Patent US11095613

System of smart edge sensors
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US11095613

1. A smart edge module configured to be inserted between a communication bus of an electronic device and a sensor, the electronic device having a device processor running a device operating system, the smart edge module comprising: (4) (6)

an interface adapter configured for receiving raw data from the sensor;

a bus adapter configured for handling communications with the device bus;

a module bus coupled to the interface adapter and bus adapter;

a module processor configured for encrypting the raw data;

a module memory storing a module operating system; and

an encryption accelerator configured for acceleration encryption of the raw data.

2. The smart edge module of claim 1, wherein smart edge module comprises system on a chip. (0)

3. The smart edge module of claim 1, further comprising a device driver configured to intercept communication on said device bus directed to said smart edge module, and perform entropy test on said communication. (0)

4. The smart edge module of claim 1, wherein the device operating system comprises one of Windows OS, iOS, WebOS, or Android, and the module operating system comprises one of a version of Linux or a real-time operating system (RTOS). (0)

5. The smart edge module of claim 1, further comprising a pre-processing module configured to filter or transform the raw data. (0)

6. A smart edge module configured to be inserted between a communication bus of an electronic device and a sensor, the electronic device having a device processor running a device operating system, the smart edge module comprising: (1) (6)

an interface adapter configured for receiving raw data from the sensor;

a bus adapter configured for handling communications with the device bus;

a module bus coupled to the interface adapter and bus adapter;

a module processor configured for encrypting the raw data;

a module memory storing a module operating system; and

wherein the module processor is configured to encrypt the raw data according to instructions of a local contract stored in the module memory.

7. The smart edge module of claim 6, wherein the local contract is a blockchain contract. (0)

8. A smart edge module configured to be inserted between a communication bus of an electronic device and a sensor, the electronic device having a device processor running a device operating system, the smart edge module comprising: (2) (6)

an interface adapter configured for receiving raw data from the sensor;

a bus adapter configured for handling communications with the device bus;

a module bus coupled to the interface adapter and bus adapter;

a module processor configured for encrypting the raw data;

a module memory storing a module operating system; and

a command filter configured to discard unauthorized communication directed at the module processor.

9. The smart edge module of claim 8, wherein the command filter is configured to decrypt incoming communication received by the bus adapter and inspect a header within said communication to determine validity of the communication. (0)

10. The smart edge module of claim 8, further comprising an encryption accelerator configured for acceleration encryption of the raw data. (0)

11. An electronic device, comprising: (0) (6)

a device processor executing a device operating system (OS);

a device bus;

a device memory coupled to the device bus;

a plurality of sensors;

at least one security module, interposed between at least one corresponding sensor of the plurality of sensors and the device bus, the security module configured to receive a raw data signal from the corresponding sensor, encrypt at least part of the raw data signal to generate an encrypted signal, and transmit the encrypted signal to the device bus; and

a pre-processing module configured to filter the raw data signal and generate a filtered signal, wherein encrypting at least part of the raw data signal comprises encrypting the filtered signal.

12. An electronic device comprising: (2) (6)

a device processor executing a device operating system (OS);

a device bus;

a device memory coupled to the device bus;

a plurality of sensors;

a device driver residing in the device memory and configured to facilitate communication between the device processor and the security module.

13. The electronic device of claim 12, wherein the security module comprises a module processor running a module operating system different from the device operating system. (1) (0)

14. The electronic device of claim 13, wherein the security module further comprises: (1) (3)

an interface adapter configured for receiving the raw data from the corresponding sensor;

a bus adapter configured for handling communications with the device bus;

a module bus coupled to the interface adapter and bus adapter.

15. The electronic device of claim 14, wherein the security module comprises system on a chip. (1) (0)

17. The electronic device of claim 12, further comprising a pre-processing module configured to filter the raw data signal and generate a filtered signal, wherein encrypting at least part of the raw data signal comprises encrypting the filtered signal. (0)

18. In an electronic device having a device processor running a device operating system on a device bus and communicating with a plurality of sensors, a method comprising: (0) (2)

19. In an electronic device having a device processor running a device operating system on a device bus and communicating with a plurality of sensors, a method comprising: (2) (3)

providing a plurality of security modules and interposing each between a corresponding sensor of the plurality of sensors and the device bus;

operating each of the security modules to perform the steps of: intercepting raw data signal output from the corresponding sensor;

encrypting at least part of the raw data signal to generate an encrypted signal;

transmitting the encrypted signal onto the device bus; and

maintaining a secure contract in a module memory of each of the security modules, and updating the security contract with decryption key and list of authorized readers.

20. The method of claim 19, further comprising maintaining a distributed version-control system for tracking changes in the security contract. (0)

21. The method of claim 19, further comprising filtering the raw data signal to generate a filtered signal, wherein encrypting at least part of the raw data signal comprises encrypting the filtered signal. (0)

22. In an electronic device having a device processor running a device operating system on a device bus and communicating with a plurality of sensors, a method comprising: (1) (8)

providing a plurality of security modules and interposing each between a corresponding sensor of the plurality of sensors and the device bus;

operating each of the security modules to perform the steps of:

intercepting raw data signal output from the corresponding sensor;

encrypting at least part of the raw data signal to generate an encrypted signal;

transmitting the encrypted signal onto the device bus; and

operating each of the security modules to perform the further steps of:

intercepting each transmission of the device bus directed at the security module;

decrypting the transmission and deciphering whether a header in the transmission is acceptable header and, if yes, decrypting the remainder of the transmission; otherwise discarding the transmission.

23. The method of claim 22, wherein deciphering whether the header in the transmission is acceptable header comprises determining whether the transmission is a response to an outstanding request issued by the security module. (0)

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Patent US11095613

System of smart edge sensors

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