Patents by Inventor Nishant ROOPALWAL

Nishant ROOPALWAL 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).

  • Method and apparatus for secure offline payment
    Patent number: 10839391
    Abstract: A method for performing a secure payment in an offline mode in an electronic device is provided. The method includes launching a secure application at the electronic device, obtaining a nonce token from an authentication unit of the electronic device, obtaining a nonce signature from a server via a network, entering an offline mode where the electronic device is disconnected from the network, encrypting, by the secure application, a user credential input by a user using the nonce token and the nonce signature, decrypting and validating, by the authentication unit, an encrypted user credential, generating a secure object based on the decrypted user credential and a random number generated by the authentication unit and performing a secure payment based on the secure object.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: November 17, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Venkata Subramanian Madhu, Nishant Roopalwal, Srikanth Mandalapu, Ramanath Vishnu Pai
  • METHOD AND APPARATUS FOR SECURE OFFLINE PAYMENT
    Publication number: 20190114631
    Abstract: A method for performing a secure payment in an offline mode in an electronic device is provided. The method includes launching a secure application at the electronic device, obtaining a nonce token from an authentication unit of the electronic device, obtaining a nonce signature from a server via a network, entering an offline mode where the electronic device is disconnected from the network, encrypting, by the secure application, a user credential input by a user using the nonce token and the nonce signature, decrypting and validating, by the authentication unit, an encrypted user credential, generating a secure object based on the decrypted user credential and a random number generated by the authentication unit and performing a secure payment based on the secure object.
    Type: Application
    Filed: October 12, 2018
    Publication date: April 18, 2019
    Inventors: Venkata Subramanian MADHU, Nishant ROOPALWAL, Srikanth MANDALAPU, Ramanath vishnu PAI