Patents by Inventor Srinivas Vundru

Srinivas Vundru 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).

  • Real-time attestation of cryptoprocessors lacking timers and counters
    Patent number: 11558198
    Abstract: The present technology discloses methods and systems for receiving a security profile request from an integrity verifier, the request including a nonce; requesting, from a trusted platform module, a new nonce, wherein the new nonce is generated at least in part by the nonce and a current timestamp from a clock in the trusted platform module; receiving, from the trusted platform module, the new nonce; requesting, from a cryptoprocessor, a set of platform configuration registers; receiving, from the cryptoprocessor, the set of platform configuration registers; and sending a response to the integrity verifier, the response including the new nonce and the set of platform configuration registers to verify a security status of the trusted platform module and the cryptoprocessor.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: January 17, 2023
    Assignee: Cisco Technology, Inc.
    Inventors: Eric Voit, Srinivas Vundru, Peter Panburana, David Wayne Mills, Pradeep Kumar Kathail
  • REAL-TIME ATTESTATION OF CRYPTOPROCESSORS LACKING TIMERS AND COUNTERS
    Publication number: 20210314161
    Abstract: The present technology discloses methods and systems for receiving a security profile request from an integrity verifier, the request including a nonce; requesting, from a trusted platform module, a new nonce, wherein the new nonce is generated at least in part by the nonce and a current timestamp from a clock in the trusted platform module; receiving, from the trusted platform module, the new nonce; requesting, from a cryptoprocessor, a set of platform configuration registers; receiving, from the cryptoprocessor, the set of platform configuration registers; and sending a response to the integrity verifier, the response including the new nonce and the set of platform configuration registers to verify a security status of the trusted platform module and the cryptoprocessor.
    Type: Application
    Filed: April 7, 2020
    Publication date: October 7, 2021
    Inventors: Eric Voit, Srinivas Vundru, Peter Panburana, David Wayne Mills, Pradeep Kumar Kathail