Method for performing authentication by using biometric information, and supporting electronic device

Abstract

An electronic device according to one embodiment may comprise a camera, a communication circuit, and at least one processor. The at least one processor may be configured to: acquire an input for executing a function of the electronic device requiring authentication for a user; control an external electronic device wirelessly connected to the electronic device to measure first biometric information of the user through the communication circuit on the basis of the acquisition of the input; receive the first biometric information from the external electronic device through the communication circuit; acquire an image of the user through the camera on the basis of the acquisition of the input; acquire second biometric information of the user on the basis of the image; determine whether the authentication is successful by comparing the first biometric information and the second biometric information with each other; and execute the function on the basis of the success of the authentication.

Description

Method for performing authentication using biometric information and supporting electronic devices

[0001] The present disclosure relates to a method for performing authentication using biometric information and an electronic device supporting the same.

[0002] Electronic devices can perform a variety of functions. Some of these functions (e.g., unlocking the device, making payments, launching applications) require user authentication. Electronic devices can execute functions requiring authentication if user authentication is successful, and prevent functions requiring authentication from executing if user authentication fails.

[0003] Electronic devices can perform user authentication using the user's biometric information (or biometric signals). For example, the electronic device can perform user authentication using fingerprint recognition, iris recognition, or facial recognition. For example, the electronic device can perform user authentication using liveness detection (e.g., a method for distinguishing whether the subject performing authentication is a human or a program based on an image acquired through a camera) or a Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA) (e.g., a method for distinguishing whether the subject performing authentication is a human or a program using an image or sound).

[0004] Recently, with the advancement of artificial intelligence, authentication using methods other than the standard authentication path or procedure (hereinafter referred to as "bypass authentication") can be successful. For example, authentication using CAPTCHAs can be successful through bypass authentication using artificial intelligence (e.g., an AI program), or authentication using liveness detection can be successful through bypass authentication using images generated by AI. To prevent bypass authentication, if authentication is performed using more authentication steps or methods or more complex images, the authentication process can become longer and more complex. This can impair the usability of electronic devices.

[0005] The present disclosure relates to a method for performing authentication using biometric information and an electronic device supporting the authentication, which can prevent bypass authentication and improve usability by performing authentication on a user using biometric information acquired in real time from a plurality of electronic devices.

[0006] The technical problems to be solved by the present disclosure are not limited to the technical problems mentioned above, and other technical problems not mentioned can be clearly understood by a person having ordinary skill in the technical field related to this document from the description below.

[0007] An electronic device according to one embodiment may include a camera, a communication circuit, and at least one processor. The at least one processor may be configured to obtain an input for executing a function of the electronic device requiring authentication of a user, and, based on the input obtained, control an external electronic device wirelessly connected to the electronic device through the communication circuit to measure first biometric information of the user, receive the first biometric information from the external electronic device through the communication circuit, based on the input obtained, obtain an image of the user through the camera, and, based on the image obtained, obtain second biometric information of the user, and determine whether the authentication is successful by comparing the first biometric information and the second biometric information, and, based on the authentication being successful, execute the function.

[0008] A method for performing authentication using biometric information in an electronic device according to one embodiment may include: obtaining an input for executing a function of the electronic device requiring authentication of a user; controlling an external electronic device wirelessly connected to the electronic device to measure first biometric information of the user through a communication circuit of the electronic device based on the obtaining of the input; receiving the first biometric information from the external electronic device through the communication circuit; obtaining an image of the user through a camera of the electronic device based on the obtaining of the input; obtaining second biometric information of the user based on the image; determining whether the authentication is successful by comparing the first biometric information and the second biometric information; and executing the function based on the success of the authentication.

[0009] An electronic device according to one embodiment may include a camera, a communication circuit, and at least one processor. The at least one processor may be configured to obtain an input for executing a function of the electronic device requiring authentication of a user, and, based on the input obtained, control an external electronic device wirelessly connected to the electronic device to measure a bio-signal of the user through the communication circuit, receive the bio-signal from the external electronic device through the communication circuit, obtain first bio-information based on the bio-signal, obtain an image of the user through the camera based on the input obtained, obtain second bio-information of the user based on the image, determine whether the authentication is successful by comparing the first bio-information and the second bio-information, and execute the function based on the authentication being successful.

[0010] FIG. 1 is a block diagram of an electronic device within a network environment, according to one embodiment.

[0011] FIG. 2A is a front perspective view of a wearable electronic device according to one embodiment.

[0012] FIG. 2B is a rear perspective view of a wearable electronic device according to one embodiment.

[0013] FIG. 3 is a block diagram of an electronic device according to one embodiment.

[0014] FIG. 4 is a block diagram of a wearable device according to one embodiment.

[0015] FIG. 5 is a flowchart illustrating a method for performing authentication using biometric information according to one embodiment.

[0016] FIG. 6 is a diagram for explaining a method of performing authentication using biometric information according to one embodiment.

[0017] FIG. 7 is a flowchart illustrating a method for performing authentication using biometric information according to one embodiment.

[0018] FIG. 8 is a diagram for explaining a method of performing authentication using biometric information according to one embodiment.

[0019] FIG. 9 is a flowchart illustrating a method for performing authentication using biometric information according to one embodiment.

[0020] FIG. 10 is a flowchart illustrating a method for performing authentication using biometric information according to one embodiment.

[0021] FIG. 1 is a block diagram of an electronic device (101) within a network environment (100), according to one embodiment.

[0022] Referring to FIG. 1, in a network environment (100), an electronic device (101) may communicate with an electronic device (102) via a first network (198) (e.g., a short-range wireless communication network), or may communicate with at least one of an electronic device (104) or a server (108) via a second network (199) (e.g., a long-range wireless communication network). According to one embodiment, the electronic device (101) may communicate with the electronic device (104) via the server (108). According to one embodiment, the electronic device (101) may include a processor (120), a memory (130), an input module (150), an audio output module (155), a display module (160), an audio module (170), a sensor module (176), an interface (177), a connection terminal (178), a haptic module (179), a camera module (180), a power management module (188), a battery (189), a communication module (190), a subscriber identification module (196), or an antenna module (197). In some embodiments, the electronic device (101) may omit at least one of these components (e.g., the connection terminal (178)), or may have one or more other components added. In some embodiments, some of these components (e.g., the sensor module (176), the camera module (180), or the antenna module (197)) may be integrated into one component (e.g., the display module (160)).

[0023] The processor (120) may, for example, execute software (e.g., a program (140)) to control at least one other component (e.g., a hardware or software component) of the electronic device (101) connected to the processor (120) and perform various data processing or calculations. According to one embodiment, as at least a part of the data processing or calculations, the processor (120) may store commands or data received from other components (e.g., a sensor module (176) or a communication module (190)) in a volatile memory (132), process the commands or data stored in the volatile memory (132), and store result data in a non-volatile memory (134). According to one embodiment, the processor (120) may include a main processor (121) (e.g., a central processing unit or an application processor) or a secondary processor (123) (e.g., a graphics processing unit, a neural processing unit (NPU), an image signal processor, a sensor hub processor, or a communication processor)) that can operate independently or together therewith. For example, if the electronic device (101) includes a main processor (121) and a secondary processor (123), the secondary processor (123) may be configured to use less power than the main processor (121) or to be specialized for a specified function. The secondary processor (123) may be implemented separately from the main processor (121) or as a part thereof.

