WO2015097760A1 - 情報処理装置およびデータフィルタリングプログラム - Google Patents
情報処理装置およびデータフィルタリングプログラム Download PDFInfo
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- WO2015097760A1 WO2015097760A1 PCT/JP2013/084528 JP2013084528W WO2015097760A1 WO 2015097760 A1 WO2015097760 A1 WO 2015097760A1 JP 2013084528 W JP2013084528 W JP 2013084528W WO 2015097760 A1 WO2015097760 A1 WO 2015097760A1
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- 230000010365 information processing Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 description 72
- 230000005856 abnormality Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 8
- 230000002159 abnormal effect Effects 0.000 description 6
- 230000006399 behavior Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000009385 viral infection Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/10—Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/29—Instruments characterised by the way in which information is handled, e.g. showing information on plural displays or prioritising information according to driving conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
- B60R2325/10—Communication protocols, communication systems of vehicle anti-theft devices
- B60R2325/101—Bluetooth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
- B60R2325/20—Communication devices for vehicle anti-theft devices
- B60R2325/205—Mobile phones
Definitions
- the present invention relates to an information processing apparatus and a data filtering program.
- the in-vehicle device receives control information including operation information indicating the operation content for controlling the in-vehicle device and information for specifying the mobile terminal, for example, from the mobile terminal.
- control information including operation information indicating the operation content for controlling the in-vehicle device and information for specifying the mobile terminal, for example, from the mobile terminal.
- the in-vehicle device determines whether or not to accept the operation specified by the operation information on the condition that the portable terminal that has transmitted the control information is a portable terminal that allows keyless entry. The process according to the operation information is executed.
- the conventional in-vehicle apparatus has a problem that even if the data transmitted from the outside is malicious data, if the transmission source is recognized, the process according to the data is executed.
- the in-vehicle device is specified by the operation information if the mobile terminal that has transmitted the control information including the operation information and information for specifying the mobile terminal is a mobile terminal that allows keyless entry.
- the function for which the operation is permitted is executed according to the operation information. Therefore, even if the operation information is malicious information, the in-vehicle device executes a function for which the operation specified by the operation information is permitted if the operation information is approved by the transmission source mobile terminal. End up.
- the objective is to improve the reliability of execution related to data transmitted from the outside.
- the control command is the first command.
- An analysis unit that analyzes whether the content includes an additional condition related to the condition, and if the control instruction is analyzed by the analysis unit as content including an additional condition related to the first condition, An additional condition determining unit that determines whether or not the control instruction satisfies an additional condition; and when the additional condition determining unit determines that the additional condition is satisfied, determines whether or not the control instruction satisfies a second condition And a processing unit that executes processing according to the determination of the second determination unit.
- the reliability of execution related to data transmitted from the outside can be improved.
- FIG. 1 is a block diagram illustrating the configuration of the data filtering system according to the embodiment.
- FIG. 2 is a block diagram illustrating the configuration of the information processing apparatus according to the embodiment.
- FIG. 3 is a diagram illustrating an example of a data structure of the filtering condition storage unit according to the embodiment.
- FIG. 4 is a diagram illustrating an example of a data structure of the log storage unit according to the embodiment.
- FIG. 5 is a flowchart illustrating the data filtering process according to the embodiment.
- FIG. 6 is a diagram illustrating an example of a computer that executes a data filtering program.
- FIG. 1 is a block diagram illustrating the configuration of the data filtering system according to the embodiment.
- the data filtering system 9 includes an information processing device 1, a terminal device 2, and a vehicle device 3.
- the data filtering system 9 establishes a communication connection between the terminal device 2 and the information processing device 1 and executes various communications from the information processing device 1 to the vehicle device 3.
- Examples of the communication connection between the terminal device 2 and the information processing device 1 include a connection by short-range wireless communication such as Bluetooth (registered trademark).
- the vehicle device 3 is a device mounted on the vehicle, and includes, for example, a driver's seat, a handle, an accelerator, a brake, a meter, and the like.
- the terminal device 2 has an operation function and a communication function, and corresponds to a portable terminal device such as a tablet, a smartphone, a mobile phone, a PHS (Personal Handyphone System), a PDA (Personal Digital Assistance), etc. . That is, the terminal device 2 may be a terminal device that has a communication function and can be brought into the vehicle.
