CN110601827B

CN110601827B - Block chain-based identity recognition method, device and system and storage medium

Info

Publication number: CN110601827B
Application number: CN201910863863.4A
Authority: CN
Inventors: 王强
Original assignee: Tencent Technology Shenzhen Co Ltd
Current assignee: Tencent Technology Shenzhen Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2022-09-02
Anticipated expiration: 2039-09-12
Also published as: CN110601827A

Abstract

The application discloses an information identification method, device and system based on a block chain and a storage medium, and belongs to the technical field of networks. The method comprises the following steps: the wearable device unlocks the wearable device according to the characteristics of the object to be recognized, obtains signature information of the object to be recognized according to the private key signature of the object to be recognized, and sends the identification information of the object to be recognized to the first block chain node, wherein the identification information comprises the identification of the object to be recognized and the signature information of the object to be recognized, the first block chain node inquires the public key of the object to be recognized on the block chain platform according to the identification of the object to be recognized, and the signature verification is carried out on the signature information according to the public key of the object to be recognized so as to carry out information recognition on the object to be recognized. The method and the device for identifying the information help to improve the efficiency of information identification, and enrich the information identification mode.

Description

Block chain-based identity recognition method, device and system and storage medium

Technical Field

The present application relates to the field of network technologies, and in particular, to an identity identification method, apparatus, and system based on a block chain, and a storage medium.

Background

With the development of information technology, people often need to identify identities in work and life. For example, when a user opens an account, performs credit investigation and visits a doctor in a bank, the user needs to present an identity card to a relevant organization, and the relevant organization performs identity recognition on the user according to the identity card and then handles business for the user.

Taking a doctor as an example, when a patient is in a doctor, the patient needs to show an identity card to a doctor, and after the doctor asks for a doctor and makes a prescription, the identity card number and the prescription information of the patient are uploaded to a server in the hospital. Then, when a patient goes to a fixed-point pharmacy of the hospital to take medicine, the patient can be shown an identity card to staff of the fixed-point pharmacy, after the staff inputs the identity card number of the patient into the terminal, the terminal sends the identity card number to a server of the hospital, after the server identifies the identity of the patient according to the identity card number, the server sends prescription information of the patient to the terminal, the prescription information is provided for the staff by the terminal, and the staff takes medicine for the patient according to the prescription information.

However, the above-mentioned identification method is single, and the efficiency of identification is low.

Disclosure of Invention

The embodiment of the application provides an identity identification method, device and system based on a block chain and a storage medium. The technical scheme is as follows:

in one aspect, an identity recognition method based on a block chain is provided, and the method includes:

receiving identity identification information of a user to be identified, which is sent by a wearable device, wherein the identity identification information comprises a user identifier of the user to be identified and signature information of the user to be identified, and the signature information is obtained by the wearable device according to a private key signature of the user to be identified after the wearable device unlocks the wearable device according to biological characteristics of the user to be identified;

inquiring a public key of the user to be identified on a block chain platform according to the user identification of the user to be identified, wherein the public key of the user to be identified is stored to a first block chain node arranged on the block chain platform in an uplink manner before the identification information of the user to be identified is received, and is broadcasted to a plurality of block chain nodes on the block chain platform synchronously by the first block chain node, and the first block chain node is any one of the plurality of block chain nodes;

and checking the signature of the signature information according to the public key of the user to be identified so as to identify the identity of the user to be identified.

In another aspect, an identity recognition method based on a block chain is provided, where the method includes:

receiving identity identification information of a user to be identified, which is sent by a first blockchain node arranged on a blockchain platform, wherein the identity identification information comprises a user identifier of the user to be identified and signature information of the user to be identified, and the signature information is obtained by a wearable device according to a private key signature of the user to be identified after the wearable device is unlocked according to a biological characteristic of the user to be identified;

inquiring a public key of the user to be identified on the blockchain platform according to the user identification of the user to be identified, wherein the public key of the user to be identified is stored in the first blockchain node in an uplink manner before the identification information of the user to be identified is received, and is broadcasted and synchronized to a plurality of blockchain nodes on the blockchain platform by the first blockchain node;

Optionally, after verifying the signature information according to the public key of the user to be identified, the method further includes:

receiving a data acquisition request sent by the first blockchain node, wherein the data acquisition request comprises a user identifier of the user to be identified;

inquiring target service data of the user to be identified at the link point of the second block according to the user identification of the user to be identified;

and feeding back the target service data to the first block link point.

Optionally, the target business data includes medical record data, and the institution includes a medical institution.

Optionally, the identification information includes at least one of a two-dimensional code or a bar code.

acquiring biological characteristics of a user to be identified;

unlocking the wearable equipment according to the biological characteristics of the user to be identified;

acquiring a user identifier of the user to be identified and a private key of the user to be identified from the wearable device;

signing according to the private key of the user to be identified to obtain signature information of the user to be identified;

the method comprises the steps of sending identification information of a user to be identified to a first block chain node arranged on a block chain platform, wherein the identification information comprises a user identification of the user to be identified and signature information, so that the first block chain node inquires a public key of the user to be identified on the block chain platform according to the user identification of the user to be identified, checking and signing the signature information according to the public key of the user to be identified, identifying the user to be identified, and before the wearable device is unlocked, the public key of the user to be identified is stored in the first block chain node and is broadcasted synchronously to a plurality of block chain nodes on the block chain platform.

Optionally, before unlocking the wearable device, the method further comprises:

collecting the biological characteristics of the user to be identified;

and storing the biological characteristics of the user to be identified.

Optionally, the biometric characteristic comprises at least one of a fingerprint characteristic, a face characteristic, or an iris characteristic.

In yet another aspect, an identity recognition system based on a block chain is provided, the system including: a wearable device and a blockchain platform,

the wearable device is used for unlocking the wearable device according to biological characteristics of a user to be identified, signing according to a private key of the user to be identified to obtain signature information of the user to be identified, and sending identity identification information of the user to be identified to a first block chain node arranged on the block chain platform, wherein the identity identification information comprises a user identification of the user to be identified and the signature information of the user to be identified, and the first block chain node is any block chain node on the block chain platform;

the first block chain node is configured to query the public key of the user to be identified on the block chain platform according to the user identifier of the user to be identified, perform signature verification on the signature information according to the public key of the user to be identified, and perform identity identification on the user to be identified, where the public key of the user to be identified is stored in the first block chain node by uplink before the first block chain node receives the identity identification information of the user to be identified, and is broadcast by the first block chain node and synchronized to the plurality of block chain nodes on the block chain platform.

Optionally, the first blockchain node is further configured to send the identification information to a second blockchain node arranged on the blockchain platform, where the first blockchain node and the second blockchain node are blockchain nodes of different mechanisms;

and the second block chain node is used for inquiring the public key of the user to be identified on the block chain platform according to the user identification of the user to be identified, and checking the signature of the signature information according to the public key of the user to be identified so as to identify the identity of the user to be identified.

Optionally, the first block chain node is further configured to send a data acquisition request to the second block chain node, where the data acquisition request includes a user identifier of the user to be identified;

the second block chain node is further configured to, after performing identity recognition on the user to be recognized, query target service data of the user to be recognized on the second block chain node according to the user identifier of the user to be recognized, and feed back the target service data to the first block chain node;

the first block link node is further configured to receive the target service data fed back by the second block link node.

Optionally, the system further comprises: a target terminal bound with the wearable device,

the target terminal is used for sending a registration request to the first block link node;

the first block chain node is further configured to generate a user identifier and an asymmetric key of the user to be identified according to the registration request, where the asymmetric key includes a set of public key and private key;

the first block chain node is further configured to send the user identifier of the user to be identified and the private key of the user to be identified to the wearable device, and broadcast and synchronize the user identifier of the user to be identified and the public key of the user to be identified to the plurality of block chain nodes on the block chain platform.

Optionally, the wearable device is further configured to:

acquiring the biological characteristics of the user to be identified;

and acquiring the user identification of the user to be identified and the private key of the user to be identified from the wearable device.

Optionally, the wearable device is further configured to:

collecting the biological characteristics of the user to be identified;

and storing the biological characteristics of the user to be identified.

Optionally, the biometric feature comprises at least one of a fingerprint feature, a face feature, or an iris feature.

In yet another aspect, an apparatus for blockchain-based identity recognition is provided, which includes various modules for performing the methods of the above aspects to the still another aspects.

In yet another aspect, an apparatus for blockchain based identity recognition is provided, the apparatus including a processor and a memory, the memory storing at least one instruction, at least one program, a set of codes, or a set of instructions, the at least one instruction, the at least one program, the set of codes, or the set of instructions being loaded and executed by the processor to implement the method according to the above aspect to the still another aspect.

