KR20240058723A - Method for connecting between devices using biometric information and electronic device thereof - Google Patents

Abstract

One embodiment of the present invention includes at least one communication module 190, a memory 130 that stores biometric information of a user and a biohash corresponding to the biometric information, and at least one of the at least one communication module or the memory. a processor (120) operatively connected to one, wherein the processor receives a message including at least one of a pass code pair and device information of the external device from an external device through the at least one communication module; Authenticate a pass code associated with the external device using the biohash and the pass code pair stored in the memory, transmit device information of the electronic device to the external device based on the authentication result, and transmit the at least one It may be set to connect with the external device based on a request from the external device through a communication module. Various other embodiments are possible.

Description

Method for connecting devices using biometric information and its electronic devices {METHOD FOR CONNECTING BETWEEN DEVICES USING BIOMETRIC INFORMATION AND ELECTRONIC DEVICE THEREOF}

An embodiment of the present invention discloses a method and device for connecting devices using biometric information.

With the development of digital technology, various types of electronic devices such as mobile communication terminals, personal digital assistants (PDAs), electronic notebooks, smart phones, personal computers (tablet PCs), or wearable devices are widely used. Electronic devices may have a limited size for portability, and as a result, the size of the display is also limited. Accordingly, recently, various types of electronic devices that provide expanded screens through multi displays have been developed.

For example, an electronic device (e.g., a smart phone) can be connected to a wearable display device (e.g., AR glasses) to provide virtual reality (VR), augmented reality (AR), and/or mixed reality. It is possible to provide expanded reality (XR) content such as MR). Electronic devices include a tethered AR method that provides virtual content generated by an electronic device through the display of a wearable display device, and a stand-alone method in which a wearable display device independently generates virtual content and provides it through the display without being connected to an electronic device. We are implementing an AR environment similar to the AR method.

The electronic device may check the identifier (or ID) of the external electronic device in order to connect to the external electronic device. When the confirmed ID of the electronic display device is selected, the electronic device can receive a pass code displayed on the external device from the user. The electronic device can be connected to an external electronic device when the entered pass code is confirmed. Afterwards, the user may need to confirm and select an ID and enter a pass code every time the electronic device is connected to an external electronic device.

In one embodiment, a method and device for easily pairing an electronic device and an external device (e.g., AR glasses, IoT device, smart TV) using biohash associated with the user's biometric information may be disclosed.

An electronic device according to an embodiment of the present disclosure includes at least one communication module 190, a memory 130 that stores biometric information of a user and a biohash corresponding to the biometric information, and the at least one communication module, or a processor 120 operatively connected to at least one of the memories, wherein the processor receives at least one of a pass code pair and device information of the external device from the external device 200 through the at least one communication module. Receive a message containing, authenticate a pass code associated with the external device using the biohash and the pass code pair stored in the memory, and send device information of the electronic device to the external device based on the authentication result. and may be set to connect with the external device based on a request from the external device through the at least one communication module.

A method of operating the electronic device 101 according to an embodiment of the present disclosure includes sending a message containing at least one of a pass code pair and device information of the external device from an external device 200 through at least one communication module 190. An operation of receiving, an operation of authenticating a pass code associated with the external device using the biohash stored in the memory 130 and the pass code pair, and sending device information of the electronic device to the external device based on the authentication result. It may include an operation of transmitting, and an operation of connecting to the external device based on a request from the external device through the at least one communication module.

A method of operating the electronic device 200 according to an embodiment of the present disclosure includes generating a biohash corresponding to the user's biometric information in response to a connection request, and generating a pass code for connection to the electronic device. , an operation of generating a message including a pass code encrypted with the generated biohash, an operation of broadcasting the generated message, and receiving device information of the external device from the external device 101 in response to the broadcasted message. It may include a receiving operation and an operation of pairing with the external device based on device information of the external device.

According to one embodiment, by pairing an electronic device and an external device using a biohash associated with the user's biometric information, authentication between devices for pairing can be simplified and security can be improved.

According to one embodiment, security can be improved by receiving a message containing a passcode encrypted with a biohash and authenticating the passcode included in the received message with the biohash stored in the memory.

According to one embodiment, even if there is no separate request for disconnection from the user, if it is determined that the user is not wearing an external device, the connection with the electronic device is disconnected, thereby improving usability.

According to one embodiment, pairing between an external device and an electronic device is controlled through biohash, allowing multiple electronic devices to be connected to one external device.

1 is a block diagram of an electronic device in a network environment according to an embodiment.
FIG. 2 is a diagram illustrating a connection relationship between an electronic device and an external device according to an embodiment.
Figure 3 is a block diagram of an external device according to an embodiment.
Figure 4 is a flowchart illustrating a method of connecting an electronic device and an external device according to an embodiment.
FIG. 5 is a diagram illustrating an example of generating biohash in an electronic device according to an embodiment.
Figure 6 is a flowchart illustrating a method of operating an electronic device according to an embodiment.
FIG. 7 is a diagram illustrating a user interface for biohash registration in an electronic device according to an embodiment.
Figure 8 is a flowchart illustrating a method of connecting an external device to an electronic device using biohash according to an embodiment.
FIG. 9 is a diagram illustrating an example of a device connection request from an external device according to an embodiment.
Figure 10 is a diagram illustrating an example of a message received from an external device according to an embodiment.
FIG. 11 is a diagram illustrating an example of connecting an external device to another electronic device according to an embodiment.
FIG. 12 is a flowchart illustrating a method of connecting an external device to another electronic device according to an embodiment.
FIG. 13 is a flowchart illustrating a method of disconnecting from one electronic device and connecting to another electronic device in an external device, according to an embodiment.
FIG. 14 is a flowchart illustrating a method in which an external device instructs data transfer from one electronic device to another electronic device, according to an embodiment.

1 is a block diagram of an electronic device 101 in a network environment 100, according to various embodiments.

Referring to FIG. 1, in the network environment 100, the electronic device 101 communicates with the electronic device 102 through a first network 198 (e.g., a short-range wireless communication network) or a second network 199. It is possible to communicate with at least one of the electronic device 104 or the server 108 through (e.g., a long-distance wireless communication network). According to one embodiment, the electronic device 101 may communicate with the electronic device 104 through the server 108. According to one embodiment, the electronic device 101 includes a processor 120, a memory 130, an input module 150, an audio output module 155, a display module 160, an audio module 170, and a sensor module ( 176), interface 177, connection terminal 178, haptic module 179, camera module 180, power management module 188, battery 189, communication module 190, subscriber identification module 196 , or may include an antenna module 197. In some embodiments, at least one of these components (eg, the connection terminal 178) may be omitted or one or more other components may be added to the electronic device 101. In some embodiments, some of these components (e.g., sensor module 176, camera module 180, or antenna module 197) are integrated into one component (e.g., display module 160). It can be.

The processor 120, for example, executes software (e.g., program 140) to operate at least one other component (e.g., hardware or software component) of the electronic device 101 connected to the processor 120. It can be controlled and various data processing or calculations can be performed. According to one embodiment, as at least part of data processing or computation, the processor 120 stores commands or data received from another component (e.g., sensor module 176 or communication module 190) in volatile memory 132. The commands or data stored in the volatile memory 132 can be processed, and the resulting data can be stored in the non-volatile memory 134. According to one embodiment, the processor 120 includes a main processor 121 (e.g., a central processing unit or an application processor) or an auxiliary processor 123 that can operate independently or together (e.g., a graphics processing unit, a neural network processing unit ( It may include a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor). For example, if the electronic device 101 includes a main processor 121 and a secondary processor 123, the secondary processor 123 may be set to use lower power than the main processor 121 or be specialized for a designated function. You can. The auxiliary processor 123 may be implemented separately from the main processor 121 or as part of it.

The auxiliary processor 123 may, for example, act on behalf of the main processor 121 while the main processor 121 is in an inactive (e.g., sleep) state, or while the main processor 121 is in an active (e.g., application execution) state. ), together with the main processor 121, at least one of the components of the electronic device 101 (e.g., the display module 160, the sensor module 176, or the communication module 190) At least some of the functions or states related to can be controlled. According to one embodiment, co-processor 123 (e.g., image signal processor or communication processor) may be implemented as part of another functionally related component (e.g., camera module 180 or communication module 190). there is. According to one embodiment, the auxiliary processor 123 (eg, neural network processing unit) may include a hardware structure specialized for processing artificial intelligence models. Artificial intelligence models can be created through machine learning. For example, such learning may be performed in the electronic device 101 itself on which the artificial intelligence model is performed, or may be performed through a separate server (e.g., server 108). Learning algorithms may include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but It is not limited. An artificial intelligence model may include multiple artificial neural network layers. Artificial neural networks include deep neural network (DNN), convolutional neural network (CNN), recurrent neural network (RNN), restricted boltzmann machine (RBM), belief deep network (DBN), bidirectional recurrent deep neural network (BRDNN), It may be one of deep Q-networks or a combination of two or more of the above, but is not limited to the examples described above. In addition to hardware structures, artificial intelligence models may additionally or alternatively include software structures.

The memory 130 may store various data used by at least one component (eg, the processor 120 or the sensor module 176) of the electronic device 101. Data may include, for example, input data or output data for software (e.g., program 140) and instructions related thereto. Memory 130 may include volatile memory 132 or non-volatile memory 134.

The program 140 may be stored as software in the memory 130 and may include, for example, an operating system 142, middleware 144, or application 146.

The input module 150 may receive commands or data to be used in a component of the electronic device 101 (e.g., the processor 120) from outside the electronic device 101 (e.g., a user). The input module 150 may include, for example, a microphone, mouse, keyboard, keys (eg, buttons), or digital pen (eg, stylus pen).

The sound output module 155 may output sound signals to the outside of the electronic device 101. The sound output module 155 may include, for example, a speaker or a receiver. Speakers can be used for general purposes such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. According to one embodiment, the receiver may be implemented separately from the speaker or as part of it.

The display module 160 can visually provide information to the outside of the electronic device 101 (eg, a user). The display module 160 may include, for example, a display, a hologram device, or a projector, and a control circuit for controlling the device. According to one embodiment, the display module 160 may include a touch sensor configured to detect a touch, or a pressure sensor configured to measure the intensity of force generated by the touch.

The audio module 170 can convert sound into an electrical signal or, conversely, convert an electrical signal into sound. According to one embodiment, the audio module 170 acquires sound through the input module 150, the sound output module 155, or an external electronic device (e.g., directly or wirelessly connected to the electronic device 101). Sound may be output through the electronic device 102 (e.g., speaker or headphone).

