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Information processing system

  • US 10,445,493 B2
  • Filed: 03/15/2017
  • Issued: 10/15/2019
  • Est. Priority Date: 03/17/2016
  • Status: Active Grant
First Claim
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1. An information processing system comprising:

  • a plurality of controllers in a vehicle, the plurality of controllers including a specific controller, the specific controller including;

    a starter configured to put the specific controller in an executable state that enables the specific controller to execute a preset program;

    a preset memory configured to store (i) a software that includes at least the preset program and (ii) a first hash value;

    a second memory that is different than the preset memory, the second memory configured to store a second hash value,a determiner configured to, before the specific controller is put in the executable state by the starter, compare the first hash value to the second hash value, and determine that the software has been tampered with when the first hash value does not match the second hash value; and

    an outputter configured to output a preset signal to (i) at least one of the plurality of controllers other than the specific controller or (ii) one of a plurality of information processing devices disposed outside of the vehicle, in response to the determiner determining that the software has been tampered with.

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