- a portable terminal device such as a tablet, a smartphone, a mobile phone, a PHS (Personal Handyphone System), a PDA (Personal Digital Assistance), etc.
- the terminal device 2 may be a terminal device that has a communication function and can be brought into the vehicle.
- the control application 21 is installed in the terminal device 2.
- the control application 21 is an application for controlling the vehicle device 3.
- the control application 21 is an application that controls a driver's seat, an application that controls a steering wheel, or an application that controls an accelerator. That is, in the data filtering system 9, for example, a driver who drives a vehicle brings the terminal device 2 into the vehicle and uses the terminal device 2 as a vehicle control panel via the control application 21.
- the driver activates the control application 21 using an operation button mounted on the terminal device 2.
- a control instruction corresponding to the operation is output to the information processing apparatus 1.
- the control application 21 is downloaded from, for example, the site of a legitimate manufacturer that produced the vehicle.
- control application 21 may be falsified due to virus infection.
- the control application 21 may execute malicious data on the vehicle device 3 according to the contents of the tampering. Therefore, when the control application 21 is falsified, the information processing apparatus 1 described later filters (selects) malicious data.
- the control application 21 demonstrated that a driver
- the control application 21 may reside in the memory at the timing when the terminal device 2 is turned on.
- the information processing apparatus 1 verifies the sequence of data and the state of the vehicle, and filters malicious data when executing data operated from outside the vehicle on the vehicle.
- the data sequence here refers to, for example, the behavior of the manipulated data from the past to the present.
- data operated from outside the vehicle will be referred to as a “control command”.
- FIG. 2 is a block diagram illustrating the configuration of the information processing apparatus according to the embodiment.
- the information processing apparatus 1 includes communication control I / F units 11 and 12, a storage unit 13, and a control unit 14.
- the communication control I / F unit 11 is an interface that controls communication with the terminal device 2.
- the communication control I / F unit 12 is an interface that controls communication with the vehicle device 3.
- the storage unit 13 corresponds to a storage device such as a nonvolatile semiconductor memory element such as a flash memory (Flash Memory) or an FRAM (registered trademark) (Ferroelectric Random Access Memory).
- the storage unit 13 includes a filtering condition storage unit 131 and a log storage unit 132.
- the filtering condition storage unit 131 stores a plurality of patterns of conditions for selecting (filtering) control commands operated from the outside. That is, the filtering condition storage unit 131 stores conditions used for detecting malicious control commands. For example, the filtering condition storage unit 131 is downloaded from the download source of the control application 21 at the timing when the control application 21 is downloaded to the terminal device 2. The data structure of the filtering condition storage unit 131 will be described later.
- the log storage unit 132 stores a control command operated from the outside as a log.
- the log storage unit 132 is stored by a filtering unit 142 described later.
- the data structure of the log storage unit 132 will be described later.
- the control unit 14 has an internal memory for storing programs and control data that define various processing procedures, and executes various processes using these. And the control part 14 respond
- the control unit 14 includes a vehicle state detection unit 141, a filtering unit 142, an execution processing unit 143, and an abnormality processing unit 144.
- the vehicle state detection unit 141 detects the vehicle state of the vehicle device 3. For example, the vehicle state detection unit 141 determines whether the vehicle is stopped, parked, accelerated, decelerated, left-turned, or right-turned as the vehicle state. Etc. are detected.
- the filtering unit 142 refers to the log and vehicle state stored in the log storage unit 132 based on the filtering condition stored in the filtering condition storage unit 131, and filters the control command operated from the outside.
- the filtering unit 142 includes a first determination unit 142a, an analysis unit 142b, an additional condition determination unit 142c, and a second determination unit 142d.
- FIG. 3 is a diagram illustrating an example of a data structure of the filtering condition storage unit according to the embodiment.
- the filtering condition storage unit 131 stores a first condition 131b and an additional condition 131c as sequence conditions in association with a command ID (identification) 131a.
- the filtering condition storage unit 131 stores the second condition 131d as the vehicle condition in association with the command ID 131a.
- the filtering condition storage unit 131 stores the execution permission / refusal 131e in association with the command ID 131a.
- the command meaning 131f in FIG. 3 is a supplementary explanation indicating what the command has.
- the command ID 131a is an identifier of a control command operated from the terminal device 2.
- the command ID 131a is different for each operation.
- a condition that may be malicious is set for the command indicated by the command ID 131a.