In a further aspect, there is provided a storage medium having stored therein at least one instruction, at least one program, set of codes, or set of instructions, which is loaded and executed by the processor to implement the method of one aspect to another aspect.

The beneficial effects that technical scheme that this application embodiment provided brought include:

according to the identity recognition method, the identity recognition device, the identity recognition system and the storage medium based on the block chain, after the wearable device is unlocked according to the biological characteristics of the user to be recognized, the signature information of the user to be recognized is obtained according to the private key signature of the user to be recognized, the identity recognition information of the user to be recognized is sent to the first block chain node, the identity recognition information comprises the user identification of the user to be recognized and the signature information of the user to be recognized, the public key of the user to be recognized is inquired on the block chain platform by the first block chain node according to the user identification of the user to be recognized, and the signature is verified according to the public key of the user to be recognized so as to identify the user to be recognized. The embodiment of the application combines wearing equipment and the block chain platform to carry out identity recognition, so that the identity recognition efficiency is improved, and the identity recognition mode is enriched.

Drawings

FIG. 1 is a schematic illustration of an implementation environment to which various embodiments of the present application relate;

fig. 2 is a flowchart of a method for identifying an identity based on a blockchain according to an embodiment of the present disclosure;

fig. 3 is a flowchart of another method for identifying an identity based on a blockchain according to an embodiment of the present disclosure;

fig. 4 is a flowchart of a method of a block chain-based identity recognition method according to an embodiment of the present application;

fig. 5 is a flowchart of a method for identifying an identity based on a blockchain according to an embodiment of the present disclosure;

fig. 6 is a flowchart of a method for identifying an identity based on a block chain according to another embodiment of the present disclosure;

fig. 7 is a block diagram of an identity recognition apparatus based on a block chain according to an embodiment of the present application;

fig. 8 is a block diagram of another block chain-based identity recognition apparatus according to an embodiment of the present application;

fig. 9 is a block diagram of another identity recognition apparatus based on a block chain according to an embodiment of the present application;

fig. 10 is a schematic diagram of an identification apparatus based on a block chain according to an embodiment of the present application;

fig. 11 is a schematic diagram of an identity recognition system based on a blockchain according to an embodiment of the present disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

For convenience of understanding, before the technical solutions of the embodiments of the present application are explained, terms related to the embodiments of the present application are explained:

a block chain platform: is a communication network formed by a plurality of electronic devices, and the electronic devices forming the blockchain platform are called blockchain nodes. The block chain platform comprises at least two block chain nodes, and the at least two block chain nodes synchronize information through a wired network or a wireless network.

A alliance chain, also known as a consensus Block chain (Consortium Block chains), refers to a Block chain whose consensus process is controlled by preselected Block chain nodes. In the alliance chain, all or part of functions are opened only for the members of the block chain link points in the chain, and each block chain link point in the alliance chain can customize read-write permission, query permission and the like based on requirements.

Intelligent contract: the contract program automatically executed according to the specific conditions is an important way for a user to interact with the block chain platform and realize the business logic by utilizing the block chain platform.

Asymmetric key: the Public Key refers to a Public Key, does not need to be kept secret, and can be acquired by a decryptor through various channels; the private key is a key held only by the encryption party itself and needs to be kept secret. One public key corresponds to one private key; the public key and the private key together constitute an asymmetric encryption mode. The asymmetric encryption mode means that the information encrypted by the public key can only be decrypted by the corresponding private key, and the information encrypted by the private key can only be decrypted by the corresponding public key. That is, the keys used for encryption and decryption are not the same.

Referring to FIG. 1, a schematic diagram of an implementation environment is shown in which various embodiments of the present application are implemented. As shown in fig. 1, the implementation environment includes a blockchain platform 100, a wearable device 200, and a terminal 300, where the wearable device 200 and the terminal 300 are respectively in communication connection with the blockchain platform 100 through a wired network or a wireless network, the wearable device 200 is bound with the terminal 300, and the wearable device 200 and the terminal 300 are devices of the same user, for example, both the wearable device 200 and the terminal 300 are devices of a user 400 to be identified shown in fig. 1. The Wireless connection may include, but is not limited to, a Wireless Fidelity (WIFI) connection, a data connection, a bluetooth connection, an infrared connection, or the like, and the wired connection may include, but is not limited to, a Universal Serial Bus (USB) connection.

The wearable device 200 may be an intelligent bracelet, an intelligent watch, an intelligent helmet, an intelligent glasses, or the like, and the terminal 300 may be a smart phone, a tablet computer, a notebook computer, a desktop computer, or a motion Picture Experts Group Audio Layer IV (MP 4) player, or the like. As shown in fig. 1, the wearable device 200 may be a smart band, and the terminal 300 is a smart phone.

Blockchain platform 100 may be a federation chain platform including a plurality of blockchain nodes, each blockchain node may be an electronic device, which may be a smartphone, tablet, laptop, desktop, MP4 player, server, or the like. As shown in fig. 1, the blockchain platform 100 includes a plurality of

blockchain nodes

101, 102, 103, 104, 105, and 106, and the plurality of

blockchain nodes

101, 102, 103, 104, 105, and 106 are communicatively connected via a wired network or a wireless network and perform information synchronization. When any of the blockchain nodes receives the information, the information may be broadcast to all blockchain nodes in the entire blockchain platform 100 (i.e., broadcast to the blockchain platform) so that other blockchain nodes in the blockchain platform 100 may receive and store the information, i.e., so that all blockchain nodes included in the blockchain platform 100 may store the information. Each blockchain node in the blockchain platform 100 has a node identifier, and each blockchain node in the blockchain platform 100 can store the node identifiers of other blockchain nodes in the blockchain platform 100, so as to perform information synchronization according to the node identifiers of other blockchain nodes.

The blockchain platform 100 may be a decentralized network platform, i.e., information may be stored by the blockchain platform 100 through decentralized technology. Decentralization refers to: there is no concept of a central node in the blockchain platform 100, the positions of the blockchain nodes in the blockchain platform 100 are equal, and each blockchain node may store the same information.

In an embodiment of the present application, the plurality of blockchain nodes on blockchain platform 100 may be blockchain nodes of different institutions, which may include different medical institutions, which may be at least one of hospitals or drug stores. Alternatively, the present embodiment exemplifies that the blockchain node on the blockchain platform 100 includes a first blockchain node and a second blockchain node, the first blockchain node may be any blockchain node on the blockchain platform 100, the second blockchain node may be any blockchain node on the blockchain platform 100 except the first blockchain node, and the first blockchain node and the second blockchain node are blockchain nodes of different mechanisms, for example, the first blockchain node may be a blockchain node 101, and the second blockchain node may be a blockchain node 102.

In this embodiment of the application, the wearable device 200 may store a private key of the user 400 to be identified, when the user 400 to be identified needs to perform identity identification, the wearable device 200 may obtain a biological feature of the user 400 to be identified, unlock the wearable device 200 according to the biological feature of the user 400 to be identified, obtain the private key of the user 400 to be identified from the wearable device 200, perform signature according to the private key of the user 400 to be identified to obtain signature information of the user 400 to be identified, generate identity identification information of the user 400 to be identified according to the user identifier of the user 400 to be identified and the signature information of the user 400 to be identified, and send the identity identification information to the first block chain node 101, where the identity identification information includes the user identifier of the user 400 to be identified and the signature information of the user 400 to be identified, the first block chain node 101 may receive the identity identification information, query the public key of the user 400 to be identified on the block chain platform 100 according to the user identifier of the user 400 to be identified, and the signature verification is performed on the signature information of the user 400 to be recognized according to the public key of the user 400 to be recognized, so as to perform identity recognition on the user 400 to be recognized. The identification information may include at least one of a two-dimensional code or a bar code, and the biometric feature may include at least one of a fingerprint feature, a human face feature, or an iris feature.

Optionally, before the wearable device 200 sends the identification information of the user 400 to be identified to the first blockchain node 101, the user 400 to be identified may trigger the terminal 300 to send a registration request to the first blockchain node 101 to register on the first blockchain node 101, the first blockchain node 101 may receive the registration request, generate a user identifier and an asymmetric key for the user 400 to be identified according to the registration request, the asymmetric key may include a public key and a private key, and then the first blockchain node 101 may send the user identifier of the user 400 to be identified and the private key of the user 400 to be identified to the wearable device 200 to be stored by the wearable device 200, and the first blockchain node 101 may broadcast and synchronize the user identifier of the user 400 to be identified and the public key of the user 400 to be identified to a plurality of blockchain nodes of the blockchain platform 100.