[0024] The auxiliary processor (123) may control at least a portion of functions or states associated with at least one component (e.g., a display module (160), a sensor module (176), or a communication module (190)) of the electronic device (101), for example, on behalf of the main processor (121) while the main processor (121) is in an inactive (e.g., sleep) state, or together with the main processor (121) while the main processor (121) is in an active (e.g., application execution) state. In one embodiment, the auxiliary processor (123) (e.g., an image signal processor or a communication processor) may be implemented as a part of another functionally related component (e.g., a camera module (180) or a communication module (190)). In one embodiment, the auxiliary processor (123) (e.g., a neural network processing unit) may include a hardware structure specialized for processing artificial intelligence models. The artificial intelligence models may be generated through machine learning. This learning can be performed, for example, on the electronic device (101) itself where the artificial intelligence model is executed, or can be performed through a separate server (e.g., server (108)). The learning algorithm can include, for example, supervised learning, unsupervised learning, semi-supervised learning, or reinforcement learning, but is not limited to the examples described above. The artificial intelligence model can include multiple artificial neural network layers.The artificial neural network may be one of a deep neural network (DNN), a convolutional neural network (CNN), a recurrent neural network (RNN), a restricted Boltzmann machine (RBM), a deep belief network (DBN), a bidirectional recurrent deep neural network (BRDNN), a deep Q-network, or a combination of two or more of the above, but is not limited to the examples described above. In addition to, or alternatively to, a hardware structure, an artificial intelligence model may include a software structure.

[0025] The memory (130) can store various data used by at least one component (e.g., processor (120) or sensor module (176)) of the electronic device (101). The data can include, for example, software (e.g., program (140)) and input data or output data for commands related thereto. The memory (130) can include volatile memory (132) or non-volatile memory (134).

[0026] The program (140) may be stored as software in the memory (130) and may include, for example, an operating system (142), middleware (144), or an application (146).

[0027] The input module (150) can receive commands or data to be used in a component of the electronic device (101) (e.g., a processor (120)) from an external source (e.g., a user) of the electronic device (101). The input module (150) can include, for example, a microphone, a mouse, a keyboard, a key (e.g., a button), or a digital pen (e.g., a stylus pen).

[0028] The audio output module (155) can output audio signals to the outside of the electronic device (101). The audio output module (155) can include, for example, a speaker or a receiver. The speaker can be used for general purposes, such as multimedia playback or recording playback. The receiver can be used to receive incoming calls. In one embodiment, the receiver can be implemented separately from the speaker or as part of the speaker.

[0029] The display module (160) can visually provide information to an external party (e.g., a user) of the electronic device (101). The display module (160) may include, for example, a display, a holographic device, or a projector and a control circuit for controlling the device. In 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 a force generated by the touch.

[0030] The audio module (170) can convert sound into an electrical signal, or vice versa, convert an electrical signal into sound. According to one embodiment, the audio module (170) can acquire sound through the input module (150), output sound through the sound output module (155), or an external electronic device (e.g., electronic device (102)) (e.g., speaker or headphone) directly or wirelessly connected to the electronic device (101).

[0031] The sensor module (176) can detect the operating status (e.g., power or temperature) of the electronic device (101) or the external environmental status (e.g., user status) and generate an electrical signal or data value corresponding to the detected status. According to one embodiment, the sensor module (176) can include, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a proximity sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, a humidity sensor, or an illuminance sensor.

[0032] The interface (177) may support one or more designated protocols that may be used to directly or wirelessly connect the electronic device (101) with an external electronic device (e.g., the electronic device (102)). In 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.

[0033] The connection terminal (178) may include a connector through which the electronic device (101) may be physically connected to an external electronic device (e.g., 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 (e.g., a headphone connector).

[0034] A haptic module (179) can convert electrical signals into mechanical stimuli (e.g., vibration or movement) or electrical stimuli that a user can perceive through tactile or kinesthetic sensations. In one embodiment, the haptic module (179) can include, for example, a motor, a piezoelectric element, or an electrical stimulation device.

[0035] The camera module (180) can capture still images and videos. According to one embodiment, the camera module (180) may include one or more lenses, image sensors, image signal processors, or flashes.

[0036] The power management module (188) can manage power supplied to the electronic device (101). According to one embodiment, the power management module (188) can be implemented, for example, as at least a part of a power management integrated circuit (PMIC).

[0037] A battery (189) may power at least one component of the electronic device (101). In one embodiment, the battery (189) may include, for example, a non-rechargeable primary battery, a rechargeable secondary battery, or a fuel cell.

[0038] The communication module (190) may support the establishment of a direct (e.g., wired) communication channel or a wireless communication channel between the electronic device (101) and an external electronic device (e.g., electronic device (102), electronic device (104), or server (108)), and the performance of communication through the established communication channel. The communication module (190) may operate independently from the processor (120) (e.g., 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) may include 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., a local area network (LAN) communication module, or a power line communication module). Among these communication modules, the corresponding communication module can communicate with an external electronic device (104) via 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., a long-range communication network such as a legacy cellular network, a 5G network, a next-generation communication network, the Internet, or a computer network (e.g., a LAN or WAN)). These various types of communication modules can be integrated into a single component (e.g., a single chip) or implemented as multiple separate components (e.g., multiple chips). The wireless communication module (192) can verify or authenticate the electronic device (101) within a communication network such as the first network (198) or the second network (199) by using subscriber information (e.g., an international mobile subscriber identity (IMSI)) stored in the subscriber identification module (196).

[0039] The wireless communication module (192) can support 5G networks and next-generation communication technologies following the 4G network, such as NR access technology (new radio access technology). The NR access technology can support high-speed transmission of high-capacity data (eMBB (enhanced mobile broadband)), minimization of terminal power and connection of multiple terminals (mMTC (massive machine type communications)), or high reliability and low latency (URLLC (ultra-reliable and low-latency communications)). The wireless communication module (192) can support, for example, a high-frequency band (e.g., mmWave band) to achieve a high data transmission rate. The wireless communication module (192) can support various technologies for securing performance in a high-frequency band, such as beamforming, massive multiple-input and multiple-output (MIMO), full dimensional MIMO (FD-MIMO), array antenna, analog beam-forming, or large scale antenna. The wireless communication module (192) can support various requirements specified in the electronic device (101), an external electronic device (e.g., the electronic device (104)), or a network system (e.g., the second network (199)). According to one embodiment, the wireless communication module (192) can support a peak data rate (e.g., 20 Gbps or more) for eMBB realization, a loss coverage (e.g., 164 dB or less) for mMTC realization, or a U-plane latency (e.g., 0.5 ms or less for downlink (DL) and uplink (UL), or 1 ms or less for round trip) for URLLC realization.

[0040] The antenna module (197) can transmit or receive signals or power to or from an external device (e.g., an external electronic device). In one embodiment, the antenna module (197) may include an antenna including a radiator formed of a conductor or a conductive pattern formed on a substrate (e.g., a PCB). In one embodiment, the antenna module (197) may include a plurality of antennas (e.g., 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), may be selected from the plurality of antennas by, for example, the communication module (190). A signal or power may be transmitted or received between the communication module (190) and an external electronic device through the selected at least one antenna. In some embodiments, in addition to the radiator, another component (e.g., a radio frequency integrated circuit (RFIC)) may be additionally formed as a part of the antenna module (197).

[0041] According to various embodiments, the antenna module (197) may form a mmWave antenna module. According to one embodiment, the mmWave antenna module may include a printed circuit board, an RFIC disposed on or adjacent a first side (e.g., a bottom side) of the printed circuit board and capable of supporting a designated high frequency band (e.g., a mmWave band), and a plurality of antennas (e.g., an array antenna) disposed on or adjacent a second side (e.g., a top side or a side side) of the printed circuit board and capable of transmitting or receiving signals in the designated high frequency band.

[0042] At least some of the above components can be interconnected and exchange signals (e.g., commands or data) with each other via a communication method between peripheral devices (e.g., a bus, GPIO (general purpose input and output), SPI (serial peripheral interface), or MIPI (mobile industry processor interface)).

