Patents by Inventor Karthikeyan NAGARATHINAM

Karthikeyan NAGARATHINAM 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).

  • VERIFYING A COMPUTING DEVICE AFTER TRANSPORT
    Publication number: 20220224538
    Abstract: One example provides a method for authenticating a computing device received from a manufacturer, the method including establishing a secured connection with the computing device, receiving, from the computing device, a first set of security artifacts, and retrieving, from a secure cloud storage location, a second set of security artifacts, the second set of security artifacts including the EK public key and the PCR values for the computing device obtained during manufacturing. The method further comprises, when the first set of security artifacts matches the second set of security artifacts, then verifying the computing device as trusted and permitting communication between the computing device and a secured computing environment, and when the first set of security artifacts does not match the second set of security artifacts, then not verifying the computing device as trusted and not permitting communication between the computing device and the secured computing environment.
    Type: Application
    Filed: March 16, 2022
    Publication date: July 14, 2022
    Inventors: Gregory J. ZAVERTNIK, Vishwajit Tumkur MAHALINGAPPA, Soumya JAIN, Vimalraj Vasudevan THEKKOOT, Karthikeyan NAGARATHINAM, Sampath Kumar VICTOR, Varsha JAGDALE
  • Verifying a computing device after transport
    Patent number: 11310050
    Abstract: One example provides a method for authenticating a computing device received from a manufacturer, the method including establishing a secured connection with the computing device, receiving, from the computing device, a first set of security artifacts, and retrieving, from a secure cloud storage location, a second set of security artifacts, the second set of security artifacts including the EK public key and the PCR values for the computing device obtained during manufacturing. The method further comprises, when the first set of security artifacts matches the second set of security artifacts, then verifying the computing device as trusted and permitting communication between the computing device and a secured computing environment, and when the first set of security artifacts does not match the second set of security artifacts, then not verifying the computing device as trusted and not permitting communication between the computing device and the secured computing environment.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: April 19, 2022
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Gregory J. Zavertnik, Vishwajit Tumkur Mahalingappa, Soumya Jain, Vimalraj Vasudevan Thekkoot, Karthikeyan Nagarathinam, Sampath Kumar Victor, Varsha Jagdale
  • VERIFYING A COMPUTING DEVICE AFTER TRANSPORT
    Publication number: 20200092103
    Abstract: One example provides a method for authenticating a computing device received from a manufacturer, the method including establishing a secured connection with the computing device, receiving, from the computing device, a first set of security artifacts, and retrieving, from a secure cloud storage location, a second set of security artifacts, the second set of security artifacts including the EK public key and the PCR values for the computing device obtained during manufacturing. The method further comprises, when the first set of security artifacts matches the second set of security artifacts, then verifying the computing device as trusted and permitting communication between the computing device and a secured computing environment, and when the first set of security artifacts does not match the second set of security artifacts, then not verifying the computing device as trusted and not permitting communication between the computing device and the secured computing environment.
    Type: Application
    Filed: January 10, 2019
    Publication date: March 19, 2020
    Applicant: Microsoft Technology Licensing, LLC
    Inventors: Gregory J. ZAVERTNIK, Vishwajit Tumkur MAHALINGAPPA, Soumya JAIN, Vimalraj Vasudevan THEKKOOT, Karthikeyan NAGARATHINAM, Sampath Kumar VICTOR, Varsha JAGDALE