- the additional condition 131c as a sequence condition is a condition related to the first condition 131b.
- the additional condition 131c is set with a condition that may be malicious regarding the command sequence (behavior) indicated by the command ID 131a.
- the execution permission / rejection 131e is permission / rejection of execution of the command indicated by the command ID 131a.
- the execution permission / refusal 131e is set to either “OK” indicating that execution is permitted or “NG” indicating that execution is not permitted.
- the filtering unit 142 which will be described later, sets the execution permission / rejection 131e when the additional condition 131c is set and the command indicated by the command ID 131a satisfies all of the first condition 131b, the additional condition 131c, and the second condition 131d. Perform the appropriate process.
- the filtering unit 142 executes a process according to the execution permission / refusal 131e if the command indicated by the command ID 131a satisfies all of the first condition 131b and the second condition 131d. . For example, if the execution permission / refusal 131e is “NG”, the execution is stopped.
- the vehicle device 3 is not “not parked” (parking If so, execution proceeds. In other words, even if the “move seat position forward or backward” command is accepted “more than 3 times / second”, it is safe to move the seat position if the vehicle is parked. It is determined that the command is not.
- the command meaning 131f is interpreted as “handle movement”.
- the conditions of the sequence “moving the steering angle 45 degrees to the left and right” is stored as the first condition 131b, and “3 times / second or more” is stored as the additional condition 131c.
- the condition of the vehicle state “when traveling at a speed of 4 km / h or more” is stored as the second condition 131d. “NG” is stored as the execution permission / refusal 131e.
- the command “640” indicated by the command ID 131a is a command “moves the steering angle 45 degrees to the left and right” and is accepted “3 times / second or more”, and the vehicle device 3 “runs at a speed of 4 km / h or more” If "time", execution is aborted.
- the command “move the steering angle 45 degrees to the left and right” is accepted “3 times / second or more”
- the command is a malicious command on the condition that the vehicle is traveling at a speed of 4 km / h or more. It is judged that. This is because it is dangerous to move the steering angle of the steering wheel 45 degrees to the left and right many times while the vehicle is traveling at 4 km / h or more.
- first condition 131b, the additional condition 131c, and the second condition 131d stored in the filtering condition storage unit 131 illustrated in FIG. 3 are examples, and are not limited thereto.
- FIG. 4 is a diagram illustrating an example of a data structure of the log storage unit according to the embodiment.
- the log storage unit 132 stores a command reception time 132a, a command ID 132b, a data length 132c, and a data body 132d in association with each other.
- the command ID meaning 132e and the command meaning 132f in FIG. 4 are supplementary explanations indicating the intent of the entire command, and are not actual data structures.
- the command reception time 132a is the time when the control command operated from the terminal device 2 is received.
- the command ID 132 b is an identifier of a control command operated from the terminal device 2 and corresponds to the command ID 131 a in the filtering condition storage unit 131.
- a command ID included in the control command is set in the command ID 132b.
- the data length 132c is the length (bytes) of data in the control command.
- the data body 132d is a body of data in the control command. In the data body 132d, the body of data included in the control command is set.
- the data body means a detailed processing operation, and is represented by an operand, for example.
- command reception time 132a is “20131130, 15: 32: 32.177” (January 30, 2013, 15:32:32 seconds 177 milliseconds)
- “639” is stored as the command ID 132b.
- “2” (bytes) is stored as the data length 132c
- “0000” is stored as the data body 132d. This means an operation of “sheet movement” and “frontmost movement”.
- the first determination unit 142a determines whether or not the control command operated from the terminal device 2 satisfies the first condition. For example, the first determination unit 142a determines whether or not the command ID 131a of the received control command is set in the filtering condition storage unit 131. If the command ID 131a of the received control command is set, the first determination unit 142a determines whether the control command satisfies the first condition 131b corresponding to the set command ID 131a.
- the filtering condition storage unit 131 shown in FIG. Assume that the command ID of the received control command is “639” (sheet movement) and the text of the control command data is “0000” indicating “frontmost movement”. Then, since the first condition 131b corresponding to the command ID 131a of “639” is “move the sheet position forward or backward”, the first determination unit 142a sets “move frontmost” as the text of the data. It is determined that the control command satisfies the first condition 131b. If the control command operated from the terminal device 2 does not satisfy all the first conditions 131b shown in FIG. 3, the first determination unit 142a corresponds to the control command to the execution processing unit 143 described later. Execute the process. This may be configured such that the execution processing unit 143 is not executed unless any of the conditions is satisfied, depending on the setting contents of the conditions in the filtering condition storage unit 131.
