CN108989282A - The connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system - Google Patents

The connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system Download PDF

Info

Publication number
CN108989282A
CN108989282A CN201810574769.2A CN201810574769A CN108989282A CN 108989282 A CN108989282 A CN 108989282A CN 201810574769 A CN201810574769 A CN 201810574769A CN 108989282 A CN108989282 A CN 108989282A
Authority
CN
China
Prior art keywords
gateway
door lock
lock terminal
connection
chip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810574769.2A
Other languages
Chinese (zh)
Inventor
严辉
杨根
莫平安
李冠鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plump Network (beijing) Co Ltd Hunan Branch
Plump Network (beijing) Co Ltd
Original Assignee
Plump Network (beijing) Co Ltd Hunan Branch
Plump Network (beijing) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plump Network (beijing) Co Ltd Hunan Branch, Plump Network (beijing) Co Ltd filed Critical Plump Network (beijing) Co Ltd Hunan Branch
Priority to CN201810574769.2A priority Critical patent/CN108989282A/en
Publication of CN108989282A publication Critical patent/CN108989282A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0876Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/14Session management
    • H04L67/141Setup of application sessions

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention provides the connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system, comprising: gateway detect in affiliated area whether the door lock terminal of connection in need;When detecting the door lock terminal wait establish a connection, gateway sends link order to door lock terminal;Door lock terminal generates response message according to link order;Information generates the first random array and the first accidental validation value to gateway according to response;First random array is sent door lock terminal by gateway;Door lock terminal generates the second accidental validation value using the receive first random array, and the second accidental validation value is sent to gateway;Gateway verifies received second accidental validation value, if being verified, establishes a connection with door lock terminal.Connection method of the invention, the connection between door lock terminal and gateway have safety and uniqueness, it is therefore prevented that enemy enters campus apartment security system by other door lock terminals or gateway attack, prevents data from leaking, has ensured property safety.

