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Method and a device for making a computer application secure

  • US 9,530,014 B2
  • Filed: 12/18/2012
  • Issued: 12/27/2016
  • Est. Priority Date: 12/20/2011
  • Status: Active Grant
First Claim
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1. A security method for making a computer application being executed on a terminal secure, the method being implemented by the terminal on which said computer application is being executed and comprising:

  • obtaining information indicating that said application being made secure is about to invite a user of the terminal on which said application is being executed to input data;

    obtaining a secret image known to the user of the terminal by accessing a binary file representative of the secret image, the binary file being stored in a secure element of the terminal on which said application being made secure is being executed;

    constituting a complex image in said secure element of the terminal on which said application being made secure is being executed, the complex image being constituted from said secret image obtained by accessing said binary file stored in the secure element of the terminal on which said application being made secure is being executed and from dynamic data that is inaccessible to said terminal on which said application being made secure is being executed; and

    displaying said complex image on a screen of the terminal on which said application being made secure is being executed.

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