Optionally, when the first blockchain node 101 needs to acquire the target service data of the user 400 to be identified from the second blockchain node 102, the first blockchain node 101 may send the identification information of the user 400 to be identified to the second blockchain node 102, and after the second blockchain node 102 may receive the identification information, the public key of the user 400 to be identified is queried on the blockchain platform 100 according to the user identifier of the user 400 to be identified, and the signature of the signature information of the user 400 to be identified is checked according to the public key of the user 400 to be identified, so as to identify the user 400 to be identified. After the second blockchain node 102 successfully identifies the to-be-identified user 400, the first blockchain node 101 may send, to the second blockchain node 102, a data acquisition request for acquiring target service data of the to-be-identified user 400, where the data acquisition request may include a user identifier of the to-be-identified user 400, after the second blockchain node 102 may receive the data acquisition request, the second blockchain node 102 may query, according to the user identifier of the to-be-identified user 400, the target service data of the to-be-identified user 400 on the second blockchain node 102, and feed the target service data back to the first blockchain node 101, and the first blockchain node 101 may receive and store the target service data. In a medical scene, the user 400 to be identified may be a patient, the first blockchain node 101 and the second blockchain node 102 may be blockchain nodes of different hospitals, and the target service data may include medical record data.

Referring to fig. 2, a flowchart of a method for identifying an identity based on a blockchain according to an embodiment of the present application is shown, where the method may be used for a first blockchain node, and the first blockchain node may be any one of the blockchain nodes in the implementation environment shown in fig. 1. Referring to fig. 2, the method may include the steps of:

step 201, receiving identity identification information of a user to be identified, which is sent by a wearable device, wherein the identity identification information includes a user identifier of the user to be identified and signature information of the user to be identified, and the signature information is obtained by the wearable device according to a private key signature of the user to be identified after the wearable device unlocks the wearable device according to a biological characteristic of the user to be identified.

Step 202, inquiring the public key of the user to be identified on the block chain platform according to the user identifier of the user to be identified.

The public key of the user to be identified is linked up and stored in the first blockchain node before the first blockchain node receives the identification information of the user to be identified, and is broadcasted by the first blockchain node to be synchronized to a plurality of blockchain nodes on a blockchain platform.

And 203, checking the signature of the signature information of the user to be identified according to the public key of the user to be identified so as to identify the identity of the user to be identified.

To sum up, according to the identity recognition method based on the block chain provided in the embodiment of the present application, after the wearable device is unlocked according to the biological characteristics of the user to be recognized, the signature information of the user to be recognized is obtained according to the private key signature of the user to be recognized, and the identity recognition information of the user to be recognized is sent to the first block chain node, where the identity recognition information includes the user identifier of the user to be recognized and the signature information of the user to be recognized, the first block chain node queries the public key of the user to be recognized on the block chain platform according to the user identifier of the user to be recognized, and performs signature verification on the signature information according to the public key of the user to be recognized, so as to perform identity recognition on the user to be recognized. The embodiment of the application combines wearing equipment and the block chain platform to carry out identity recognition, so that the identity recognition efficiency is improved, and the identity recognition mode is enriched.

Referring to fig. 3, a flowchart of another method for identifying an identity based on a blockchain according to an embodiment of the present application is shown, where the method may be used for a second blockchain node, where the second blockchain node may be any blockchain node except a first blockchain node in the implementation environment shown in fig. 1, and the second blockchain node and the first blockchain node are blockchain nodes of different mechanisms. Referring to fig. 3, the method may include the steps of:

step 301, receiving identity identification information of a user to be identified, which is sent by a first block chain node, wherein the identity identification information includes a user identifier of the user to be identified and signature information of the user to be identified, and the signature information is obtained by a wearable device according to a private key signature of the user to be identified after the wearable device unlocks the wearable device according to a biological characteristic of the user to be identified.

Step 302, inquiring the public key of the user to be identified on the block chain platform according to the user identification of the user to be identified.

The public key of the user to be identified is linked up and stored in the first blockchain node before the identification information of the user to be identified is received, and is broadcast by the first blockchain node and synchronized to a plurality of blockchain nodes on the blockchain platform.

And 303, checking the signature of the signature information of the user to be identified according to the public key of the user to be identified so as to identify the identity of the user to be identified.

To sum up, in the identity recognition method based on the block chain provided in the embodiment of the present application, after the wearable device is unlocked according to the biological feature of the user to be recognized, the signature information of the user to be recognized is obtained according to the private key signature of the user to be recognized, and the identity recognition information of the user to be recognized is sent to the first block chain node, where the identity recognition information includes the user identifier of the user to be recognized and the signature information of the user to be recognized, the first block chain node receives the identity recognition information and sends the identity recognition information to the second block chain node, and the second block chain node queries the public key of the user to be recognized on the block chain platform according to the user identifier of the user to be recognized, and verifies and signs the signature information of the user to be recognized according to the public key of the user to be recognized, so as to identify the user. The embodiment of the application combines wearing equipment and the block chain platform to carry out identity recognition, so that the identity recognition efficiency is improved, and the identity recognition mode is enriched.

Referring to fig. 4, a flowchart of another method for identifying an identity based on a blockchain according to an embodiment of the present application is shown, where the method can be used for a wearable device in the implementation environment shown in fig. 1. Referring to fig. 4, the method may include the steps of:

step 401, obtaining the biological characteristics of the user to be identified.

And step 402, unlocking the wearable device according to the biological characteristics of the user to be identified.

And step 403, acquiring the user identification of the user to be identified and the private key of the user to be identified from the wearable device.

And step 404, signing according to the private key of the user to be identified to obtain the signature information of the user to be identified.

Step 405, identity identification information of the user to be identified is sent to a first blockchain node arranged on the blockchain platform, wherein the identity identification information includes a user identifier of the user to be identified and signature information of the user to be identified.

After receiving the identity identification information, the first block chain node can query the public key of the user to be identified on the block chain platform according to the user identification of the user to be identified, and check the signature of the signature information of the user to be identified according to the public key of the user to be identified so as to identify the identity of the user to be identified.

To sum up, in the identity recognition method based on the block chain provided in the embodiment of the application, the wearable device obtains the user identifier of the user to be recognized and the private key of the user to be recognized after unlocking the wearable device according to the biological characteristics of the user to be recognized, obtains the signature information of the user to be recognized according to the private key signature of the user to be recognized, and sends the identity recognition information of the user to be recognized to the first block chain node arranged in the block chain platform, where the identity recognition information includes the user identifier of the user to be recognized and the signature information of the user to be recognized, the first block chain node can query the public key of the user to be recognized on the block chain platform according to the user identifier of the user to be recognized, and performs signature verification on the signature information of the user to be recognized according to the public key of the user to be recognized, so as to perform identity recognition on the user to be recognized. The embodiment of the application combines wearing equipment and the block chain platform to carry out identity recognition, so that the identity recognition efficiency is improved, and the identity recognition mode is enriched.

Referring to fig. 5, a flowchart of a method for identifying an identity based on a blockchain according to an embodiment of the present application is shown, where the method may be applied to the implementation environment shown in fig. 1, and referring to fig. 5, the method may include the following steps:

step 501, the wearable device obtains the biological characteristics of the user to be identified.

Wherein the biological characteristics comprise at least one of fingerprint characteristics, human face characteristics or iris characteristics.

The wearable device can have a feature acquisition function, and the wearable device can acquire the biological features of the user to be identified so as to acquire the biological features of the user to be identified.

Step 502, the wearable device unlocks the wearable device according to the biological characteristics of the user to be identified.

Optionally, the wearable device may detect whether the wearable device stores the biological feature of the user to be identified, and when the wearable device stores the biological feature of the user to be identified, the wearable device unlocks the wearable device.

Step 503, the wearable device obtains the user identifier of the user to be identified and the private key of the user to be identified from the wearable device.

Optionally, the wearable device may store a correspondence between the biometric characteristic, the user identifier, and the private key, and after the wearable device unlocks the wearable device, the correspondence may be queried according to the biometric characteristic of the user to be identified, so as to obtain the user identifier of the user to be identified and the private key of the user to be identified, and obtain the user identifier of the user to be identified and the private key of the user to be identified.

And step 504, the wearable device signs according to the private key of the user to be identified to obtain the signature information of the user to be identified.

Optionally, the wearable device may sign the user identifier of the user to be identified according to the private key of the user to be identified to obtain signature information of the user to be identified, which is easy to understand, and the signature information may include the encrypted user identifier of the user to be identified.

Step 505, the wearable device sends identity identification information of the user to be identified to a first blockchain node arranged on the blockchain platform, wherein the identity identification information includes a user identifier of the user to be identified and signature information of the user to be identified.