Description

The connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system
Technical field
The invention belongs to intelligent door lock technical fields, and in particular to door lock terminal in a kind of Wireless Networking door-locking system With the connection method of gateway.
Background technique
With the development of technology, possess more preferably safety and convenience, electronic gate compared to mechanical door lock because of electronic lock Lock is more and more applied to various places on the market.Currently, in such as campus, hotel, intelligent door lock security protection System is more and more applied, to manage concentratedly to intelligent door lock.
But at present in campus apartment security system, data transmission mostly uses the form of plaintext to transmit, and passes in this way in data Data are very easy to monitored, forgery and attack during defeated, there are great security risk, are easy to cause to student and school Property loss.Common place under attack is door lock terminal family and gateway, in the prior art, door lock in data transmission procedure The imperfect identification binding method of terminal and gateway, leaks so as to cause data.
Summary of the invention
(1) technical problems to be solved
Identification binding in order to solve the problems, such as door lock terminal and gateway in existing campus apartment security system is unsafe, this Invention provides the connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system.
(2) technical solution
To achieve the above object, the main technical schemes that the present invention uses include:
The connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system, comprising:
101, the gateway detect in the gateway affiliated area whether the door lock terminal of connection in need;
102, when detecting the door lock terminal wait establish a connection, the gateway sends to the door lock terminal and connects Instruction;
103, the door lock terminal generates response message according to the link order, and the response message includes: for making The gateway generates the triggering information of verification information;
104, information generates verification information to the gateway according to response, and the verification information includes:
First random array and the first accidental validation value;
105, the described first random array is sent the door lock terminal by the gateway;
106, the door lock terminal generates the second accidental validation value using the receive described first random array, and by institute It states the second accidental validation value and is sent to the gateway;
107, the gateway verifies the received second accidental validation value, if being verified, with the door Lock terminal establishes a connection.
Further, the method also includes:
108: after the door lock terminal and the gateway establish a connection, the door lock terminal generating device connection mark Know, and the equipment connection identifier is sent to the gateway, and the clothes connecting with the gateway are sent by the gateway Device be engaged in back up;
109: the gateway and the server are respectively received the equipment connection identifier, and the equipment is connected and is marked Knowledge is saved respectively;
And/or
110: when the door lock terminal sends link order to the gateway, carrying described set in the link order Standby connection identifier;
The gateway detects whether to be stored with equipment connection identifier corresponding with the door lock terminal, if so, with described Door lock terminal establishes connection.
Further, the step 104 includes:
The gateway response message based on the received generates the first random array;
The first accidental validation value is generated using the described first random array;
The first random array and the first accidental validation value form the verification information.
Further, the step 107 includes:
Judge whether the first accidental validation value and the second accidental validation value are identical, if they are the same, are then verified.
Further, the door lock terminal is connect by way of wireless telecommunications with the gateway;The door lock terminal and The gateway respectively includes the wireless transport module to match, and the wireless transport module includes: zigbee module and/or bluetooth Module.
A kind of Wireless Networking door-locking system, the system comprises at least one gateways and at least one door lock terminal:
The gateway includes: the first chip and the second chip;
The AES128 program for generating link order is built-in in first chip;
The AES128 program is also used to when the gateway receives the response message, generates the first random array;
The SHA256 program for generating the first accidental validation value is built-in in second chip;
The door lock terminal includes: third chip and fourth chip;
The AES128 program for generating the response message is built-in in the third chip;
The SHA256 journey for generating the first accidental validation value using the first random array is built-in in the fourth chip Sequence;
Wherein, the gateway and the door lock terminal interaction are to execute any method of the claims 1 to 5.
(3) beneficial effect
The beneficial effects of the present invention are:
The connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system, comprising: gateway detects the gateway institute Belong to region in whether the door lock terminal of connection in need;When detecting the door lock terminal wait establish a connection, gateway is to door It locks terminal and sends link order;Door lock terminal generates response message according to link order;Information generates first to gateway according to response Random array and the first accidental validation value;First random array is sent door lock terminal by gateway;The utilization of door lock terminal receives First random array generates the second accidental validation value, and the second accidental validation value is sent to gateway;Gateway is to received second Accidental validation value is verified, if being verified, is established a connection with door lock terminal.
The connection method of door lock terminal and gateway through the invention, the connection between door lock terminal and gateway have safety Property and uniqueness, it is therefore prevented that enemy by other door lock terminals or gateway attack enter campus apartment security system, prevent data It leaks, has ensured property safety.
Detailed description of the invention
Fig. 1 is the process of the connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system of the embodiment of the present invention Figure;
Fig. 2 is the door lock of the connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system of the embodiment of the present invention The identifying procedure figure of terminal.
Specific embodiment
In order to better explain the present invention, in order to understand, with reference to the accompanying drawing, by specific embodiment, to this hair It is bright to be described in detail.
The connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system, Wireless Networking door-locking system includes door Lock terminal, gateway and server, server correspond to multiple gateways, and gateway corresponds to multiple door lock terminals.Gateway includes: the first chip With the second chip, door lock terminal includes: third chip and fourth chip;Built-in AES128 journey in first chip and third chip Sequence;Built-in SHA256 program in second chip and fourth chip.
It is as shown in Figure 1 a kind of flow chart of the connection method of door lock terminal and gateway in Wireless Networking door-locking system, even The method of connecing includes:
101, gateway detect in the gateway affiliated area whether the door lock terminal of connection in need;