- the analysis unit 142b analyzes whether the control command includes content including an additional condition related to the first condition. For example, the analysis unit 142b analyzes whether the additional condition 131c corresponding to the command ID 131a of the control command that satisfies the first condition 131b is set in the filtering condition storage unit 131. If the additional condition 131c is set, the analysis unit 142b analyzes that the control command includes the additional condition 131c related to the first condition 131b. On the other hand, if the additional condition 131c is not set, the analysis unit 142b analyzes that the control command has contents that do not include the additional condition 131c related to the first condition 131b.
- the filtering condition storage unit 131 shown in FIG. If the command ID 131a of the control command that satisfies the first condition 131b is “639” or “640”, the additional condition 131c is set, and therefore the additional condition 131c related to the first condition 131b is set. It is analyzed that the content contains. On the other hand, if the command ID 131a of the control command satisfying the first condition 131b is “641” to “646”, the additional condition 131c is not set, so that the control command is added related to the first condition 131b. It is analyzed that the content does not include the condition 131c.
- the additional condition determination unit 142c determines whether or not the control command satisfies the additional condition when it is analyzed that the control command includes the additional condition related to the first condition. For example, the additional condition determination unit 142c uses a log stored in the log storage unit 132, and the control command analyzed by the analysis unit 142c as content including the additional condition 131c is a control command that has been operated in the past. It is determined whether or not the additional condition 131c is satisfied in the relationship.
- the additional condition determination unit 142c refers to the log storage unit 132 retroactively, and the command ID is “639”. Since the control commands satisfying the first condition 131b are “... 14: 20: 0.499” and “... 14: 20: 00.000” three times or more per second, the additional condition determination unit 142c Determines that the additional condition 131c “3 times / second or more” is satisfied. If all the control commands shown in FIG. 3 do not satisfy the additional condition 131c, the additional condition determining unit 142c causes the execution processing unit 143 described later to execute processing corresponding to the control command. This may be configured such that the execution processing unit 143 is not executed unless any of the conditions is satisfied, depending on the setting contents of the conditions in the filtering condition storage unit 131.
- the second determination unit 142d determines whether the control command satisfies the second condition. For example, the second determination unit 142d uses the vehicle state detected by the vehicle state detection unit 141, and the control condition determined to satisfy the additional condition 131c is the second condition 131d to which the filtering condition storage unit 131 corresponds. It is determined whether or not the above is satisfied.
- the filtering condition storage unit 131 shown in FIG. Assume that the command ID of the received control command is “639” (sheet movement) and the text of the control command data is “0000” indicating “frontmost movement”. Further, it is assumed that the vehicle state detected by the vehicle state detection unit 141 is “other than parked”. Then, the second determination unit 142d determines that the second condition 131d corresponding to the command ID 131a of “639” is “non-parking” and the vehicle state detected by the vehicle state detection unit 141 is “parked”. Since it is “other than”, it is determined that the control command “639” satisfies the second condition 131d. If all the control commands shown in FIG.
- the second determination unit 142d causes the execution processing unit 143 described later to execute a process corresponding to the control command. This may be configured such that the execution processing unit 143 is not executed unless any of the conditions is satisfied, depending on the setting contents of the conditions in the filtering condition storage unit 131.
- the second determination unit 142d determines that the control command satisfies the second condition 131d when the analysis unit 142b analyzes that the control command includes the additional condition 131c related to the first condition 131b. It is determined whether or not. If the control command does not satisfy the second condition 131d, the second determination unit 142d causes the execution processing unit 143 described later to execute processing corresponding to the control command. This may be configured such that the execution processing unit 143 is not executed unless any of the conditions is satisfied, depending on the setting contents of the conditions in the filtering condition storage unit 131.
- the execution processing unit 143 executes the control command on the vehicle device 3. For example, the execution processing unit 143 outputs a control command to the corresponding vehicle device 3. This may be configured such that the execution processing unit 143 is not executed unless any of the conditions is satisfied, depending on the setting contents of the conditions in the filtering condition storage unit 131.
