CN112381970A - Intelligent door lock control method and system based on Bluetooth and CTID - Google Patents
Intelligent door lock control method and system based on Bluetooth and CTID Download PDFInfo
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- CN112381970A CN112381970A CN202011229650.5A CN202011229650A CN112381970A CN 112381970 A CN112381970 A CN 112381970A CN 202011229650 A CN202011229650 A CN 202011229650A CN 112381970 A CN112381970 A CN 112381970A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME 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
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
Abstract
The invention relates to an intelligent door lock control method and system based on Bluetooth and CTID, wherein the method comprises the following steps: bluetooth matching, namely sending Bluetooth broadcast information through a door lock end, scanning the Bluetooth broadcast information of the door lock end through a mobile terminal, and establishing a data channel between the mobile terminal and the door lock end; data transmission, namely converting the CTID into a data stream through the mobile terminal, encrypting the data stream, and transmitting the encrypted data stream to a door lock end through a data channel; the identity authentication, the door lock terminal decrypts the encrypted data stream to obtain the identity information in the CTID, and the identity information locally stored by the door lock terminal is authenticated; and the door lock drives, and when the identity verification is successful, the door lock end drives the lock cylinder to unlock.
Description
Technical Field
The invention relates to an intelligent door lock control method and system based on Bluetooth and CTID, and belongs to the technical field of door locks and data transmission.
Background
Along with the entrance of the Internet of things and smart home into daily life of people, smart door locks gradually become smart devices with installation requirements for enterprises and common families, and can be opened in various ways such as fingerprints, passwords and remote device remote control, so that the problem that the traditional door lock cannot enter the door lock without forgetting to take a key is solved; however, the existing intelligent door lock does not have the function of identity recognition, the identity information of a door opener cannot be verified, and potential safety hazards exist;
the CTID (network certificate) is a network identity authentication certificate, is an electronic encryption file issued by a public security organization for promoting social administration and police service convenience and depends on the Internet and a credible identity authentication platform; the identification card of citizen and portrait are authenticated by CTID center (credible identity authentication platform) to generate unique BID value (individual unique identification) for identifying user identity. The prior art of verifying the identity of an unlocking person through a CTID (network card two-dimensional code) exists at present, for example, an intelligent lock system and an unlocking method which are disclosed with application number "201811253711.4" and adopt a CTID electronic identity card to unlock the lock, and the intelligent lock system and the unlocking method disclose that the identity information of the unlocking person is verified in a mode of scanning the CTID two-dimensional code through the intelligent door lock;
the above prior art has the following problems:
1. a code scanning module needs to be additionally arranged on the door lock, so that the volume and the cost of the door lock are greatly increased;
2. the CTID two-dimensional code needs to be presented for verification, the accuracy and time are needed for two-dimensional code identification, and the door opening time is greatly increased if code scanning fails;
3. the network certificate two-dimensional code is used as an image data carrier, carries more data information and is easy to steal or crack in the display process.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an intelligent door lock control method based on Bluetooth and CTID, which not only enables a user to obtain the function of identity authentication by using a network card two-dimensional code, but also prevents the true identity information of the user from being revealed, and can also complete the lock core driving function required in an electronic door lock.
The technical scheme of the invention is as follows:
the first technical scheme is as follows:
an intelligent door lock control method based on Bluetooth and CTID is characterized by comprising the following steps:
bluetooth matching, namely sending Bluetooth broadcast information through a door lock end, scanning the Bluetooth broadcast information of the door lock end through a mobile terminal, and establishing a data channel between the mobile terminal and the door lock end;
the method comprises the steps that a CTID is obtained, a CTID server is accessed through a mobile terminal, user data are uploaded, the CTID server carries out encryption processing on identity information in the user data, and then a two-dimensional code layout diagram of the CTID is generated according to the CTID code manufacturing specification and sent to the mobile terminal;
data transmission, the mobile terminal converts the two-dimensional code layout drawing of the CTID into a data stream, and the data stream is transmitted to a door lock end through a data channel;
the identity authentication, the door lock end decrypts the data stream to obtain the identity information in the CTID, and the identity information stored locally by the door lock end is authenticated;
and the door lock drives, and when the identity verification is successful, the door lock end drives the lock cylinder to unlock.
Further, the process that the CTID server encrypts the identity information in the user data, then generates a two-dimensional code layout diagram of the CTID according to the CTID code making specification, and sends the two-dimensional code layout diagram to the mobile terminal specifically includes:
encrypting data containing identity information in user data through an encryption algorithm;
carrying out digital signature on the whole user data;
and generating a two-dimensional code layout according to the code making specification of the CTID and the encrypted user data, and adding a watermark containing safety information in the two-dimensional code layout.
