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Medium storing data conversion program, data conversion device, and data conversion method

  • US 10,459,878 B2
  • Filed: 06/06/2017
  • Issued: 10/29/2019
  • Est. Priority Date: 08/24/2016
  • Status: Active Grant
First Claim
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1. A computer-readable non-transitory storage medium storing a data conversion program that causes a computer to execute a process comprising:

  • when receiving a plurality of data from sensors for information measured by the sensors, acquiring first information and second information from a storage, the first information designating any of the data among the plurality of data, the second information designating a predetermined number of the data among the plurality of data that is encrypted using a key value;

    acquiring, as conversion target data, the predetermined number of the data from among the received plurality of data as designated by the second information and relating to the data among the received plurality of data as designated by the first information;

    extracting, from the conversion target data, a predetermined number of pieces of specific information relating to the key value, each of the predetermined number of pieces of specific information relating to the key value being embedded in each of the predetermined number of the data from among the received plurality of data;

    generating the key value from the extracted predetermined number of pieces of the specific information relating to the key value; and

    converting a data format of the conversion target data into decrypted data by using the key value generated from the extracted predetermined number of pieces of the specific information relating to the key value.

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