The sensor module 176 detects the operating state (e.g., power or temperature) of the electronic device 101 or the external environmental state (e.g., user state) and generates an electrical signal or data value corresponding to the detected state. can do. According to one embodiment, the sensor module 176 includes, for example, a gesture sensor, a gyro sensor, an air pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, It may include a temperature sensor, humidity sensor, or light sensor.

The interface 177 may support one or more designated protocols that can be used to connect the electronic device 101 directly or wirelessly with an external electronic device (eg, the electronic device 102). According to one embodiment, the interface 177 may include, for example, a high definition multimedia interface (HDMI), a universal serial bus (USB) interface, an SD card interface, or an audio interface.

The connection terminal 178 may include a connector through which the electronic device 101 can be physically connected to an external electronic device (eg, the electronic device 102). According to one embodiment, the connection terminal 178 may include, for example, an HDMI connector, a USB connector, an SD card connector, or an audio connector (eg, a headphone connector).

The haptic module 179 can convert electrical signals into mechanical stimulation (e.g., vibration or movement) or electrical stimulation that the user can perceive through tactile or kinesthetic senses. According to one embodiment, the haptic module 179 may include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

The camera module 180 can capture still images and moving images. According to one embodiment, the camera module 180 may include one or more lenses, image sensors, image signal processors, or flashes.

The power management module 188 can manage power supplied to the electronic device 101. According to one embodiment, the power management module 188 may be implemented as at least a part of, for example, a power management integrated circuit (PMIC).

The battery 189 may supply power to at least one component of the electronic device 101. According to one embodiment, the battery 189 may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.

Communication module 190 is configured to provide a direct (e.g., wired) communication channel or wireless communication channel between electronic device 101 and an external electronic device (e.g., electronic device 102, electronic device 104, or server 108). It can support establishment and communication through established communication channels. Communication module 190 operates independently of processor 120 (e.g., an application processor) and may include one or more communication processors that support direct (e.g., wired) communication or wireless communication. According to one embodiment, the communication module 190 is a wireless communication module 192 (e.g., a cellular communication module, a short-range wireless communication module, or a global navigation satellite system (GNSS) communication module) or a wired communication module 194 (e.g., : LAN (local area network) communication module, or power line communication module) may be included. Among these communication modules, the corresponding communication module is a first network 198 (e.g., a short-range communication network such as Bluetooth, wireless fidelity (WiFi) direct, or infrared data association (IrDA)) or a second network 199 (e.g., legacy It may communicate with an external electronic device 104 through a telecommunication network such as a cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., LAN or WAN). These various types of communication modules may be integrated into one component (e.g., a single chip) or may be implemented as a plurality of separate components (e.g., multiple chips). The wireless communication module 192 uses subscriber information (e.g., International Mobile Subscriber Identifier (IMSI)) stored in the subscriber identification module 196 to communicate within a communication network such as the first network 198 or the second network 199. The electronic device 101 can be confirmed or authenticated.

The wireless communication module 192 may support 5G networks after 4G networks and next-generation communication technologies, for example, NR access technology (new radio access technology). NR access technology provides high-speed transmission of high-capacity data (enhanced mobile broadband (eMBB)), minimization of terminal power and access to multiple terminals (massive machine type communications (mMTC)), or ultra-reliable and low-latency (URLLC). -latency communications)) can be supported. The wireless communication module 192 may support high frequency bands (eg, mmWave bands), for example, to achieve high data rates. The wireless communication module 192 uses various technologies to secure performance in high frequency bands, for example, beamforming, massive array multiple-input and multiple-output (MIMO), and full-dimensional multiplexing. It can support technologies such as input/output (FD-MIMO: full dimensional MIMO), array antenna, analog beam-forming, or large scale antenna. The wireless communication module 192 may support various requirements specified in the electronic device 101, an external electronic device (e.g., electronic device 104), or a network system (e.g., second network 199). According to one embodiment, the wireless communication module 192 supports Peak data rate (e.g., 20 Gbps or more) for realizing eMBB, loss coverage (e.g., 164 dB or less) for realizing mmTC, or U-plane latency (e.g., 164 dB or less) for realizing URLLC. Example: Downlink (DL) and uplink (UL) each of 0.5 ms or less, or round trip 1 ms or less) can be supported.

The antenna module 197 may transmit or receive signals or power to or from the outside (e.g., an external electronic device). According to one embodiment, the antenna module 197 may include an antenna including a radiator made of a conductor or a conductive pattern formed on a substrate (eg, PCB). According to one embodiment, the antenna module 197 may include a plurality of antennas (eg, an array antenna). In this case, at least one antenna suitable for a communication method used in a communication network such as the first network 198 or the second network 199 is, for example, connected to the plurality of antennas by the communication module 190. can be selected. Signals or power may be transmitted or received between the communication module 190 and an external electronic device through the at least one selected antenna. According to some embodiments, in addition to the radiator, other components (eg, radio frequency integrated circuit (RFIC)) may be additionally formed as part of the antenna module 197.

According to various embodiments, the antenna module 197 may form a mmWave antenna module. According to one embodiment, a mmWave antenna module includes a printed circuit board, an RFIC disposed on or adjacent to a first side (e.g., bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., mmWave band); And a plurality of antennas (e.g., array antennas) disposed on or adjacent to the second side (e.g., top or side) of the printed circuit board and capable of transmitting or receiving signals in the designated high frequency band. can do.

At least some of the components are connected to each other through a communication method between peripheral devices (e.g., bus, general purpose input and output (GPIO), serial peripheral interface (SPI), or mobile industry processor interface (MIPI)) and signal ( (e.g. commands or data) can be exchanged with each other.

According to one embodiment, commands or data may be transmitted or received between the electronic device 101 and the external electronic device 104 through the server 108 connected to the second network 199. Each of the external electronic devices 102 or 104 may be of the same or different type as the electronic device 101. According to one embodiment, all or part of the operations performed in the electronic device 101 may be executed in one or more of the external electronic devices 102, 104, or 108. For example, when the electronic device 101 must perform a certain function or service automatically or in response to a request from a user or another device, the electronic device 101 may perform the function or service instead of executing the function or service on its own. Alternatively, or additionally, one or more external electronic devices may be requested to perform at least part of the function or service. One or more external electronic devices that have received the request may execute at least part of the requested function or service, or an additional function or service related to the request, and transmit the result of the execution to the electronic device 101. The electronic device 101 may process the result as is or additionally and provide it as at least part of a response to the request. For this purpose, for example, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology can be used. The electronic device 101 may provide an ultra-low latency service using, for example, distributed computing or mobile edge computing. In another embodiment, the external electronic device 104 may include an Internet of Things (IoT) device. Server 108 may be an intelligent server using machine learning and/or neural networks. According to one embodiment, the external electronic device 104 or server 108 may be included in the second network 199. The electronic device 101 may be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.

Electronic devices according to various embodiments disclosed in this document may be of various types. Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances. Electronic devices according to embodiments of this document are not limited to the above-described devices.

The various embodiments of this document and the terms used herein are not intended to limit the technical features described in this document to specific embodiments, but should be understood to include various changes, equivalents, or replacements of the embodiments. In connection with the description of the drawings, similar reference numbers may be used for similar or related components. The singular form of a noun corresponding to an item may include one or more of the above items, unless the relevant context clearly indicates otherwise. As used herein, “A or B”, “at least one of A and B”, “at least one of A or B”, “A, B or C”, “at least one of A, B and C”, and “A Each of phrases such as “at least one of , B, or C” may include any one of the items listed together in the corresponding phrase, or any possible combination thereof. Terms such as "first", "second", or "first" or "second" may be used simply to distinguish one element from another, and may be used to distinguish such elements in other respects, such as importance or order) is not limited. One (e.g. first) component is said to be "coupled" or "connected" to another (e.g. second) component, with or without the terms "functionally" or "communicatively". When mentioned, it means that any of the components can be connected to the other components directly (e.g. wired), wirelessly, or through a third component.

The term “module” used in various embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as logic, logic block, component, or circuit, for example. It can be used as A module may be an integrated part or a minimum unit of the parts or a part thereof that performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present document are one or more instructions stored in a storage medium (e.g., built-in memory 136 or external memory 138) that can be read by a machine (e.g., electronic device 101). It may be implemented as software (e.g., program 140) including these. For example, a processor (e.g., processor 120) of a device (e.g., electronic device 101) may call at least one command among one or more commands stored from a storage medium and execute it. This allows the device to be operated to perform at least one function according to the at least one instruction called. The one or more instructions may include code generated by a compiler or code that can be executed by an interpreter. A storage medium that can be read by a device may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' only means that the storage medium is a tangible device and does not contain signals (e.g. electromagnetic waves). This term refers to cases where data is stored semi-permanently in the storage medium. There is no distinction between temporary storage cases.

According to one embodiment, methods according to various embodiments disclosed in this document may be included and provided in a computer program product. Computer program products are commodities and can be traded between sellers and buyers. The computer program product may be distributed in the form of a machine-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play Store ^TM ) or on two user devices (e.g. It can be distributed (e.g. downloaded or uploaded) directly between smart phones) or online. In the case of online distribution, at least a portion of the computer program product may be at least temporarily stored or temporarily created in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.

According to various embodiments, each component (e.g., module or program) of the above-described components may include a single or plural entity, and some of the plurality of entities may be separately placed in other components. there is. According to various embodiments, one or more of the components or operations described above may be omitted, or one or more other components or operations may be added. Alternatively or additionally, multiple components (eg, modules or programs) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component of the plurality of components prior to the integration. . According to various embodiments, operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, or omitted. Alternatively, one or more other operations may be added.

FIG. 2 is a diagram illustrating a connection relationship between an electronic device and an external device according to an embodiment.

Referring to FIG. 2, an electronic device (e.g., electronic device 101 of FIG. 1) according to an embodiment can be easily connected (e.g., paired) with an external device 200 using bio hash. there is. The biohash of the user may be stored in advance in the memory of the electronic device 101 (e.g., memory 130 of FIG. 1). The electronic device 101 may store the user's biometric information or the biohash corresponding to the user's biometric information in a secure area (e.g., trusted execution environment (TEE)) of the memory 130. Here, the connection is made by the electronic device ( 101) may be paired with an external device 200 through short-range wireless communication (e.g., Bluetooth). The biohash may be generated using the characteristics (or characteristic points) of the user's biometric information. For example, if the biometric information is the same, the electronic device 101 may generate the biohash stored in the memory 130 and the external device 200 with substantially the same value even if the biohash is generated in different devices. By comparing the bio hash received from ), it is possible to authenticate whether the user is the same user without leaking the user's biometric information to the outside.