Optionally, the wearable device may generate identification information of the user to be identified according to the user identifier of the user to be identified and the signature information of the user to be identified, and send the identification information to the first blockchain node.

Optionally, the wearable device may send the identification information to the first patch link node through a communication connection with the first patch link node.

Step 506, the first block chain link point queries the public key of the user to be identified on the block chain platform according to the user identifier of the user to be identified.

Optionally, the corresponding relationship between the user identifier and the public key may be stored in the block chain platform, and the first block chain link point may query the public key of the user to be identified in the corresponding relationship between the user identifier and the public key according to the user identifier of the user to be identified.

And 507, the first block link point checks the signature of the signature information of the user to be identified according to the public key of the user to be identified so as to identify the identity of the user to be identified.

Optionally, the signature information of the user to be identified may be obtained by the wearable device signing the user identifier of the user to be identified by using a private key of the user to be identified, the first block link point may decrypt the signature information of the user to be identified by using a public key of the user to be identified to obtain decryption information, compare the decryption information with the user identifier of the user to be identified, and when the decryption information is the same as the user identifier of the user to be identified, the first block link point determines that the identity verification of the user to be identified is successful.

In summary, according to the identity recognition method based on the block chain provided in the embodiment of the present application, after unlocking a wearable device according to a biological feature of a user to be recognized, a user identifier of the user to be recognized and a private key of the user to be recognized are obtained by the wearable device, signature information of the user to be recognized is obtained according to a private key signature of the user to be recognized, and the identity recognition information of the user to be recognized is sent to a first block chain node arranged in a block chain platform, where the identity recognition information includes the user identifier of the user to be recognized and signature information of the user to be recognized, and the first block chain node may query the public key of the user to be recognized on the block chain platform according to the user identifier of the user to be recognized, and check the signature of the signature information of the user to be recognized according to the public key of the user to be recognized, so as to perform identity recognition on the user to be recognized. The embodiment of the application combines wearing equipment and the block chain platform to carry out identity recognition, so that the identity recognition efficiency is improved, and the identity recognition mode is enriched.

Referring to fig. 6, which shows a flowchart of a method for identifying an identity based on a blockchain according to an embodiment of the present application, where the method may be applied to the implementation environment shown in fig. 1, and referring to fig. 6, the method may include the following steps:

step 601, the target terminal sends a registration request to a first block chain link point arranged on the block chain platform.

The target terminal may be a terminal of a user to be identified.

Alternatively, the target terminal may generate a registration request and then send the registration request to the first block-node over a communication connection with the first block-node. The target terminal can run an application program for identity recognition, and a user to be recognized can trigger the target terminal to send a registration request to the first block link point through the application program on the target terminal.

Step 602, the first block link point generates a user identifier and an asymmetric key of the user to be identified according to the registration request, wherein the asymmetric key comprises a group of public keys and private keys.

The first block link point may receive a registration request sent by a target terminal, and generate a user identifier and an asymmetric key for a user to be identified according to the registration request, where the user identifier may be a user account, and the asymmetric key may include a set of paired private key and public key.

Optionally, after the first blockchain node generates the user identifier and the asymmetric key for the user to be identified, registration confirmation information may be sent to the target terminal, and after receiving the registration confirmation information, the target terminal may confirm that the registration is successful.

Step 603, the first block chain node sends the user identification of the user to be identified and the private key of the user to be identified to the wearable device bound with the target terminal.

After the user identifier and the asymmetric key of the user to be identified are generated by the first block link point, the user identifier of the user to be identified and the private key of the user to be identified can be sent to the wearable device bound with the target terminal, so that the wearable device can store the user identifier and the asymmetric key. Optionally, the first block link point may send the user identifier of the user to be identified and the private key of the user to be identified to the wearable device through communication connection with the wearable device.

Step 604, the first blockchain node synchronizes the user identifier of the user to be identified and the public key broadcast of the user to be identified to a plurality of blockchain nodes on the blockchain platform.

After generating the user identifier and the asymmetric key of the user to be identified, the first blockchain node may send the user identifier of the user to be identified and the public key of the user to be identified to each blockchain node on the blockchain platform, so that each blockchain node in the blockchain platform can store the user identifier of the user to be identified and the public key of the user to be identified, and the user identifier of the user to be identified and the public key of the user to be identified are broadcast and synchronized to the plurality of blockchain nodes on the blockchain platform.

In this embodiment of the application, a first block link point may send a user identifier of a user to be identified and a public key of the user to be identified to other block link nodes except the first block link point in a block link platform, after any block link point receives the user identifier of the user to be identified and the public key of the user to be identified, a consensus algorithm may be performed on the user identifier of the user to be identified and the public key of the user to be identified, and broadcast and synchronize to the block link platform again, and the consensus is continuously performed until the user identifier of the user to be identified and the public key of the user to be identified, which are stored in each block link point, are consistent.

Step 605, the wearable device obtains the biometric features of the user to be identified.

The biometric features may include at least one of fingerprint features, face features, or iris features.

And 606, unlocking the wearable device by the wearable device according to the biological characteristics of the user to be identified.

Wearing equipment can detect whether wearing equipment has stored the biological characteristics of the user of treating discernment, and when wearing equipment storage had this biological characteristics of the user of treating discernment, wearing equipment unblock wearing equipment.

Optionally, the wearable device may store biological features of different users, the wearable device may compare the biological features of the user to be identified with the stored biological features of the wearable device, and when the biological features stored in the wearable device are the same as the biological features of the user to be identified, the wearable device determines that the wearable device stores the biological features of the user to be identified, otherwise, the wearable device determines that the wearable device does not store the biological features of the user to be identified.

As will be readily understood by those skilled in the art, the wearable device may perform biometric registration on the wearable device by the user to be identified before unlocking the wearable device according to the biometric characteristic of the user to be identified. Optionally, the wearable device may collect and store the biometric features of the user to be identified, so as to complete the biometric registration of the user to be identified.

Step 607, the wearable device obtains the user identifier of the user to be identified and the private key of the user to be identified.

The wearable device can store the user identification of the user to be identified and the private key of the user to be identified, and after unlocking, the wearable device can obtain the user identification of the user to be identified and the private key of the user to be identified.

Optionally, the wearable device may store a correspondence between the biometric characteristic, the user identifier, and the private key, and after unlocking, the wearable device may query the correspondence according to the biometric characteristic of the user to be identified, obtain the user identifier of the user to be identified and the private key of the user to be identified, and obtain the user identifier of the user to be identified and the private key of the user to be identified.

And 608, the wearable device signs according to the private key of the user to be identified to obtain the signature information of the user to be identified.

The technical personnel in the field can easily understand that the information obtained according to the private key signature can only be verified according to the corresponding public key, and the signature information of the user to be recognized is obtained by the wearable device through signing the user identification of the user to be recognized according to the private key of the user to be recognized, so that the signature information of the user to be recognized can only be verified according to the public key of the user to be recognized, and the information security can be ensured.

Step 609, the wearable device sends the identification information of the user to be identified to the first block chain node, where the identification information includes the user identifier of the user to be identified and the signature information of the user to be identified.

After the wearable device obtains the signature information, the identity recognition information of the user to be recognized can be generated according to the user identification of the user to be recognized and the signature information of the user to be recognized, and the identity recognition information is sent to the first block chain node. Wherein, the identification information can be at least one of a two-dimensional code or a bar code.

Optionally, the wearable device may send the identification information of the user to be identified to the first block chain node through a communication connection with the first block chain node.

And step 610, the first block chain link point queries the public key of the user to be identified on the block chain platform according to the user identification of the user to be identified.

The first block chain link point can receive identity identification information of a user to be identified, which is sent by the wearable device, and then the first block chain link point inquires a public key of the user to be identified on the block chain platform according to a user identification of the user to be identified.

And 611, checking the signature information of the user to be identified by the first block link point according to the public key of the user to be identified so as to identify the identity of the user to be identified.

Step 612, the first blockchain node sends the identification information of the user to be identified to the second blockchain node.

When the first block link point needs to acquire the target service data of the user to be identified from the second block link point, the first block link point may send the identification information of the user to be identified to the second block link point, so that the second block link point feeds back the target service data of the user to be identified to the first block link point after performing authentication on the user to be identified according to the identification information of the user to be identified.

Optionally, the first block link point may send, to the second block link node, the identification information of the user to be identified through a communication connection with the second block link point.

Step 613, the second block chain link point queries the public key of the user to be identified on the block chain platform according to the user identifier of the user to be identified.

And 614, the second block link point checks the signature information of the user to be identified according to the public key of the user to be identified so as to identify the identity of the user to be identified.

