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CN108898708B - Smart access control system based on quantum teleportation and wireless local area network - Google Patents

Smart access control system based on quantum teleportation and wireless local area network Download PDF

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CN108898708B
CN108898708B CN201810639944.1A CN201810639944A CN108898708B CN 108898708 B CN108898708 B CN 108898708B CN 201810639944 A CN201810639944 A CN 201810639944A CN 108898708 B CN108898708 B CN 108898708B
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蔡小琳
张利伟
余伟阳
李晓华
刘玉金
王平
杨晨
王可
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Henan University of Technology
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Abstract

本发明公开了基于量子隐形传态和无线局域网的智能门禁系统，系统包括智能钥匙终端、WIFI无线路由器和智能门禁终端。智能钥匙终端通过发现密钥获取在无线局域网中能够被该智能钥匙终端控制的智能门禁终端对应的设备编号信息，并把获取的所有设备编号信息保存在智能钥匙终端的在线智能门禁终端设备表中；然后，在获取可控智能门禁终端列表的基础上进一步通过量子密钥进行门禁状态设置，基于量子通信的方式确保传送的密钥无法被他人所窃取，提高无线局域网智能门禁系统的安全性能。

Figure 201810639944

The invention discloses an intelligent access control system based on quantum teleportation and wireless local area network. The system includes an intelligent key terminal, a WIFI wireless router and an intelligent access control terminal. The smart key terminal obtains the device number information corresponding to the smart access control terminal that can be controlled by the smart key terminal in the wireless local area network by discovering the key, and saves all the acquired device number information in the online smart access control terminal device table of the smart key terminal ; Then, on the basis of obtaining the list of controllable intelligent access control terminals, the access control state is further set by quantum keys, and the quantum communication method ensures that the transmitted keys cannot be stolen by others, and improves the security performance of the wireless local area network intelligent access control system.

Figure 201810639944

Description

基于量子隐形传态和无线局域网的智能门禁系统Smart access control system based on quantum teleportation and wireless local area network

技术领域technical field

本发明公开了基于量子隐形传态和无线局域网的智能门禁系统，属于物联网智能控制领域。The invention discloses an intelligent access control system based on quantum teleportation and wireless local area network, and belongs to the field of intelligent control of the Internet of Things.

背景技术Background technique

在无线智能门禁系统中，通过经典密钥完成门禁状态的修改存在一定的安全隐患；其采用的加密算法主要是依靠密钥来实现数据保护，一旦密钥在分发过程中被截获，无线智能门禁系统的安全性将无法得到保证。为了能够进一步提高基于无线局域网的智能门禁系统的安全性，本发明中提出了一种基于量子隐形传态和无线局域网的智能门禁系统，基于量子通信的方式确保传送的密钥无法被他人所窃取，改善无线局域网智能门禁系统的安全性能。In the wireless intelligent access control system, the modification of the access control state through the classic key has certain security risks; the encryption algorithm adopted mainly relies on the key to realize data protection. Once the key is intercepted during the distribution process, the wireless intelligent access control The security of the system will not be guaranteed. In order to further improve the security of the intelligent access control system based on wireless local area network, an intelligent access control system based on quantum teleportation and wireless local area network is proposed in the present invention, which ensures that the transmitted key cannot be stolen by others by means of quantum communication. , to improve the security performance of the wireless LAN intelligent access control system.

发明内容SUMMARY OF THE INVENTION

本发明提出的基于量子隐形传态和无线局域网的智能门禁系统，包括智能钥匙终端、WIFI无线路由器和智能门禁终端，智能钥匙终端通过WIFI无线路由器实现对智能门禁终端的智能控制，其中智能钥匙终端和WIFI无线路由器的连接为双向连接，WIFI无线路由器和智能门禁终端的连接为双向连接，智能门禁终端能够根据获得的智能钥匙终端的指令控制门锁的开闭；具体如附图1所示；作为优选，所述的WIFI无线路由器使用TP-LINK无线路由器；智能钥匙终端中的存储器分为经典存储器和量子存储器，智能门禁终端中的存储器分为经典存储器和量子存储器，智能钥匙终端的量子存储器为其控制的每一个智能门禁终端分配一个相应的量子存储空间；经典存储器保存经典比特数据，量子存储器存储经过制备得到的粒子。The intelligent access control system based on quantum teleportation and wireless local area network proposed by the present invention includes a smart key terminal, a WIFI wireless router and an intelligent access control terminal. The intelligent key terminal realizes the intelligent control of the intelligent access control terminal through the WIFI wireless router. The connection with the WIFI wireless router is a two-way connection, and the connection between the WIFI wireless router and the smart access control terminal is a two-way connection, and the smart access control terminal can control the opening and closing of the door lock according to the obtained instructions of the smart key terminal; as shown in Figure 1; Preferably, the WIFI wireless router uses a TP-LINK wireless router; the memory in the smart key terminal is divided into classical memory and quantum memory, the memory in the smart access control terminal is divided into classical memory and quantum memory, and the quantum memory of the smart key terminal is divided into A corresponding quantum storage space is allocated to each smart access control terminal it controls; the classical memory saves the classical bit data, and the quantum memory stores the prepared particles.

WIFI无线路由器建立自己的无线局域网，设置相应的接入密码，密码用PS表示；智能钥匙终端加入到该WIFI无线路由器所建立的无线局域网中；智能门禁终端使用密码PS加入到WIFI无线路由器所建立的无线局域网中。每一个智能门禁终端都拥有一个唯一的设备编号。The WIFI wireless router establishes its own wireless local area network, and sets the corresponding access password. The password is represented by PS; the smart key terminal is added to the wireless local area network established by the WIFI wireless router; the smart access control terminal uses the password PS to join the wireless local area network established by the WIFI wireless router. in the wireless local area network. Each smart access control terminal has a unique device number.