The external device 200 may include a first external device 201, a second external device 203, or a third external device 205. For example, the first external device 201 may be AR glasses or a head mounted display (HMD). The second external device 203 may be a laptop or tablet PC. The third external device 205 may be a TV. For example, the first external device 201 may have a first device characteristic, the second external device 203 may have a second device characteristic, and the third external device 205 may have a third device characteristic. . The biohash can be determined based on the device characteristics of each external device. The external device 200 is mainly described using AR glasses, laptops, and TVs as examples, but the embodiment is not limited thereto. The external device 200 may include various types of devices (eg, IoT devices) other than those shown in the drawings. Device characteristic information may include the type of external device and/or specification information of the external device.

For example, the first situation 210 may represent an example in which the first external device 201 and the electronic device 101 are connected. The first external device 201 may determine whether the user is wearing the first external device 201 through various sensors such as a proximity sensor or a strap adjustment. The first external device 201 may capture the iris of the user wearing the first external device 201 with a camera and generate the user's biohash (or biohash value) using the captured iris image. The first external device 201 may generate a pass code for communication connection with the first external device 201. The first external device 201 may encrypt the generated pass code with the generated biohash. The first external device 201 may generate a message including at least one of a tag, a pass code pair, or device information of the first external device 201.

The tag may indicate that the message is request data for acquiring (or receiving) device information. The pass code pair may include a one-time random value corresponding to the pass code (e.g., an unencrypted pass code) and a value encrypted with the pass code with a biohash (e.g., a pass code encrypted with the bio hash). The device information of the first external device 201 may include at least one of the name (eg, model name) of the first external device 201, device characteristic information, network identifier, network information, or communication channel information. The device characteristic information represents device characteristics (e.g., first device characteristics) of the first external device 201, and includes the type of the first external device 201 and/or specification information of the first external device 201. may include. For example, the device characteristic information may include information indicating that the type of the first external device 201 is AR glasses and/or information indicating that the first external device 201 includes a camera. . The network identifier may be an identifier that identifies the first external device 201 on the network. The network information is wireless communication information usable by the first external device 201 and may be, for example, information about Bluetooth, Wi-Fi, or UWB. The communication channel information is channel information for smooth network communication, and may be, for example, Bluetooth channel information or Wi-Fi channel information. The first external device 201 may broadcast the message using technology such as Bluetooth, ultra wide band (UWB), or Wi-Fi Aware.

The electronic device 101, which is a user's mobile device, can receive a broadcasted message, encrypt the pass code included in the message with a biohash stored in the memory 130, and authenticate the pass code. The message may include both an unencrypted passcode and an encrypted passcode. The electronic device 101 encrypts the pass code included in the message with the biohash stored in the memory 130 and determines whether the encrypted pass code matches the encrypted pass code included in the message, You can authenticate your pass code. Alternatively, the electronic device 101 decrypts the encrypted pass code included in the message with the biohash stored in the memory 130, and determines whether the decrypted pass code matches the unencrypted pass code included in the message. By determining , the pass code can be authenticated.

According to one embodiment, a plurality of bio hashes corresponding to a plurality of biometric information may be stored in the memory 130 of the electronic device 101. For example, the memory 130 includes the first biohash corresponding to the fingerprint, which is the first biometric information, the second biohash corresponding to the iris, which is the second biometric information, and the third biometric information, the biohash corresponding to the face. 3 Biohash can be stored. Each biometric information is an example to explain the content of the invention, and there may be no limit to the type. The electronic device 101 may determine which bio hash to use to authenticate the pass code based on the device information of the first external device 201. For example, if the device characteristics of the first external device 201 include AR glasses or a camera in the device characteristic information included in the device information of the first external device 201, the electronic device 101 The pass code can be authenticated by encrypting or decrypting the pass code with the corresponding second bio hash. If the device characteristics information does not include the device characteristics of the first external device 201, the electronic device 101 may sequentially use a plurality of bio hashes stored in the memory 130 to authenticate the pass code. . If the device information of the first external device 201 includes the device characteristic information of the first external device 201, the electronic device 101 stores the device characteristic information of the first external device 201 among the plurality of bio hashes. The pass code can be authenticated using one bio hash corresponding to .

When the pass code is authenticated, the electronic device 101 determines that the user wearing the first external device 201 is the same as the user of the electronic device 101, and sends the device information of the electronic device 101 to the first external device 201. It can be transmitted to the device 201. The electronic device 101 may transmit device information of the electronic device 101 to the first external device 201 based on the device information of the first external device 201 included in the message. Since the device information of the first external device 201 includes network information or communication channel information, the electronic device 101 uses the network information or communication channel information of the first external device 201 to control the electronic device 101. ) device information can be transmitted to the first external device 201. The device information of the electronic device 101 may include at least one of the name of the electronic device 101 (eg, model name), device characteristic information, network identifier, network information, or communication channel information. The device information of the electronic device 101 may include information about the electronic device 101 that is the same as or similar to the device information of the first external device 201.

The first external device 201 receives device information of the electronic device 101 from the electronic device 101 and connects (e.g., pairs) with the electronic device 101 based on the device information of the electronic device 101. You can. The first external device 201 may store device information of the electronic device 101 in a list of devices available for communication connection. According to one embodiment, when the first external device 201 is connected to the electronic device 101, the generated biohash or the generated pass code may be deleted for security purposes.

The second situation 230 may represent an example in which the second external device 203 and the electronic device 101 are connected. The second external device 203 may detect (or confirm) a request for screen linking (e.g., screen mirroring), data transfer, or clipboard use from the user. The second external device 203 may recognize the biometric information of the user requested to be used by the second external device 203 and generate the user's biohash using the recognized biometric information. The biometric information may be a face image or a fingerprint image, but there is no limitation on the type. Hereinafter, the biohash generated by the first external device 201 may be referred to as 'first biohash', and the biohash generated by the second external device 203 may be referred to as 'second biohash'. Here, the first bio hash and the second bio hash may be the same or different. Even if the biohash is created using biometric information for the same user, the biohash may be different if the biometric parts are different. For example, when the first external device 201 generates the first bio hash using the user's iris image, but the second external device 203 generates the second bio hash using the user's fingerprint image. , the first bio hash may be different from the second bio hash. Alternatively, when both the first external device 201 and the second external device 203 generate a bio hash using the user's iris image, the first bio hash may be the same as the second bio hash.

The second external device 203 may generate a pass code for the electronic device 101 to connect to the second external device 203 and encrypt the pass code with the second bio hash. The second external device 203 may select one of a tag, a pass code pair (e.g., a pass code (e.g., an unencrypted pass code), a pass code encrypted with a second bio hash), or device information of the second external device 203. A message containing at least one can be broadcast. Hereinafter, the pass code generated by the first external device 201 may be referred to as a 'first pass code', and the pass code generated by the second external device 203 may be referred to as a 'second pass code'. Additionally, the message broadcast from the first external device 201 may be referred to as a 'first message', and the message broadcast from the second external device 203 may be referred to as a 'second message'. The second external device 203 may broadcast the second message using technology such as Bluetooth, UWB, or Wi-Fi Aware. The tag may indicate that the second message is request data for obtaining device information.

The device information of the second external device 203 may include at least one of the name (eg, model name) of the second external device 203, device characteristic information, network identifier, network information, or communication channel information. The device characteristic information represents device characteristics (e.g., second device characteristics) of the second external device 203, and includes the type of the second external device 203 and/or specification information of the second external device 203. may include. For example, the device characteristic information may include information indicating that the type of the second external device 203 is a laptop and/or information indicating that the second external device 203 includes a camera or a fingerprint sensor. You can. The network identifier may be an identifier that identifies the second external device 203 on the network. The network information is wireless communication information usable by the second external device 203 and may be, for example, information about Bluetooth, Wi-Fi, or UWB. The communication channel information is channel information for smooth network communication, and may be, for example, Bluetooth channel information or Wi-Fi channel information. The device information of the second external device 203 may include information about the second external device 203 that is the same as or similar to the device information of the first external device 201 .

The electronic device 101 may receive the broadcasted second message, encrypt the second pass code included in the second message with the biohash stored in the memory 130, and authenticate the second pass code. . The second message may include both an unencrypted second pass code and an encrypted second pass code. The electronic device 101 encrypts the second pass code included in the second message with the biohash stored in the memory 130, and the encrypted second pass code is converted into an encrypted second pass code included in the second message. The second pass code can be authenticated by determining whether it matches the code. Alternatively, the electronic device 101 decrypts the encrypted second pass code included in the second message using the biohash stored in the memory 130, and the decrypted second pass code is used to encrypt the encrypted second pass code included in the second message. The second pass code can be authenticated by determining whether it matches an unknown second pass code.

According to one embodiment, the memory 130 of the electronic device 101 includes a first biohash corresponding to a fingerprint, which is the first biometric information, a second biohash corresponding to the iris, which is the second biometric information, and a third biometric information. Information, a third biohash corresponding to the face, may be stored. The electronic device 101 may determine which biohash to use to authenticate the second pass code based on device information of the second external device 203. For example, the device characteristics information included in the device information of the second external device 203 includes a laptop (e.g., second device characteristics), a camera, or a fingerprint sensor. In this case, the electronic device 101 may authenticate the second pass code by encrypting or decrypting the second pass code with the first bio hash corresponding to the fingerprint. If the device characteristic information does not include the device characteristics of the second external device 203, the electronic device 101 sequentially uses a plurality of bio hashes stored in the memory 130 to authenticate the second pass code. You can. If the device characteristic information of the second external device 203 is included in the device information of the second external device 203, the electronic device 101 selects the device of the second external device 203 among the plurality of bio hashes. The second pass code can be authenticated using a biohash corresponding to characteristic information.

When the second pass code is authenticated, the electronic device 101 determines that the user requesting a connection from the second external device 203 is the same as the user of the electronic device 101, and provides device information of the electronic device 101. 2 Can be transmitted to an external device (203). The electronic device 101 may transmit the device information of the electronic device 101 to the second external device 203 based on the device information of the second external device 203 included in the second message. Since the device information of the second external device 203 includes network information or communication channel information, the electronic device 101 uses the network information or communication channel information of the second external device 203 to control the electronic device 101. ) device information can be transmitted to the second external device 203.