- the abnormality processing unit 144 stops the execution of the control command when it is determined that the control command satisfies the second condition. In addition, the abnormality processing unit 144 outputs that the control command is abnormal. As an example, the abnormality processing unit 144 outputs a warning signal indicating that the control command operated from the terminal device 2 is abnormal to a warning lamp connected to the vehicle device 3. As another example, the abnormality processing unit 144 displays a warning text indicating that the control command operated from the terminal device 2 is abnormal on a monitor connected to the information processing device 1.
- FIG. 5 is a flowchart illustrating the data filtering process according to the embodiment.
- the filtering unit 142 determines whether a control command operated from the terminal device 2 has been received (step S11). When it is determined that the control command has not been received (step S11; No), the filtering unit 142 repeats the determination process until the control command is received.
- the filtering unit 142 determines whether or not the received control command is valid (step S12). For example, the filtering unit 142 determines whether or not the command ID of the received control command is a predetermined executable command ID. Further, the filtering unit 142 determines whether the data body included in the received control command is an executable data body corresponding to the command ID.
- the filtering unit 142 causes the abnormality processing unit 144 to output a warning (step S13). For example, the abnormality processing unit 144 stops execution of the control command. Then, the abnormality processing unit 144 outputs a warning signal indicating that the control command is abnormal to the warning lamp. Then, the abnormality processing unit 144 ends the data filtering process.
- the filtering unit 142 records the content of the received control command in the log storage unit 132 (step S14).
- the first determination unit 142a determines whether or not the command ID 131a for the received control command is set in the filtering condition storage unit 131 (step S15). When the command ID 131a for the control command is not set (step S15; No), the first determination unit 142a determines that the command is not a malicious control command, and causes the execution processing unit 143 to execute the control command (step S16). Then, the first determination unit 142a ends the data filtering process.
- the first determination unit 142a performs the following processing. That is, the first determination unit 142a determines whether or not the first condition 131b for the control command is set in the filtering condition storage unit 131 (step S17). When the first condition 131b for the control command is not set (step S17; No), the first determination unit 142a proceeds to step S23 to determine whether or not to execute.
- the first determination unit 142a determines whether or not the control command satisfies the first condition 131b (step S17). S18). For example, the first determination unit 142a refers to the data body included in the control command and determines whether or not the control command matches the first condition 131b.
- step S18 When the control command does not satisfy the first condition 131b (step S18; No), the first determination unit 142a determines that the control command is not a malicious control command, and proceeds to step S16 to execute the control command. . Then, the first determination unit 142a ends the data filtering process.
- step S18 when the control command satisfies the first condition 131b (step S18; Yes), the analysis unit 142b determines whether or not the additional condition 131c for the control command is set in the filtering condition storage unit 131 ( Step S19). When the additional condition 131c for the control command is not set (step S19; No), the analysis unit 142b proceeds to step S21 so as to determine the second condition.
- the additional condition determining unit 142c determines whether or not the control command satisfies the additional condition 131c (step S20).
- the additional condition determination unit 142c refers to the log stored in the log storage unit 132, and determines whether the control command operated this time satisfies the additional condition 131c in relation to the control command operated in the past. judge.
- the additional condition 131c for the control command is “3 times / second or more”. If the content of the control command is stored in the log storage unit 132 three or more times per second, it is determined that the additional condition 131c is satisfied. On the other hand, if the content of the control command is not stored in the log storage unit 132 three or more times per second, it is determined that the additional condition 131c is not satisfied.
- step S20 If the control command does not satisfy the additional condition 131c (step S20; No), the additional condition determination unit 142c determines that the control command is not a malicious control command, and proceeds to step S16 to execute the control command. Then, the additional condition determination unit 142c ends the data filtering process.
- step S20 when the control command satisfies the additional condition 131c (step S20; Yes), the second determination unit 142d determines whether or not the second condition 131d for the control command is set in the filtering condition storage unit 131. Determination is made (step S21). When the second condition 131d for the control command is not set (step S21; No), the second determination unit 142d proceeds to step S23 to determine whether or not to execute.
- the second determination unit 142d determines whether or not the control command satisfies the second condition 131d (step S21). S22). For example, the second determination unit 142d uses the vehicle state detected by the vehicle state detection unit 141 to determine whether or not the control command satisfies the second condition 131d.