The implementation process of steps 613 to 614 may refer to steps 610 to 611 described above, and the embodiments of the present application are not described herein again.

Step 615, the first block chain node sends a data acquisition request to the second block chain node, where the data acquisition request includes a user identifier of the user to be identified.

Optionally, after the second block link point identifies the user to be identified, the second block link point may feed back an identification result to the first block link point, and when the identification result indicates that the second block link point identifies the user to be identified successfully, the first block link point may generate a data acquisition request according to the user identifier of the user to be identified, and send the data acquisition request to the second block link node, where the data acquisition request may include the user identifier of the user to be identified. Alternatively, the first block link point may send a data acquisition request to the second block link point through a communication connection with the second block link point.

And step 616, the second block chain node inquires the target service data of the user to be identified on the second block chain node according to the user identification of the user to be identified.

The second block link point may receive a data acquisition request sent by the first block link node, analyze the data acquisition request to obtain a user identifier of the user to be identified, and then query the target service data of the user to be identified on the second block link node according to the user identifier of the user to be identified. In a medical scene, the user to be identified may be a patient, and the target service data may include medical record data of the user to be identified.

Optionally, the second block link point may store a corresponding relationship between the user identifier and the service data, and the second block link point may query the corresponding relationship according to the user identifier of the user to be identified to obtain target service data of the user to be identified, and obtain the target service data.

Step 617, the second block link node feeds back the target service data to the first block link node.

Optionally, the second block link point may feed back, to the first block link point, the target service data of the user to be identified through the communication connection with the first block link point, for example, the second block link node feeds back, to the first block link point, medical record data of the user to be identified.

Step 618, the first blockchain node receives the target service data fed back by the second blockchain node.

Optionally, the first block link point may receive target service data fed back by the second block link point through a communication connection with the second block link point, and store the target service data locally.

Those skilled in the art will readily understand that, in the embodiments of the present application, both the interaction between the wearable device and the first blockchain node and the interaction between the target terminal and the first blockchain node may invoke the intelligent contract.

Those skilled in the art will readily understand that the order of the steps of the block chain-based identity recognition method provided in the embodiments of the present application may be appropriately adjusted, and the steps may also be increased or decreased according to the circumstances.

To sum up, in the identity recognition method based on the block chain provided in the embodiment of the application, the wearable device obtains the user identifier of the user to be recognized and the private key of the user to be recognized after unlocking the wearable device according to the biological characteristics of the user to be recognized, obtains the signature information of the user to be recognized according to the private key signature of the user to be recognized, and sends the identity recognition information of the user to be recognized to the first block chain node arranged in the block chain platform, where the identity recognition information includes the user identifier of the user to be recognized and the signature information of the user to be recognized, the first block chain node can query the public key of the user to be recognized on the block chain platform according to the user identifier of the user to be recognized, and performs signature verification on the signature information of the user to be recognized according to the public key of the user to be recognized, so as to perform identity recognition on the user to be recognized. The embodiment of the application combines wearing equipment and a block chain platform to carry out identity recognition, simplifies the identity recognition process, improves the identity recognition efficiency, enriches the identity recognition mode, can be suitable for various scenes in which identity recognition is required to be carried out, and is particularly suitable for medical treatment, medicine buying and other scenes in which identity recognition is required to be carried out under emergency. In addition, in the embodiment of the application, the second block link node feeds back the target service data of the user to be identified to the first block link node after the user to be identified performs identity identification, so that the security of the service data can be ensured.

The following are embodiments of the apparatus of the present application that may be used to perform embodiments of the method of the present application. For details which are not disclosed in the embodiments of the apparatus of the present application, reference is made to the embodiments of the method of the present application.

Referring to fig. 7, a block diagram of an apparatus 700 for blockchain-based identification according to an embodiment of the present application is shown, where the apparatus 700 for blockchain-based identification may be a program element in a first blockchain node, and the first blockchain node may be any blockchain node on the blockchain platform 100 in the implementation environment shown in fig. 1. Referring to fig. 7, the blockchain-based identification apparatus 700 may include, but is not limited to:

the first receiving module 701 is configured to receive identity identification information of a user to be identified, which is sent by a wearable device, where the identity identification information includes a user identifier of the user to be identified and signature information of the user to be identified, and the signature information is obtained by unlocking the wearable device according to a biological feature of the user to be identified and then signing according to a private key of the user to be identified;

the query module 702 is configured to query, on the blockchain platform, a public key of a user to be identified according to a user identifier of the user to be identified, where the public key of the user to be identified is stored in an uplink manner to a first blockchain node disposed on the blockchain platform before receiving identity identification information of the user to be identified, and is broadcasted by the first blockchain node to be synchronized to a plurality of blockchain nodes on the blockchain platform, where the first blockchain node is any one of the plurality of blockchain nodes;

the signature verification module 703 is configured to perform signature verification on the signature information of the user to be identified according to the public key of the user to be identified, so as to perform identity identification on the user to be identified.

Optionally, the apparatus for identity recognition based on block chain 700 further includes:

the first sending module is used for sending the identity identification information to second block chain link points arranged on the block chain platform, so that the second block chain link points inquire the public key of the user to be identified on the block chain platform according to the user identification of the user to be identified, signature verification is carried out on the signature information according to the public key of the user to be identified, and identity identification is carried out on the user to be identified, wherein the first block chain nodes and the second block chain nodes are block chain nodes of different mechanisms.

the second sending module is used for sending a data acquisition request to the second block link point, wherein the data acquisition request comprises a user identifier of the user to be identified, so that after the second block link point identifies the user to be identified, the second block link point queries target service data of the user to be identified on the second block link point according to the user identifier of the user to be identified, and feeds the target service data back to the first block link point;

and the second receiving module is used for receiving the target service data fed back by the link point of the second block.

Optionally, the apparatus 700 for identifying identity based on blockchain further includes:

the third receiving module is used for receiving a registration request sent by a target terminal bound with the wearable device;

the generating module is used for generating a user identifier and an asymmetric key of a user to be identified according to the registration request, wherein the asymmetric key comprises a group of paired public keys and private keys;

the third sending module is used for sending the user identification of the user to be identified and the private key of the user to be identified to the wearable device;

and the broadcasting module is used for synchronizing the user identification of the user to be identified and the public key broadcast of the user to be identified to a plurality of block chain nodes on the block chain platform.

Optionally, the target business data comprises medical record data and the institution comprises a medical institution.

To sum up, according to the identity recognition device based on the block chain provided in the embodiment of the present application, after the wearable device unlocks the wearable device according to the biological feature of the user to be recognized, the signature information of the user to be recognized is obtained according to the private key signature of the user to be recognized, and the identity recognition information of the user to be recognized is sent to the first block chain node, where the identity recognition information includes the user identifier of the user to be recognized and the signature information of the user to be recognized, the first block chain node queries the public key of the user to be recognized on the block chain platform according to the user identifier of the user to be recognized, and performs signature verification on the signature information according to the public key of the user to be recognized, so as to perform identity recognition on the user to be recognized. The embodiment of the application combines wearing equipment and the block chain platform to carry out identity recognition, so that the identity recognition efficiency is improved, and the identity recognition mode is enriched.

Referring to fig. 8, a block diagram of another block chain based id device 800 provided in the embodiment of the present application is shown, where the block chain based id device 800 may be a program component in a second block chain node, and the second block chain node may be any block chain node except a first block chain node on the block chain platform 100 in the implementation environment shown in fig. 1. Referring to fig. 8, the blockchain-based identity recognition apparatus 800 may include, but is not limited to:

the first receiving module 801 is configured to receive identity identification information of a user to be identified, where the identity identification information is sent by a first blockchain node disposed on a blockchain platform, where the identity identification information includes a user identifier of the user to be identified and signature information of the user to be identified, and the signature information is obtained by a wearable device according to a private key signature of the user to be identified after the wearable device unlocks the wearable device according to a biological characteristic of the user to be identified;

a first query module 802, configured to query, on a blockchain platform, a public key of a user to be identified according to a user identifier of the user to be identified, where the public key of the user to be identified is stored in a first blockchain node in an uplink manner before receiving identification information of the user to be identified, and is broadcasted by the first blockchain node to synchronize to multiple blockchain nodes on the blockchain platform;

and the signature verification module 803 is configured to verify the signature of the signature information according to the public key of the user to be identified, so as to identify the identity of the user to be identified.

Optionally, the apparatus for identifying an identity 800 based on a block chain further includes:

the second receiving module is used for receiving a data acquisition request sent by the first block chain node, wherein the data acquisition request comprises a user identifier of a user to be identified;

the second query module is used for querying the target service data of the user to be identified in the second block chain node according to the user identification of the user to be identified;

and the feedback module is used for feeding back the target service data to the first block link point.