The second external device 203 receives device information of the electronic device 101 from the electronic device 101 and connects (e.g., pairs) with the electronic device 101 based on the device information of the electronic device 101. You can. The second external device 203 may store device information of the electronic device 101 in a list of devices available for communication connection. According to one embodiment, when the second external device 203 is connected to the electronic device 101, it may delete the generated second bio hash or the generated second pass code.

The third situation 250 may represent an example in which the third external device 205 and the electronic device 101 are connected. The third external device 205 may detect (or confirm) a request for screen linking (e.g., screen mirroring), data transfer, or clipboard use from the user. The third external device 205 may recognize the user's biometric information requested to be used by the third external device 205 and generate the user's biohash using the recognized biometric information. The biometric information may be a facial image. Hereinafter, the biohash generated by the third external device 205 may be referred to as the 'third biohash'. Here, the third bio hash may be the same as or different from the first bio hash or the second bio hash. For example, when the first external device 201 generates the first bio hash using the user's iris image, but the third external device 205 generates the third bio hash using the user's face image. , the first bio hash may be different from the third bio hash. Alternatively, when the first external device 201 to the third external device 205 all generate bio hashes using the user's face image, the first bio hash to the third bio hash may all be the same. .

The third external device 205 may generate a pass code for the electronic device 101 to connect to the third external device 205 and encrypt the pass code with the third bio hash. The third external device 205 broadcasts a message containing at least one of a pass code (e.g., an unencrypted pass code), a pass code encrypted with the second bio hash, or device information of the second external device 203. can do. Hereinafter, the pass code generated by the third external device 205 may be referred to as the 'third pass code'. Additionally, a message broadcast from the third external device 205 may be referred to as a 'third message'. The third external device 205 may broadcast the third message using technology such as Bluetooth, UWB, or Wi-Fi Aware. The third message may include a tag indicating that the third message is request data for obtaining device information.

The device information of the third external device 205 may include at least one of the name (eg, model name) of the third external device 205, device characteristic information, network identifier, network information, or communication channel information. The device characteristic information indicates device characteristics (e.g., third device characteristics) of the third external device 205, and includes the type of the third external device 205 and/or specification information of the third external device 205. may include. For example, the device characteristic information may include information indicating that the type of the third external device 205 is a TV and/or information indicating that the third external device 205 includes a camera. The network identifier may be an identifier that identifies a third external device 205 on the network. The network information is wireless communication information usable by the third external device 205 and may be, for example, information about Bluetooth, Wi-Fi, or UWB. The communication channel information is channel information for smooth network communication, and may be, for example, Bluetooth channel information or Wi-Fi channel information. The device information of the third external device 205 may include information about the third external device 205 that is the same as or similar to the device information of the first external device 201.

The electronic device 101 may receive the broadcasted third message, encrypt the third pass code included in the third message with the biohash stored in the memory 130, and authenticate the third pass code. . The third message may include both an unencrypted third pass code and an encrypted third pass code. The electronic device 101 encrypts the third pass code included in the third message with the biohash stored in the memory 130, and the encrypted third pass code is converted into an encrypted third pass code included in the third message. The third pass code can be authenticated by determining whether it matches the code. Alternatively, the electronic device 101 decrypts the encrypted third pass code included in the third message with the biohash stored in the memory 130, and the decrypted third pass code is used to encrypt the third message included in the third message. The third pass code can be authenticated by determining whether it matches an unknown third pass code.

According to one embodiment, the memory 130 of the electronic device 101 includes a first biohash corresponding to a fingerprint, which is the first biometric information, a second biohash corresponding to the iris, which is the second biometric information, and a third biometric information. Information, a third biohash corresponding to the face, may be stored. The electronic device 101 may determine which biohash to use to authenticate the third pass code based on device information of the third external device 205. For example, if the device characteristics of the third external device 205 include TV or camera in the device characteristic information included in the device information of the third external device 205, the electronic device 101 corresponds to the face. The third pass code can be authenticated by encrypting or decrypting the third pass code with the third bio hash. If the device characteristic information does not include the device characteristics of the third external device 205, the electronic device 101 sequentially uses a plurality of bio hashes stored in the memory 130 to authenticate the third pass code. You can. If the device information of the third external device 205 includes the device characteristic information of the third external device 205, the electronic device 101 may select the device characteristic information of the third external device 205 from among the plurality of bio hashes. The third pass code can be authenticated using one bio hash corresponding to .

When the third pass code is authenticated, the electronic device 101 determines that the user requesting the connection from the third external device 205 is the same as the user of the electronic device 101, and provides device information of the electronic device 101. 3 Can be transmitted to an external device (205). The electronic device 101 may transmit the device information of the electronic device 101 to the third external device 205 based on the device information of the third external device 205 included in the third message. Since the device information of the third external device 205 includes network information or communication channel information, the electronic device 101 uses the network information or communication channel information of the third external device 205 to control the electronic device 101. ) device information can be transmitted to a third external device 205.

The third external device 205 receives device information of the electronic device 101 from the electronic device 101 and connects (e.g., pairs) with the electronic device 101 based on the device information of the electronic device 101. You can. The third external device 205 may store device information of the electronic device 101 in a list of devices available for communication connection. According to one embodiment, when the third external device 205 is connected to the electronic device 101, the third external device 205 may delete the generated third bio hash or the generated third pass code.

Figure 3 is a block diagram of an external device according to an embodiment.

Referring to FIG. 3, an external device (e.g., external device 200 of FIG. 2) according to an embodiment includes a display module 320, a communication module 340, a memory 350, and a processor 390. can do. Some of the components included in the external device 200 may be omitted, or components not included may be newly added. For example, if the external device 200 corresponds to AR glasses (eg, the first external device 201 in FIG. 2), components such as glasses, a sensor module, or a camera module may be further included. If the external device 200 corresponds to a laptop (e.g., the second external device 203 in FIG. 2), components such as a camera module may be further included. According to one embodiment, the external device 201 Components included may be understood as, for example, hardware modules (e.g., circuitry).

According to one embodiment, the display module 320 may visually provide information to the outside of the external device 200 (eg, a user). The display module 320 may include, for example, a display, a hologram device, or a projector, and a control circuit for controlling the device. The communication module 340 may correspond to the wireless communication module 192 as illustrated in FIG. 1 . According to one embodiment, the external device 200 uses the communication module 340 to communicate with an external device (e.g., the server 201 of FIG. 1 and/or other electronic devices 101, 102, and 104) through a network. Wireless communication can be performed. For example, the external device 200 may perform wireless communication with the electronic device 101 and exchange commands and/or data with each other.

According to one embodiment, the communication module 340 may include an antenna module 345. For example, the communication module 340 may support various technologies (e.g., beamforming, multiple input/output (MIMO), and/or array antenna) to secure performance in a designated frequency band. there is. According to one embodiment, the antenna module 345 may transmit a signal or power to or receive a signal or power from the outside (eg, a peripheral device and/or a server of the external device 200). According to some embodiments, the antenna module 345 may include a plurality of antennas (eg, an array antenna). According to one embodiment, signals or power may be transmitted or received between the communication module 340 and the outside through the antenna module 345.

The memory 350 may correspond to the memory 130 as described in the description with reference to FIG. 1 . According to one embodiment, the memory 350 may store various data used by the external device 200. Data may include, for example, input data or output data for software (eg, program 140 in FIG. 1) and commands related thereto. The memory 350 may store instructions that enable the processor 390 to operate. Instructions may be stored as software on memory 350 and may be executable by processor 390.

The processor 390 may execute a program (e.g., program 140 of FIG. 1) stored in the memory 350 to control at least one other component (e.g., a hardware or software component) and store various data. Processing or calculations can be performed. The processor 390 may generate a bio hash and a pass code when a connection to an electronic device (e.g., the electronic device 101 of FIG. 1) is requested. The processor 390 may generate a message including a pass code encrypted with the generated biohash. The processor 390 may generate a message including at least one of a tag, a pass code pair, or device information of the external device 200. The tag may indicate that the message is request data for obtaining device information. The pass code pair may include an unencrypted pass code and a pass code encrypted with biohash. The device information of the external device 200 may include at least one of the name of the external device 200 (eg, model name), device characteristic information, network identifier, network information, or communication channel information.

The processor 390 may broadcast the generated message through the communication module 340 and receive device information of the electronic device 101 from the electronic device 101 that has received the broadcasted message. The processor 390 may check the device information of the electronic device 101 and store the device information of the electronic device 101 in a list of devices capable of communication connection. The processor 390 may connect (e.g., pair) with the electronic device 101 based on device information of the electronic device 101.

An electronic device according to an embodiment of the present disclosure includes at least one communication module 190, a memory 130 that stores biometric information of a user and a biohash corresponding to the biometric information, and the at least one communication module, or a processor 120 operatively connected to at least one of the memories, wherein the processor receives at least one of a pass code pair and device information of the external device from the external device 200 through the at least one communication module. Receive a message containing, authenticate a pass code associated with the external device using the biohash and the pass code pair stored in the memory, and send device information of the electronic device to the external device based on the authentication result. and may be set to connect with the external device based on a request from the external device through the at least one communication module.

The pass code pair may include a first pass code encrypted with the bio hash and a second pass code corresponding to the pass code.

The processor decrypts the first pass code included in the pass code pair with the bio hash stored in the memory, and determines whether the decrypted pass code is the same as the second pass code included in the pass code pair. Thus, it can be set to authenticate the pass code associated with the external device.

The processor encrypts the second pass code included in the pass code pair with the bio hash stored in the memory, and determines whether the encrypted pass code is the same as the first pass code included in the pass code pair. Thus, it can be set to authenticate the pass code associated with the external device.

The processor may be set to determine which bio hash among a plurality of bio hashes to use to authenticate the pass code based on device information of the external device.

The processor identifies device characteristic information of the external device included in device information of the external device, and when the identified device characteristic information corresponds to the first device characteristic, the first device characteristic among the plurality of bio hashes Authenticate the pass code using the first bio hash associated with the device, and if the identified device characteristic information corresponds to the second device characteristic, use the second bio hash associated with the second device characteristic among a plurality of bio hashes. The pass code is authenticated, and the first bio hash and the second bio hash are stored in the memory and may be different from each other.

When the pass code is authenticated, the processor may be set to determine that the user using the external device is the same as the user of the electronic device and transmit device information of the electronic device to the external device.

Figure 4 is a flowchart illustrating a method of connecting an electronic device and an external device according to an embodiment.