[0043] According to one embodiment, commands or data may be transmitted or received between the electronic device (101) and an external electronic device (104) via a server (108) connected to a second network (199). Each of the external electronic devices (102 or 104) may be the same or a different type of device as the electronic device (101). According to one embodiment, all or part of the operations executed 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) is to perform a certain function or service automatically or in response to a request from a user or another device, the electronic device (101) may, instead of or in addition to executing the function or service itself, request one or more external electronic devices to perform the function or at least a part of the service. One or more external electronic devices that receive the request may execute at least a portion 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 a portion of a response to the request. For this purpose, cloud computing, distributed computing, mobile edge computing (MEC), or client-server computing technology may be used, for example. The electronic device (101) may provide an ultra-low latency service by using distributed computing or mobile edge computing, for example. In another embodiment, the external electronic device (104) may include an Internet of Things (IoT) device. The server (108) may be an intelligent server utilizing machine learning and / or a neural network. According to one embodiment, the external electronic device (104) or the server (108) may be included in the second network (199).The electronic device (101) can be applied to intelligent services (e.g., smart home, smart city, smart car, or healthcare) based on 5G communication technology and IoT-related technology.

[0044] An electronic device according to an embodiment disclosed in this document may take various forms. The electronic device may include, for example, a portable communication device (e.g., a smartphone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance. The electronic device according to an embodiment of this document is not limited to the aforementioned devices.

[0045] It should be understood that the embodiments of this document and the terminology used herein are not intended to limit the technical features described in this document to specific embodiments, but include various modifications, equivalents, or substitutes of the embodiments. In connection with the description of the drawings, similar reference numerals 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 items, unless the context clearly indicates otherwise. In this document, each of the phrases "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 "at least one of A, B, or C" can include any one of the items listed together in the corresponding phrase among those phrases, or all possible combinations thereof. Terms such as "first," "second," or "first" or "second" may be used merely to distinguish one component from another, and do not limit the components in any other respect (e.g., importance or order). When a component (e.g., a first component) is referred to as "coupled" or "connected" to another component (e.g., a second component), with or without the terms "functionally" or "communicatively," it means that the component can be connected to the other component directly (e.g., wired), wirelessly, or through a third component.

[0046] The term "module" used in one embodiment of this document may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit. A module may be an integral component, or a minimum unit or part of such a component that performs one or more functions. For example, according to one embodiment, a module may be implemented in the form of an application-specific integrated circuit (ASIC).

[0047] An embodiment of the present document may be implemented as software (e.g., a program (140)) including one or more instructions stored in a storage medium (e.g., an internal memory (136) or an external memory (138)) readable by a machine (e.g., an electronic device (101)). For example, a processor (e.g., a processor (120)) of the machine (e.g., an electronic device (101)) may call at least one instruction among the one or more instructions stored from the storage medium and execute it. This enables the machine to operate to perform at least one function according to the at least one called instruction. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The machine-readable storage medium may be provided in the form of a non-transitory storage medium. Here, "non-transitory" simply means that the storage medium is a tangible device and does not contain signals (e.g., electromagnetic waves), and the term does not distinguish between cases where data is stored semi-permanently or temporarily on the storage medium.

[0048] According to one embodiment, the method according to one embodiment disclosed in the present document may be provided as a computer program product. The computer program product may be traded between sellers and buyers as a product. The computer program product may be distributed in the form of a device-readable storage medium (e.g., compact disc read-only memory (CD-ROM)) or may be provided through an application store (e.g., Play Store). TM ) or directly between two user devices (e.g., smart phones), online distribution (e.g., downloading or uploading). 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 an intermediary server.

[0049] According to one embodiment, each component (e.g., a module or a program) of the above-described components may include one or more entities, and some of the entities may be separated and placed in other components. According to one embodiment, one or more components or operations of the aforementioned components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (e.g., a module or a program) may be integrated into a single component. In this case, the integrated component may perform one or more functions of each of the plurality of components identically or similarly to those performed by the corresponding component among the plurality of components prior to the integration. According to one embodiment, the 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, omitted, or one or more other operations may be added.

[0050] FIG. 2a is a perspective view (200a) of the front of a wearable electronic device (201) according to various embodiments.

[0051] FIG. 2b is a perspective view (200b) of the rear side of the wearable electronic device (201) of FIG. 2a.

[0052] Referring to FIGS. 2A and 2B , a wearable electronic device (201) according to one embodiment may include a housing (210) including a first side (or front side) (211), a second side (or back side) (212), and a side surface (213) surrounding a space between the first side (211) and the second side (212), and a wearing member (250, 260) connected to at least a portion of the housing (210) and configured to detachably attach the wearable electronic device (201) to a part of a user's body (e.g., a wrist or an ankle). In another embodiment, the housing (210) may also refer to a structure forming a portion of the first side (211), the second side (212), and the side surface (213) of FIGS. 2A and 2B . In one embodiment, the first side (211) may be formed by a front plate (222) that is at least partially transparent (e.g., a glass plate including various coating layers, or a polymer plate). The second side (212) may be formed by a back plate (207) that is substantially opaque. In some embodiments, when the wearable electronic device (201) includes a sensor module (265) (e.g., the sensor module (176) of FIG. 1) disposed on the second side (212), the back plate (207) may include at least a partially transparent area.

[0053] The rear plate (207) may be formed of, for example, coated or colored glass, ceramic, polymer, metal (e.g., aluminum, stainless steel (STS), or magnesium), or a combination of at least two of the foregoing materials. The side surface (213) may be formed of a side bezel (or “side member”) (206) that is coupled to the front plate (222) and the rear plate (207) and comprises a metal and / or polymer. In some embodiments, the rear plate (207) and the side bezel structure (206) may be formed integrally and comprise the same material (e.g., a metal material such as aluminum). The wearing member (250, 260) may be formed of various materials and shapes. The integral and multiple unit links may be formed to be movable with respect to each other by woven fabric, leather, rubber, urethane, metal, ceramic, or a combination of at least two of the foregoing materials.

[0054] According to one embodiment, the wearable electronic device (201) may include at least one of a display (220) (e.g., the display module (160) of FIG. 1), an audio module (205, 208) (e.g., the audio module (170) of FIG. 1), a sensor module (265) (e.g., the sensor module (176) of FIG. 1), a key input device (202, 203, 204) (e.g., the input module (150) of FIG. 1), and a connector hole (209). In some embodiments, the wearable electronic device (201) may omit at least one of the components (e.g., the key input device (202, 203, 204), the connector hole (209), or the sensor module (265)) or may additionally include other components.

[0055] According to one embodiment, a wearable electronic device (201) may include a plurality of electrodes for measuring a biosignal, and at least one of the plurality of electrodes may be positioned at at least one of a position of a key input device (202, 203, or 204), a position of a side bezel (206), a position of a display (220), or a position of a housing (210). Among the key input devices, a wheel key (202) may include a rotary bezel.

[0056] The display (220) may be exposed, for example, through a significant portion of the front plate (222). The shape of the display (220) may correspond to the shape of the front plate (222), and may have various shapes such as a circle, an oval, or a polygon. The display (220) may be coupled to or disposed adjacent to a touch detection circuit, a pressure sensor capable of measuring the intensity (pressure) of a touch, and / or a fingerprint sensor.

[0057] According to one embodiment, the display (220) may include at least one transparent electrode for measuring a biosignal among a plurality of electrodes for measuring a biosignal.

[0058] The audio module (205, 208) may include a microphone hole (205) and a speaker hole (208). The microphone hole (205) may have a microphone positioned therein for capturing external sounds, and in some embodiments, multiple microphones may be positioned therein to detect the direction of sounds. The speaker hole (208) may be used as an external speaker and a receiver for calls. In some embodiments, a speaker may be included without a speaker hole (e.g., a piezo speaker).

