Patents by Inventor Sankha Subhra Som

Sankha Subhra Som 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).

  • Methods and systems for multi-factor authentication
    Patent number: 9882719
    Abstract: This disclosure relates generally to multi-factor authentication, and more particularly to method and system for multi-factor authentication. In one embodiment, the method includes receipt of an audio input at a device, and a plurality of authentication parameters from at least one of the device and a server communicably coupled to the device. The plurality of authentication parameters are encrypted to generate a plurality of encrypted authentication parameters. The plurality of encrypted authentication parameters are embedded as watermarks into the audio input to generate a watermarked audio signal. The watermarked audio signal are encrypted to generate an authentication audio signal. The authentication audio signal is transmitted to an authentication server over an audio communication channel to authenticate the access at the device.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: January 30, 2018
    Assignee: Tata Consultancy Services Limited
    Inventors: Srinivasa Rao Chalamala, Sankha Subhra Som
  • METHODS AND SYSTEMS FOR MULTI-FACTOR AUTHENTICATION
    Publication number: 20160315771
    Abstract: This disclosure relates generally to multi-factor authentication, and more particularly to method and system for multi-factor authentication. In one embodiment, the method includes receipt of an audio input at a device, and a plurality of authentication parameters from at least one of the device and a server communicably coupled to the device. The plurality of authentication parameters are encrypted to generate a plurality of encrypted authentication parameters. The plurality of encrypted authentication parameters are embedded as watermarks into the audio input to generate a watermarked audio signal. The watermarked audio signal are encrypted to generate an authentication audio signal. The authentication audio signal is transmitted to an authentication server over an audio communication channel to authenticate the access at the device.
    Type: Application
    Filed: March 9, 2016
    Publication date: October 27, 2016
    Applicant: TATA CONSULTANCY SERVICES LIMITED.
    Inventors: Srinivasa Rao CHALAMALA, Sankha Subhra Som