Referring to FIG. 4, in operation 401, an electronic device (eg, the electronic device 101 and the processor 120 of FIG. 1) according to an embodiment may generate and store a biohash. The bio hash (or bio hash value) may be generated using the characteristics (or characteristic points) of the user's biometric information. If the biometric information is the same, the biohash can be generated with the same value even if the biohash is generated by different devices. A plurality of bio hashes corresponding to a plurality of biometric information may be stored in the memory of the electronic device 101 (e.g., memory 130 of FIG. 1). For example, the memory 130 includes the first biohash corresponding to the fingerprint, which is the first biometric information, the second biohash corresponding to the iris, which is the second biometric information, and the third biometric information, the biohash corresponding to the face. 3 Biohash can be stored. According to one embodiment, the first bio hash may include a 1-1 bio hash for a first fingerprint (e.g., thumb), or a 1-2 bio hash for a second fingerprint (e.g., index finger). there is.

The electronic device 101 recognizes the user's fingerprint through a fingerprint sensor (e.g., the sensor module 176 in FIG. 1), extracts a feature point from the recognized fingerprint image, and uses the extracted feature point to identify the user's fingerprint. A first biohash can be generated. The electronic device 101 photographs the user's iris using a camera module (e.g., the camera module 180 in FIG. 1), extracts feature points from the captured iris image, and corresponds to the iris using the extracted feature points. A second biohash can be generated. Alternatively, the electronic device 101 may photograph the user's face using the camera module 180, extract feature points from the photographed face image, and generate a third biohash corresponding to the face using the extracted feature points. You can.

In operation 403, an external device (eg, external device 200 in FIG. 2) may detect a connection request. The external device 200 may be AR glasses (e.g., the first external device 201 in FIG. 2), a laptop (e.g., the second external device 203 in FIG. 2), or a TV (e.g., the third external device in FIG. 2). It may include a device 205). The connection request is a request for connection with another device, and may include, for example, detecting that the user is wearing the external device 200, or receiving a request for screen linking, data transfer, or clipboard use. . The connection request may vary depending on the device characteristics of the external device.

At operation 405, the external device 200 may generate a biohash. For example, the external device 200 (e.g., the first external device 201) captures the user's iris using a camera (e.g., the camera module 370 of FIG. 3) and uses the captured iris image. Thus, the biohash can be generated. The external device 200 may extract feature points from the iris image and generate a biohash corresponding to the iris using the extracted feature points. Alternatively, the external device 200 (eg, the second external device 203) may recognize the user's fingerprint through a fingerprint sensor and generate the biohash using the recognized fingerprint image. The external device 200 may extract feature points from the fingerprint image and generate a biohash corresponding to the fingerprint using the extracted feature points. Alternatively, the external device 200 (eg, the third external device 205) may photograph the user's face using a camera and generate the biohash using the photographed facial image. The external device 200 may extract feature points from the face image and generate a biohash corresponding to the face using the extracted feature points.

According to one embodiment, the external device 200 may generate at least one biohash according to device characteristics of the external device 200. For example, if the external device 200 is AR glasses, a bio-hash corresponding to the iris is generated, and if the external device 200 is a laptop, a bio-hash corresponding to the fingerprint is generated, and the external device 200 If is a TV, a biohash corresponding to the face can be generated. This is only an implementation issue and does not limit the present invention to the description.

At operation 407, the external device 200 may generate a pass code. The pass code may be a one-time random value generated to connect to the external device 200. The external device 200 may encrypt the generated pass code with the generated biohash.

In operation 409, the external device 200 may generate a message including a pass code encrypted with biohash. For example, the external device 200 may generate a message including at least one of a tag, a pass code pair, or device information of the external device 200. The tag may indicate that the message is request data for obtaining device information. The pass code pair may include an unencrypted pass code and a pass code encrypted with biohash. The device information of the external device 200 may include at least one of the name of the external device 200 (eg, model name), device characteristic information, network identifier, network information, or communication channel information. The device characteristic information represents the device characteristics of the external device 200, for example, information indicating that the type of the external device 200 corresponds to AR glasses, a laptop, or a TV, and/or the external device 200 It may include information indicating that a camera or fingerprint sensor is included. The network identifier may be an identifier that identifies the external device 200 on the network. The network information is wireless communication information usable by the external device 200, and may be, for example, information about Bluetooth, Wi-Fi, or UWB. The communication channel information is channel information for smooth network communication, and may be, for example, Bluetooth channel information or Wi-Fi channel information.

In operation 411, the external device 201 may broadcast the message. The external device 201 may broadcast the message using communication technology such as Bluetooth, UWB, or Wi-Fi Aware.

In operation 413, the electronic device 101 can authenticate the pass code included in the message using the stored biohash. The electronic device 101 can receive the message broadcast from the external device 201 using communication technology such as Bluetooth, UWB, or Wi-Fi Aware. The electronic device 101 may identify (or extract) the pass code pair included in the message. The electronic device 101 may encrypt the pass code included in the extracted pass code pair with the stored bio hash and determine whether the encrypted pass code matches the encrypted pass code included in the pass code pair. . Alternatively, the electronic device 101 decrypts the encrypted pass code included in the extracted pass code pair with the stored bio hash and determines whether the decrypted pass code matches the pass code included in the pass code pair. You can. If the pass codes match, the electronic device 101 may determine that the user wearing (or using) the external device 200 and the user of the electronic device 101 are the same user.

According to one embodiment, the electronic device 101 may determine which biohash to use to authenticate the pass code based on device information of the external device 200. For example, the device characteristic information included in the device information of the external device 200 includes information indicating that the type of the external device 200 is AR glasses and/or information indicating that the external device 200 includes a camera. If included, the electronic device 101 can authenticate the pass code by encrypting or decrypting the pass code with the second bio hash corresponding to the iris. Alternatively, if the device information of the external device 200 does not include device characteristic information of the external device 200, the electronic device 101 sequentially uses a plurality of bio hashes stored in the memory 130 to pass the You can authenticate the code. If the device characteristic information includes device characteristic information of the external device 200, the electronic device 101 uses one bio hash corresponding to the device characteristic information of the external device 200 among the plurality of bio hashes. You can authenticate your pass code.

In operation 415, the electronic device 101 may transmit device information of the electronic device 101 to the external device 200. The electronic device 101 may transmit device information of the electronic device 101 to the external device 200 based on the device information of the external device 200 included in the message. Since the device information of the external device 200 includes network information or communication channel information, the electronic device 101 uses the network information or communication channel information of the external device 200 to provide device information of the electronic device 101. can be transmitted to the external device 200. The device information of the electronic device 101 may include at least one of the name of the electronic device 101 (eg, model name), device characteristic information, network identifier, network information, or communication channel information. The device information of the electronic device 101 may include information about the electronic device 101 that is the same as or similar to the device information of the external device 200.

In operation 417, the external device 200 can check device information of the electronic device 101. The external device 200 may receive device information of the electronic device 101 from the electronic device 101 and store the device information of the electronic device 101 in a list of communication connectable devices.

In operation 419, the external device 200 may connect (e.g., pair) with the electronic device 101 based on device information of the electronic device 101. For example, if the electronic device 101 is capable of UWB communication, the external device 200 may connect to the electronic device 101 for UWB communication or may communicate with the electronic device 101 through Bluetooth or Wi-Fi. According to one embodiment, when the first external device 201 is connected to the electronic device 101, the generated biohash or the generated pass code may be deleted for security purposes.

According to one embodiment, the external device 200 may provide the list of communication connectable devices upon a user's request while connected to the electronic device 101. The external device 200 may select one device from the list of communication connectable devices based on user input. When a device is selected from the list of devices available for communication connection, the external device 200 can switch the device for communication connection to the device selected from the electronic device 101. For example, the external device 200 may disconnect from the electronic device 101, perform a process to connect to the selected device, and connect to the selected device.

FIG. 5 is a diagram illustrating an example of generating biohash in an electronic device according to an embodiment.

Referring to FIG. 5, an electronic device (e.g., the electronic device 101 of FIG. 1) according to an embodiment acquires the user's biometric information 510 and creates a feature point 530 from the acquired biometric information 510. The biohash 550 can be extracted and generated based on the extracted feature points 530. For example, the biometric information 510 may include at least one of a fingerprint image 501, an iris image 503, or a face image 505. For example, the electronic device 101 extracts a feature point from the fingerprint image 501 acquired through a fingerprint sensor (e.g., the sensor module 176 in FIG. 1) and uses the extracted feature point to create a first feature corresponding to the fingerprint. Biohash 551 can be generated. The electronic device 101 extracts a feature point from the iris image 503 acquired using a camera module (e.g., the camera module 180 in FIG. 1) and creates a second bio hash corresponding to the iris using the extracted feature point. (553) can be generated. Alternatively, the electronic device 101 may extract feature points from the face image 505 acquired using the camera module 180 and generate a third bio hash 555 corresponding to the face using the extracted feature points. there is.

FIG. 6 is a flowchart 600 illustrating a method of operating an electronic device according to an embodiment.

Referring to FIG. 6, in operation 601, a processor (e.g., processor 120 of FIG. 1) of an electronic device (e.g., electronic device 101 of FIG. 1) according to an embodiment operates a communication module (e.g., FIG. 1). A broadcast message can be received through the communication module 190). The message may be transmitted by an external device (e.g., the external device 200 of FIG. 2) to an unspecified number of devices located nearby. The message may include at least one of a tag, a pass code pair, or device information of the external device 200. The tag may indicate that the message is request data for obtaining device information. The pass code pair includes a one-time random value corresponding to the pass code of the external device 200 (e.g., unencrypted pass code) and a value encrypted with the pass code with bio hash (e.g., pass code encrypted with bio hash). may include. The device information of the external device 200 may include at least one of the name of the external device 200 (eg, model name), device characteristic information, network identifier, network information, or communication channel information.

According to one embodiment, the biohash of the user may be stored in advance in the memory of the electronic device 101 (e.g., memory 130 of FIG. 1). The electronic device 101 may store the user's biometric information or the biohash corresponding to the user's biometric information in the secure area of the memory 130. For example, the memory 130 includes the first biohash corresponding to the fingerprint, which is the first biometric information, the second biohash corresponding to the iris, which is the second biometric information, and the third biometric information, the biohash corresponding to the face. 3 Biohash can be stored.

In operation 603, the processor 120 may authenticate the pass code included in the message using the stored biohash. The processor 120 encrypts the pass code included in the message with the biohash stored in the memory 130, and determines whether the encrypted pass code matches the encrypted pass code included in the message, thereby You can authenticate the code. Alternatively, the processor 120 decrypts the encrypted pass code included in the message using the biohash stored in the memory 130, and determines whether the decrypted pass code matches the unencrypted pass code included in the message. By determining, the pass code can be authenticated.

