Abstract: The present disclosure aims to provide a backdoor inspection device, a user device, a system, a method, and a non-transitory computer-readable medium that can increase trustability of software as to whether or not there is a backdoor in the software. A system according to the present disclosure includes: a plurality of backdoor inspection devices; a plurality of databases; and a user device, in which the backdoor inspection device includes: a backdoor presuming means for performing backdoor inspection on a prescribed software installed in a counterpart device that communicates with the user device and presumes whether or not there is a backdoor in the prescribed software; a certificate issuance means for issuing a backdoor inspection certificate including a result of the backdoor inspection, the database includes: a registration means for registering the backdoor inspection certificate; and a transmission means for transmitting the backdoor inspection certificate.

Abstract: An identifying unit identifies, in a backdoor inspection device, a plurality of code blocks included in software to be inspected. An inspection unit executes backdoor inspection processing on the software to be inspected for the plurality of the code blocks that are identified by the identifying unit. An adjustment processing unit executes adjustment processing including obfuscation processing on the software to be inspected. A certificate generation unit generates a first certificate containing at least information on a result of the backdoor inspection processing. An output unit outputs the software to be inspected on which the adjustment processing has been performed together with the first certificate.

Abstract: A communication apparatus, a control program of the communication apparatus, and a relay apparatus are provided. The communication apparatus is configured to download electronic data from a server storing a first amount or more of electronic data and to output the downloaded electronic data. The communication apparatus includes an output unit configured to output a second amount of electronic data smaller than the first amount at one time, a download information acquiring unit configured to acquire download information necessary for downloading the first amount of electronic data stored in the server, from the server, a download unit configured to download the second amount of electronic data of the first amount of electronic data from the server, using the download information acquired by the download information acquiring unit. The output unit is configured to output the electronic data downloaded by the download unit.

Abstract: A communication device may establish a first wireless connection with a first external device, and receive target wireless setting information from the first external device by using the first wireless connection, the target wireless setting information being for participating as a child station in a target wireless network formed by a target access point different from the first external device. The communication device may control a display unit to display a predetermined screen for accepting a trigger operation, the trigger operation being a trigger of participation in the target wireless network, and establish a target wireless connection with the target access point by using the target wireless setting information so as to participate as the child station in the target wireless network, in a case where the trigger operation is accepted after the predetermined screen has been displayed.

Abstract: In backdoor inspection apparatus, an inspection control unit controls whether or not to cause a target functional block to be input to an inspection unit according to trust of the target functional block. The inspection unit executes inspection processing for a backdoor on the input target functional block.

Abstract: In a backdoor inspection apparatus, a static analysis unit executes static analysis processing for a backdoor on each code block included in target software to be inspected to thereby specify a first code block and a condition, the first code possibly being the backdoor and the first code block being executed under the condition. Next, the static analysis unit outputs the target software to which first information indicating the specified first code block is added and second information indicating the specified condition to a dynamic analysis unit. The dynamic analysis unit controls dynamic analysis processing for the backdoor performed on the target software to which the first information is added based on the first information and the second information.

Abstract: In a backdoor inspection apparatus, a specifying unit specifies a plurality of functional blocks respectively corresponding to a plurality of functions included in a target software. Inspection units executes inspection processing for each different type of backdoors. A distribution unit inputs the functional blocks specified by the specifying unit to at least some of the inspection units according to functions corresponding to each functional block specified by the specifying unit.

Abstract: The present disclosure aims to provide a backdoor inspection device, a user device, a system, a method, and a non-transitory computer-readable medium that enable a third party to easily verify whether software contains a backdoor. A backdoor inspection device according to the present disclosure includes: a backdoor presuming means for analyzing a function and a structure of the software, performing backdoor inspection on the software, and identifying a presumed code that is presumed to be the backdoor from the software; and a certificate issuance means for issuing a certificate that includes information about the backdoor inspection and information that associates the information about the backdoor inspection with the software.

Abstract: A software analyzing device capable of extracting a candidate for an unauthorized feature or an unnecessary feature contained in a code of software is to be provided. The software analyzing device includes a feature identifying means for identifying a predetermined specific feature in a code of software, a control-flow identifying means for identifying a control flow connecting with the specific feature, and a candidate extracting means for extracting, as a candidate for an unauthorized feature or an unnecessary feature, a first code part the code of the software unreachable from the control flow connecting with the specific feature.