To sum up, according to the identity recognition device based on the block chain provided in the embodiment of the present application, after the wearable device unlocks the wearable device according to the biological feature of the user to be recognized, the signature information of the user to be recognized is obtained according to the private key signature of the user to be recognized, and the identity recognition information of the user to be recognized is sent to the first block chain node, where the identity recognition information includes the user identifier of the user to be recognized and the signature information of the user to be recognized, the first block chain node receives the identity recognition information and then sends the identity recognition information to the second block chain node, and the second block chain node queries the public key of the user to be recognized on the block chain platform according to the user identifier of the user to be recognized, and checks the signature of the signature information of the user to be recognized according to the public key of the user to be recognized, so as to identify the user to be recognized. The embodiment of the application combines wearing equipment and the block chain platform to carry out identity recognition, so that the identity recognition efficiency is improved, and the identity recognition mode is enriched.

Referring to fig. 9, which shows a block diagram of another blockchain-based identity recognition apparatus 900 provided in an embodiment of the present application, where the blockchain-based identity recognition apparatus 900 may be a program component in a wearable device, referring to fig. 9, the blockchain-based identity recognition apparatus 900 may include, but is not limited to:

a first obtaining module 901, configured to obtain a biometric feature of a user to be identified;

the unlocking module 902 is used for unlocking the wearable device according to the biological characteristics of the user to be identified;

a second obtaining module 903, configured to obtain, from the wearable device, a user identifier of the user to be identified and a private key of the user to be identified;

the signature module 904 is configured to perform signature according to a private key of the user to be identified, so as to obtain signature information of the user to be identified;

the sending module 905 is configured to send identity identification information of a user to be identified to a first blockchain node arranged on a blockchain platform, where the identity identification information includes a user identifier of the user to be identified and signature information, so that a public key of the user to be identified is queried by the first blockchain node on the blockchain platform according to the user identifier of the user to be identified, and signature verification is performed on the signature information according to the public key of the user to be identified, so as to identify the user to be identified, before the wearable device is unlocked, the public key of the user to be identified is linked up and stored in the first blockchain node, and is broadcasted by the first blockchain node and synchronized to multiple blockchain nodes on the blockchain platform.

Optionally, the identity recognition apparatus 900 further includes:

the acquisition module is used for acquiring the biological characteristics of the user to be identified;

and the storage module is used for storing the biological characteristics of the user to be identified.

To sum up, according to the identity recognition device based on the block chain provided in the embodiment of the present application, after the wearable device unlocks the wearable device according to the biological feature of the user to be recognized, the user identifier of the user to be recognized and the private key of the user to be recognized are obtained, the signature information of the user to be recognized is obtained according to the private key signature of the user to be recognized, the identity recognition information of the user to be recognized is sent to the first block chain node arranged in the block chain platform, the identity recognition information includes the user identifier of the user to be recognized and the signature information of the user to be recognized, the first block chain node can query the public key of the user to be recognized on the block chain platform according to the user identifier of the user to be recognized, and the signature is checked according to the public key of the user to be recognized, so as to identify the user to be recognized. The embodiment of the application combines wearing equipment and the block chain platform to carry out identity recognition, so that the identity recognition efficiency is improved, and the identity recognition mode is enriched.

Referring to fig. 10, a block diagram of an identification apparatus 1000 based on a block chain according to an embodiment of the present application is shown. The apparatus 1000 may be any blockchain node in a terminal, wearable device, or blockchain platform, and the apparatus 1000 may be: a smart phone, a tablet computer, an MP3(Moving Picture Experts Group Audio Layer III, motion video Experts compression standard Audio Layer 3) player, an MP4(Moving Picture Experts Group Audio Layer IV, motion video Experts compression standard Audio Layer 4) player, a notebook computer or a desktop computer, etc. The apparatus 1000 may also be referred to by other names such as user equipment, portable terminal, laptop terminal, desktop terminal, etc. Alternatively, when the device 1000 is a block link point, the device 1000 may also be a server.

In general, the apparatus 1000 includes: a processor 1001 and a memory 1002.

Processor 1001 may include one or more processing cores, such as a 4-core processor, a 7-core processor, and so forth. The processor 1001 may be implemented in at least one hardware form of a DSP (Digital Signal Processing), an FPGA (Field-Programmable Gate Array), and a PLA (Programmable Logic Array). The processor 1001 may also include a main processor and a coprocessor, where the main processor is a processor for Processing data in an awake state, and is also referred to as a Central Processing Unit (CPU); a coprocessor is a low power processor for processing data in a standby state. In some embodiments, the processor 1001 may be integrated with a GPU (Graphics Processing Unit), which is responsible for rendering and drawing the content required to be displayed on the display screen. In some embodiments, the processor 1001 may further include an AI (Artificial Intelligence) processor for processing a calculation operation related to machine learning.

Memory 1002 may include one or more computer-readable storage media, which may be non-transitory. Memory 1002 can also include high-speed random access memory, as well as non-volatile memory, such as one or more magnetic disk storage devices, flash memory storage devices. In some embodiments, a non-transitory computer readable storage medium in the memory 1002 is used to store at least one instruction for execution by the processor 1001 to implement the methods provided by embodiments of the present application.

In some embodiments, the apparatus 1000 may further include: a peripheral interface 1003 and at least one peripheral. The processor 1001, memory 1002 and peripheral interface 1003 may be connected by a bus or signal line. Various peripheral devices may be connected to peripheral interface 1003 via a bus, signal line, or circuit board. The peripheral device may include: at least one of radio frequency circuitry 1004, touch screen display 1005, camera 1006, audio circuitry 1007, positioning components 1008, or power supply 1009.

The peripheral interface 1003 may be used to connect at least one peripheral related to I/O (Input/Output) to the processor 1001 and the memory 1002. In some embodiments, processor 1001, memory 1002, and peripheral interface 1003 are integrated on the same chip or circuit board; in some other embodiments, any one or two of the processor 1001, the memory 1002, and the peripheral interface 1003 may be implemented on separate chips or circuit boards, which are not limited by this embodiment.

The Radio Frequency circuit 1004 is used for receiving and transmitting RF (Radio Frequency) signals, also called electromagnetic signals. The radio frequency circuitry 1004 communicates with communication networks and other communication devices via electromagnetic signals. The radio frequency circuit 1004 converts an electrical signal into an electromagnetic signal to transmit, or converts a received electromagnetic signal into an electrical signal. Optionally, the radio frequency circuit 1004 comprises: an antenna system, an RF transceiver, one or more amplifiers, a tuner, an oscillator, a digital signal processor, a codec chipset, a subscriber identity module card, and so forth. The radio frequency circuit 1004 may communicate with other terminals via at least one wireless communication protocol. The wireless communication protocols include, but are not limited to: metropolitan area networks, various generation mobile communication networks (2G, 3G, 4G, and 5G), Wireless local area networks, and/or WiFi (Wireless Fidelity) networks. In some embodiments, the rf circuit 1004 may further include NFC (Near Field Communication) related circuits, which are not limited in this application.

The display screen 1005 is used to display a UI (User Interface). The UI may include graphics, text, icons, video, and any combination thereof. When the display screen 1005 is a touch display screen, the display screen 1005 also has the ability to capture touch signals on or over the surface of the display screen 1005. The touch signal may be input to the processor 1001 as a control signal for processing. At this point, the display screen 1005 may also be used to provide virtual buttons and/or a virtual keyboard, also referred to as soft buttons and/or a soft keyboard. In some embodiments, the display screen 1005 may be one, disposed on the front panel of the device 1000; in other embodiments, the display screen 1005 may be at least two, respectively disposed on different surfaces of the device 1000 or in a folded design; in still other embodiments, the display 1005 may be a flexible display, disposed on a curved surface or on a folded surface of the device 1000. Even more, the display screen 1005 may be arranged in a non-rectangular irregular figure, i.e., a shaped screen. The Display screen 1005 may be made of LCD (Liquid Crystal Display), OLED (Organic Light-Emitting Diode), and the like.

The camera assembly 1006 is used to capture images or video. Optionally, the camera assembly 1006 includes a front camera and a rear camera. Generally, a front camera is disposed at a front panel of the terminal, and a rear camera is disposed at a rear surface of the terminal. In some embodiments, the number of the rear cameras is at least two, and each rear camera is any one of a main camera, a depth-of-field camera, a wide-angle camera and a telephoto camera, so that the main camera and the depth-of-field camera are fused to realize a background blurring function, the main camera and the wide-angle camera are fused to realize panoramic shooting and a VR (Virtual Reality) shooting function or other fusion shooting functions. In some embodiments, the camera assembly 1006 may also include a flash. The flash lamp can be a monochrome temperature flash lamp or a bicolor temperature flash lamp. The double-color-temperature flash lamp is a combination of a warm-light flash lamp and a cold-light flash lamp, and can be used for light compensation at different color temperatures.