According to one embodiment, the processor 120 may determine which bio hash to use to authenticate the pass code based on device information of the external device 200. For example, device characteristic information included in the device information of the external device 200 includes information indicating that the type of the external device 200 is AR glasses and/or information indicating that the external device 200 includes a camera. If included, the processor 120 can authenticate the pass code by encrypting or decrypting the pass code with the second bio hash corresponding to the iris. If the device characteristic information does not include device characteristic information of the external device 200, the processor 120 may sequentially use a plurality of bio hashes stored in the memory 130 to authenticate the pass code. If the device characteristic information includes device characteristic information of the external device 200, the processor 120 uses one bio hash corresponding to the device characteristic information of the external device 200 among the plurality of bio hashes. You can authenticate your pass code.

In operation 605, the processor 120 may transmit device information of the electronic device 101. When the pass code is authenticated, the processor 120 determines that the user wearing (or using) the external device 200 is the same as the user of the electronic device 101, and sends the device information of the electronic device 101 to the external device 101. It can be transmitted to the device 200. The processor 120 may transmit device information of the electronic device 101 to the external device 200 based on the device information of the external device 200 included in the message. Since the device information of the external device 200 includes network information or communication channel information, the processor 120 uses the network information or communication channel information of the external device 200 to obtain device information of the electronic device 101. It can be transmitted to an external device 200. The device information of the electronic device 101 may include at least one of the name of the electronic device 101 (eg, model name), device characteristic information, network identifier, network information, or communication channel information. The device information of the electronic device 101 may include information about the electronic device 101 that is the same as or similar to the device information of the external device 200.

In operation 607, the processor 120 may connect to the external device 200. The external device 200 that has received the device information of the electronic device 101 may request a connection to the electronic device 101 based on the device information of the electronic device 101. The processor 120 may establish a communication connection with the external device 200 in response to a connection request from the external autonomous device 200. For example, the processor 120 may communicate with the external device 200 through the communication module 190. After a communication connection, the processor 120 may transmit data (or a file) (e.g., at least one of text, image, video, or document) to the external device 200, or may receive data from the external device 200. . When the processor 120 receives a data transfer command from the external device 200, it connects to another electronic device (e.g., the electronic device 102 of FIG. 1) according to the data transfer command, and transmits the memory 130 to the other electronic device. Data stored in can be transmitted.

FIG. 7 is a diagram illustrating a user interface for biohash registration in an electronic device according to an embodiment.

Referring to FIG. 7, an electronic device (e.g., the electronic device 101 of FIG. 1) according to an embodiment displays a lock screen and a first user interface 710 related to security (e.g., the display module (e.g., the display module of FIG. 1) 160)). The first user interface 710 may include various menus (or items) such as screen lock method, fingerprint recognition, iris recognition, biohash, and security lock detailed settings. When the user selects the bio hash registration item 701 in the first user interface 710, the electronic device 101 may provide a second user interface 750 for bio hash registration. The second user interface 750 may include a check box 751 for selecting whether to register the biohash corresponding to the face when recognizing the face. When the check box 751 is selected, the electronic device 101 photographs the user's face through a camera (e.g., the camera module 180 in FIG. 1) and creates a biohash corresponding to the face based on the photographed face image. can be created. The acquired face image (or feature information extracted from the face image) or the generated biohash may be stored in a secure area of the memory (eg, memory 130 in FIG. 1). If the check box 751 is not selected, the electronic device 101 may photograph the user's face and store the photographed facial image in the secure area of the memory 130. Although FIG. 7 illustrates an example of face recognition, the same can be applied to biometric information such as iris or fingerprint.

Figure 8 is a flowchart illustrating a method of connecting an external device to an electronic device using biohash according to an embodiment.

Referring to FIG. 8, in operation 801, a processor (e.g., processor 390 of FIG. 3) of an external device (e.g., external device 200 of FIG. 2) according to an embodiment may detect a connection request. . The connection request is made when the proximity sensor (e.g., proximity sensor 331 in FIG. 3) detects that the external device 200 is worn (e.g., when the external device 200 is AR glasses), the processor 120 It may be determined that a connection request has been detected. Alternatively, when the processor 120 receives a request for screen linking, data transfer, or clipboard use from the user (e.g., when the external device 200 is a laptop or TV), the processor 120 may determine that the connection request has been detected. . The connection request may vary depending on the external device 200.

At operation 803, processor 390 may generate a biohash. When the connection request is detected, the processor 390 may obtain the user's biometric information and generate a biohash based on the obtained biometric information. For example, when the external device 200 is AR glasses, the processor 390 acquires an iris image as the user's biometric information, extracts feature points from the obtained iris image, and stores the iris based on the extracted feature points. A corresponding biohash can be generated. When the external device 200 is a laptop or tablet PC, the processor 390 acquires a fingerprint image as the user's biometric information, extracts a characteristic point from the obtained fingerprint image, and generates a fingerprint corresponding to the fingerprint based on the extracted characteristic point. Biohash can be created. When the external device 200 is a laptop, tablet PC, or TV, the processor 390 acquires a facial image as the user's biometric information, extracts feature points from the acquired facial image, and creates a face based on the extracted feature points. A corresponding biohash can be generated.

At operation 805, processor 390 may generate a pass code. The pass code may be a one-time random value needed to establish a communication connection with the external device 200. The processor 390 may encrypt the generated pass code with the generated biohash.

In operation 807, processor 390 may generate a message containing a pass code encrypted with biohash. The processor 390 may generate a message including at least one of a tag, a pass code pair, or device information of the external device 200. The tag may indicate that the message is request data for obtaining device information. The pass code pair may include a one-time random value corresponding to the pass code (e.g., an unencrypted pass code) and a value encrypted with the pass code with a biohash (e.g., a pass code encrypted with the bio hash). The device information of the external device 200 may include at least one of the name of the external device 200 (eg, model name), device characteristic information, network identifier, network information, or communication channel information. The network identifier may be an identifier that identifies the external device 200 on the network. The network information is wireless communication information usable by the external device 200, and may be, for example, information about Bluetooth, Wi-Fi, or UWB. The communication channel information is channel information for smooth network communication, and may be, for example, Bluetooth channel information or Wi-Fi channel information.

At operation 809, processor 390 may broadcast a message. The message may be transmitted to an unspecified number of devices located around the external device 200. The processor 390 may broadcast the message using a communication technology such as Bluetooth, UWB, or Wi-Fi Aware through a communication module (e.g., the communication module 340 in FIG. 3).

In operation 811, the processor 390 may receive device information of an electronic device (eg, the electronic device 101 of FIG. 1). The device information of the electronic device 101 may include at least one of the name of the electronic device 101 (eg, model name), device characteristic information, network identifier, network information, or communication channel information. The device information of the electronic device 101 may include information about the electronic device 101 that is the same as or similar to the device information of the external device 200.

In operation 813, the processor 390 may connect to the electronic device 101 based on device information. The processor 390 requests a communication connection from the electronic device 101 through the communication module 340, and when a response is received from the electronic device 101 in response to the request, the processor 390 may establish a communication connection with the electronic device 101. The processor 120 may communicate with the electronic device 101 through the communication module 340. After a communication connection, the processor 120 may receive data (or files) (e.g., at least one of text, image, video, and document) from the electronic device 101, or transmit data or commands to the electronic device 101. there is.

According to one embodiment, when device information is received from one electronic device, the processor 390 may connect to the electronic device based on the device information. Alternatively, when device information is received from a plurality of electronic devices, the processor 390 may select at least one electronic device from the plurality of electronic devices. For example, the processor 390 measures the distance between the external device 200 and a plurality of electronic devices based on UWB communication, and selects the electronic device 101 located at the closest distance among the measured distances. You can. Alternatively, the processor 390 acquires a front image of the user through the camera module 370 and exists in front or within the viewing angle of the user based on the acquired front image and the distance between the external device 200 and the plurality of electronic devices. The electronic device 101 can be selected. Alternatively, the processor 390 may provide a list of connectable devices and select at least one electronic device from among a plurality of electronic devices based on user input (e.g., touch, gesture, voice) from the provided device list. While connecting to the electronic device 101, the processor 390 may provide a list of communication connectable devices according to a user's request, and change a device to be connected to communication based on the user's input from the list of communication connectable devices. .

FIG. 9 is a diagram illustrating an example of a device connection request from an external device according to an embodiment.

Referring to FIG. 9, first reference numeral 910 indicates that an external device (e.g., external device 200 of FIG. 2) according to an embodiment may generate a biohash upon detecting a user's connection request. . For example, first reference numeral 910 represents an example of detecting a connection request when the external device 200 is AR glasses. When the external device 200 determines that the user is wearing the external device 200 through a proximity sensor included in the sensor module 300 (e.g., the proximity sensor 331 in FIG. 3) or by adjusting the strap, it requests a connection. It can be judged that there is. Second reference numeral 930 represents an example of detecting a connection request when the external device 200 is a TV. When the external device 200 receives a request for screen linking, data transfer, or clipboard use from the user, or when it is determined that the user is using the external device 200, it may determine that there is a connection request.

Figure 10 is a diagram illustrating an example of a message received from an external device according to an embodiment.

Referring to FIG. 10, an external device (e.g., external device 200 of FIG. 2) according to an embodiment includes a tag 1001, an encrypted pass code 1003, a pass code 1005, and an external device 200. A message 1000 containing at least one of the device information 1007 can be generated. The tag 1001 may indicate that the message 1000 is request data for obtaining device information. The external device 200 may generate a pass code pair consisting of an encrypted pass code 1003 and a pass code 105. The encrypted pass code 1003 may include the pass code 1005 as a biohash-encrypted value and a biohash-encrypted passcode. The pass code 1005 is a one-time random value corresponding to the pass code and may be an unencrypted pass code. The device information 1007 of the external device 200 may include at least one of the name of the external device 200 (eg, model name), device characteristic information, network identifier, network information, or communication channel information.

FIG. 11 is a diagram illustrating an example of connecting an external device to another electronic device according to an embodiment.