The further specific steps of decrypting the data stream by the door lock end are as follows:
restoring a two-dimensional code layout diagram of the CTID through a code making specification of the CTID and a data stream;
acquiring a watermark containing safety information through the restored two-dimensional code layout diagram of the CTID and verifying the validity of the watermark;
acquiring user data through the restored two-dimensional code layout drawing of the CTID, and verifying the digital signature of the user data;
and decrypting the encrypted data in the user data through an encryption algorithm to obtain the identity information.
The further step of transmitting the data stream to the door lock end through the data channel specifically comprises:
the data channel is a predefined uuid channel; presetting a maximum mtu value;
packing and packaging the data stream according to the size of the data stream and the size of mtu at the mobile terminal;
and performing point-to-point data transmission between the mobile terminal and the door lock end through the uuid channel according to a client/server mode.
The second technical scheme is as follows:
an intelligent lock control system based on bluetooth and CTID includes:
the mobile terminal is used for accessing the CTID server, uploading user data and receiving a two-dimensional code layout diagram of the CTID, wherein the two-dimensional code layout diagram of the CTID is generated according to CTID code making specification after the CTID server encrypts identity information in the user data, and the mobile terminal also converts the two-dimensional code layout diagram of the CTID into data flow;
set up in intelligent lock:
the Bluetooth communication module is used as a host to send out Bluetooth broadcast information, establishes a data channel with the mobile terminal and receives data streams;
the security module is used for decrypting;
the electronic lock cylinder is used for executing unlocking and unlocking actions;
the driving module is used for driving the electronic lock cylinder to act according to the input electric signal;
and the main control module is used for calling the security chip to decrypt the data stream, acquiring the identity information in the CTID, verifying the identity information with the locally stored identity information, and outputting an electric signal to control the action of the driving module according to a verification result.
Further, the process of generating the identity information in the user data according to the CTID system code specification after encrypting the identity information in the user data by the CTID server specifically includes:
encrypting data containing identity information in user data through an encryption algorithm;
carrying out digital signature on the whole user data;
and generating a two-dimensional code layout according to the code making specification of the CTID and the encrypted user data, and adding a watermark containing safety information in the two-dimensional code layout.
Further, the main control module further includes:
the data reduction module is used for carrying out data reduction according to the code making specification of the CTID and the data stream to obtain a two-dimensional code layout diagram of the CTID;
the watermark verification module is used for acquiring a watermark containing safety information through the restored two-dimensional code layout diagram of the CTID and verifying the validity of the watermark;
the security module specifically comprises:
the signature checking module is used for acquiring user data through the restored two-dimensional code layout drawing of the CTID and checking a digital signature of the user data;
and the decryption module is used for decrypting the encrypted data in the user data through an encryption algorithm to obtain the identity information.
Furthermore, the Bluetooth communication module is a Bluetooth low-power communication module of 4.2-5.0; the data channel is a predefined uuid channel; presetting a maximum mtu value;
the mobile terminal subpackages and packages the data stream according to the size of the data stream and the size of mtu;
and performing point-to-point data transmission between the mobile terminal and the door lock end through the uuid channel according to a client/server mode.
The invention has the following beneficial effects:
1. according to the intelligent door lock control method and system based on Bluetooth and CTID, the data channel is established between the intelligent door lock and the mobile terminal through the Bluetooth, the CTID two-dimensional code can be transmitted to the intelligent door lock under the condition of not displaying, the identity authentication function can be carried out, and the real identity information of a user can be prevented from being leaked.
2. According to the intelligent door lock control method and system based on Bluetooth and CTID, data can be input only according to interface specifications outside, corresponding keys are called to carry out encryption and decryption operation and digital signature verification, finally, results are obtained through output unlocking actions, and peeping, stealing and destruction cannot be carried out outside due to the keys and the national secret algorithm arranged inside.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention;
fig. 2 is a schematic block diagram of a system according to an embodiment of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
The first embodiment is as follows:
referring to fig. 1, an intelligent door lock control method based on bluetooth and CTID is characterized by comprising the following steps:
bluetooth matching, namely sending Bluetooth broadcast information through a door lock end, scanning the Bluetooth broadcast information of the door lock end through a mobile terminal, and establishing a data channel between the mobile terminal and the door lock end;
the method comprises the steps that CTID is obtained, a CTID server is accessed through a mobile terminal, user data are uploaded, the CTID server generates a BID value according to identity information (an identity card and face information) in the user data, the identity information and the BID value are encrypted through a state secret SM4 secret key, then a digital signature is carried out on the data whole containing the identity information and the BID value through a state secret SM2 secret key, and then a two-dimensional code layout diagram of the CTID is generated according to the CTID code rule and sent to the mobile terminal;
data transmission, namely converting a two-dimensional code layout drawing (ASCII code character text) of the CTID into byte array data stream by the mobile terminal, and transmitting the data stream to be transmitted to a door lock end through a data channel;
identity verification, namely after the door lock end receives byte array data stream, restoring the data stream into an ASCII code character text string, verifying and decrypting by calling a national secret key in a security chip arranged in the door lock end to obtain identity information and a BID value, and verifying the identity information and the BID value of a user capable of opening the door, which are stored in the door lock end body;
and the door lock drives, and when the identity verification is successful, the door lock end drives the lock cylinder to unlock.