Abstract: The present disclosure aims to provide a backdoor inspection device, a method, and a non-transitory computer-readable medium that are capable of detecting a code being highly likely to be a backdoor from software. A backdoor inspection device according to the present disclosure includes: a backdoor presuming means for analyzing a function and a structure of software and identifying a presumed code that is presumed to be a backdoor from the software; a data flow analysis means for analyzing a propagation state of confidential data in the software and identifying a confidential code that processes the confidential data; and a backdoor determination means for identifying a backdoor code that is more likely to be the backdoor than the presumed code, based on the presumed code and the confidential code.

Abstract: A feature estimating device includes a parser identifying means for identifying a parser, the parser being contained in software, for parsing user input and executing a relevant command, a dividing means for extracting commands form a character string in the parser and clustering control flows connecting with the extracted commands as starting points to divide a code of the software for each feature, and a feature estimating means for estimating, based on a characteristic part of each divided code, a feature for each divided code.

Abstract: A communication apparatus may comprise a first wireless interface for executing a wireless communication in accordance with a first communication scheme and a second wireless interface for executing a wireless communication in accordance with a second communication scheme. The communication apparatus may receive first access point information from an external apparatus via the first interface, execute a first establishing process for establishing a first wireless connection via the second interface with a first access point using the first access point information, communicate with a particular apparatus via the second interface while relaying the first access point in a case where the establishment of the first wireless connection succeeds, and send failure information to the external apparatus via the first interface in a case where the establishment of the first wireless connection fails.

Abstract: One aspect of the present invention relates to a dental fluoroaluminosilicate glass powder, a 50th percentile volume diameter of which is 5.0 ?m or more and 9.0 ?m or less, and a 10th percentile volume diameter of which is 2.4 ?m or more.

Abstract: A semiconductor storage device includes a first conductive layer; a first insulating layer between the first and second conductive layers; a second insulating layer between the first conductive layer and the first insulating layer; a third insulating layer between the second conductive layer and the first insulating layer; a fourth insulating layer between the second conductive layer and the third conductive layer; a fifth insulating layer between the second conductive layer and the fourth insulating layer; and a sixth insulating layer between the third conductive layer and the fourth insulating layer. The first conductive layer has a first surface. The second conductive layer has a second surface. A barrier conductive film containing at least one of nitrogen (N) or titanium (Ti) is provided on the first surface and the second surface.

Abstract: A semiconductor storage device includes: a conductive layer and a second conductive layer that are arranged in a first direction; a plurality of first semiconductor layers facing the first conductive layer between the first conductive layer and the second conductive layer, the plurality of first semiconductor layers being arranged in a second direction that intersects the first direction; a first charge storage layer that is provided between the plurality of first semiconductor layers and the first conductive layer in the first direction, and extends in the second direction over a plurality of regions between the plurality of first semiconductor layers and the first conductive layer; and a first insulating layer provided between the plurality of first semiconductor layers and the first charge storage layer in the first direction.

Abstract: A communication device may, in response to a wireless link via a first wireless interface being established with a terminal device while the communication device is a first parent station state, receive predetermined information from the terminal device via a second wireless interface, if the predetermined information is received, shift the communication device from the first parent station state to a second parent station state, wherein the communication device is maintained in the first parent station state if the predetermined information is not received even if the wireless link via the first wireless interface has been established with the terminal device and after the communication device has been shifted to the second parent station state, establish a first wireless connection via the second wireless interface with the terminal device so as to cause the terminal device to participate in the second wireless network as a child station.

Abstract: A communication device may, in a specific situation where the communication device is in a parent station state in which the communication device operates as a parent station of a first wireless network and N pieces of first external devices participate in the first wireless network as child stations, receive a belonging request from a second external device. The communication device may shift from the parent station state to a first state, in a case where the belonging request is received in the specific situation, execute a wireless communication of target data with the second external device, shift from the first state to the parent station state, and cause M pieces of the first external devices among the N pieces of the first external devices to participate in the first wireless network again as child stations after the communication device has been shifted to the parent station state.

Abstract: A relay apparatus is connected to a communication apparatus, a service providing apparatus and a browser-equipped apparatus.

Abstract: A terminal device may display a first screen including a first button, send a first request including a search command to a communication device by using a first wireless connection in a case where the first button is selected, display a second screen including a second button in a case where a first response including one or more identification information is received from the communication device by using the first wireless connection, and send a second request including wireless setting information and a connection command to the communication device by using the first wireless connection in a case where the second button is selected. The connection command may be for causing the communication device to establish a second wireless connection by using the wireless setting information.

Abstract: One aspect of the present invention relates to a dental fluoroaluminosilicate glass powder, a 50th percentile volume diameter of which is 5.0 pm or more and 9.0 pm or less, and a 10th percentile volume diameter of which is 2.4 pm or more.