Referring to FIG. 11, an external device (e.g., the external device 200 of FIG. 2) according to an embodiment communicates with the first electronic device 1110 using the biohash of the first user 1101, or Alternatively, communication can be established with the second electronic device 1130 using the biohash of the second user 1103. When the external device 200 recognizes the first user 1101 through a camera (eg, the camera module 370 of FIG. 3), it may determine that there is a connection request. The external device 200 may obtain biometric information (eg, facial image) of the first user 1101 from the camera module 370 and generate a first biohash based on the obtained biometric information. The external device 200 may broadcast a message encrypting the pass code with the first bio hash and receive device information of the first electronic device 1110 from the first electronic device 1110 in response to the message. . The external device 200 may establish a communication connection with the first electronic device 1110 based on device information of the first electronic device 1110.

Alternatively, the external device 200 may obtain biometric information (eg, facial image) of the second user 1103 from the camera module 370 and generate a second biohash based on the acquired biometric information. The external device 200 may broadcast a message encrypting the pass code with the second bio hash and receive device information of the second electronic device 1130 from the second electronic device 1130 in response to the message. . The external device 200 may establish a communication connection with the second electronic device 1130 based on device information of the second electronic device 1130.

According to one embodiment, the external device 200 may establish a communication connection with the second electronic device 1130 after terminating the communication connection with the first electronic device 1110. Alternatively, the external device 200 may be connected to the second electronic device 1130 while being connected to the first electronic device 1110 .

FIG. 12 is a flowchart illustrating a method of connecting an external device to another electronic device according to an embodiment.

In operation 1201-1, the first electronic device (e.g., the electronic device 101 of FIG. 1) according to an embodiment may store the first bio hash. The first bio hash may be generated based on biometric information corresponding to the first user of the first electronic device 101. The first bio hash may be stored in a secure area of the memory (eg, memory 130 of FIG. 1) included in the first electronic device 101.

In operation 1201-2, the second electronic device 1200 (e.g., the electronic device 101 of FIG. 1) according to an embodiment may store the second bio hash. The second bio hash may be generated based on biometric information corresponding to the second user of the second electronic device 1200. The second bio hash may be stored in a secure area of the memory (eg, memory 130 of FIG. 1) included in the second electronic device 1200.

Operations 1201-1 and 1201-2 are not related to the operation order, and may indicate that the biohash corresponding to each user is stored in each electronic device before connection with the external device 200. Additionally, the first biohash is for the first user and the second biohash is for the second user, which may mean that different users, not the same user, store their biohash on their electronic devices. there is.

In operation 1203, an external device (eg, the external device 200 of FIG. 2) according to an embodiment may be connected to the first electronic device 101. The connection may mean that the external device 200 is paired with the first electronic device 101 through short-range wireless communication (eg, Bluetooth, UWB, wifi).

At operation 1205, the external device 200 may detect a connection interruption. For example, when the external device 200 is AR glasses, when the external device 200 detects that the user has taken off the external device 200, it may determine that a connection suspension has been requested. When the external device 200 is a laptop or a TV, the external device 200 may determine that a connection suspension has been requested when the user requests termination of screen linkage or terminates an application for screen linkage.

In operation 1207, the external device 200 may disconnect from the first electronic device 101. The external device 200 may release (e.g., stop, stop) the communication connection with the first electronic device 101 as a connection interruption is detected.

In operation 1209, the external device 200 may detect a connection request. For example, when the external device 200 is AR glasses and the external device 200 determines that a second user (e.g., a user of the second electronic device 1200) is wearing the external device 200, It can be determined that there is a connection request. When the external device 200 is a laptop or a TV, the external device 200 may determine that there is a connection request when the user requests screen linking, data transfer, or clipboard use.

In operation 1211, the external device 200 may generate a second bio hash using biometric information of the second user. If the external device 200 is AR glasses, the second user may be wearing the external device 200. The external device 200 may acquire an iris image of the second user from the camera module 370, extract feature points from the acquired iris image, and generate a second biohash corresponding to the second user.

In operation 1213, the external device 200 may generate a second pass code. The second pass code may be a one-time random value generated to connect to the external device 200. The external device 200 may encrypt the generated second pass code with the generated second bio hash. Additionally, the external device 200 may generate a second message including at least one of a tag, a second pass code pair, or device information of the external device 200. The tag may indicate that the second message is request data for obtaining device information. The second pass code pair may include an unencrypted second pass code and a second pass code encrypted with a second bio hash. The device information of the external device 200 may include at least one of the name of the external device 200 (eg, model name), device characteristic information, network identifier, network information, or communication channel information.

In operation 1215, the external device 200 may broadcast the second message. The external device 201 may broadcast the second message using communication technology such as Bluetooth, UWB, or Wi-Fi Aware. Since the second message is transmitted to an unspecified number of devices located around the external device 200, when the first electronic device 101 is located around the external device 200, the first electronic device 101 is also A second message may be received. Additionally, the second message may also be delivered to the second electronic device 1200 wearing the external device 200.

In operation 1217, the second electronic device 1200 may authenticate the second pass code included in the second message using the stored second bio hash. Since the second pass code is generated for connection to the second user's second electronic device 1200, it can be authenticated using the second bio hash. The second electronic device 1200 encrypts the second pass code included in the second message with the second bio hash stored in the memory 130, and the encrypted second pass code is included in the second message. The second pass code can be authenticated by determining whether it matches the second pass code. Alternatively, the second electronic device 1200 decrypts the encrypted second pass code included in the second message with the second bio hash stored in the memory 130, and the decrypted second pass code is used in the second message. The second pass code can be authenticated by determining whether it matches the unencrypted second pass code included in . According to one embodiment, the second electronic device 1200 may determine which biohash to use to authenticate the pass code based on device information of the external device 200.

In operation 1219, the second electronic device 1200 may transmit device information of the second electronic device 1200 to the external device 200. When the second pass code is authenticated, the second electronic device 1200 determines that the second user wearing (or using) the external device 200 is the same as the second user of the second electronic device 1200, and , device information of the second electronic device 1200 can be transmitted to the external device 200. The second electronic device 1200 may transmit the device information of the second electronic device 1200 to the external device 200 based on the device information of the external device 200 included in the second message. Since the device information of the external device 200 includes network information or communication channel information, the second electronic device 1200 uses the network information or communication channel information of the external device 200 to ) device information can be transmitted to the external device 200. The device information of the second electronic device 1200 may include at least one of the name of the electronic device 101 (e.g., model name), device characteristic information, network identifier, network information, or communication channel information.

In operation 1221, the external device 200 can check second device information. Here, the second device information may mean device information of the second electronic device 1200. The external device 200 may receive device information of the second electronic device 1200 from the second electronic device 1200.

In operation 1223, the external device 200 may connect to the second electronic device 1200 based on the second device information. The external device 200 can communicate with the second electronic device 1200 through any one of Bluetooth, UWB, and WiFi through the communication module 340. After communication connection, the external device 200 may receive data from the second electronic device 1200 or transmit data or commands to the second electronic device 1200. The external device 200 may disconnect from the first electronic device 101 and establish a communication connection with the second electronic device 1200.

FIG. 13 is a flowchart 1300 illustrating a method of disconnecting from one electronic device and connecting to another electronic device in an external device, according to an embodiment.

Referring to FIG. 13, in operation 1301, a processor (e.g., processor 390 of FIG. 3) of an external device (e.g., external device 200 of FIG. 2) according to an embodiment is connected to a first electronic device (e.g., Termination of connection with the electronic device 101 of FIG. 1 may be detected. For example, when the external device 200 is AR glasses, the processor 390 may determine that a connection suspension has been requested when it is detected that the user has taken off the external device 200. When the external device 200 is a laptop or a TV, the processor 390 may determine that a connection suspension has been requested when the user requests termination of screen linkage or terminates an application for screen linkage.

In operation 1303, the processor 390 may disconnect from the first electronic device 101. The external device 200 may release (e.g., stop, stop) the communication connection with the first electronic device 101 as a connection interruption is detected.

At operation 1305, processor 390 may detect a connection request. For example, when the external device 200 is AR glasses, the processor 390 determines that the second user (e.g., the user of the second electronic device 1200 in FIG. 12) is wearing the external device 200. If so, it can be determined that there is a connection request. When the external device 200 is a laptop or a TV, the processor 390 may determine that there is a connection request when the user requests screen linking, data transfer, or clipboard use.

In operation 1307, the processor 390 may acquire new biometric information. For example, if the external device 200 is AR glasses, the second user may be wearing the external device 200. The processor 390 may acquire the iris image of the second user as new biometric information by photographing the iris of the second user through a camera (eg, the camera module 370 of FIG. 3).

In operation 1309, the processor 390 may generate a new bio hash based on the acquired biometric information. The new bio hash may refer to a newly generated bio hash rather than the bio hash used when connecting to the first electronic device 101 (e.g., generated using the first user's biometric information). The processor 390 may extract feature points from the iris image of the second user and generate a second biohash corresponding to the second user.

In operation 1311, the processor 390 may perform a connection process with the second electronic device 1200 using the new bio hash. In order to distinguish it from the first bio hash created using the first user's biometric information, the new bio hash can be understood as a 'second bio hash'. The connection process with the second electronic device 1200 may include operations 805 to 813 of FIG. 8 . The processor 390 may perform operations 805 to 813 of FIG. 8 after performing operation 1309.

FIG. 14 is a flowchart illustrating a method in which an external device instructs data transfer from one electronic device to another electronic device, according to an embodiment.

Referring to FIG. 14, in operation 1401, an external device (e.g., external device 200 of FIG. 2) according to an embodiment may be connected to a first electronic device (e.g., electronic device 101 of FIG. 1). . The connection may mean that the external device 200 is paired with the first electronic device 101 through short-range wireless communication (eg, Bluetooth, UWB, wifi). For the above connection, the external device 200 performs all of the operations shown in FIG. 8 to establish a communication connection with the first electronic device 101.

In operation 1403, the external device 200 may be connected to a second electronic device (eg, the second electronic device 1200 of FIG. 12). The connection may mean that the external device 200 is paired with the second electronic device 1200 through short-range wireless communication (eg, Bluetooth, UWB, wifi). For the above connection, the external device 200 can communicate with the second electronic device 1200 by performing all the operations shown in FIG. 8 . The external device 200 may not be connected to one electronic device, but may be connected to a plurality of electronic devices (eg, the first electronic device 101 and the second electronic device 1200).

Operations 1401 and 1403 are not related to the order of operations and are intended to indicate that the external device 200 can be connected to a plurality of electronic devices (e.g., the first electronic device 101 and the second electronic device 1200). You can. According to one embodiment, after connecting the external device 200 to the first electronic device 101, the external device 200 may receive a request from the user for a list of devices capable of communication connection. When the user selects the second electronic device 1200 from the list of communication connectable devices, the external device 200 can connect to the second electronic device 1200.

