2020-04-17 陕西助智信息技术有限公司 Intelligent door lock with artificial intelligence and use method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004044825A1 (en) * 2002-11-06 2004-05-27 American Express Travel Related Services Company, Inc. A transparent transaction card
CN101131720A (en) * 2006-08-23 2008-02-27 联想(北京)有限公司 Radio recognizing computer security locking authentication system and method thereof
CN102034321A (en) * 2009-09-25 2011-04-27 国民技术股份有限公司 Authentication method and system used for wireless payment
CN103136819A (en) * 2011-12-01 2013-06-05 联想(北京)有限公司 Unlocking method for door control system based on mobile terminal and mobile terminal

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004044825A1 (en) * 2002-11-06 2004-05-27 American Express Travel Related Services Company, Inc. A transparent transaction card
CN101131720A (en) * 2006-08-23 2008-02-27 联想(北京)有限公司 Radio recognizing computer security locking authentication system and method thereof
CN102034321A (en) * 2009-09-25 2011-04-27 国民技术股份有限公司 Authentication method and system used for wireless payment
CN103136819A (en) * 2011-12-01 2013-06-05 联想(北京)有限公司 Unlocking method for door control system based on mobile terminal and mobile terminal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107040289A (en) * 2016-12-01 2017-08-11 致富电子科技有限公司 Information transferring method and its device based on Near Field Communication
CN107040289B (en) * 2016-12-01 2021-06-08 广州捷泰通贸易有限公司 Information transmission method and device based on near field communication
CN109429203A (en) * 2017-08-22 2019-03-05 深圳光启智能光子技术有限公司 Data transmission method, terminal, storage medium and processor
CN109118627A (en) * 2018-08-15 2019-01-01 深圳市凯迪仕智能科技有限公司 A kind of automatic lock control circuit and control method
CN111028387A (en) * 2019-11-06 2020-04-17 陕西助智信息技术有限公司 Intelligent door lock with artificial intelligence and use method thereof

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