CN203386254U

CN203386254U - NFC (Near Field Communication) technology-based high-safety access control system

Info

Publication number: CN203386254U
Application number: CN201320144414.2U
Authority: CN
Inventors: 李一良; 吕前进; 高友; 胡双喜; 王家良; 于博聪; 王盼
Original assignee: TOEC ANCHEN INFORMATION TECHNOLOGY Co Ltd
Current assignee: TOEC ANCHEN INFORMATION TECHNOLOGY Co Ltd
Priority date: 2013-03-27
Filing date: 2013-03-27
Publication date: 2014-01-08
Anticipated expiration: 2023-03-27

Abstract

The utility model relates to an NFC (Near Field Communication) technology-based high-safety access control system which comprises a background management system, an access controller, an access card reader and an access card, wherein the background management system comprises a computer and an SM1 (Smart Media) encryption module, the SM1 encryption module is connected with a computer host interface through an SATA (Serial Advanced Technology Attachment) Device interface and is connected with a hard disk interface through an SATA Host interface; the access controller comprises an SM1 encryption module, the computer of the background management system is in communication connection with the access controller through a network device; the access controller communicates with the access card reader through an RS485 interface device; the access card reader is in contactless connection with the access card wirelessly. According to the NFC technology-based high-safety access control system, identity authentication and data encrypted communication are carried out by adopting an intelligent CPU (Central Processing Unit) card technology of a high-strength safety chip; by adopting an NFC technology, the NFC technology-based high-safety access control system has great compatibility and high safety, thereby effectively avoiding divulging secrets in a transmission link and realizing smooth updating from a contactless access card to an SM2 card.

Description

A kind of height safety door access control system based on the NFC technology

Technical field

The utility model relates to the security device technical field, relates in particular to a kind of height safety door access control system based on the NFC technology.

Background technology

Gate control system is the important component part of security protection industry, and more and more occupy " core " status, and according to investigation statistics, domestic gate control system produce market scale is with the rate of growth rapid growth of 20%-30% every year on average.At present, the most of gate control systems of China adopt the MIFARE card technique, and in the safe conference of RSA in 2007, IOActive company has showed a RFID cloning device, can snatch password by copying credit card; Holland government announced in March, 2008, adopted the chip of MIFARE algorithm can have been cracked relatively like a cork and a large amount of the forgery; The same year, the security expert cracked Britain's distribution, utilize the RFID to store the new bio science-technology passport of personal information.

Lot of domestic and foreign chip producer has proposed the upgrading chip, but, because the factors such as price, technology be universal are not accepted by most of market, has part producer to adopt the common crypto algorithm scheme, also can not meet the demand for security day by day improved.How to address this problem and just become the problem that those skilled in the art will study and solve.

Summary of the invention

The purpose of this utility model is exactly the deficiency existed for existing design, and a kind of height safety door access control system of the NFC of employing technology is provided, the SM1 cryptographic algorithm of examining in conjunction with State Commercial Cryptography Administration, and system hardware adopts the high strength safe chip; Low power dissipation design, open, compatible good, in the hope of effectively raising the security performance of gate control system.

The utility model is to realize by such technical scheme: a kind of height safety door access control system based on the NFC technology, comprise background management system, access controller, access-control card reader and access card, it is characterized in that, background management system comprises computing machine and SM1 encrypting module; The SM1 encrypting module comprises SATA Device interface, SATA Host interface, USB interface and SM1 deck;

The SM1 encrypting module is connected with computer host interface by SATA Device interface, and the SM1 encrypting module is connected with hard-disk interface by SATA Host interface; Access controller comprises the SM1 encrypting module, and the computing machine of background management system is by the network equipment and access controller communication connection; Access controller is by RS485 interfacing equipment and access-control card reader communication connection; Between access-control card reader and access card, by the radio noncontact, connect.

The beneficial effects of the utility model are: the CPU smart card techniques that 1) the system employing is examined algorithm and hardware high strength safe chip through the close office of state carries out the identity discriminating and communicates by letter with data encryption, and security function such as signature generation etc., safe, stable access control system solution is provided, and product has security protection level the highest in like product.2) system adopts the NFC technology, the 13.56Mhz standard non-contact cards such as the compatible ISO 14443A/B of card-reading apparatus, ISO 18092, MiFare, Felica, make system there is extremely strong compatibility and high security, effectively prevent that transmission link from divulging a secret, can realize that the non-contact card gate inhibition is to the SM2 card smooth upgrade of (comprising mobile phone card-brushing) simultaneously.3) system adopts reusability design, open good, can be flexibly and the other system slitless connection such as attendance checking system, be extended to the operation system platforms such as all-purpose card, realize many application scenarioss, conglomerate application, the standard key management tool of independent research is supported the cryptographic service such as the generation of SM1 key, key injection, safe and reliable certificate management functions is provided, and system adopts low power dissipation design, and power consumption is lower than similar products at home and abroad.