In operation 1405, the external device 200 may receive a data transfer request. The data transfer request may be to move data stored in the first electronic device 101 to the second electronic device 1200.

In operation 1407, the external device 200 may instruct data transfer to the first electronic device 101 and the second electronic device 1200. For example, the external device 200 transmits device information of the second electronic device 1200 to the first electronic device 101 and transmits specific data stored in the first electronic device 101 to the second electronic device 1200. ) can be ordered to be transmitted. Additionally, the external device 200 may transmit device information of the first electronic device 101 to the second electronic device 1200 and command the second electronic device 1200 to receive specific data stored in the first electronic device 101 .

In operation 1409, the first electronic device 101 and the second electronic device 1200 may share device information. For example, the first electronic device 101 may request device information of the second electronic device 1200 from the second electronic device 1200 according to instructions from the external device 200. Alternatively, the first electronic device 101 may receive device information of the second electronic device 1200 from the external device 200. Alternatively, the second electronic device 1200 may request device information of the first electronic device 101 from the first electronic device 101 according to instructions from the external device 200. Alternatively, the second electronic device 1200 may receive device information of the first electronic device 101 from the external device 200.

In operation 1411, the first electronic device 101 and the second electronic device 1200 may be connected to each other. The first electronic device 101 may request a connection to the second electronic device 1200 based on device information of the second electronic device 1200 and connect to the second electronic device 1200 that responds to the request. . Alternatively, the second electronic device 1200 requests a connection to the first electronic device 101 based on the device information of the first electronic device 101 and connects with the first electronic device 101 that responds to the request. You can.

In operation 1413, the first electronic device 101 may transmit data to the second electronic device 1200. The first electronic device 101 may be connected to the second electronic device 1200 through Bluetooth, WiFi, or UWB communication. The first electronic device 101 transmits data to be transmitted from the external device 200 to the second electronic device 1200 through a communication module (e.g., the communication module 190 in FIG. 1). It can be sent to .

In operation 1415, the second electronic device 1200 may receive data from the first electronic device 101 and store it. The second electronic device 1200 may receive data from the first electronic device 101 according to a command from the external device 200. The second electronic device 1200 may store the received data in memory.

A method of operating the electronic device 101 according to an embodiment of the present disclosure includes sending a message containing at least one of a pass code pair and device information of the external device from an external device 200 through at least one communication module 190. An operation of receiving, an operation of authenticating a pass code associated with the external device using the biohash stored in the memory 130 and the pass code pair, and sending device information of the electronic device to the external device based on the authentication result. It may include an operation of transmitting, and an operation of connecting to the external device based on a request from the external device through the at least one communication module.

The pass code pair may include a first pass code encrypted with the bio hash and a second pass code corresponding to the pass code.

The authentication operation includes decoding the first pass code included in the pass code pair with the bio hash stored in the memory, and applying the decrypted pass code to a second pass code identical to the second pass code included in the pass code pair. It may include an operation of determining whether a pass code associated with the external device is authenticated.

The authentication operation includes encrypting the second pass code included in the pass code pair with the bio hash stored in the memory, and encrypting the encrypted pass code with the first pass code included in the pass code pair. It may include an operation of determining whether a pass code associated with the external device is authenticated.

The method may further include determining which of the plurality of bio-hashes to use to authenticate the pass code based on device information of the external device.

The determining operation includes identifying device characteristic information of the external device included in device information of the external device. If the identified device characteristic information corresponds to the first device characteristic, the first device characteristic information among the plurality of bio hashes 1 An operation of authenticating the pass code using a first bio hash associated with a device characteristic; when the identified device characteristic information corresponds to a second device characteristic, a second bio hash associated with the second device characteristic among a plurality of bio hashes The method further includes authenticating the pass code using a bio hash, wherein the first bio hash and the second bio hash are stored in the memory and may be different from each other.

The transmitting operation may include, when the pass code is authenticated, determining that a user using the external device is the same as the user of the electronic device, and transmitting device information of the electronic device to the external device. there is.

A method of operating the electronic device 200 according to an embodiment of the present disclosure includes generating a biohash corresponding to the user's biometric information in response to a connection request, and generating a pass code for connection to the electronic device. , an operation of generating a message including a pass code encrypted with the generated biohash, an operation of broadcasting the generated message, and receiving device information of the external device from the external device 101 in response to the broadcasted message. It may include a receiving operation and an operation of pairing with the external device based on device information of the external device.

Generating the message includes encrypting the generated passcode with the generated biohash, and a message including at least one of the generated passcode, the encrypted passcode, and device information of the electronic device. It may include an operation that creates a .

The method may further include deleting the generated biohash and the generated pass code when paired with the external device.

The method includes, when paired with the external device, storing device information of the external device in a communication connectable device list, and providing the communication connectable device list according to a user's request while connecting to the external device. , and may further include an operation of changing a device to be connected to communication based on a user's input in the list of devices available for communication connection.

The various embodiments of the present invention disclosed in the specification and drawings are merely provided as specific examples to easily explain the technical content of the present invention and to facilitate understanding of the present invention, and are not intended to limit the scope of the present invention. Therefore, the scope of the present invention should be construed as including all changes or modified forms derived based on the technical idea of the present invention in addition to the embodiments disclosed herein.

101: Electronic devices
120: processor
130: memory
200: external device

Claims (20)

In the electronic device 101,
At least one communication module 190;
a memory 130 that stores the user's biometric information and biohash corresponding to the biometric information; and
Comprising a processor (120) operatively connected to at least one of the at least one communication module or the memory,
The processor,
Receiving a message containing at least one of a pass code pair and device information of the external device from an external device 200 through the at least one communication module,
Authenticate a pass code associated with the external device using the bio hash and the pass code pair stored in the memory,
Transmitting device information of the electronic device to the external device based on the authentication result,
An electronic device configured to connect with the external device based on a request from the external device through the at least one communication module.
The method of claim 1, wherein the pass code pair is:
An electronic device comprising a first pass code encrypted with the biohash and a second pass code corresponding to the pass code.
The method of claim 1, wherein the processor:
Decrypt the first pass code included in the pass code pair with the bio hash stored in the memory,
An electronic device configured to authenticate a pass code associated with the external device by determining whether the decrypted pass code is the same as a second pass code included in the pass code pair.
The method of claim 1, wherein the processor:
Encrypting the second pass code included in the pass code pair with the bio hash stored in the memory,
An electronic device configured to authenticate a pass code associated with the external device by determining whether the encrypted pass code is the same as a first pass code included in the pass code pair.
The method of claim 1, wherein the processor:
An electronic device configured to determine which bio hash from among a plurality of bio hashes will be used to authenticate the pass code based on device information of the external device.
The method of claim 5, wherein the processor:
Identify device characteristic information of the external device included in device information of the external device,
If the identified device characteristic information corresponds to a first device characteristic, authenticate the pass code using a first bio hash associated with the first device characteristic among a plurality of bio hashes,
If the identified device characteristic information corresponds to a second device characteristic, authenticate the pass code using a second bio hash associated with the second device characteristic among a plurality of bio hashes,
The first bio hash and the second bio hash are stored in the memory and are different from each other.
The method of claim 1, wherein the processor:
When the pass code is authenticated, the electronic device is configured to determine that the user using the external device is the same as the user of the electronic device and transmit device information of the electronic device to the external device.
In the method of operating the electronic device 101,
Receiving a message including at least one of a pass code pair and device information of the external device from an external device 200 through at least one communication module 190;
Authenticating a pass code associated with the external device using the bio hash stored in the memory 130 and the pass code pair;
transmitting device information of the electronic device to the external device based on the authentication result; and
A method comprising connecting to the external device based on a request from the external device through the at least one communication module.
The method of claim 8, wherein the pass code pair is:
A method comprising a first pass code encrypted with the biohash and a second pass code corresponding to the pass code.
The method of claim 8, wherein the authentication operation is:
Decrypting the first pass code included in the pass code pair with the bio hash stored in the memory; and
A method comprising authenticating a pass code associated with the external device by determining whether the decrypted pass code is the same as a second pass code included in the pass code pair.
The method of claim 8, wherein the authentication operation is:
Encrypting a second pass code included in the pass code pair with the bio hash stored in the memory; and
A method comprising authenticating a pass code associated with the external device by determining whether the encrypted pass code is the same as a first pass code included in the pass code pair.
According to clause 8,
The method further includes determining which bio-hash from among a plurality of bio-hashes to use to authenticate the pass code based on device information of the external device.
The method of claim 12, wherein the determining operation is:
identifying device characteristic information of the external device included in device information of the external device;
When the identified device characteristic information corresponds to a first device characteristic, authenticating the pass code using a first bio hash associated with the first device characteristic among a plurality of bio hashes;
If the identified device characteristic information corresponds to a second device characteristic, authenticating the pass code using a second bio hash associated with the second device characteristic among a plurality of bio hashes,
The first bio hash and the second bio hash are stored in the memory and are different from each other.
The method of claim 8, wherein the transmitting operation is:
When the pass code is authenticated, determining that the user using the external device is the same as the user of the electronic device, and transmitting device information of the electronic device to the external device.
In the method of operating the electronic device 200,
An operation of generating a biohash corresponding to the user's biometric information in response to the connection request;
Generating a pass code for connection to the electronic device;
An operation of generating a message including a pass code encrypted with the generated biohash;
broadcasting the generated message;
An operation of receiving device information of an external device from an external device (101) that responds to the broadcasted message; and
A method comprising pairing with the external device based on device information of the external device.
The method of claim 15, wherein the operation of generating the message includes:
Encrypting the generated pass code with the generated bio hash; and
A method comprising generating a message including at least one of the generated pass code, the encrypted pass code, and device information of the electronic device.
According to clause 15,
When paired with the external device, the method further includes deleting the generated biohash and the generated pass code.
According to clause 15,
When paired with the external device, storing device information of the external device in a list of communication connectable devices;
providing a list of communication connectable devices upon a user's request while connecting to the external device; and
The method further includes changing a device to be connected to communication based on a user's input in the list of devices available for communication connection.
According to clause 15,
detecting interruption of connection with the external device;
An operation of disconnecting from the external device;
detecting a connection request with a second external device;
Obtaining new second biometric information and generating a new second biohash using the acquired second biometric information;
The method further includes performing a connection process with the second external device using the second bio hash.
According to clause 15,
Receiving a data transfer request while connected to the external device and a second external device; and
The method further includes transmitting a data transfer instruction to the external device and the second external device in response to the request, thereby controlling data transfer between the external device and the second external device.

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