基于量子隐形传态和无线局域网的智能门禁系统各个组成部分通信时使用的报文类型有：门禁控制终端发现报文、门禁控制终端响应报文、门禁状态设置报文、门禁状态设置响应报文，报文格式见表1、表2、表3和表4；门禁控制终端发现报文由报文类型和发现秘钥两个字段构成，门禁控制终端响应报文由报文类型、设备编号和发现秘钥三个字段构成，门禁状态设置报文由报文类型、设备编号、量子序号、加密量子密钥和门禁状态五个字段构成，门禁状态设置响应报文由报文类型、设备编号、量子序号和加密量子密钥四个字段构成。The message types used in the communication of each component of the intelligent access control system based on quantum teleportation and wireless local area network are: access control terminal discovery message, access control terminal response message, access control state setting message, and access control state setting response message , the message format is shown in Table 1, Table 2, Table 3 and Table 4; the access control terminal discovery message consists of two fields: message type and discovery key, and the access control terminal response message consists of message type, device number and The discovery key consists of three fields. The access control state setting message consists of five fields: message type, device number, quantum serial number, encrypted quantum key, and access control state. The access control state setting response message consists of message type, device number, The quantum serial number and the encrypted quantum key are composed of four fields.

Figure 100002_DEST_PATH_IMAGE001
Figure 100002_DEST_PATH_IMAGE001

Figure 100002_DEST_PATH_IMAGE002
Figure 100002_DEST_PATH_IMAGE002

Figure 100002_DEST_PATH_IMAGE003
Figure 100002_DEST_PATH_IMAGE003

Figure 100002_DEST_PATH_IMAGE004
Figure 100002_DEST_PATH_IMAGE004

Figure 100002_DEST_PATH_IMAGE005
Figure 100002_DEST_PATH_IMAGE005

在线智能门禁终端设备表如表5所示，其包含设备编号1个字段，保存在智能钥匙终端的经典存储器中；智能钥匙终端通过发现密钥获取在无线局域网中能够被该智能钥匙终端控制的智能门禁终端对应的设备编号信息，并把获取的所有设备编号信息保存在智能钥匙终端的在线智能门禁终端设备表中；然后，在获取可控智能门禁终端列表的基础上进一步通过量子密钥进行门禁状态设置；通过发现密钥完成的第一级授权认证能够为我们提供可控智能门禁终端的设备列表信息，如果智能钥匙终端发现需要进行状态设置的门禁设备不在列表中，就不需要使用量子密钥进行第二步认证，从而能够有效节约纠缠粒子的消耗，具体步骤如下：The online smart access control terminal equipment table is shown in Table 5, which includes a field of equipment number, which is stored in the classic memory of the smart key terminal; The device number information corresponding to the smart access control terminal, and save all the obtained device number information in the online smart access control terminal device table of the smart key terminal; then, on the basis of obtaining the list of controllable smart access control terminals, the quantum key Access control status setting; the first-level authorization and authentication completed by the discovery key can provide us with the device list information of the controllable smart access control terminal. If the smart key terminal finds that the access control device that needs to be set is not in the list, there is no need to use quantum The key is authenticated in the second step, which can effectively save the consumption of entangled particles. The specific steps are as follows:

步骤1、在智能钥匙终端和其控制的所有智能门禁终端的经典存储器中预先保存一个相同的发现密钥CKEY，清空智能钥匙终端的在线智能门禁终端设备表；Step 1. Pre-save an identical discovery key CKEY in the classic memory of the smart key terminal and all smart access control terminals it controls, and clear the online smart access control terminal device table of the smart key terminal;

步骤2、智能钥匙终端从其经典存储器中取出发现密钥，用CKEY1表示；智能钥匙终端向其所在的无线局域网中以广播的方式发送门禁控制终端发现报文，该报文中报文类型的数值为0x01，发现密钥字段的数值设置为CKEY1；Step 2. The smart key terminal takes out the discovery key from its classic memory, which is represented by CKEY1; the smart key terminal broadcasts the access control terminal discovery message to the wireless local area network where it is located. The value is 0x01, and the value of the key field is found to be set to CKEY1;

步骤3，智能门禁终端收到广播报文后，按照报文格式对收到的报文进行解析，解析出报文各个字段的内容；Step 3, after receiving the broadcast message, the intelligent access control terminal parses the received message according to the message format, and parses the contents of each field of the message;

步骤4，如果智能门禁终端解析报文得到的报文类型的数值为0x01，则表示该报文为门禁控制终端发现报文；假定解析得到的发现密钥字段的数值用CKEY2表示，从该智能门禁终端的经典存储器中取出其预先保存的发现密钥，用CKEY3表示；如果CKEY2不等于CKEY3，则智能门禁终端直接将该报文丢弃，不再进行后续处理；如果CKEY2等于CKEY3，则执行步骤5；Step 4, if the value of the packet type obtained by the intelligent access control terminal parses the packet is 0x01, it means that the packet is an access control terminal discovery packet; assuming that the value of the discovery key field obtained by parsing is represented by CKEY2, from the intelligent access control terminal Take out the pre-saved discovery key from the classic memory of the access control terminal, which is represented by CKEY3; if CKEY2 is not equal to CKEY3, the intelligent access control terminal directly discards the message and does not perform subsequent processing; if CKEY2 is equal to CKEY3, perform the steps 5;

步骤5、智能门禁终端生成一个门禁控制终端响应报文，发送给智能钥匙终端；在生成的门禁控制终端响应报文中，报文类型的数值为0X02，设备编号的数值为智能门禁终端对应的设备编号，发现密钥的数值为CEKY3；Step 5. The smart access control terminal generates an access control terminal response message and sends it to the smart key terminal; in the generated access control terminal response message, the value of the message type is 0X02, and the value of the device number is the corresponding value of the smart access control terminal. Device number, the value of the discovery key is CEKY3;