[0059] The sensor module (265) can generate an electrical signal or data value corresponding to the internal operating state of the wearable electronic device (201) or the external environmental state. The sensor module (265) may include, for example, a biometric sensor module (265) (e.g., a Heart Rate Variability (HRM) sensor) disposed on the second surface (212) of the housing (210), an ECG (Electrocardiogram) sensor (265a) including at least two electrodes (a1, a2) for measuring an electrocardiogram, and a PPG (Photoplethysmography) sensor (265b) for measuring a heart rate. The wearable electronic device (201) may further include at least one of a sensor module not shown, for example, a gesture sensor, a gyro sensor, a barometric pressure sensor, a magnetic sensor, an acceleration sensor, a grip sensor, a color sensor, an IR (infrared) sensor, a biometric sensor, a temperature sensor, a humidity sensor, or an illuminance sensor.

[0060] The key input device (202, 203, 204) may include a wheel key (202) disposed on a first side (211) of the housing (210) and rotatable in at least one direction, and / or a side key button (203, 204) disposed on a side surface (213) of the housing (210). The wheel key (202) may have a shape corresponding to the shape of the front plate (222). In other embodiments, some of the key input devices (202, 203, 204) may be implemented in other shapes, such as soft keys, on the display (220). The connector hole (209) may accommodate a connector (e.g., a USB connector) for transmitting and receiving power and / or data with an external electronic device, and may include another connector hole (not shown) for receiving a connector for transmitting and receiving audio signals with the external electronic device. The wearable electronic device (201) may further include, for example, a connector cover (not shown) that covers at least a portion of the connector hole (209) and blocks the inflow of external foreign substances into the connector hole.

[0061] The wearing member (250, 260) can be detachably fastened to at least a portion of the housing (210) using a locking member (251, 261). The locking member (251, 261) can include a fastening component such as a pogo pin, and can be replaced with a protrusion(s) or recess(es) formed in the wearing member (250, 260) according to an embodiment. For example, the wearing member (250, 260) can be coupled in a manner of engaging with a groove or a protrusion formed in the housing (210). The wearing member (250, 260) can include one or more of a fixing member (252), a fixing member fastening hole (253), a band guide member (254), and a band fixing ring (255).

[0062] The fixing member (252) may be configured to fix the housing (210) and the wearing member (250, 260) to a part of the user's body (e.g., wrist, ankle). The fixing member fastening hole (253) may correspond to the fixing member (252) to fix the housing (210) and the wearing member (250, 260) to a part of the user's body. The band guide member (254) may be configured to limit the range of movement of the fixing member (252) when the fixing member (252) is fastened to the fixing member fastening hole (253), thereby allowing the wearing member (250, 260) to be fastened in close contact with a part of the user's body. The band fixing ring (255) may limit the range of movement of the wearing member (250, 260) when the fixing member (252) and the fixing member fastening hole (253) are fastened.

[0063] FIG. 3 is a block diagram of an electronic device (301) according to one embodiment.

[0064] Referring to FIG. 3, in one embodiment, the electronic device (301) may be the electronic device (101) of FIG. 1.

[0065] In one embodiment, the electronic device (301) may include communication circuitry (310), a display (320), a camera (330), memory (340), and / or a processor (350).

[0066] In one embodiment, the communication circuit (310) may be the communication module (190) of FIG. 1. The communication circuit (310) may support communication between the electronic device (301) and an external electronic device (e.g., the electronic device (102), the electronic device (104)). For example, the communication circuit (310) (e.g., a short-range communication circuit) may enable the electronic device (301) to be wirelessly connected to a wearable device (401).

[0067] In one embodiment, the display (320) may be the display module (160) of FIG. 1.

[0068] In one embodiment, the display (320) may display a screen for performing user authentication. For example, the display (320) may display a lock screen, a screen containing icons corresponding to an application, or a screen for executing a payment application. However, the screens displayed by the display (320) for performing user authentication are not limited to the examples described above.

[0069] In one embodiment, the camera (330) may be the camera module (180) of FIG. 1.

[0070] In one embodiment, the camera (330) may acquire an image of the user. For example, the camera (330) may acquire an image of the user's body (e.g., the user's skin). Based on the user's body, biometric information of the user may be acquired.

[0071] In one embodiment, the memory (340) may be the memory (130) of FIG. 1.

[0072] In one embodiment, the memory (340) may store information necessary to perform an operation of performing authentication using biometric information.

[0073] In one embodiment, the processor (350) may be the processor (120) of FIG. 1.

[0074] In one embodiment, the processor (350) may control the overall operation of performing authentication using biometric information. The processor (350) may include one or more processors for performing the operation of performing authentication using biometric information. The operation of the processor (350) performing authentication using biometric information will be described in detail below.

[0075] In FIG. 3, the electronic device (301) is illustrated as including, but not limited to, a communication circuit (310), a display (320), a camera (330), a memory (340), and / or a processor (350). For example, the electronic device (301) may further include at least one component included in the electronic device (101) of FIG. 1.

[0076] FIG. 4 is a block diagram of a wearable device (401) according to one embodiment.

[0077] Referring to FIG. 4, in one embodiment, the wearable device (401) may be the electronic device (101) of FIG. 1 or the wearable electronic device (201) of FIGS. 2A and 2B. For example, the wearable device (401) may include a smart watch that performs an operation while being worn on a user's wrist. However, the present invention is not limited thereto, and the wearable device (401) may include a smart ring that performs an operation while being worn on a user's finger.

[0078] In one embodiment, a wearable device (401) may include communication circuitry (410), a biometric sensor (420), memory (430), and / or a processor (440).

[0079] In one embodiment, the communication circuit (410) may be the communication module (190) of FIG. 1. The communication circuit (410) may support communication between the wearable device (401) and an external electronic device (e.g., electronic device (301)).

[0080] In one embodiment, the biosensor (420) may include at least one of the sensors included in the sensor module (176) of FIG. 1 or the sensors included in the sensor module (265) of FIGS. 2A and 2B.

[0081] In one embodiment, the biosensor (420) can acquire (e.g., measure) a biosignal of a user. For example, the biosensor (420) can include a PPG sensor capable of acquiring a PPG signal (e.g., the PPG sensor (265b) of FIG. 2). For example, the biosensor (420) can include an ECG sensor (265a) including at least two electrodes (a1, a2) for measuring an electrocardiogram, as illustrated in FIG. 2b. However, the biosensor (420) is not limited to the aforementioned PPG sensor or ECG sensor, and can include any sensor capable of acquiring a biosignal of a user.

[0082] In one embodiment, the memory (430) may be the memory (130) of FIG. 1.

[0083] In one embodiment, the processor (440) may be the processor (120) of FIG. 1.

[0084] In one embodiment, the processor (440) may perform the overall operation of performing authentication using biometric information. The processor (440) may include one or more processors for performing the operation of performing authentication using biometric information.

[0085] In FIG. 4, the wearable device (401) is illustrated as including, but not limited to, a communication circuit (410), a biometric sensor (420), a memory (430), and / or a processor (440). For example, the wearable device (401) may further include at least one component included in the electronic device (101) of FIG. 1 or the wearable device (201) of FIGS. 2A and 2B.

[0086] FIG. 5 is a flowchart (500) for explaining a method of performing authentication using biometric information according to one embodiment.

[0087] FIG. 6 is a diagram for explaining a method of performing authentication using biometric information according to one embodiment.

[0088] Referring to FIGS. 5 and 6, in operation 501, in one embodiment, the processor (350) may obtain input for executing a function of the electronic device (301) that requires authentication for a user.

[0089] In one embodiment, a function of an electronic device (301) requiring authentication (hereinafter also referred to as “authentication”) for a user may include at least one of a function of unlocking a lock set on the electronic device (301), a function of executing an application (e.g., an application requiring authentication to execute), or a payment function requiring authentication (e.g., a payment function requiring authentication while a banking application or financial application is executing). However, the function requiring authentication is not limited to the examples described above.