In the present embodiment, gateway can detect automatically in affiliated area at regular intervals whether connection in need door lock it is whole End.
102, when detecting the door lock terminal wait establish a connection, gateway sends link order to door lock terminal;This In link order be by AES128 Program Generating built-in in the first chip.
103, door lock terminal generates response message according to link order, and response message includes: for making gateway generate verifying The triggering information of information;Here response message is by AES128 Program Generating built-in in third chip.
104, information generates verification information to gateway according to response, and verification information includes: that the first random array and first are random Validation value;
It is specific:
Gateway response message based on the received, it is random using the AES128 Program Generating first of the first built-in chip type in gateway Array, the SHA256 program of the second built-in chip type generates the first accidental validation value MAC1 using the first random array in gateway.
105, the first random array is sent door lock terminal by gateway.
106, door lock terminal generates the second accidental validation value MAC2 using the first random array received, and by second with Machine validation value MAC2 is sent to gateway.
107, gateway verifies received second accidental validation value MAC2, if being verified, builds with door lock terminal Vertical connection relationship;
It is specific:
Judge whether the first accidental validation value MAC1 and the second accidental validation value MAC2 are identical, if they are the same, are then verified.
108: after the door lock terminal and the gateway establish a connection, the door lock terminal utilizes the second validation value MAC2 generating device connection identifier, and the equipment connection identifier is sent to the gateway, and send by the gateway The server connecting with the gateway is to back up;
109: the gateway and the server are respectively received the equipment connection identifier, and the equipment is connected and is marked Knowledge is saved respectively.
110: when the door lock terminal sends link order to the gateway, carrying described set in the link order Standby connection identifier;
The gateway detects whether to be stored with equipment connection identifier corresponding with the door lock terminal, if so, with described Door lock terminal establishes connection.
In the present embodiment, door lock terminal and gateway are connected by way of wireless telecommunications;Door lock terminal and gateway respectively wrap The wireless transport module to match is included, wireless transport module includes: zigbee module and/or bluetooth module.
The door lock terminal of binding is completed with gateway because the cause specifics such as powering off, repairing and after gateway disconnects, when This door lock terminal is again and gateway connects the connection relationship that need to only complete by server between gateway and door lock terminal, in this way It simplifies process and saves the time.Data after door lock terminal and gateway establish binding relationship, between door lock terminal and gateway Transmission becomes from plaintext transmission: the data of gateway and door lock terminal before being transmitted, first pass through the second chip and fourth chip, i.e., RJGT102 chip is encrypted, and makes to be turned into ciphertext in plain text;Gateway and door lock terminal receive ciphertext data, and data first pass through Second chip and fourth chip, i.e. RJGT102 chip are decrypted, and are making corresponding operation after decryption.
It should be noted that before door lock terminal and gateway are bound for the first time, to door lock terminal, gateway and server It is authenticated processing, campus apartment security system could be added in the only equipment by certification, it specifically includes:
S01: gateway completes the certification of gateway using the first chip and the second chip;
S02: door lock terminal completes the certification of door lock terminal using third chip and fourth chip;
In the present embodiment, the certification of gateway, the certification of door lock terminal are identical with the authentication method of server, below with door It is illustrated for the certification of lock terminal.
Door lock terminal includes MCU, and MCU carries third chip, and in the present embodiment, third chip is ZigBee chip, in door It locks and is implanted into fourth chip in terminal device, in the present embodiment, fourth chip is RJGT102 chip.RJGT102 chip and door lock are whole The MCU at end passes through I2C connection.
RJGT102 built-in chip type SHA256 Encryption Algorithm, is provided for the customized EEPROM of user to be written (Electrically Erasable Programmable read only memory) unit, can be to key and every number Individually add write-protect according to memory block.SHA256 Encryption Algorithm is primarily adapted for use in authentication and digital signature, is filled according to client Parameters, the SHA256 algorithm such as key, random number and UID can generate one 256 eap-message digests.When receiving message It waits, this eap-message digest can be used to carry out the integrality of authentication or verify data.Since SHA256 has following characteristic: (1) information cannot be restored from eap-message digest;(2) two different message will not generate same eap-message digest;(3) it modifies A bit in message can cause avalanche effect;Therefore SHA256 Encryption Algorithm can provide identity with very high safety and recognize Demonstrate,prove function.
It is illustrated in figure 2 the apparatus bound method of a kind of Wireless Networking door-locking system of the embodiment of the present invention encrypted safely The identifying procedure figure of door lock terminal, the verification process of door lock terminal are completed in door lock terminal:
M01: the MCU of door lock terminal generates one group of random number, using generating random number third validation value MAC3, and by the group Random number is sent to RJGT102 chip;
M02:RJGT102 chip generates the 4th validation value MAC4 using random number, and the 4th validation value MAC4 is sent out simultaneously Give the first area Page and the MCU in RJGT102 chip;
M03:MCU judges whether third validation value MAC3 and the 4th validation value MAC4 are equal, and mistake is authenticated if unequal It loses, terminates certification, next step is entered if equal;
M04;MCU reads the second critical data key2 for being preset in the 2nd area Page in MCU, and RJGT102 chip reads pre- It is located at the first critical data key1 in the first area Page, and key1 is sent to MCU;
M05:MCU judges whether the first critical data key1 and the second critical data key2 are equal, only equal, and door lock is whole The certification at end can just succeed.
Each door lock terminal powers on the verification process that can all carry out primary above-mentioned door lock terminal, and certification passes through back door lock terminal Working condition can just be entered, similarly, gateway and server, which power on, can all carry out a verification process, this effectively prevents enemy Circuit board by plagiarizing door lock terminal, gateway and server clones door lock terminal, gateway and server apparatus.
It is to be appreciated that describing the skill simply to illustrate that of the invention to what specific embodiments of the present invention carried out above Art route and feature, its object is to allow those skilled in the art to can understand the content of the present invention and implement it accordingly, but The present invention is not limited to above-mentioned particular implementations.All various changes made within the scope of the claims are repaired Decorations, should be covered by the scope of protection of the present invention.