步骤6、智能钥匙终端收到报文后，对该报文进行解析；如果智能钥匙终端解析得到的报文类型字段数值为0x02，表示该报文为门禁控制终端响应报文，智能钥匙终端针对收到的响应报文，按照门禁控制终端响应报文格式对报文进行解析，解析得到的设备编号字段用DN表示，解析得到的发现密钥字段用CKEY4表示，如果CKEY4等于CKEY1，则将设备编号DN加入智能钥匙终端的在线智能门禁终端设备表中；如果CKEY4不等于CKEY1，则丢弃此报文。Step 6. After the smart key terminal receives the message, it parses the message; if the value of the message type field obtained by the smart key terminal analysis is 0x02, it means that the message is an access control terminal response message, and the smart key terminal responds to the message. The received response message is parsed according to the response message format of the access control terminal. The device number field obtained by analysis is represented by DN, and the discovery key field obtained by analysis is represented by CKEY4. If CKEY4 is equal to CKEY1, the device The serial number DN is added to the online smart access control terminal device table of the smart key terminal; if CKEY4 is not equal to CKEY1, this message is discarded.

智能钥匙终端如果需要对设备编号为S的智能门禁终端进行门禁状态设置，在智能钥匙终端的在线智能门禁终端设备表中查找是否存在设备编号为S的记录，如果不存在，则智能钥匙终端无法对该智能门禁终端进行设置；如果存在，则通过门禁状态设置报文和门禁状态设置响应报文对智能门禁终端S完成门禁状态设置，针对智能门禁终端S完成门禁状态设置的具体步骤如下：If the smart key terminal needs to set the access control status of the smart access control terminal with the device number S, check whether there is a record with the device number S in the online smart access control terminal device table of the smart key terminal. If it does not exist, the smart key terminal cannot. Set the smart access control terminal; if it exists, complete the access control state setting for the smart access control terminal S through the access control state setting message and the access control state setting response message. The specific steps for completing the access control state setting for the smart access control terminal S are as follows:

步骤1、智能钥匙终端预先为某智能门禁终端S制备M个处于纠缠状态的量子对，其中第i个量子对的纠缠态为

Figure 100002_DEST_PATH_IMAGE006
，且
Figure 100002_DEST_PATH_IMAGE007
；其中每个量子对的第一个粒子由智能钥匙终端保存在其为智能门禁终端S预先分配的量子存储空间QS中，量子存储空间QS中保存的每个粒子都对应一个量子序号，每个量子对的第二个粒子由智能钥匙终端通过光纤分配给智能门禁终端S，由智能门禁终端S保存在自己的量子存储器内；假定智能门禁终端S对应的量子密钥设置为KEY1，智能钥匙终端和智能门禁终端S都已将该量子密钥KEY1预先保存在自己的经典存储器中；假定该量子密钥KEY1的长度为L1个字节，且L1等于4；Step 1. The smart key terminal prepares M quantum pairs in an entangled state for a smart access control terminal S in advance, wherein the entangled state of the i-th quantum pair is
Figure 100002_DEST_PATH_IMAGE006
,and
Figure 100002_DEST_PATH_IMAGE007
; The first particle of each quantum pair is stored by the smart key terminal in the quantum storage space QS pre-allocated for the smart access control terminal S, and each particle saved in the quantum storage space QS corresponds to a quantum serial number, and each The second particle of the quantum pair is distributed by the smart key terminal to the smart access control terminal S through the optical fiber, and the smart access control terminal S saves it in its own quantum memory; assuming that the quantum key corresponding to the smart access control terminal S is set to KEY1, the smart key terminal Both the quantum key KEY1 and the smart access control terminal S have pre-stored the quantum key KEY1 in their own classical memory; it is assumed that the quantum key KEY1 has a length of L1 bytes, and L1 is equal to 4;

步骤2、智能钥匙终端针对量子密钥KEY1共计8L1比特的数据分别制备8L1个相应的粒子，如果第i个比特为0，则制备得到粒子的量子态为

Figure 100002_DEST_PATH_IMAGE008
；如果第i个比特为1，则制备得到粒子的量子态为
Figure 100002_DEST_PATH_IMAGE009
；制备得到的粒子用
Figure 100002_DEST_PATH_IMAGE010
表示，
Figure 100002_DEST_PATH_IMAGE011
，
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；则
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，且
Figure 100002_DEST_PATH_IMAGE014
，
Figure 100002_DEST_PATH_IMAGE015
，
Figure 100002_DEST_PATH_IMAGE016
；Step 2. The smart key terminal prepares 8L1 corresponding particles for the data of the quantum key KEY1 with a total of 8L1 bits. If the i-th bit is 0, the quantum state of the prepared particle is:
Figure 100002_DEST_PATH_IMAGE008
; If the i-th bit is 1, the quantum state of the prepared particle is
Figure 100002_DEST_PATH_IMAGE009
; the prepared particles are used
Figure 100002_DEST_PATH_IMAGE010
express,
Figure 100002_DEST_PATH_IMAGE011
,
Figure 100002_DEST_PATH_IMAGE012
;but
Figure 100002_DEST_PATH_IMAGE013
,and
Figure 100002_DEST_PATH_IMAGE014
,
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,
Figure 100002_DEST_PATH_IMAGE016
;