[0090] In one embodiment, the processor (350) may obtain a user input for executing a function of the electronic device (301) that requires authentication for the user. For example, in FIG. 6, the processor (350) may display a screen (610) (e.g., a lock screen) including an object (611) (e.g., an icon) indicating that the electronic device (301) is in a locked state through the display (320). The processor (350) may obtain a user input for unlocking the electronic device (301) (e.g., a drag input for the screen (610), or a touch input for an object (e.g., an icon) to which a function for unlocking is mapped). However, the user input for executing a function of the electronic device (301) that requires authentication is not limited to the examples described above. For example, user input for executing a function of an electronic device (301) requiring authentication may include user input for an object (e.g., an icon) corresponding to an application requiring authentication for execution or user input for executing a payment function.

[0091] In operation 503, in one embodiment, the processor (350) may control an external electronic device wirelessly connected to the electronic device (301) to measure the user's first biometric information through a communication circuit (310) based on obtaining an input for executing a function of the electronic device (301) that requires authentication of the user (hereinafter also referred to as "input for authentication").

[0092] In one embodiment, the first biometric information may be biometric information that an external electronic device (e.g., a wearable device (401) worn by a user) is set to measure based on a signal received from the electronic device (301) when the electronic device (301) obtains an input for authentication. For example, the first biometric information may include at least one of the user's heart rate or heart rate variability, but is not limited thereto. For example, the first biometric information may include at least one of the user's oxygen saturation, respiration rate, stress level, or blood pressure.

[0093] In one embodiment, the processor (350) may transmit a signal (hereinafter referred to as a “first signal”) to the external electronic device (e.g., the wearable device (401)) through the communication circuit (310) based on obtaining an input for authentication, causing the external electronic device (e.g., the wearable device (401)) to perform an operation to obtain the first biometric information of the user. For example, in FIG. 6, the processor (350) may transmit a first signal to the external electronic device (401-1) through the communication circuit (310) so that the external electronic device (401-1) (e.g., the wearable device (401)) measures the first biometric information in response to obtaining a user input for unlocking the electronic device (301).

[0094] In one embodiment, an external electronic device (e.g., a wearable device (401)) may measure a user's bio-signal based on receiving a first signal from the electronic device (301). The external electronic device may obtain first bio-information based on the measured bio-signal. For example, the external electronic device may measure a PPG signal as a bio-signal through a PPG sensor based on receiving the first signal from the electronic device (301). The external electronic device may extract heart rate and / or heart rate variability as bio-information based on the PPG signal.

[0095] In operation 505, in one embodiment, the processor (350) may receive first biometric information from an external electronic device through the communication circuit (310). For example, in FIG. 6, the processor (350) may receive first biometric information from an external electronic device (401-1) through the communication circuit (310).

[0096] In operation 507, in one embodiment, the processor (350) may acquire an image of the user through the camera (330) based on obtaining an input (input for authentication) for executing a function of the electronic device (301) that requires authentication of the user. For example, the processor (350) may acquire an image of the user (e.g., the user's face) through the camera (330) based on obtaining an input for authentication.

[0097] In operation 509, in one embodiment, the processor (350) may obtain second biometric information based on an image of the user obtained through the camera (330) (hereinafter referred to as “image of the user”).

[0098] In one embodiment, the second biometric information may be biometric information that the electronic device (301) is set to acquire based on an image acquired through the camera (330) when acquiring an input for authentication. For example, the second biometric information may include at least one of the user's heart rate or heart rate variability, but is not limited thereto. For example, the second biometric information may include at least one of the user's oxygen saturation, respiration rate, stress level, or blood pressure.

[0099] In one embodiment, the second biometric information is biometric information that is compared with the first biometric information in operation 511 described below, and the type of the second biometric information may be set to be the same as the type of the first biometric information. For example, if the first biometric information is set to heart rate, the second biometric information may also be set to heart rate, and if the first biometric information is set to heart rate variability, the second biometric information may also be set to heart rate variability.

[0100] In one embodiment, the processor (350) may obtain second biometric information of the user using a remote PPG method based on an image of the user's face. The remote PPG method may be a method of obtaining a PPG signal (hereinafter referred to as a "remote PPG signal") by detecting a change in the user's skin color based on an image of the user's face, and obtaining biometric information based on the obtained remote PPG signal. For example, the processor (350) may detect a facial region using a specified algorithm (e.g., a face detection algorithm) or an artificial intelligence model within a video of the user. The processor (350) may detect a region of interest (e.g., a portion representing the forehead within the facial region) from which a biometric signal will be obtained within the facial region. The processor (350) may obtain a remote PPG signal based on changes in pixel values ​​(e.g., RGB values ​​of pixels included in the region of interest) within the region of interest of the image of the user. The processor (350) can acquire second biometric information based on a remote PPG signal. However, the method of acquiring the user's second biometric information based on an image of the user's face is not limited to the remote PPG method.

[0101] In operation 511, in one embodiment, the processor (350) may determine whether authentication of the user is successful by comparing the first biometric information and the second biometric information with each other.

[0102] In one embodiment, the processor (350) may compare the first biometric information and the second biometric information with each other. For example, the processor (350) may calculate a similarity between the first biometric information and the second biometric information.

[0103] In one embodiment, the processor (350) may determine whether authentication succeeds or fails based on the results of comparing the first biometric information and the second biometric information. For example, the processor (350) may determine that authentication succeeds based on a similarity between the first biometric information and the second biometric information being greater than or equal to a threshold similarity. The processor (350) may determine that authentication fails based on a similarity between the first biometric information and the second biometric information being less than a threshold similarity.

[0104] In operation 513, in one embodiment, the processor (350) may perform a function of the electronic device (301) based on successful authentication of the user.

[0105] In one embodiment, the processor (350) may perform a function of the electronic device (301) requiring authentication based on determining that authentication is successful in operation 511. For example, in FIG. 6, the processor (350) may release a lock set on the electronic device (301) based on successful authentication of the user. Based on the release of the lock set on the electronic device (301), the processor (350) may display a screen (e.g., a home screen) set to be displayed on the display (320) after unlocking, through the display (320). For example, if the function requiring authentication is a function of executing an application, the processor (350) may execute the application based on successful authentication of the user. For example, if the function requiring authentication is a payment function, the processor (350) may transmit information indicating that authentication of the user is successful to a server (e.g., a bank server) related to the payment function through the communication circuit (310) so that the server performs payment.

[0106] In one embodiment, the processor (350) may not perform a function of the electronic device (301) requiring authentication based on determining that authentication failed in operation 511.

[0107] Although operations 503 and 505 are illustrated in FIG. 5 as being performed prior to operations 507 and 509, this is not limiting. For example, the processor (350) may perform operations 507 and 509 prior to operations 503 and 505, or may perform operations 507 and 509 in parallel with operations 503 and 505.

[0108] FIG. 7 is a flowchart (700) for explaining a method of performing authentication using biometric information according to one embodiment.

[0109] Referring to FIG. 7, in operation 701, in one embodiment, the processor (350) may obtain input for executing a function of the electronic device (301) that requires authentication for a user.

[0110] Since operation 701 is at least partially identical or similar to operation 501 of FIG. 5, a detailed description thereof will be omitted.

[0111] In operation 703, in one embodiment, the processor (350) may control an external electronic device wirelessly connected to the electronic device (301) to measure first biometric information of the user through a communication circuit (310) based on obtaining an input for executing a function of the electronic device (301) that requires authentication of the user.

[0112] Since operation 703 is partially identical or similar to operation 503 of FIG. 5, redundant description will be omitted.