Claims (6)

1. the connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system, which is characterized in that the described method includes:
101, the gateway detect in the gateway affiliated area whether the door lock terminal of connection in need;
102, when detecting the door lock terminal wait establish a connection, the gateway sends connection to the door lock terminal and refers to It enables;
103, the door lock terminal generates response message according to the link order, and is sent to the gateway;
The response message includes: the triggering information for making the gateway generate verification information;
104, information generates verification information to the gateway according to response, and the verification information includes:
First random array and the first accidental validation value;
105, the described first random array is sent the door lock terminal by the gateway;
106, the door lock terminal generates the second accidental validation value using the receive described first random array, and by described the Two accidental validation values are sent to the gateway;
107, the gateway verifies the received second accidental validation value, whole with the door lock if being verified End establishes a connection.
2. connection method according to claim 1, which is characterized in that the method also includes:
108: after the door lock terminal and the gateway establish a connection, the door lock terminal generating device connection identifier, And the equipment connection identifier is sent to the gateway, and the server connecting with the gateway is sent by the gateway With backup;
109: the gateway and the server are respectively received the equipment connection identifier, and the equipment connection identifier is divided It is not saved;
And/or
110: when the door lock terminal sends link order to the gateway, carrying the equipment in the link order and connect Connect mark;
The gateway detects whether to be stored with equipment connection identifier corresponding with the door lock terminal, if so, with the door lock Terminal establishes connection.
3. connection method according to claim 1, which is characterized in that the step 104 includes:
The gateway response message based on the received generates the first random array;
The first accidental validation value is generated using the described first random array;
The first random array and the first accidental validation value form the verification information.
4. connection method according to claim 3, which is characterized in that the step 107 includes:
Judge whether the first accidental validation value and the second accidental validation value are identical, if they are the same, are then verified.
5. the method according to claim 1, wherein the door lock terminal and the gateway pass through wireless telecommunications Mode connects;The door lock terminal and the gateway respectively include the wireless transport module to match, the wireless transport module It include: zigbee module and/or bluetooth module.
6. a kind of Wireless Networking door-locking system, the system comprises at least one gateway and at least one door lock terminal, features It is:
The gateway includes: the first chip and the second chip;
The AES128 program for generating link order is built-in in first chip;
The AES128 program is also used to when the gateway receives the response message, generates the first random array;
The SHA256 program for generating the first accidental validation value is built-in in second chip;
The door lock terminal includes: third chip and fourth chip;
The AES128 program for generating the response message is built-in in the third chip;
The SHA256 program for generating the first accidental validation value using the first random array is built-in in the fourth chip;
Wherein, the gateway and the door lock terminal interaction are to execute any method of the claims 1 to 5.
CN201810574769.2A 2018-06-06 2018-06-06 The connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system Pending CN108989282A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810574769.2A CN108989282A (en) 2018-06-06 2018-06-06 The connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810574769.2A CN108989282A (en) 2018-06-06 2018-06-06 The connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system

Publications (1)

Publication Number Publication Date
CN108989282A true CN108989282A (en) 2018-12-11