- step S22 When the control command does not satisfy the second condition 131d (step S22; No), the second determination unit 142d determines that the control command is not a malicious control command, and proceeds to step S16 to execute the control command. . Then, the second determination unit 142d ends the data filtering process.
- the second determination unit 142d determines whether or not the execution permission / refusal 131e for the control command is “NG” (step S23). .
- the second determination unit 142d determines that the control command is a malicious control command, and causes the abnormality processing unit 144 to output a warning ( Step S24). For example, the abnormality processing unit 144 stops execution of the control command. Then, the abnormality processing unit 144 outputs a warning signal indicating that the control command is abnormal to the warning lamp. Then, the abnormality processing unit 144 ends the data filtering process.
- step S23 determines that the execution permission / refusal 131e for the control command is not “NG” (step S23; No).
- the second determination unit 142d determines that the control command is not a malicious control command, and proceeds to step S16 to execute the control command. Transition. Then, the second determination unit 142d ends the data filtering process.
- the information processing apparatus 1 that executes the control command operated from the terminal device 2 has the additional condition related to the first condition when the control command satisfies the first condition. Analyzes whether the content contains Then, when it is analyzed that the control command has contents including an additional condition related to the first condition, the information processing apparatus 1 determines whether the control command satisfies the additional condition. Then, when it is determined that the additional condition is satisfied, the information processing apparatus 1 determines whether the control command satisfies the second condition. Then, the information processing apparatus 1 executes processing according to the determination as to whether or not the control command satisfies the second condition.
- the information processing apparatus 1 uses the additional condition related to the first condition and the condition including the execution history of the command using the second condition for the control command transmitted from the outside. Since the determination process is executed, the reliability of execution of the control command can be improved. For example, when the additional condition is a condition indicating the number of control commands satisfying the first condition in a predetermined time, the information processing apparatus 1 can verify the validity of the control command in consideration of the sequence of the control command. The reliability of the command can be improved. In addition, the information processing apparatus 1 determines whether the terminal device 2 itself is valid or not, but if the control application 21 installed in the terminal device 2 has been tampered with, the information processing apparatus 1 can prevent the vehicle from being threatened as a result of tampering. Can be protected.
- the information processing apparatus 1 stops the execution of the control command when it is determined that the control command satisfies the second condition. According to this configuration, the information processing apparatus 1 can suppress execution of a malicious control command, for example.
- the information processing apparatus 1 uses the control command history stored every time the control command operated from the terminal device 2 is received, and controls the control command operated this time in the past. It is determined whether or not the additional condition is satisfied in relation to the command. According to this configuration, the information processing apparatus 1 can verify the legitimacy of the control command operated this time by using the history of the control command, so that the reliability of the control command can be improved. .
- the first condition, the additional condition, and the second condition are conditions under which the control command is considered malicious.
- the information processing apparatus 1 can suppress execution of a control command that is regarded as malicious using the first condition, the additional condition, and the second condition. Furthermore, it is possible to set only the conditions for which the control command is considered to be good intentions in the first condition, the additional condition, and the second condition, and to suppress the execution of the control command that does not meet these conditions.
- the driver who drives the vehicle brings the terminal device 2 into the vehicle and uses the terminal device 2 as a vehicle control panel via the control application 21.
- the vehicle here means a small electric vehicle, but is not limited thereto, and may be a vehicle that travels on a road such as an automobile, a light vehicle, and a motorbike. Moreover, a rail vehicle may be sufficient.
- the information processing apparatus 1 selects a control command operated from the terminal apparatus 2 based on a condition used for detecting a malicious control command stored in the filtering condition storage unit 131.
- the information processing device 1 is not limited to this, and after confirming the validity of the terminal device 2 that transmits the control command, the control command is selected using the conditions stored in the filtering condition storage unit.
- the information processing device 1 can protect the vehicle from the threat of the malicious terminal device 2 itself.
- the information processing apparatus 1 has functions such as a vehicle state detection unit 141, a filtering unit 142, an execution processing unit 143, and an abnormality processing unit 144 described above on a known personal computer, workstation, or the like. It can be realized by mounting.
- each component of the illustrated apparatus does not necessarily need to be physically configured as illustrated.
- the specific mode of device distribution / integration is not limited to that shown in the figure, and all or part of the device is functionally or physically distributed / integrated in an arbitrary unit according to various loads or usage conditions. Can be configured.