[0113] In one embodiment, an external electronic device (e.g., a wearable device (401)) may measure a user's bio-signal based on receiving a first signal (a signal for performing an operation to acquire the user's first bio-information) from the electronic device (301). The external electronic device may acquire the first bio-information based on the measured bio-signal.

[0114] In one embodiment, an external electronic device may store, in memory (340), information on the time at which a biosignal measured through a biosensor to obtain first bioinformation (hereinafter referred to as “first time information”) (e.g., the time at which measurement of the biosignal started and the time at which measurement of the biosignal ended) together with the first bioinformation.

[0115] In operation 705, in one embodiment, the processor (350) may receive first biometric information and first time information from an external electronic device through the communication circuit (310). For example, the processor (350) may receive first biometric information and first time information (e.g., time information at which a biometric signal measured to obtain the first biometric information was measured) from the external electronic device through the communication circuit (310).

[0116] In operation 707, in one embodiment, the processor (350) may obtain an image of the user through the camera (330) based on obtaining an input (input for authentication) for executing a function of the electronic device (301) that requires authentication of the user.

[0117] Since operation 707 is partially identical or similar to operation 507 of FIG. 5, redundant description will be omitted.

[0118] In one embodiment, the processor (350) may acquire an image (hereinafter referred to as a “first image”) acquired in the same time period as the first time information from an image acquired through the camera (330) (e.g., a plurality of frames acquired through the camera (330) in the same time period as the first time information).

[0119] In one embodiment, the time interval identical to the first time information may include the time from the time the external electronic device starts measuring the biosignal to the time it ends measuring the biosignal.

[0120] In one embodiment, the processor (350) may acquire second biometric information of the user using a remote PPG method based on the first image. For example, the processor (350) may acquire a remote PPG signal from the first image. The processor (350) may acquire a second biometric signal based on the remote PPG signal acquired from the first image.

[0121] In operation 711, in one embodiment, the processor (350) may determine whether authentication of the user is successful by comparing the first biometric information and the second biometric information with each other.

[0122] Since operation 711 is at least partially identical or similar to operation 511 of FIG. 5, a detailed description thereof will be omitted.

[0123] In operation 713, in one embodiment, the processor (350) may perform a function of the electronic device (301) based on successful authentication of the user.

[0124] Since operation 713 is at least partially identical or similar to operation 513 of FIG. 5, a detailed description thereof will be omitted.

[0125] In one embodiment, the operation of acquiring a biosignal (e.g., a remote PPG signal) based on an image corresponding to the same time period as the measured first time information, which is measured to acquire the first biosignal to obtain the first biosignal, may be an operation of synchronizing a biosignal measured using a biosensor in an external electronic device to acquire the first biosignal and a biosignal acquired based on an image acquired through a camera (330) in an electronic device (301) to acquire the second biosignal. Through this operation, user authentication performed in real time can be performed more accurately.

[0126] FIG. 8 is a diagram for explaining a method of performing authentication using biometric information according to one embodiment.

[0127] Referring to FIG. 8, in one embodiment, in the examples described through FIGS. 5 to 7, authentication of a user is performed by comparing first biometric information received from an external electronic device (e.g., external electronic device (401-1)) and second biometric information acquired from an electronic device (301), but is not limited thereto.

[0128] In one embodiment, the processor (350) may perform authentication on a user by receiving a plurality of first biometric information from each of a plurality of external electronic devices through the communication circuit (310) and comparing the received plurality of first biometric information and second biometric information.

[0129] In one embodiment, the processor (350) may control the external electronic device (401-1) and the external electronic device (401-2) to measure the first biometric information of the user, respectively, based on obtaining an input for authentication. For example, the processor (350) may obtain an input for authentication while displaying a screen (810) (e.g., a lock screen) including an object (811) (e.g., an icon) indicating that the electronic device (301) is in a locked state through the display (320). The processor (350) may control the external electronic device (401-1) and the external electronic device (401-2) to measure the first biometric information of the user, respectively, based on obtaining the input for authentication.

[0130] In one embodiment, the processor (350) may receive first-first biometric information (e.g., first biometric information measured by the external electronic device (401-1)) from the external electronic device (401-1) and receive first-second biometric information (e.g., first biometric information measured by the external electronic device (401-2)) from the external electronic device (401-2) via the communication circuit (310).

[0131] In one embodiment, the processor (350) may obtain second biometric information based on an image obtained through the camera (330) based on an input for authentication being obtained.

[0132] In one embodiment, the processor (350) may perform authentication on a user by comparing the first biometric information, the first biometric information, and the second biometric information. For example, the processor (350) may determine that authentication is successful based on the first similarity between the first biometric information and the second biometric information, the second similarity between the first biometric information and the second biometric information, and the third similarity between the first biometric information and the first biometric information all being equal to or greater than a threshold similarity. The processor (350) may determine that authentication is unsuccessful based on the first similarity between the first biometric information and the second biometric information, the second similarity between the first biometric information and the second biometric information, or the third similarity between the first biometric information and the first biometric information being less than a threshold similarity.

[0133] FIG. 9 is a flowchart (900) for explaining a method of performing authentication using biometric information according to one embodiment.

[0134] Referring to FIG. 9, in operation 901, in one embodiment, the processor (350) may obtain input for executing a function of the electronic device (301) that requires authentication for a user.

[0135] Since operation 901 is at least partially identical or similar to operation 501 of FIG. 5, a detailed description thereof will be omitted.

[0136] In operation 903, in one embodiment, the processor (350) may control an external electronic device wirelessly connected to the electronic device (301) to measure a user's biosignal (hereinafter also referred to as a "first biosignal") through a communication circuit (310) based on obtaining an input for executing a function of the electronic device (301) that requires authentication of the user.

[0137] In one embodiment, the first biosignal may be a biosignal that an external electronic device (e.g., a wearable device (401) worn by a user) is set to measure based on a signal received from the electronic device (301) when the electronic device (301) obtains an input for authentication. For example, the first biosignal may include a biosignal for obtaining (e.g., measuring) first bioinformation. For example, when the first bioinformation includes at least one of a heart rate or a heart rate variability, the first biosignal may be a PPG signal obtained through a PPG sensor of the external electronic device to obtain at least one of a heart rate or a heart rate variability.

[0138] In one embodiment, the processor (350) may transmit a signal (hereinafter referred to as a “second signal”) to an external electronic device (e.g., a wearable device (401)) through the communication circuit (310) based on obtaining an input for authentication, causing the external electronic device to perform an operation of obtaining a first biosignal of the user.

[0139] In one embodiment, an external electronic device (e.g., a wearable device (401)) may measure a first biosignal of a user based on receiving a second signal from the electronic device (301). For example, the external electronic device may measure a PPG signal as the first biosignal through a PPG sensor based on receiving the second signal from the electronic device (301).

[0140] In operation 905, in one embodiment, the processor (350) may receive a biosignal (e.g., a first biosignal measured by the external electronic device) from an external electronic device through the communication circuit (310).

[0141] In operation 907, in one embodiment, the processor (350) may obtain first bio-information based on a bio-signal (first bio-signal) received from an external electronic device via the communication circuit (310). For example, the processor (350) may obtain first bio-information from the PPG signal based on a PPG signal being received as the first bio-signal from the external electronic device via the communication circuit (310).

[0142] In operation 911, in one embodiment, the processor (350) may obtain second biometric information based on an image of the user obtained through the camera (330).

[0143] Since operation 911 is at least partially identical or similar to operation 509 of FIG. 5, a detailed description thereof will be omitted.

[0144] In operation 913, in one embodiment, the processor (350) may determine whether authentication of the user is successful by comparing the first biometric information and the second biometric information with each other.

[0145] Since operation 913 is at least partially identical or similar to operation 511 of FIG. 5, a detailed description thereof will be omitted.