Family

ID=64540803

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810574769.2A Pending CN108989282A (en) 2018-06-06 2018-06-06 The connection method of door lock terminal and gateway in a kind of Wireless Networking door-locking system

Country Status (1)

Country Link
CN (1) CN108989282A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070005766A1 (en) * 2003-03-17 2007-01-04 July Systems, Inc. Method and system for providing external and internal services through an application intermediation gateway
CN101127663A (en) * 2007-09-13 2008-02-20 北京交通大学 A system and method for access of mobile self-organized network to integrated network
CN105069864A (en) * 2015-07-10 2015-11-18 西安电子科技大学 Door lock control secure communication scheme based on NFC (near field communication) function of smart phone
CN105282179A (en) * 2015-11-27 2016-01-27 中国电子科技集团公司第五十四研究所 Family Internet of things security control method based on CPK
CN106209900A (en) * 2016-08-02 2016-12-07 成都荷码科技有限公司 A kind of method that smart lock is registered to repeater
CN106453269A (en) * 2016-09-21 2017-02-22 东软集团股份有限公司 Internet of Vehicles safety communication method, vehicle-mounted terminal, server and system
CN107945350A (en) * 2017-12-21 2018-04-20 美的集团股份有限公司 Door lock communication system and method based on safety chip

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070005766A1 (en) * 2003-03-17 2007-01-04 July Systems, Inc. Method and system for providing external and internal services through an application intermediation gateway
CN101127663A (en) * 2007-09-13 2008-02-20 北京交通大学 A system and method for access of mobile self-organized network to integrated network
CN105069864A (en) * 2015-07-10 2015-11-18 西安电子科技大学 Door lock control secure communication scheme based on NFC (near field communication) function of smart phone
CN105282179A (en) * 2015-11-27 2016-01-27 中国电子科技集团公司第五十四研究所 Family Internet of things security control method based on CPK
CN106209900A (en) * 2016-08-02 2016-12-07 成都荷码科技有限公司 A kind of method that smart lock is registered to repeater
CN106453269A (en) * 2016-09-21 2017-02-22 东软集团股份有限公司 Internet of Vehicles safety communication method, vehicle-mounted terminal, server and system
CN107945350A (en) * 2017-12-21 2018-04-20 美的集团股份有限公司 Door lock communication system and method based on safety chip

Similar Documents

Publication Publication Date Title
CN106656481B (en) Identity identifying method, device and system
CN107959686B (en) A kind of Internet of Things security certification system and authentication method
CN103227776B (en) Configuration method, configuration device, computer program product and control system
CN106101147B (en) A kind of method and system for realizing smart machine and the communication of remote terminal dynamic encryption
CN105635094B (en) Safe verification method, safety verification device and security authentication systems
CN101828357B (en) Credential provisioning method and device
CN106658493A (en) Key management method, device and system
CN103427992B (en) The method and system of secure communication is set up between node in a network
CN106603485A (en) Secret key negotiation method and device
CN105635062B (en) The verification method and device of network access equipment
CN108512846A (en) Mutual authentication method and device between a kind of terminal and server
CN108243181A (en) A kind of car networking terminal, data ciphering method and car networking server
CN104583028B (en) One-way key fob and vehicle pairing
KR20170042549A (en) Method for the authentication of a first electronic entity by a second electronic entity, and electronic entity implementing such a method
CN106411505B (en) A kind of mutual authentication method and Mobile RFID system of Mobile RFID
CN107172056A (en) A kind of channel safety determines method, device, system, client and server
CN105871777A (en) Wireless router access processing method, wireless router access method and device
CN104821933A (en) Device and method certificate generation
CN106101097A (en) Home appliance and with the communication system of Cloud Server and method, Cloud Server
CN106464556B (en) Node network access method, device and system
CN106571915A (en) Terminal master key setting method and apparatus
CN103888938A (en) PKI private key protection method of dynamically generated key based on parameters
CN106789024A (en) A kind of remote de-locking method, device and system
CN109831311A (en) A kind of server validation method, system, user terminal and readable storage medium storing program for executing
CN109245885A (en) Cryptographic key negotiation method, equipment, storage medium and system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181211