步骤3、当智能钥匙终端需要对智能门禁终端S的门禁状态进行设置时，假定智能门禁终端S在智能钥匙终端量子存储空间QS中对应的最小的可用粒子序号为N；智能钥匙终端将制备得到的8L1个粒子和智能门禁终端S在智能钥匙终端量子存储空间QS中对应的序号为N到N+8L1-1的8L1个粒子执行贝尔测量，并将测量得到的结果作为加密量子密钥字段的数值封装到门禁状态设置报文中以广播的形式发送到该无线局域网中，该报文中报文类型字段的数值设置为0X03，设备编号字段的数值设置为S，量子序号字段的数值为N，门禁状态字段按照实际情况进行设置（门禁状态字段数值为1，表示开锁；门禁状态字段数值为0，表示闭锁）；将智能钥匙终端量子存储空间QS中量子序号为N到N+8L1-1的粒子删除；对发送的门禁状态设置报文设置一个计时器T，并启动该计时器；如果在计时器T超时之前智能钥匙终端没有收到智能门禁终端S的门禁状态设置响应报文，则执行步骤2（计时器T超时可能是因为门禁状态设置报文丢失、迟到或者是门禁状态设置响应报文丢失、迟到引起的）；如果在计时器T超时之前智能钥匙终端收到了智能门禁终端S的门禁状态设置响应报文，则执行步骤4；Step 3. When the smart key terminal needs to set the access control state of the smart access control terminal S, it is assumed that the minimum available particle number corresponding to the smart access control terminal S in the smart key terminal quantum storage space QS is N; the smart key terminal will prepare The 8L1 particles of the smart access control terminal S and the corresponding 8L1 particles with serial numbers from N to N+8L1-1 in the quantum storage space QS of the smart key terminal perform Bell measurement, and use the measurement results as the encrypted quantum key field. The value is encapsulated into the access control status setting message and sent to the wireless LAN in the form of broadcast. The value of the message type field in the message is set to 0X03, the value of the device number field is set to S, and the value of the quantum serial number field is N. , the access control status field is set according to the actual situation (the value of the access control status field is 1, which means unlocking; the value of the access control status field is 0, which means blocking); the quantum serial number in the quantum storage space QS of the smart key terminal is N to N+8L1-1 delete the particles; set a timer T for the sent access control status setting message, and start the timer; if the smart key terminal does not receive the access control status setting response message from the smart access control terminal S before the timer T times out, then Go to step 2 (timeout of timer T may be caused by the loss or late arrival of the access control status setting message or the loss or late arrival of the access control status setting response message); if the smart key terminal receives the smart access control terminal S before the timer T times out access control status setting response message, then go to step 4;

步骤4、智能门禁终端S收到广播报文后，通过对该报文进行解析，如果该报文的报文类型字段为0X03，则该报文为门禁状态设置报文，从该报文中解析出量子序号字段和加密量子密钥字段，解析得到的量子序号字段用N1表示；查询智能门禁终端S当前可用的最小的量子序号，用N2表示；如果N1>N2，则表明智能门禁终端S收到的报文是一个重发的门禁状态设置报文，则执行步骤５；如果N1<N2，则表明该报文为一个迟到的报文，直接丢弃就可以，不再进行后续处理；如果N1=N2，则执行步骤7；Step 4. After receiving the broadcast message, the smart access control terminal S analyzes the message. If the message type field of the message is 0X03, the message is an access control state setting message. Parse out the quantum serial number field and the encrypted quantum key field, and the obtained quantum serial number field is represented by N1; query the smallest quantum serial number currently available to the smart access control terminal S, represented by N2; if N1>N2, it indicates the smart access control terminal S If the received message is a retransmitted access control status setting message, go to step 5; if N1<N2, it means that the message is a late message, and it can be discarded directly without further processing; if N1=N2, then go to step 7;

步骤5、在智能门禁终端S的量子存储器中删除第N2个粒子，执行步骤6；Step 5. Delete the N2th particle in the quantum memory of the smart access control terminal S, and perform step 6;

步骤6、将N2的数值加1，如果N2<N1，则重复执行步骤5；如果N2=N1，执行步骤7；Step 6. Add 1 to the value of N2. If N2<N1, repeat step 5; if N2=N1, execute step 7;

步骤7、将智能门禁终端S解析得到的加密量子密钥字段以两个比特为单位按照顺序将16L1比特分成8L1对，每对中包含两个比特；假定

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，针对每对比特执行步骤8；Step 7. Divide the 16L1 bits into 8L1 pairs in order in units of two bits in the encrypted quantum key field obtained by the analysis of the smart access control terminal S, and each pair contains two bits;
Figure 691500DEST_PATH_IMAGE012
, perform step 8 for each pair of bits;

步骤8、如果第i对比特的数值为00，则对智能门禁终端S中保存的N2+i-1个粒子执行相应的幺正变换

Figure 100002_DEST_PATH_IMAGE017
，
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；如果第N2+i-1对比特的数值为01，则对智能门禁终端S中保存的第N2+i-1个粒子执行相应的幺正变换
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，
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；如果第N2+i-1对比特的数值为10，则对智能门禁终端S中保存的第N2+i-1个粒子执行相应的幺正变换
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，
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；如果第i对比特的数值为11，则对智能门禁终端S中保存的第N2+i-1个粒子执行相应的幺正变换
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，
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；在智能门禁终端S中，将第N2+i-1个粒子删除；Step 8. If the value of the i-th pair of bits is 00, perform the corresponding unitary transformation on the N2+i-1 particles stored in the smart access control terminal S.
Figure 100002_DEST_PATH_IMAGE017
,
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; If the value of the N2+i-1 pair of bits is 01, then perform the corresponding unitary transformation on the N2+i-1 particle saved in the smart access control terminal S
Figure 100002_DEST_PATH_IMAGE019
,
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; If the value of the N2+i-1 pair of bits is 10, then perform the corresponding unitary transformation on the N2+i-1 particle saved in the smart access control terminal S
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,
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; If the value of the i-th pair of bits is 11, then perform the corresponding unitary transformation on the N2+i-1th particle saved in the smart access control terminal S
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,
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; in the smart access control terminal S, delete the N2+i-1th particle;

