Patents by Inventor Hari Surender Sharma

Hari Surender Sharma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Framework to design completely automated reverse Turing tests
    Patent number: 11386193
    Abstract: Various systems and methods are provided for defining a CAPTCHA generator that is configured to generate CAPTCHA challenges by using at least a first parameter and a first plurality of values associated with the first parameter; defining an adversary program, where the adversary program is configured to automatically attempt to solve the CAPTCHA challenges; performing a first feedback loop that includes generating a first plurality of CAPTCHA challenges, receiving feedback from a group of human users and feedback from the adversary program; and using the feedback received from the human user and the feedback received from the adversary program to modify a weight associated with a first value among the plurality of values in order to generate future CAPTCHA challenges that create less inconvenience for human users but which are more difficult for adversary programs.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: July 12, 2022
    Assignee: Dell Products L.P.
    Inventors: Falaah Arif Khan, Hari Surender Sharma
  • FRAMEWORK TO DESIGN COMPLETELY AUTOMATED REVERSE TURING TESTS
    Publication number: 20210264013
    Abstract: Various systems and methods are provided for defining a CAPTCHA generator that is configured to generate CAPTCHA challenges by using at least a first parameter and a first plurality of values associated with the first parameter; defining an adversary program, where the adversary program is configured to automatically attempt to solve the CAPTCHA challenges; performing a first feedback loop that includes generating a first plurality of CAPTCHA challenges, receiving feedback from a group of human users and feedback from the adversary program; and using the feedback received from the human user and the feedback received from the adversary program to modify a weight associated with a first value among the plurality of values in order to generate future CAPTCHA challenges that create less inconvenience for human users but which are more difficult for adversary programs.
    Type: Application
    Filed: March 24, 2020
    Publication date: August 26, 2021
    Inventors: Falaah Arif Khan, Hari Surender Sharma