Further, the process that the CTID server encrypts the identity information in the user data, then generates a two-dimensional code layout diagram of the CTID according to the CTID code making specification, and sends the two-dimensional code layout diagram to the mobile terminal specifically includes:
encrypting data containing identity information in user data through an encryption algorithm;
carrying out digital signature on the whole user data;
and generating a two-dimensional code layout according to the code making specification of the CTID and the encrypted user data, and adding a watermark containing safety information in the two-dimensional code layout.
The further specific steps of decrypting the data stream by the door lock end are as follows:
restoring a two-dimensional code layout diagram of the CTID through a code making specification of the CTID and a data stream;
acquiring a watermark containing safety information through the restored two-dimensional code layout diagram of the CTID and verifying the validity of the watermark;
acquiring user data through the restored two-dimensional code layout drawing of the CTID, and verifying the digital signature of the user data;
and decrypting the encrypted data in the user data through an encryption algorithm to obtain the identity information.
The further step of transmitting the data stream to the door lock end through the data channel specifically comprises:
the data channel is a predefined uuid channel; presetting a maximum mtu value;
packing and packaging the data stream according to the size of the data stream and the size of mtu at the mobile terminal;
and performing point-to-point data transmission between the mobile terminal and the door lock end through the uuid channel according to a client/server mode.
Example two:
referring to fig. 2, an intelligent door lock control system based on bluetooth and CTID includes:
the mobile terminal is used for accessing the CTID server, uploading user data and receiving a two-dimensional code layout diagram of the CTID, wherein the two-dimensional code layout diagram of the CTID is generated according to CTID code making specification after the CTID server encrypts identity information in the user data, and the mobile terminal also converts the two-dimensional code layout diagram of the CTID into data flow;
set up in intelligent lock:
the Bluetooth communication module is used as a host to send out Bluetooth broadcast information, establishes a data channel with the mobile terminal and receives data streams;
the security module is used for decrypting;
the electronic lock cylinder is used for executing unlocking and unlocking actions;
the driving module is used for driving the electronic lock cylinder to act according to the input electric signal;
and the main control module is used for calling the security chip to decrypt the data stream, acquiring the identity information in the CTID, verifying the identity information with the locally stored identity information, and outputting an electric signal to control the action of the driving module according to a verification result.
Further, the process of generating the identity information in the user data according to the CTID system code specification after encrypting the identity information in the user data by the CTID server specifically includes:
encrypting data containing identity information in user data through an encryption algorithm;
carrying out digital signature on the whole user data;
and generating a two-dimensional code layout according to the code making specification of the CTID and the encrypted user data, and adding a watermark containing safety information in the two-dimensional code layout.
Further, the main control module further includes:
the data reduction module is used for carrying out data reduction according to the code making specification of the CTID and the data stream to obtain a two-dimensional code layout diagram of the CTID;
the watermark verification module is used for acquiring a watermark containing safety information through the restored two-dimensional code layout diagram of the CTID and verifying the validity of the watermark;
the security module specifically comprises:
the signature checking module is used for acquiring user data through the restored two-dimensional code layout drawing of the CTID and checking a digital signature of the user data;
and the decryption module is used for decrypting the encrypted data in the user data through an encryption algorithm to obtain the identity information.
Furthermore, the Bluetooth communication module is a Bluetooth low-power communication module of 4.2-5.0; the data channel is a predefined uuid channel; presetting a maximum mtu value;
the mobile terminal subpackages and packages the data stream according to the size of the data stream and the size of mtu;
and performing point-to-point data transmission between the mobile terminal and the door lock end through the uuid channel according to a client/server mode.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. An intelligent door lock control method based on Bluetooth and CTID is characterized by comprising the following steps:
bluetooth matching, namely sending Bluetooth broadcast information through a door lock end, scanning the Bluetooth broadcast information of the door lock end through a mobile terminal, and establishing a data channel between the mobile terminal and the door lock end;
the method comprises the steps that a CTID is obtained, a CTID server is accessed through a mobile terminal, user data are uploaded, the CTID server carries out encryption processing on identity information in the user data, and then a two-dimensional code layout diagram of the CTID is generated according to the CTID code manufacturing specification and sent to the mobile terminal;
data transmission, the mobile terminal converts the two-dimensional code layout drawing of the CTID into a data stream, and the data stream is transmitted to a door lock end through a data channel;
the identity authentication, the door lock end decrypts the data stream to obtain the identity information in the CTID, and the identity information stored locally by the door lock end is authenticated;
and the door lock drives, and when the identity verification is successful, the door lock end drives the lock cylinder to unlock.