步骤9、对变换后的每个粒子依次按照基矢

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和
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进行测量，测量结果为
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表示相应比特为0；测量结果为
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表示相应比特为1；最终可以得到长度为L1个字节的量子密钥KEY2；Step 9. Follow the basis vector of each transformed particle in turn
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and
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to measure, the result is
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Indicates that the corresponding bit is 0; the measurement result is
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Indicates that the corresponding bit is 1; finally, a quantum key KEY2 with a length of L1 bytes can be obtained;

步骤10、智能门禁终端S从自己的经典存储器中取出预先保存的量子密钥KEY3，如果KEY2=KEY3，则对门禁状态进行修改，并返回给智能钥匙终端一个门禁状态设置响应报文，用于向智能钥匙终端报告门禁状态修改情况；智能门禁终端S将根据量子密钥KEY3的数据制备得到8L1个粒子，制备方法与步骤2相同；然后将制备得到的8L1个粒子和自己量子存储器中对应的序号为N2+8L1到N2+16L1-1的8L1个粒子执行贝尔测量，并将测量结果作为门禁状态设置响应报文的加密量子密钥字段，在门禁状态设置响应报文中，报文类型字段为0X04，设备编号字段设置为S，量子序号字段设置为N2+8L1；Step 10. The smart access control terminal S takes out the pre-saved quantum key KEY3 from its own classical memory. If KEY2=KEY3, the access control state is modified, and an access control state setting response message is returned to the smart key terminal for use in Report the access control status modification to the smart key terminal; the smart access control terminal S will prepare 8L1 particles according to the data of the quantum key KEY3, and the preparation method is the same as step 2; 8L1 particles with serial numbers from N2+8L1 to N2+16L1-1 perform Bell measurement, and use the measurement result as the encrypted quantum key field of the access control state setting response message. In the access control state setting response message, the message type field is 0X04, the device number field is set to S, and the quantum serial number field is set to N2+8L1;

步骤11、智能钥匙终端收到报文后，对该报文进行解析，如果该报文的报文类型字段为0X04，则该报文为门禁状态设置响应报文，从该报文中解析出加密量子密钥字段和量子序号字段，解析得到的量子序号字段用N3表示；查询智能钥匙终端当前可用的最小的量子序号，用N4表示；如果N3<N4，则表明智能钥匙终端收到的确认报文是一个迟到的确认报文，则直接丢弃就可以，不再进行后续处理；如果N3=N4，则执行步骤12；Step 11. After receiving the message, the smart key terminal parses the message. If the message type field of the message is 0X04, the message is an access control status setting response message, and the message is parsed from the message. Encrypt the quantum key field and quantum serial number field, and the quantum serial number field obtained by parsing is represented by N3; query the smallest quantum serial number currently available to the smart key terminal, represented by N4; if N3<N4, it indicates the confirmation received by the smart key terminal If the message is a late confirmation message, it can be discarded without further processing; if N3=N4, go to step 12;

步骤12、智能钥匙终端解析得到的加密量子密钥字段数据以两个比特为单位按照顺序将16L1比特分成8L1对，每对中包含两个比特；假定

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，针对每对比特执行步骤13；Step 12: The encrypted quantum key field data parsed by the smart key terminal divides the 16L1 bits into 8L1 pairs in order in units of two bits, and each pair contains two bits;
Figure 899450DEST_PATH_IMAGE012
, perform step 13 for each pair of bits;

步骤13、如果第i对比特的数值为00，则对智能钥匙终端的量子存储空间QS中保存的N4+i-1个粒子执行相应的幺正变换

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，
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；如果第N4+i-1对比特的数值为01，则对智能钥匙终端的量子存储空间QS中保存的第N4+i-1个粒子执行相应的幺正变换
Figure 884614DEST_PATH_IMAGE019
，
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；如果第N4+i-1对比特的数值为10，则对智能钥匙终端的量子存储空间QS中保存的第N4+i-1个粒子执行相应的幺正变换
Figure 902434DEST_PATH_IMAGE021
，
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；如果第i对比特的数值为11，则对智能钥匙终端的量子存储空间QS中保存的第N4+i-1个粒子执行相应的幺正变换
Figure 65748DEST_PATH_IMAGE023
，
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；在智能钥匙终端的量子存储空间QS中，将第N4+i-1个粒子删除；Step 13. If the value of the i-th pair of bits is 00, perform the corresponding unitary transformation on the N4+i-1 particles stored in the quantum storage space QS of the smart key terminal.
Figure 251934DEST_PATH_IMAGE017
,
Figure 319116DEST_PATH_IMAGE018
; If the value of the N4+i-1 pair of bits is 01, perform the corresponding unitary transformation on the N4+i-1 particle saved in the quantum storage space QS of the smart key terminal
Figure 884614DEST_PATH_IMAGE019
,
Figure 305231DEST_PATH_IMAGE020
; If the value of the N4+i-1th pair of bits is 10, perform the corresponding unitary transformation on the N4+i-1th particle stored in the quantum storage space QS of the smart key terminal
Figure 902434DEST_PATH_IMAGE021
,
Figure 140518DEST_PATH_IMAGE022
; If the value of the i-th pair of bits is 11, perform the corresponding unitary transformation on the N4+i-1th particle saved in the quantum storage space QS of the smart key terminal
Figure 65748DEST_PATH_IMAGE023
,
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; in the quantum storage space QS of the smart key terminal, delete the N4+i-1th particle;