- the analysis unit 142b and the additional condition determination unit 142c may be integrated as one unit.
- the storage unit 13 may be connected as an external device of the information processing apparatus 1 via a network.
- FIG. 6 is a diagram illustrating an example of a computer that executes a data filtering program.
- the computer 200 includes a CPU 203 that executes various arithmetic processes, an input device 215 that receives input of data from the user, and a display control unit 207 that controls the display device 209.
- the computer 200 also includes a drive device 213 that reads a program or the like from a storage medium, and a communication control unit 217 that exchanges data with another computer via a network.
- the computer 200 also includes a memory 201 that temporarily stores various types of information and an HDD 205.
- the memory 201, CPU 203, HDD 205, display control unit 207, drive device 213, input device 215, and communication control unit 217 are connected by a bus 219.
- the drive device 213 is a device for the removable disk 211, for example.
- the HDD 205 stores a data filtering program 205a and data filtering processing related information 205b.
- the CPU 203 reads the data filtering program 205a, expands it in the memory 201, and executes it as a process. Such a process corresponds to each functional unit of the information processing apparatus 1.
- the data filtering processing related information 205b corresponds to the filtering condition storage unit 131 and the log storage unit 132.
- the removable disk 211 stores information such as the data filtering program 205a.
- the data filtering program 205a is not necessarily stored in the HDD 205 from the beginning.
- the program is stored in a “portable physical medium” such as a flexible disk (FD), a CD-ROM, a DVD disk, a magneto-optical disk, or an IC card inserted into the computer 200. Then, the computer 200 may read and execute the data filtering program 205a from these.
- a “portable physical medium” such as a flexible disk (FD), a CD-ROM, a DVD disk, a magneto-optical disk, or an IC card inserted into the computer 200.
- the computer 200 may read and execute the data filtering program 205a from these.
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Abstract
Description
図1は、実施例に係るデータフィルタリングシステムの構成を示すブロック図である。図1に示すように、データフィルタリングシステム9は、情報処理装置1と、端末装置2と、車両機器3とを有する。データフィルタリングシステム9は、端末装置2と情報処理装置1との間で通信接続を確立し、情報処理装置1から車両機器3へ種々の通信を実行する。端末装置2と情報処理装置1との間の通信接続には、例えば、Bluetooth(登録商標)のような近距離無線通信による接続が挙げられる。
図2は、実施例に係る情報処理装置の構成を示すブロック図である。図2に示すように、情報処理装置1は、通信制御I/F部11,12と、記憶部13と、制御部14とを有する。通信制御I/F部11は、端末装置2との通信を制御するインタフェースである。通信制御I/F部12は、車両機器3との通信を制御するインタフェースである。
次に、実施例に係るデータフィルタリング処理のフローチャートを、図5を参照して説明する。図5は、実施例に係るデータフィルタリング処理のフローチャートを示す図である。