2. The intelligent door lock control method based on the Bluetooth and the CTID as claimed in claim 1, wherein the CTID server encrypts the identity information in the user data, and then generates a two-dimensional code layout diagram of the CTID according to the CTID code making specification and sends the two-dimensional code layout diagram to the mobile terminal specifically comprises the following steps:
encrypting data containing identity information in user data through an encryption algorithm;
carrying out digital signature on the whole user data;
and generating a two-dimensional code layout according to the code making specification of the CTID and the encrypted user data, and adding a watermark containing safety information in the two-dimensional code layout.
3. The intelligent door lock control method based on the Bluetooth and the CTID as claimed in claim 2, wherein the specific steps of decrypting the data stream by the door lock end are as follows:
restoring a two-dimensional code layout diagram of the CTID through a code making specification of the CTID and a data stream;
acquiring a watermark containing safety information through the restored two-dimensional code layout diagram of the CTID and verifying the validity of the watermark;
acquiring user data through the restored two-dimensional code layout drawing of the CTID, and verifying the digital signature of the user data;
and decrypting the encrypted data in the user data through an encryption algorithm to obtain the identity information.
4. The intelligent door lock control method based on the Bluetooth and the CTID as claimed in claim 1, wherein the step of transmitting the data stream to the door lock end through the data channel specifically comprises:
the data channel is a predefined uuid channel; presetting a maximum mtu value;
packing and packaging the data stream according to the size of the data stream and the size of mtu at the mobile terminal;
and performing point-to-point data transmission between the mobile terminal and the door lock end through the uuid channel according to a client/server mode.
5. The utility model provides an intelligence lock control system based on bluetooth and CTID which characterized in that includes:
the mobile terminal is used for accessing the CTID server, uploading user data and receiving a two-dimensional code layout diagram of the CTID, wherein the two-dimensional code layout diagram of the CTID is generated according to CTID code making specification after the CTID server encrypts identity information in the user data, and the mobile terminal also converts the two-dimensional code layout diagram of the CTID into data flow;
set up in intelligent lock:
the Bluetooth communication module is used as a host to send out Bluetooth broadcast information, establishes a data channel with the mobile terminal and receives data streams;
the security module is used for decrypting;
the electronic lock cylinder is used for executing unlocking and unlocking actions;
the driving module is used for driving the electronic lock cylinder to act according to the input electric signal;
and the main control module is used for calling the security chip to decrypt the data stream, acquiring the identity information in the CTID, verifying the identity information with the locally stored identity information, and outputting an electric signal to control the action of the driving module according to a verification result.
6. The intelligent door lock control system based on bluetooth and CTID as claimed in claim 5, wherein the CTID server encrypts the identity information in the user data and then generates the encrypted identity information according to the CTID code specification, and the process specifically includes:
encrypting data containing identity information in user data through an encryption algorithm;
carrying out digital signature on the whole user data;
and generating a two-dimensional code layout according to the code making specification of the CTID and the encrypted user data, and adding a watermark containing safety information in the two-dimensional code layout.
7. The intelligent door lock control system based on bluetooth and CTID as claimed in claim 6, wherein the main control module further comprises:
the data reduction module is used for carrying out data reduction according to the code making specification of the CTID and the data stream to obtain a two-dimensional code layout diagram of the CTID;
the watermark verification module is used for acquiring a watermark containing safety information through the restored two-dimensional code layout diagram of the CTID and verifying the validity of the watermark;
the security module specifically comprises:
the signature checking module is used for acquiring user data through the restored two-dimensional code layout drawing of the CTID and checking a digital signature of the user data;
and the decryption module is used for decrypting the encrypted data in the user data through an encryption algorithm to obtain the identity information.
8. The intelligent door lock control system based on Bluetooth and CTID as claimed in claim 5, wherein:
the Bluetooth communication module is a Bluetooth low-power communication module of 4.2-5.0; the data channel is a predefined uuid channel; presetting a maximum mtu value;
the mobile terminal subpackages and packages the data stream according to the size of the data stream and the size of mtu;
and performing point-to-point data transmission between the mobile terminal and the door lock end through the uuid channel according to a client/server mode.
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Application publication date: 20210219 |