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Method, apparatus and server for user verification

  • US 8,966,583 B2
  • Filed: 12/18/2013
  • Issued: 02/24/2015
  • Est. Priority Date: 09/01/2009
  • Status: Active Grant
First Claim
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1. A method for user verification, the method comprising:

  • storing a plurality of pictures in a computer readable storage device;

    defining a plurality of rotational directions;

    rotating a picture retrieved from the computer readable storage device according to a defined rotational direction in response to receiving from a client a request for a checkcode;

    after rotating the picture, providing the picture to the client;

    receiving a rotational direction of the picture from the client;

    identifying a correlation between an identification of the client and the rotational direction of the retrieved picture according to the identification of the client;

    determining whether the rotational direction of the picture received from the client matches the rotational direction of the rotating picture retrieved from the computer readable storage device,wherein user verification is indicated when the rotational direction of the picture received from the client matches the rotational direction of the rotating picture retrieved from the computer readable storage device.

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