Method and apparatus for creating a remotely activated secure backup service for mobile handsets

Method and apparatus for creating a remotely activated secure backup service for mobile handsets

  • CN 101,803,415 A
  • Filed: 09/15/2008
  • Published: 08/11/2010
  • Est. Priority Date: 09/18/2007
  • Status: Active Application
First Claim
Patent Images

1. method that is used to protect the data file on the mobile handset, it comprises:

  • Receive activation command message via wireless network;

    Obtain encryption key;

    Use described encryption key that described data file is encrypted to produce encrypted data file;

    Described encrypted data file is stored in the memory of described mobile handset;

    AndDelete described encryption key from the memory of described mobile handset.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×