步骤14、对变换后的每个粒子依次按照基矢

Figure 603750DEST_PATH_IMAGE008
和
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进行测量，测量结果为
Figure 425262DEST_PATH_IMAGE008
表示相应比特为0；测量结果为
Figure 577894DEST_PATH_IMAGE009
表示相应比特为1；最终可以得到长度为L1个字节的量子密钥KEY5；Step 14. Follow the basis vector of each transformed particle in turn
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and
Figure 888101DEST_PATH_IMAGE009
to measure, the result is
Figure 425262DEST_PATH_IMAGE008
Indicates that the corresponding bit is 0; the measurement result is
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Indicates that the corresponding bit is 1; finally, the quantum key KEY5 with a length of L1 bytes can be obtained;

步骤15、如果KEY5等于KEY1，则接收到的量子密钥正确，智能钥匙终端成功修改了智能门禁终端S的门禁状态；如果KEY5不等于KEY1，则接收到的量子密钥不正确，直接丢弃该报文，门禁状态修改失败。Step 15. If KEY5 is equal to KEY1, the received quantum key is correct, and the smart key terminal successfully modifies the access control status of the smart access control terminal S; if KEY5 is not equal to KEY1, the received quantum key is incorrect, and it is discarded directly. message, access control status modification failed.

附图说明Description of drawings

图1是基于量子隐形传态和无线局域网的智能门禁系统结构图。Figure 1 is a structural diagram of an intelligent access control system based on quantum teleportation and wireless local area network.

具体实施方式Detailed ways

智能钥匙终端通过发现密钥获取在无线局域网中能够被该智能钥匙终端控制的智能门禁终端对应的设备编号信息，并把获取的所有设备编号信息保存在智能钥匙终端的在线智能门禁终端设备表中；然后，在获取可控智能门禁终端列表的基础上进一步通过量子密钥进行门禁状态设置；通过发现密钥完成的第一级授权认证能够为我们提供可控智能门禁终端的设备列表信息，如果智能钥匙终端发现需要进行状态设置的门禁设备不在列表中，就不需要使用量子密钥进行第二步认证，从而能够有效节约纠缠粒子的消耗。The smart key terminal obtains the device number information corresponding to the smart access control terminal that can be controlled by the smart key terminal in the wireless local area network by discovering the key, and saves all the acquired device number information in the online smart access control terminal device table of the smart key terminal ; Then, on the basis of obtaining the list of controllable smart access control terminals, the access control state setting is further carried out through the quantum key; the first-level authorization and authentication completed by discovering the key can provide us with the device list information of the controllable smart access control terminal, if When the smart key terminal finds that the access control device that needs to be set is not in the list, it does not need to use the quantum key for the second-step authentication, which can effectively save the consumption of entangled particles.

智能钥匙终端如果需要对设备编号为S的智能门禁终端进行门禁状态设置，在智能钥匙终端的在线智能门禁终端设备表中查找是否存在设备编号为S的记录，如果不存在，则智能钥匙终端无法对该智能门禁终端进行设置；如果存在，则通过门禁状态设置报文和门禁状态设置响应报文对智能门禁终端S完成门禁状态设置。If the smart key terminal needs to set the access control status of the smart access control terminal with the device number S, check whether there is a record with the device number S in the online smart access control terminal device table of the smart key terminal. If it does not exist, the smart key terminal cannot. Set the smart access control terminal; if it exists, complete the access control state setting for the smart access control terminal S through the access control state setting message and the access control state setting response message.

Claims (3)