[0146] In operation 915, in one embodiment, the processor (350) may perform a function of the electronic device (301) based on successful authentication of the user.

[0147] Since operation 915 is at least partially identical or similar to operation 513 of FIG. 5, a detailed description thereof will be omitted.

[0148] FIG. 10 is a flowchart (1000) for explaining a method of performing authentication using biometric information according to one embodiment.

[0149] Referring to FIG. 10, in one embodiment, although the examples described above describe the electronic device (301) acquiring second biometric information based on an image acquired through the camera (330), this is not limited thereto. For example, the processor (350) may perform user authentication by comparing biometric information acquired by the first external electronic device using a biometric sensor with biometric information acquired by the second external electronic device based on an image. This will be described in detail below through operations 1001 to 1013.

[0150] In operation 1001, in one embodiment, the processor (350) may obtain input for executing a function of the electronic device (301) that requires authentication for a user.

[0151] Since operation 1001 is at least partially identical or similar to operation 501 of FIG. 5, a detailed description thereof will be omitted.

[0152] In operation 1003, in one embodiment, the processor (350) may control a first external electronic device wirelessly connected to the electronic device (301) to measure first biometric information of the user through a communication circuit (310) based on obtaining an input for executing a function of the electronic device (301) that requires authentication of the user.

[0153] The operation of controlling the first external electronic device of operation 1003 to measure the user's first biometric information is at least partially identical or similar to the operation of controlling the external electronic device of operation 503 of FIG. 5 to measure the user's first biometric information, and therefore, a detailed description thereof will be omitted.

[0154] In operation 1005, in one embodiment, the processor (350) may receive first biometric information from a first external electronic device via the communication circuit (310).

[0155] The operation of receiving the first biometric information from the first external electronic device through the communication circuit (310) of operation 1005 is at least partially the same as or similar to the operation of receiving the first biometric information from the external electronic device through the communication circuit (310) of operation 505 of FIG. 5, and therefore, a detailed description thereof will be omitted.

[0156] In operation 1007, in one embodiment, the processor (350) may, based on obtaining an input for executing a function of the electronic device (301) requiring authentication for a user (e.g., the input for authentication obtained in operation 1001), control a second external electronic device wirelessly connected to the electronic device (301) to measure third biometric information of the user through a communication circuit (310).

[0157] In one embodiment, the second external electronic device may be an electronic device that includes a camera and can obtain biometric information (hereinafter referred to as “third biometric information”) based on an image obtained through the camera.

[0158] In one embodiment, the third biometric information may be biometric information that the second external electronic device is configured to acquire based on an image acquired by the second external electronic device through a camera when the electronic device (301) acquires an input for authentication. For example, the third biometric information may include at least one of the user's heart rate or heart rate variability, but is not limited thereto. For example, the second biometric information may include at least one of the user's oxygen saturation, respiration rate, stress level, or blood pressure.

[0159] In operation 1009, in one embodiment, the processor (350) may receive third biometric information from a second external electronic device via the communication circuit (310).

[0160] In operation 1011, in one embodiment, the processor (350) may determine whether authentication of the user is successful by comparing the first biometric information and the third biometric information with each other.

[0161] Since operation 1011 is at least partially identical or similar to operation 511 of FIG. 5, a detailed description thereof will be omitted.

[0162] In operation 1013, in one embodiment, the processor (350) may perform a function of the electronic device (301) based on successful authentication of the user.

[0163] Since operation 1013 is at least partially identical or similar to operation 513 of FIG. 5, a detailed description thereof will be omitted.

[0164] An electronic device (301) according to one embodiment may include a camera (330), a communication circuit (310), and at least one processor (350). The at least one processor (350) may be configured to obtain an input for executing a function of the electronic device (301) requiring authentication of a user, and, based on obtaining the input, control an external electronic device wirelessly connected to the electronic device (301) through the communication circuit (310) to measure first biometric information of the user, receive the first biometric information from the external electronic device through the communication circuit (310), and, based on obtaining the input, obtain an image of the user through the camera (330), obtain second biometric information of the user based on the image, determine whether the authentication is successful by comparing the first biometric information and the second biometric information with each other, and execute the function based on the authentication being successful.

[0165] In one embodiment, the at least one processor (350) may be configured to calculate a similarity between the first biometric information and the second biometric information, determine that the authentication is successful based on the calculated similarity being greater than or equal to a threshold similarity, and determine that the authentication is failed based on the calculated similarity being less than the threshold similarity.

[0166] In one embodiment, the first biometric information and the second biometric information may include at least one of heart rate, heart rate variability, oxygen saturation, respiration, stress level, or blood pressure.

[0167] In one embodiment, the at least one processor (350) may be configured to obtain a biosignal by detecting a skin color of the user based on the image, and obtain the second bioinformation based on the obtained biosignal.

[0168] In one embodiment, the image includes an image of the user, and the at least one processor (350) may be configured to receive, from the external electronic device through the communication circuit (310), the first biometric information and first time information at which a biometric signal measured to obtain the first biometric information was measured, obtain a first image obtained in the same time section as the first time information in the image, and obtain the second biometric information based on the obtained first image.

[0169] In one embodiment, the at least one processor (350) may be configured to, based on obtaining the input, control another external electronic device wirelessly connected to the electronic device (301) to measure third biometric information of the user through the communication circuit (310), receive the third biometric information from the external electronic device through the communication circuit (310), and determine whether the authentication is successful by comparing the first biometric information, the second biometric information, and the third biometric information.

[0170] In one embodiment, the at least one processor (350) may be configured to, based on obtaining the input, control another external electronic device wirelessly connected to the electronic device (301) through the communication circuit (310) to measure fourth biometric information of the user based on an image obtained through a camera of the other external electronic device, receive the fourth biometric information from the other external electronic device through the communication circuit (310), and determine whether the authentication is successful by comparing the first biometric information and the fourth biometric information with each other.

[0171] In one embodiment, the function may include at least one of a function of unlocking a lock set on the electronic device (301), a function of executing an application, or a payment function.

[0172] In one embodiment, the first biometric information and the second biometric information may be the same type of biometric information.

[0173] A method for performing authentication using biometric information in an electronic device (301) according to one embodiment may include: obtaining an input for executing a function of the electronic device (301) requiring authentication of a user; controlling an external electronic device wirelessly connected to the electronic device (301) to measure first biometric information of the user through a communication circuit (310) of the electronic device (301) based on obtaining the input; receiving the first biometric information from the external electronic device through the communication circuit (310); obtaining an image of the user through a camera (330) of the electronic device (301) based on obtaining the input; obtaining second biometric information of the user based on the image; determining whether the authentication is successful by comparing the first biometric information and the second biometric information; and executing the function based on the authentication being successful.

[0174] In one embodiment, the operation of determining whether the authentication is successful may include the operation of calculating a similarity between the first biometric information and the second biometric information, the operation of determining that the authentication is successful based on the calculated similarity being greater than or equal to a threshold similarity, and the operation of determining that the authentication is failed based on the calculated similarity being less than the threshold similarity.

[0175] In one embodiment, the first biometric information and the second biometric information may include at least one of heart rate, heart rate variability, oxygen saturation, respiration, stress level, or blood pressure.

[0176] In one embodiment, the operation of obtaining the second biometric information may include an operation of obtaining a biometric signal by detecting a skin color of the user based on the image, and an operation of obtaining the second biometric information based on the obtained biometric signal.

[0177] In one embodiment, the image includes an image of the user, and the operation of receiving the first biometric information may include an operation of receiving, from the external electronic device through the communication circuit (310), the first biometric information and first time information at which a biometric signal measured to obtain the first biometric information was measured. The operation of obtaining the second biometric information of the user may include an operation of obtaining a first image obtained in the same time section as the first time information in the image, and an operation of obtaining the second biometric information based on the obtained first image.

