Abstract:
A memory controller includes a key generator, an encryption and decryption circuit, and a processor. The key generator generates a first security key and a second security key based on a write request from a host. The encryption and decryption circuit encrypts write data corresponding to the write request based on the first security key to generate encrypted write data, and encrypts the first security key based on the second security key to generate a first encrypted security key. The processor controls nonvolatile memories such that the encrypted write data, the first encrypted security key, and the second security key are programmed in at least one of the nonvolatile memories, and controls the nonvolatile memories such that a dummy program operation is performed on a page of the nonvolatile memories in which the second security key is programmed instead of erasing the encrypted write data.
Abstract:
An electronic device and method are provided. The electronic device includes a communication module configured to support short-range wireless communication with an external device using a first band and a second band; a processor electrically connected to the communication module; and a memory electrically connected to the processor, wherein the memory, when executed, stores instructions to cause the processor to confirm at least one characteristic of a function and surrounding network environment information in response to a function performance request, and perform the function through one of the first band and the second band of the external device based on at least one of the characteristic of the function and the surrounding network environment information.
Abstract:
An integrated circuit device includes: a substrate including a first surface and a second surface that is opposite to the first surface; and a diode structure including: an upper semiconductor layer disposed on the first surface of the substrate and including a first dopant of a first conductivity type; a lower semiconductor layer disposed on the second surface of the substrate and including a second dopant of a second conductivity type that is different from the first conductivity type; and a first well region provided in a portion of the substrate that is between the upper semiconductor layer and the lower semiconductor layer, wherein the first well region is in contact with the upper semiconductor layer or the lower semiconductor layer.
Abstract:
The present invention may include an electronic device comprising: a communication module for supporting first short-range wireless communication and second short-range wireless communication; and a processor which is functionally connected to the communication module, wherein the processor is configured to: establish a connection to a first external device over at least one channel in a band through the communication module, using the first short-range wireless communication; while the connection to the first external device is established, identify a request for performing the second short-range wireless communication with a second external device; and connect the second external device to the first external device or an external communication server over the at least one channel in the band, using the second short-range wireless communication, in response to the request. However, the present invention is not limited to the above-described embodiment, and may include other embodiments.
Abstract:
A memory controller (110) and a storage device (100) including the same are disclosed. The memory controller is for controlling a nonvolatile memory (120), and includes a security access control module configured to convert biometric authentication data received from a biometric module (300) into security configuration data having a data format according to a security standard protocol. The security access module is further configured to perform, based on the security configuration data, at least one of authority registration and authority authentication of a user authority set for an access control of a secure area of the nonvolatile memory, where encrypted user data is stored in the secure area. The memory controller further includes a data processing unit configured to, based on an access to the secure area being permitted, encrypt user data received from a host device (200) or decrypt the encrypted user data read from the secure area.
Abstract:
The present invention may include an electronic device comprising: a communication module for supporting first short-range wireless communication and second short-range wireless communication; and a processor which is functionally connected to the communication module, wherein the processor is configured to: establish a connection to a first external device over at least one channel in a band through the communication module, using the first short-range wireless communication; while the connection to the first external device is established, identify a request for performing the second short-range wireless communication with a second external device; and connect the second external device to the first external device or an external communication server over the at least one channel in the band, using the second short-range wireless communication, in response to the request. However, the present invention is not limited to the above-described embodiment, and may include other embodiments.
Abstract:
A magnetic tunnel junction element including: a pinned layer (120) and a free layer (140) facing each other; a buffer layer (151) on the pinned layer (120); an auxiliary layer (152) on the buffer layer (151); a polarization enhancement layer (160) between the auxiliary layer (152) and the free layer (140); and a tunnel barrier layer between the polarization enhancement layer (160) and the free layer (140), wherein the buffer layer (151) is amorphous and includes CoFeBX, and X is W, Mo, Re or Ta, the auxiliary layer (152) includes W, Mo, or Ta.
Abstract:
A Printed Circuit Board (PCB) design device is provided. The PCB design device includes: a display, memory storing rule information applied to PCB design, one or more processors configured to, based on electronic circuit information of an electronic device, identify connection information between a plurality of circuit elements included in the electronic circuit information, obtain at least one group by classifying the plurality of circuit elements according to the identified connection information, identify one of the circuit elements included in the at least one group as a representative circuit element based on the rule information, based on a user command being received, place the identified representative circuit element at a position corresponding to the user command within a screen of the display, and control the display to place and display remaining circuit elements among the circuit elements, excluding the representative circuit element, to be adjacent with reference to the representative circuit element.
Abstract:
Provided is a method, performed by an augmented reality (AR) device, of measuring a user's vision. The method includes obtaining a background image including an image of at least one physical object by capturing a front region of the AR device by using an outward facing camera included in the AR device, identifying an edge of the image of the at least one physical object in the background image, determining a first region for measuring the user's vision on the background image based on the identified edge, determining a second region corresponding to the determined first region on a display included in the AR device, outputting a virtual object for measuring the user's vision to the determined second region, obtaining a user input signal for vision measurement after outputting the virtual object, and calculating a vision prescription value of a user based on the obtained user input signal.
Abstract:
Provided are an apparatus and method for measuring a visual acuity (VA) by using a focus-tunable lens. The apparatus includes a display engine, an image combiner, a focus-tunable lens provided on a path of the light guided by the image combiner, an input device, and a processor configured to control the focus-tunable lens to assign different first and second optical powers to first and second lens regions, respectively, on a lens surface of the focus-tunable lens, control the display engine to display a VA measuring image through first and second output regions of the image combiner, control the input device to receive a user's input with respect to the VA measuring image, specify one optical power of the first and second optical powers based on the user's input, and determine a VA of a user based on the specified optical power.