The audio circuit 1007 may include a microphone and a speaker. The microphone is used for collecting sound waves of a user and the environment, converting the sound waves into electric signals, and inputting the electric signals to the processor 1001 for processing or inputting the electric signals to the radio frequency circuit 1004 for realizing voice communication. For stereo sound acquisition or noise reduction purposes, the microphones may be multiple and located at different locations of the device 1000. The microphone may also be an array microphone or an omni-directional acquisition microphone. The speaker is used to convert electrical signals from the processor 1001 or the radio frequency circuit 1004 into sound waves. The loudspeaker can be a traditional film loudspeaker or a piezoelectric ceramic loudspeaker. When the speaker is a piezoelectric ceramic speaker, the speaker can be used for purposes such as converting an electric signal into a sound wave audible to a human being, or converting an electric signal into a sound wave inaudible to a human being to measure a distance. In some embodiments, the audio circuit 1007 may also include a headphone jack.

A Location component 1008 is used to locate the current geographic Location of the device 1000 for navigation or LBS (Location Based Service). The Positioning component 1008 may be a Positioning component based on the Global Positioning System (GPS) in the united states, the beidou System in china, the graves System in russia, or the galileo System in the european union.

A power supply 1009 is used to supply power to the various components in the apparatus 1000. The power source 1009 may be alternating current, direct current, disposable batteries, or rechargeable batteries. When the power source 1009 includes a rechargeable battery, the rechargeable battery may support wired charging or wireless charging. Rechargeable batteries may also be used to support fast-charge technologies.

In some embodiments, the device 1000 further comprises one or more sensors 1010. The one or more sensors 1010 include, but are not limited to: acceleration sensor 1011, gyro sensor 1012, pressure sensor 1013, fingerprint sensor 1014, optical sensor 1015, and proximity sensor 1016.

The acceleration sensor 1011 can detect the magnitude of acceleration on three coordinate axes of a coordinate system established with the apparatus 1000. For example, the acceleration sensor 1011 may be used to detect components of the gravitational acceleration in three coordinate axes. The processor 1001 may control the touch display screen 1005 to display a user interface in a landscape view or a portrait view according to the gravitational acceleration signal collected by the acceleration sensor 1011. The acceleration sensor 1011 may also be used for acquisition of motion data of a game or a user.

The gyro sensor 1012 may detect a body direction and a rotation angle of the apparatus 1000, and the gyro sensor 1012 may cooperate with the acceleration sensor 1011 to acquire a 3D motion of the user with respect to the apparatus 1000. The processor 1001 may implement the following functions according to the data collected by the gyro sensor 1012: motion sensing (such as changing the UI according to a user's tilting operation), image stabilization at the time of photographing, game control, and inertial navigation.

Pressure sensors 1013 may be provided on the side frame of the device 1000 and/or on the lower layer of the touch screen 1005. When the pressure sensor 1013 is disposed on a side frame of the apparatus 1000, a holding signal of the apparatus 1000 by a user can be detected, and the processor 1001 performs left-right hand recognition or shortcut operation according to the holding signal collected by the pressure sensor 1013. When the pressure sensor 1013 is disposed at a lower layer of the touch display screen 1005, the processor 1001 controls the operability control on the UI interface according to the pressure operation of the user on the touch display screen 1005. The operability control comprises at least one of a button control, a scroll bar control, an icon control and a menu control.

The fingerprint sensor 1014 is used to collect a fingerprint of the user, and the processor 1001 identifies the user according to the fingerprint collected by the fingerprint sensor 1014, or the fingerprint sensor 1014 identifies the user according to the collected fingerprint. Upon identifying that the user's identity is a trusted identity, the processor 1001 authorizes the user to perform relevant sensitive operations including unlocking a screen, viewing encrypted information, downloading software, paying, and changing settings, etc. The fingerprint sensor 1014 may be disposed on the front, back, or side of the device 1000. When a physical button or vendor Logo is provided on the device 1000, the fingerprint sensor 1014 may be integrated with the physical button or vendor Logo.

The optical sensor 1015 is used to collect the ambient light intensity. In one embodiment, the processor 1001 may control the display brightness of the touch display screen 1005 according to the intensity of the ambient light collected by the optical sensor 1015. Specifically, when the ambient light intensity is high, the display brightness of the touch display screen 1005 is increased; when the ambient light intensity is low, the display brightness of the touch display screen 1005 is turned down. In another embodiment, the processor 1001 may also dynamically adjust the shooting parameters of the camera assembly 1006 according to the intensity of the ambient light collected by the optical sensor 1015.

A proximity sensor 1016, also known as a distance sensor, is typically provided on the front panel of the device 1000. The proximity sensor 1016 is used to capture the distance between the user and the front of the device 1000. In one embodiment, the processor 1001 controls the touch display screen 1005 to switch from the bright screen state to the dark screen state when the proximity sensor 1016 detects that the distance between the user and the front of the device 1000 is gradually decreased; when the proximity sensor 1016 detects that the distance between the user and the front of the device 1000 is gradually increased, the touch display screen 1005 is controlled by the processor 1001 to switch from a breath-screen state to a bright-screen state.

Those skilled in the art will appreciate that the configuration shown in fig. 10 is not intended to be limiting of the apparatus 1000 and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components may be used. Moreover, when the apparatus 1000 is a terminal, a wearable device, or a block link point, components of the apparatus 1000 may be configured according to actual needs, for example, when the apparatus 1000 is a wearable device, the apparatus 1000 may not have a camera assembly, and the like, which is not limited in this embodiment of the present invention.

Referring to fig. 11, which shows a schematic diagram of a blockchain-based identity recognition system 1100 according to an embodiment of the present application, referring to fig. 11, the blockchain-based identity recognition system 1100 may include: a wearable device 1110 and a blockchain platform 1120.

The wearable device 1110 is configured to unlock the wearable device 1110 according to a biological feature of a user to be identified, perform signature according to a private key of the user to be identified to obtain signature information of the user to be identified, and send identity identification information of the user to be identified to a first block link point 1121 arranged on the block chain platform 1120, where the identity identification information includes a user identifier of the user to be identified and the signature information of the user to be identified, and the first block link point 1121 is any block chain node on the block chain platform 1120;

the first block link point 1121 is configured to query a public key of a user to be identified on the block link platform 1120 according to a user identifier of the user to be identified, and perform signature verification on signature information according to the public key of the user to be identified, so as to perform identity identification on the user to be identified, where the public key of the user to be identified is already uplink-stored to the first block link point 1121 before the first block link point 1121 receives the identity identification information of the user to be identified, and is broadcast by the first block link point 1121 and synchronized to a plurality of block link nodes on the block link platform 1120.

Optionally, the first block link point 1121 is further configured to send identification information to a second block link point 1122 disposed on the block chain platform 1120, where the first block link point 1121 and the second block link point 1122 are block chain nodes of different mechanisms;

the second block link point 1122 is configured to query the public key of the user to be identified on the block link platform 1120 according to the user identifier of the user to be identified, and check the signature of the signature information according to the public key of the user to be identified, so as to identify the identity of the user to be identified.

Optionally, the first block link point 1121 is further configured to send a data acquisition request to the second block link point 1122, where the data acquisition request includes a user identifier of a user to be identified;

the second block link point 1122 is further configured to, after performing identity identification on the user to be identified, query target service data of the user to be identified on the second block link point 1122 according to the user identifier of the user to be identified, and feed back the target service data to the first block link point 1121;

the first block node 1121 is further configured to receive target service data fed back by the second block node 1122.

Optionally, with continued reference to fig. 11, the system 1100 further includes: a target terminal 1130, the target terminal 1130 being bound to the wearable device 1110,

a target terminal 1130, configured to send a registration request to the first block link point 1121;

the first block link point 1121 is further configured to generate a user identifier and an asymmetric key of the user to be identified according to the registration request, where the asymmetric key includes a group of public keys and private keys;

the first block link node 1121 is further configured to send a user identifier of the user to be identified and a private key of the user to be identified to the wearable device 1110, and synchronize the user identifier of the user to be identified and a public key of the user to be identified to the plurality of block link nodes on the block link platform 1120 in a broadcast manner.

Optionally, the wearable device 1110, further configured to:

acquiring the biological characteristics of a user to be identified;

unlocking the wearable device 1110 according to the biological characteristics of the user to be identified;

the user identifier of the user to be identified and the private key of the user to be identified are obtained from the wearable device 1110.

