Please download the dossier by clicking on the dossier button x
×

DATA MANAGEMENT SYSTEM, PROGRAM RECORDING MEDIUM, COMMUNICATION TERMINAL, AND DATA MANAGEMENT SERVER

  • US 20170200020A1
  • Filed: 10/17/2016
  • Published: 07/13/2017
  • Est. Priority Date: 01/13/2016
  • Status: Abandoned Application
First Claim
Patent Images

1. A data management system in which secret data encrypted in a communication terminal is transmitted to and stored in a data management server, and the secret data stored in the data management server is received and decrypted by the communication terminal,wherein the communication terminal has a data storing function and a data reading function,the data storing function executes:

  • a key generation process that generates an encryption key and a data ID using a terminal identification ID that is a character string specific to the communication terminal;

    an encryption process that encrypts the secret data using the encryption key; and

    a secret data storing process that transmits, to the data management server, the secret data encrypted by the encryption process together with the data ID, and causes the data management server to associate the secret data with the data ID and to store the associated data and ID, andthe data reading function executes;

    a key regeneration process that generates again the encryption key and the data ID using the terminal identification ID stored in a memory of the communication terminal;

    a request process that transmits the data ID to the data management server to request the data management server to transmit the secret data corresponding to the data ID; and

    a decryption process that decrypts the secret data received from the data management server, using the encryption key.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×