[0178] In one embodiment, the method may further include, based on obtaining the input, controlling another external electronic device wirelessly connected to the electronic device (301) to measure third biometric information of the user through the communication circuit (310), and receiving the third biometric information from the external electronic device through the communication circuit (310). The operation of determining whether the authentication is successful may include an operation of determining whether the authentication is successful by comparing the first biometric information, the second biometric information, and the third biometric information.

[0179] In one embodiment, the method may further include, based on obtaining the input, controlling another external electronic device wirelessly connected to the electronic device (301) via the communication circuit (310) to measure fourth biometric information of the user based on an image obtained via a camera of the other external electronic device, and receiving the fourth biometric information from the other external electronic device via the communication circuit (310). The operation of determining whether the authentication is successful may further include an operation of determining whether the authentication is successful by comparing the first biometric information and the fourth biometric information with each other.

[0180] In one embodiment, the function may include at least one of a function of unlocking a lock set on the electronic device (301), a function of executing an application, or a payment function.

[0181] In one embodiment, the first biometric information and the second biometric information may be the same type of biometric information.

[0182] An electronic device (301) according to one embodiment may include a camera (330), a communication circuit (310), and at least one processor (350). The at least one processor (350) may be configured to obtain an input for executing a function of the electronic device (301) that requires authentication of a user, and based on obtaining the input, control an external electronic device wirelessly connected to the electronic device (301) via the communication circuit (310) to measure a bio-signal of the user, receive the bio-signal from the external electronic device via the communication circuit (310), and based on the bio-signal, obtain first bio-information, based on the input, obtain an image of the user via the camera (330), and based on the image, obtain second bio-information of the user, and determine whether the authentication is successful by comparing the first bio-information and the second bio-information with each other, and based on the authentication being successful, execute the function.

[0183] In one embodiment, the at least one processor (350) may be configured to calculate a similarity between the first biometric information and the second biometric information, determine that the authentication is successful based on the calculated similarity being greater than or equal to a threshold similarity, and determine that the authentication is failed based on the calculated similarity being less than the threshold similarity.

[0184] Additionally, the structure of the data used in the embodiments of the present document described above can be recorded on a computer-readable recording medium through various means. The computer-readable recording medium includes storage media such as magnetic storage media (e.g., ROM, floppy disk, hard disk, etc.) and optical reading media (e.g., CD-ROM, DVD, etc.).

Claims

1. In the electronic device (301), Camera (330); Communication circuit (310); and comprising at least one processor (350), At least one processor (350) above: Obtaining input for executing a function of the electronic device (301) requiring authentication for the user, Based on obtaining the above input, the electronic device (301) and the external electronic device are controlled to measure the first biometric information of the user through the communication circuit (310) via an external electronic device wirelessly connected to the electronic device (301). Receive the first biometric information from the external electronic device through the communication circuit (310), Based on obtaining the above input, an image of the user is obtained through the camera (330), Based on the above image, the second biometric information of the user is obtained, By comparing the first biometric information and the second biometric information with each other, it is determined whether the authentication is successful, and An electronic device (301) configured to execute the above function based on the success of the above authentication.

2. In paragraph 1, At least one processor (350) above: Calculate the similarity between the first biometric information and the second biometric information, Based on the above-mentioned similarity being greater than or equal to the threshold similarity, it is determined that the authentication is successful, and An electronic device (301) configured to determine that the authentication has failed based on the calculated similarity being less than the threshold similarity.

3. In paragraph 1 or 2, An electronic device (301) wherein the first biometric information and the second biometric information include at least one of heart rate, heart rate variability, oxygen saturation, respiration, stress level, or blood pressure.

4. In any one of paragraphs 1 to 3, At least one processor (350) above: By detecting the skin color of the user based on the image, a biosignal is obtained, and An electronic device (301) configured to obtain the second bio-information based on the obtained bio-signal.

5. In any one of paragraphs 1 to 4, The above image contains an image of the above user, At least one processor (350) above: Receive the first biometric information and the first time information at which the biometric signal measured to obtain the first biometric information is measured from the external electronic device through the communication circuit (310), Obtaining a first image obtained in the same time interval as the first time information in the above image, and An electronic device (301) configured to acquire the second biometric information based on the acquired first image.

6. In any one of paragraphs 1 to 5, At least one processor (350) above: Based on obtaining the above input, controlling another external electronic device wirelessly connected to the electronic device (301) through the communication circuit (310) to measure the third biometric information of the user, Receive the third biometric information from the external electronic device through the communication circuit (310), and An electronic device (301) configured to determine whether the authentication is successful by comparing the first biometric information, the second biometric information, and the third biometric information.

7. In any one of paragraphs 1 to 6, At least one processor (350) above: Based on obtaining the above input, controlling another external electronic device wirelessly connected to the electronic device (301) through the communication circuit (310) to measure the fourth biometric information of the user based on an image obtained through a camera of the other external electronic device, Receive the fourth biometric information from the other external electronic device through the communication circuit (310), and An electronic device (301) configured to determine whether the authentication is successful by comparing the first biometric information and the fourth biometric information with each other.

8. In any one of paragraphs 1 to 7, The above function is an electronic device (301) including at least one of a function of unlocking a lock set on the electronic device (301), a function of executing an application, or a payment function.

9. In any one of paragraphs 1 to 8, An electronic device (301) wherein the first biometric information and the second biometric information are biometric information of the same type.

10. In a method for performing authentication using biometric information in an electronic device (301), An action of obtaining input for executing a function of the electronic device (301) requiring authentication of a user; An operation of controlling an external electronic device wirelessly connected to the electronic device (301) to measure the first biometric information of the user through a communication circuit (310) of the electronic device (301) based on obtaining the input; An operation of receiving the first biometric information from the external electronic device through the communication circuit (310); An operation of acquiring an image of the user through a camera (330) of the electronic device (301) based on acquiring the above input; An operation of obtaining second biometric information of the user based on the image; An operation of determining whether the authentication is successful by comparing the first biometric information and the second biometric information with each other; and A method comprising an action of executing the function based on the success of the above authentication.

11. In paragraph 10, The actions that determine whether the above authentication is successful are: An operation of calculating a similarity between the first biometric information and the second biometric information; An operation of determining that the authentication is successful based on the above-mentioned similarity being greater than or equal to a threshold similarity; and A method including an action of determining that the authentication has failed based on the calculated similarity being less than the threshold similarity.

12. In paragraph 10 or 11, A method wherein the first biometric information and the second biometric information include at least one of heart rate, heart rate variability, oxygen saturation, respiration, stress level, or blood pressure.

13. In any one of paragraphs 10 to 12, The operation of obtaining the second biometric information is: An operation of acquiring a biosignal by detecting the skin color of the user based on the image; and A method including an operation of obtaining the second bio-information based on the obtained bio-signal.

14. In any one of paragraphs 10 to 13, The above image contains an image of the above user, The operation of receiving the first biometric information includes an operation of receiving the first biometric information and first time information at which the biometric signal measured to obtain the first biometric information was measured from the external electronic device through the communication circuit (310). The action of obtaining the second biometric information of the above user is: An operation of acquiring a first image acquired in the same time section as the first time information in the above image; and A method comprising an operation of acquiring the second biometric information based on the acquired first image.

15. In any one of paragraphs 10 to 14, Based on obtaining the above input, an operation of controlling another external electronic device wirelessly connected to the electronic device (301) to measure the third biometric information of the user through the communication circuit (310); and Further comprising an operation of receiving the third biometric information from the external electronic device through the communication circuit (310), A method wherein the operation of determining whether the authentication is successful includes an operation of determining whether the authentication is successful by comparing the first biometric information, the second biometric information, and the third biometric information.

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