上記実施例によれば、端末装置2から操作された制御命令を実行する情報処理装置1は、当該制御コマンドが第1の条件を満たす場合、当該制御コマンドが第1の条件に関連した追加条件を含む内容であるかを解析する。そして、情報処理装置1は、制御コマンドが第1の条件に関連した追加条件を含む内容であると解析された場合、制御コマンドが追加条件を満たすか否かを判定する。そして、情報処理装置1は、追加条件を満たすと判定された場合、制御コマンドが第2の条件を満たすか否かを判定する。そして、情報処理装置1は、制御コマンドが第2の条件を満たすか否かの判定に応じた処理を実行する。かかる構成によれば、情報処理装置1は、外部から送信された制御コマンドについて、第1の条件に関連した追加条件および第2の条件を用いてコマンドの履歴とその実行する状況を含めた条件判定の処理を実行するので、制御コマンドの実行の信頼性を向上させることが可能となる。例えば、追加条件が第1の条件を満たす制御コマンドの所定時間における回数を示す条件である場合、情報処理装置1は、制御コマンドのシーケンスを考慮して制御コマンドの正当性を検証できるので、制御コマンドの信頼性を向上させることができる。また、情報処理装置1は、端末装置2自体が正当であろうがなかろうが、当該端末装置2にインストールされた制御アプリ21が改竄されてしまった場合に、改竄の結果起こり得る脅威から車両を守ることができる。
なお、実施例に係るデータフィルタリングシステム9では、例えば車両を運転する運転者が、車両に端末装置2を持ち込んで、端末装置2を、制御アプリ21を介して車両のコントロールパネルとして利用すると説明した。ここでいう車両とは、小型の電気自動車を意味するが、これに限定されず、自動車、軽車両、原動機付き自転車等の道路上を走行する車であれば良い。また、鉄道車両であっても良い。
11,12 通信制御I/F部
13 記憶部
131 フィルタリング条件記憶部
132 ログ記憶部
14 制御部
141 車両状態検知部
142 フィルタリング部
142a 第1の判定部
142b 解析部
142c 追加条件判定部
142d 第2の判定部
143 実行処理部
144 異常処理部
2 端末装置
21 制御アプリ
3 車両機器
9 データフィルタリングシステム
Claims (5)
- 端末装置から操作された制御命令を実行する情報処理装置において、
前記端末装置から操作された制御命令が第1の条件を満たす場合、前記制御命令が前記第1の条件に関連した追加条件を含む内容であるかを解析する解析部と、
前記解析部によって前記制御命令が前記第1の条件に関連した追加条件を含む内容であると解析された場合、前記制御命令が追加条件を満たすか否かを判定する追加条件判定部と、
前記追加条件判定部によって追加条件を満たすと判定された場合、前記制御命令が第2の条件を満たすか否かを判定する第2の判定部と、
前記第2の判定部の判定に応じた処理を実行する処理部と、
を有することを特徴とする情報処理装置。 - 前記処理部は、前記第2の判定部によって前記制御命令が前記第2の条件を満たすと判定された場合、前記制御命令の実行を中止する
ことを特徴とする請求項1に記載の情報処理装置。 - 前記追加条件判定部は、前記端末装置から操作された制御命令を受け取る都度記憶する制御命令の履歴を用いて、前記端末装置から操作された制御命令が過去に操作された制御命令との関係において追加条件を満たすか否かを判定する
ことを特徴とする請求項1に記載の情報処理装置。 - 前記第1の条件、前記追加条件および前記第2の条件は、前記制御命令が悪意とみなされる条件である
ことを特徴とする請求項1に記載の情報処理装置。 - 端末装置から操作された制御命令を実行するコンピュータに、
前記端末装置から操作された制御命令が第1の条件を満たす場合、前記制御命令が前記第1の条件に関連した追加条件を含む内容であるかを解析し、
前記解析する処理によって前記制御命令が前記第1の条件に関連した追加条件を含む内容であると解析された場合、前記制御命令が追加条件を満たすか否かを判定し、
前記判定する処理によって追加条件を満たすと判定された場合、前記制御命令が第2の条件を満たすか否かを判定し、
前記判定に応じた処理を実行する
処理を実行させることを特徴とするデータフィルタリングプログラム。
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PCT/JP2013/084528 WO2015097760A1 (ja) | 2013-12-24 | 2013-12-24 | 情報処理装置およびデータフィルタリングプログラム |
EP13900529.2A EP3088255B1 (en) | 2013-12-24 | 2013-12-24 | Information processing device and data filtering program |
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JP2003195909A (ja) * | 2001-12-27 | 2003-07-11 | Denso Corp | インターフェイス装置 |
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JP3800025B2 (ja) * | 2001-04-27 | 2006-07-19 | 日産自動車株式会社 | 車両用走行制御装置 |
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JP2011239143A (ja) * | 2010-05-10 | 2011-11-24 | Denso Corp | 記録システム、車載機及び携帯機 |
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JPH08280069A (ja) * | 1995-02-08 | 1996-10-22 | Honda Motor Co Ltd | 車両用データ通信方法および装置 |
JP2003195909A (ja) * | 2001-12-27 | 2003-07-11 | Denso Corp | インターフェイス装置 |
JP2004178559A (ja) * | 2002-11-11 | 2004-06-24 | Canon Inc | コンピュータ周辺装置およびその制御方法 |
JP2013148435A (ja) | 2012-01-18 | 2013-08-01 | Jvc Kenwood Corp | 車載装置、車載装置の制御方法、及び、プログラム |
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EP3088255A4 (en) | 2016-12-28 |
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US20160280070A1 (en) | 2016-09-29 |
EP3088255A1 (en) | 2016-11-02 |
JPWO2015097760A1 (ja) | 2017-03-23 |
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