1. The intelligent access control system based on quantum invisible state transfer and the wireless local area network comprises an intelligent key terminal, a WIFI wireless router and an intelligent access control terminal, wherein the intelligent key terminal realizes intelligent control on the intelligent access control terminal through the WIFI wireless router, the intelligent key terminal and the WIFI wireless router are connected in a bidirectional mode, and the WIFI wireless router and the intelligent access control terminal are connected in a bidirectional mode; the intelligent key terminal comprises a memory, a quantum memory, a memory management module and a control module, wherein the memory in the intelligent key terminal is divided into a classical memory and a quantum memory; the classical memory stores classical bit data, and the quantum memory stores particles obtained through preparation; the message types used in the communication of all the components of the intelligent access control system based on the quantum invisible state and the wireless local area network are as follows: the access control terminal finds the message, the access control terminal responds the message, the access control state setting message and the access control state setting response message; the access control terminal discovery message is composed of a message type and a discovery secret key, the access control terminal response message is composed of a message type, an equipment number and a discovery secret key, the access control state setting message is composed of a message type, an equipment number, a quantum number, an encrypted quantum key and an access control state, and the access control state setting response message is composed of a message type, an equipment number, a quantum number and an encrypted quantum key; the intelligent access control system based on the quantum invisible state and the wireless local area network is characterized by comprising the following steps:
step 11, the WIFI wireless router establishes a wireless local area network of the WIFI wireless router, and sets a corresponding access password, wherein the password is represented by PS; the intelligent key terminal is added into a wireless local area network established by the WIFI wireless router; the intelligent access control terminal uses the password PS to add into a wireless local area network established by the WIFI wireless router; each intelligent access control terminal has a unique equipment number;
step 12, the intelligent key terminal obtains the equipment number information corresponding to the intelligent access control terminal which can be controlled by the intelligent key terminal in the wireless local area network by finding the secret key, and stores all the obtained equipment number information in an online intelligent access control terminal equipment list of the intelligent key terminal;
step 13, if the intelligent key terminal needs to set the entrance guard state of the intelligent entrance guard terminal with the equipment number S, searching whether a record with the equipment number S exists in an online intelligent entrance guard terminal equipment table of the intelligent key terminal, and if the record does not exist, the intelligent key terminal cannot set the intelligent entrance guard terminal; and if so, completing entrance guard state setting on the intelligent entrance guard terminal S through the entrance guard state setting message and the entrance guard state setting response message.
2. The intelligent access control system based on quantum invisible state and wireless local area network of claim 1, characterized in that in step 12, the following steps are mainly performed:
step 21, pre-storing a same discovery key CKEY in the intelligent key terminal and the classical memories of all intelligent access control terminals controlled by the intelligent key terminal, and emptying an online intelligent access control terminal equipment list of the intelligent key terminal;
step 22, the smart key terminal takes out the found key from its classic memory, represented by CKEY 1; the intelligent key terminal sends an access control terminal discovery message to a wireless local area network where the intelligent key terminal is located in a broadcasting mode, the numerical value of the message type in the message is 0x01, and the numerical value of a discovery key field is set to be CKEY 1;
step 23, after receiving the broadcast message, the intelligent access control terminal analyzes the received message according to the message format to analyze the content of each field of the message;
step 24, if the value of the message type obtained by analyzing the message by the intelligent access control terminal is 0x01, the message is a message discovered by the access control terminal; assuming that the value of the discovery key field obtained by analysis is represented by CKEY2, taking the discovery key stored in advance from the classic memory of the intelligent access control terminal, and representing the discovery key by CKEY 3; if the CKEY2 is not equal to CKEY3, the intelligent access control terminal directly discards the message and does not perform subsequent processing; if CKEY2 is equal to CKEY3, then step 25 is performed;
step 25, the intelligent access control terminal generates an access control terminal response message and sends the access control terminal response message to the intelligent key terminal; in the generated access control terminal response message, the value of the message type is 0X02, the value of the equipment number is the equipment number corresponding to the intelligent access control terminal, and the value of the found secret key is CEKY 3;
step 26, after receiving the message, the intelligent key terminal analyzes the message; if the message type field value obtained by the intelligent key terminal through analysis is 0x02, the message is represented as an access control terminal response message, the intelligent key terminal analyzes the message according to the access control terminal response message format aiming at the received response message, the device number field obtained through analysis is represented by DN, the discovered key field obtained through analysis is represented by CKEY4, and if CKEY4 is equal to CKEY1, the device number DN is added into an online intelligent access control terminal device table of the intelligent key terminal; if CKEY4 is not equal to CKEY1, then the message is discarded.
3. The intelligent access control system based on quantum invisible state and wireless local area network of claim 1, characterized in that in step 13, the following steps are mainly performed:
step 3A, the intelligent key terminal prepares M quantum pairs in an entangled state for a certain intelligent access control terminal S in advance, wherein the entangled state of the ith quantum pair is
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And is and
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(ii) a Wherein the first particle of each quantum pair is stored by the smart key terminal in a quantum storage space QS pre-allocated to the smart gate control terminal S, and the quantum storage space QS is stored inEach stored particle corresponds to a quantum serial number, the second particle of each quantum pair is distributed to the intelligent access control terminal S by the intelligent key terminal through optical fibers, and the intelligent access control terminal S stores the second particle in a quantum memory of the intelligent access control terminal S; assuming that a quantum KEY corresponding to the intelligent access control terminal S is set as KEY1, the quantum KEY KEY1 is pre-stored in a classic memory of the intelligent KEY terminal and the intelligent access control terminal S; assume that the quantum KEY1 is L1 bytes in length, and L1 equals 4;
step 3B, the intelligent KEY terminal respectively prepares 8L1 corresponding particles aiming at 8L1 bits of data in total of the quantum KEY KEY1, and if the ith bit is 0, the quantum state of the prepared particles is
Figure DEST_PATH_IMAGE003
(ii) a If the ith bit is 1, the quantum state of the prepared particle is
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(ii) a For preparing the obtained particles
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It is shown that,
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，
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(ii) a Then
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And is and
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，
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，