Optionally, the wearable device 1110, further configured to:

collecting biological characteristics of a user to be identified;

the biometric features of the user to be identified are stored.

In summary, according to the identity recognition system based on the block chain provided in the embodiment of the present application, after the wearable device unlocks the wearable device according to the biological feature of the user to be recognized, the signature information of the user to be recognized is obtained according to the private key signature of the user to be recognized, and the identity recognition information of the user to be recognized is sent to the first block chain node, where the identity recognition information includes the user identifier of the user to be recognized and the signature information of the user to be recognized, the first block chain node queries the public key of the user to be recognized on the block chain platform according to the user identifier of the user to be recognized, and performs signature verification on the signature information according to the public key of the user to be recognized, so as to perform identity recognition on the user to be recognized. The embodiment of the application combines wearing equipment and the block chain platform to carry out identity recognition, so that the identity recognition efficiency is improved, and the identity recognition mode is enriched.

Also provided in embodiments of the present application is a computer-readable storage medium having at least one instruction, at least one program, set of codes, or set of instructions stored therein, which is loaded and executed by a processor to implement the method shown in any one of fig. 2 to 6.

In this application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless explicitly defined otherwise.

The term "at least one of a or B" in this application is only one kind of association relationship describing an associated object, and means that three kinds of relationships may exist, for example, at least one of a or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. Similarly, "A, B or at least one of C" means that there may be seven relationships that may represent: seven cases of A alone, B alone, C alone, A and B together, A and C together, C and B together, and A, B and C together exist.

The term "and/or" in the embodiment of the present application is only one kind of association relationship describing an associated object, and means that three kinds of relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.

The above description is only exemplary of the present application and is not intended to limit the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present application are intended to be included within the scope of the present application.

Claims

1. An identity recognition method based on a block chain is characterized in that the method comprises the following steps:

a first block chain link point receives a registration request sent by a target terminal bound with the wearable device;

the first block chain node generates a user identifier and an asymmetric key of the user to be identified according to the registration request, wherein the asymmetric key comprises a group of public keys and private keys;

the first block chain link point sends the user identification of the user to be identified and the private key of the user to be identified to the wearable device;

the first block chain node synchronizes the user identification of the user to be identified and the public key broadcast of the user to be identified to a plurality of block chain nodes on the block chain platform;

the first block chain node receives identity identification information of a user to be identified, which is sent by wearing equipment, wherein the identity identification information comprises a user identifier of the user to be identified and signature information of the user to be identified, the signature information is obtained by the wearing equipment according to a private key signature of the user to be identified after the wearing equipment unlocks the wearing equipment according to biological characteristics of the user to be identified, and the user identifier of the user to be identified and the private key are obtained by the wearing equipment according to the biological characteristics of the user to be identified by inquiring corresponding relations of the biological characteristics, the user identifier and the private key stored in the wearing equipment;

the first block chain node inquires a public key of the user to be identified on a block chain platform according to the user identification of the user to be identified, wherein the public key of the user to be identified is stored to a first block chain node arranged on the block chain platform in an uplink mode before the identification information of the user to be identified is received, and is broadcasted and synchronized to a plurality of block chain nodes on the block chain platform by the first block chain node, and the first block chain node is any one of the plurality of block chain nodes;

the first block link point checks the signature information according to the public key of the user to be identified so as to identify the identity of the user to be identified;

the first block chain node sends identity identification information of a user to be identified to a second block chain node, so that after the second block chain node performs identity verification on the user to be identified according to the identity identification information of the user to be identified, target service data of the user to be identified are fed back to the first block chain node, wherein the first block chain node and the second block chain node are block chain nodes of different mechanisms, the target service data comprise medical record data, and the mechanism comprises a medical mechanism.

2. The method according to claim 1, wherein the second block link point performs authentication on the user to be identified according to the identification information of the user to be identified, and the authentication includes:

and the second block chain link point queries the public key of the user to be identified on the block chain platform according to the user identification of the user to be identified, and checks the signature of the signature information according to the public key of the user to be identified so as to identify the identity of the user to be identified.

3. The method of claim 2, wherein after sending the identification information to the second block link point, the method further comprises:

sending a data acquisition request to the second block link point, wherein the data acquisition request comprises a user identifier of the user to be identified, so that after the second block link point identifies the user to be identified, the target service data of the user to be identified is inquired on the second block link point according to the user identifier of the user to be identified, and the target service data is fed back to the first block link point;

and receiving the target service data fed back by the second block link point.

4. The method of claim 1,

the identification information includes at least one of a two-dimensional code or a bar code.

5. An identity recognition method based on a block chain is characterized in that the method comprises the following steps:

the method comprises the steps that a second block chain node receives identity identification information of a user to be identified, wherein the identity identification information is sent by a first block chain node arranged on a block chain platform and comprises a user identification of the user to be identified and signature information of the user to be identified, the signature information is obtained by a wearable device according to a private key signature of the user to be identified after the wearable device unlocks the wearable device according to biological characteristics of the user to be identified, and the user identification of the user to be identified and the private key are obtained by the wearable device according to the biological characteristics of the user to be identified by inquiring corresponding relations of the biological characteristics, the user identification and the private key stored in the wearable device;

before sending the identity identification information of a user to be identified, the first block chain node receives a registration request sent by a target terminal bound with the wearable device; generating a user identifier and an asymmetric key of the user to be identified according to the registration request, wherein the asymmetric key comprises a group of public keys and private keys; sending the user identification of the user to be identified and the private key of the user to be identified to the wearable device; synchronizing the user identification of the user to be identified and the public key broadcast of the user to be identified to a plurality of block chain nodes on the block chain platform;

the second block chain node inquires the public key of the user to be identified on the block chain platform according to the user identification of the user to be identified, wherein the public key of the user to be identified is linked and stored in the first block chain node before the identification information of the user to be identified is received, and is broadcast by the first block chain node and synchronized to a plurality of block chain nodes on the block chain platform;

the signature verification is carried out on the signature information according to the public key of the user to be identified so as to identify the user to be identified, the second block chain node carries out identity verification on the user to be identified according to the identity identification information of the user to be identified, and then target service data of the user to be identified are fed back to the first block chain node, wherein the first block chain node and the second block chain node are block chain nodes of different mechanisms, the target service data comprise medical record data, and the mechanism comprises a medical mechanism.

6. A blockchain-based identity recognition system, the system comprising: a wearable device and a blockchain platform,

the wearable device is used for unlocking the wearable device according to biological characteristics of a user to be identified, signing according to a private key of the user to be identified to obtain signature information of the user to be identified, and sending identity identification information of the user to be identified to a first block chain node arranged on the block chain platform, wherein the identity identification information comprises a user identifier of the user to be identified and the signature information of the user to be identified, the user identifier of the user to be identified and the private key are obtained by the wearable device inquiring corresponding relations of the biological characteristics, the user identifier and the private key stored in the wearable device according to the biological characteristics of the user to be identified, and the first block chain node is any block chain node on the block chain platform;

the first block link node is used for receiving a registration request sent by a target terminal bound with the wearable device; generating a user identifier and an asymmetric key of the user to be identified according to the registration request, wherein the asymmetric key comprises a group of public keys and private keys; sending the user identification of the user to be identified and the private key of the user to be identified to the wearable device; synchronizing the user identification of the user to be identified and the public key broadcast of the user to be identified to a plurality of block chain nodes on the block chain platform;

the first block chain node is further configured to query a public key of the user to be identified on the block chain platform according to the user identifier of the user to be identified, perform signature verification on the signature information according to the public key of the user to be identified, perform identity identification on the user to be identified, send the identity identification information of the user to be identified to a second block chain node, so that after the second block chain node performs identity authentication on the user to be identified according to the identity identification information of the user to be identified, the target service data of the user to be identified is fed back to the first block chain node, before the first block chain node receives the identity identification information of the user to be identified, the public key of the user to be identified is linked up and stored to the first block chain node, and is broadcast by the first block chain node and synchronized to a plurality of block chain nodes on the block chain platform, the first block chain node and the second block chain node are block chain nodes of different organizations, the target service data comprises medical record data, and the organizations comprise medical institutions.

7. An apparatus for blockchain based identification, the apparatus comprising a processor and a memory, the memory having stored therein at least one instruction, at least one program, set of codes, or set of instructions, the at least one instruction, the at least one program, set of codes, or set of instructions being loaded and executed by the processor to implement the method of any one of claims 1 to 4.

8. A storage medium having stored therein at least one instruction, at least one program, a set of codes, or a set of instructions, which is loaded and executed by a processor to implement the method of any one of claims 1 to 4.