The accompanying drawing explanation

Fig. 1, the height safety door access control system theory diagram based on the NFC technology;

Cipher application structural drawing in Fig. 2, the height safety door access control system based on the NFC technology;

Embodiment

Understand the utility model for clearer, describe in conjunction with the accompanying drawings and embodiments the utility model in detail:

As shown in Figure 1 to Figure 2, the height safety door access control system based on the NFC technology, comprise background management system, access controller, access-control card reader and access card, and background management system comprises computing machine and SM1 encrypting module; The SM1 encrypting module comprises SATA Device interface, SATA Host interface, USB interface and SM1 deck;

The SM1 encrypting module is connected with computer host interface by SATA Device interface, and the SM1 encrypting module is connected with hard-disk interface by SATA Host interface;

Access controller comprises the SM1 encrypting module,

The computing machine of background management system is by the network equipment and access controller communication connection;

Access controller is by RS485 interfacing equipment and access-control card reader communication connection;

Adopt the deciphering chip of examining through State Commercial Cryptography Administration, built-in cryptographic algorithm module, frequency of operation 13.56MHz in access card; Access-control card reader adopts the radio frequency chip of NXP company, and frequency of operation 13.56MHz adopts coded communication with access card; The built-in cryptographic algorithm module of access controller, adopt RJ45 interface and the background PC computer communication of following ICP/IP protocol; Key management and card sending system are supported multi-stage key management, guarantee the security of key storage, transmitting procedure by cryptographic algorithm; Background management system utilizes network service, database technology, completes the management functions such as card using information statistics, generating report forms, inquiry job state.

In application system, access card, access card card reader and background management system provide cipher safe protecting by the crypto module in each equipment to system.After the user completes and swipes the card on card reader, opertaing device receives the Card Reader information of card reader, identify its validity, and determine whether trigger to control the relay of electric lock, and carry out other event handlings of swiping the card, final controller stores these events, and sends logout to upper management host, does long preservation, inquiry, statistics.Opertaing device is after setting completes, but the off line independent operating various front-end equipments are controlled, management host or communication failure can not affect its operation.But the passage situation of each passway of managerial personnel's real time inspection, the ruuning situation of front-end equipment, and can control the switch of this control zone passway and change current mode, and history of forming data and form.

1) keeper arranges the essential informations such as passage, personnel in management software.

2) keeper gives everyone hair fastener, and authorizes everyone can pass in and out in which of which gateway period.

While 3) entering, the holder shakes and makes a movement before the door access machine card-reading zone with non-contact card, and door access machine is opened electric lock and opened the door after confirming identity, and after personnel enter, door is closed.

While 4) going out, the holder swipes the card (two-way) or, by the button of going out, door is opened, and after personnel go out, door is closed.

System principle:

In this system, access card adopts the CPU card by the SM1 algorithm of national Password Management office appointment, deposits distribution of information and card key in card, and has the Chip Operating System (COS) that meets relevant criterion; Access card and non-connecing between card reader adopt the SM1 algorithm to carry out identity discriminating and data encryption communication; In card sending system and read write line in security module adopt equally the SM1 algorithm.

According to the above description, can realize scheme of the present utility model in conjunction with art technology.

Claims

1. a kind ofheight safety door access control system based on the NFC technology, comprise background management system, access controller, access-control card reader and access card, it is characterized in that, background management system comprises computing machine and SM1 encrypting module; The SM1 encrypting module comprises SATA Device interface, SATA Host interface, USB interface and SM1 deck; The SM1 encrypting module is connected with computer host interface by SATA Device interface, and the SM1 encrypting module is connected with hard-disk interface by SATA Host interface; Access controller comprises the SM1 encrypting module, and the background management system computing machine is by the network equipment and access controller communication connection; Access controller is by RS485 interfacing equipment and access-control card reader communication connection; Between access-control card reader and access card, by the radio noncontact, connect.