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；
step 3C, when the intelligent key terminal needs to set the entrance guard state of the intelligent entrance guard terminal S, assuming that the corresponding minimum available particle serial number of the intelligent entrance guard terminal S in the intelligent key terminal quantum storage space QS is N; the intelligent key terminal executes Bell measurement on 8L1 prepared particles and 8L1 particles with the corresponding serial numbers of N to N +8L1-1 of an intelligent access control terminal S in an intelligent key terminal quantum storage space QS, the measured result is packaged into an access control state setting message as the numerical value of an encrypted quantum key field and is sent to the wireless local area network in a broadcasting mode, the numerical value of a message type field in the message is set to be 0X03, the numerical value of an equipment number field is set to be S, the numerical value of a quantum sequence number field is N, and the access control state field is set according to actual conditions; deleting the particles with the quantum sequence numbers from N to N +8L1-1 in the QS; setting a timer T for the sent entrance guard state setting message, and starting the timer; if the intelligent key terminal does not receive the entrance guard state setting response message of the intelligent entrance guard terminal S before the timer T is overtime, executing the step 3B; if the intelligent key terminal receives the entrance guard state setting response message of the intelligent entrance guard terminal S before the timer T is overtime, executing the step 3D;
step 3D, after receiving the broadcast message, the intelligent access control terminal S analyzes the message, if the message type field of the message is 0X03, the message is set in an access control state, a quantum sequence number field and an encrypted quantum key field are analyzed from the message, and the quantum sequence number field obtained by analysis is represented by N1; inquiring the minimum quantum serial number currently available for the intelligent access control terminal S, and expressing the minimum quantum serial number by using N2; if N1 is more than N2, the message received by the intelligent access control terminal S is a retransmitted access control state setting message, and then the step 3E is executed; if N1< N2, it indicates that the message is a late message and the message can be directly discarded without performing subsequent processing; if N1= N2, performing step 3G;
step 3E, deleting the Nth 2 th particle in a quantum memory of the intelligent access control terminal S, and executing the step 3F;
step 3F, adding 1 to the value of N2, and if N2 is less than N1, repeatedly executing the step 3E; if N2= N1, performing step 3G;
step 3G, dividing the 16L1 bits into 8L1 pairs in sequence by taking two bits as a unit for the encrypted quantum key field obtained by the analysis of the intelligent access control terminal S, wherein each pair comprises two bits; suppose that
Figure 735760DEST_PATH_IMAGE007
Performing step 3H for each pair of bits;
and 3H, if the value of the ith pair bit is 00, performing corresponding unitary transformation on N2+ i-1 particles stored in the intelligent access control terminal S
Figure DEST_PATH_IMAGE012
，
Figure DEST_PATH_IMAGE013
(ii) a If the value of the N2+ i-1 pair bit is 01, corresponding unitary transformation is carried out on the N2+ i-1 particle stored in the intelligent access control terminal S
Figure DEST_PATH_IMAGE014
，
Figure DEST_PATH_IMAGE015
(ii) a If the value of the N2+ i-1 paired bit is 10, performing corresponding unitary transformation on the N2+ i-1 particles stored in the intelligent access control terminal S
Figure DEST_PATH_IMAGE016
，
Figure DEST_PATH_IMAGE017
(ii) a If the value of the ith pair of bits is 11, performing corresponding unitary transformation on the N2+ i-1 th particle stored in the intelligent access control terminal S
Figure DEST_PATH_IMAGE018
，
Figure DEST_PATH_IMAGE019
(ii) a In an intelligent access control terminal S, deleting the N2+ i-1 th particle;
step 3I, sequentially carrying out basal vectors on each particle after transformation
Figure 278999DEST_PATH_IMAGE003
And
Figure 183370DEST_PATH_IMAGE004
carrying out the measurement with the result of
Figure 578579DEST_PATH_IMAGE003
Indicating that the corresponding bit is 0; the result of the measurement is
Figure 520515DEST_PATH_IMAGE004
Indicates that the corresponding bit is 1; finally, quantum KEY KEY2 with the length of L1 bytes can be obtained;
step 3J, the intelligent access control terminal S takes out the quantum KEY KEY3 which is saved in advance from the classical memory, if the KEY2= KEY3, the access control state is modified, and an access control state setting response message is returned to the intelligent KEY terminal and is used for reporting the access control state modification condition to the intelligent KEY terminal; the intelligent access control terminal S prepares 8L1 particles according to the data of the quantum KEY KEY3, and the preparation method is the same as the step 3B; then, Bell measurement is carried out on the prepared 8L1 particles and 8L1 particles with the corresponding serial numbers of N2+8L1 to N2+16L1-1 in a quantum memory of the particle-based access control device, the measurement result is used as an encrypted quantum key field of an access control state setting response message, in the access control state setting response message, the message type field is 0X04, the equipment number field is S, and the quantum sequence number field is N2+8L 1;
step 3K, after receiving the message, the intelligent key terminal analyzes the message, if the message type field of the message is 0X04, the message sets a response message for the entrance guard state, the encrypted quantum key field and the quantum sequence number field are analyzed from the message, and the quantum sequence number field obtained by analysis is represented by N3; inquiring the minimum quantum serial number currently available for the intelligent key terminal, wherein the minimum quantum serial number is represented by N4; if N3< N4, it indicates that the acknowledgment message received by the key fob terminal is a late acknowledgment message, and the message can be directly discarded without performing subsequent processing; if N3= N4, perform step 3L;
3L, dividing 16L1 bits into 8L1 pairs in sequence by taking two bits as a unit according to the encrypted quantum key field data obtained by the intelligent key terminal analysis, wherein each pair comprises two bits; suppose that
Figure 467611DEST_PATH_IMAGE007
Performing step 3M for each pair of bits;
and 3M, if the value of the ith pair of bits is 00, performing corresponding unitary transformation on N4+ i-1 particles stored in a quantum storage space QS of the intelligent key terminal
Figure 734644DEST_PATH_IMAGE012
，
Figure 58178DEST_PATH_IMAGE013
(ii) a If the value of the N4+ i-1 th pair of bits is 01, a corresponding unitary transformation is performed on the N4+ i-1 th particle held in the quantum storage space QS of the key fob terminal
Figure 851691DEST_PATH_IMAGE014
，
Figure 845055DEST_PATH_IMAGE015
(ii) a If the value of the N4+ i-1 th pair of bits is 10, a corresponding unitary transformation is performed on the N4+ i-1 th particle held in the quantum storage space QS of the key fob terminal
Figure 726948DEST_PATH_IMAGE016
，
Figure 588593DEST_PATH_IMAGE017
(ii) a If it is firsti is 11, the corresponding unitary transformation is executed to the N4+ i-1 particle stored in the quantum storage space QS of the intelligent key terminal
Figure 111978DEST_PATH_IMAGE018
，
Figure 666457DEST_PATH_IMAGE019
(ii) a Deleting the (N4 + i-1) th particle in a quantum storage space QS of the intelligent key terminal;
step 3N, sequentially carrying out basis vector treatment on each particle after transformation
Figure 32716DEST_PATH_IMAGE003
And
Figure 307839DEST_PATH_IMAGE004
carrying out the measurement with the result of
Figure 55436DEST_PATH_IMAGE003
Indicating that the corresponding bit is 0; the result of the measurement is
Figure 515236DEST_PATH_IMAGE004
Indicates that the corresponding bit is 1; finally, quantum KEY KEY5 with the length of L1 bytes can be obtained;
step 3O, if the KEY5 is equal to the KEY1, the received quantum KEY is correct, and the intelligent KEY terminal successfully modifies the entrance guard state of the intelligent entrance guard terminal S; if the KEY5 is not equal to the KEY1, the received quantum KEY is incorrect, the message is directly discarded, and the access control state modification fails.
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