Patents by Inventor Utsav Singhal

Utsav Singhal 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).

  • Protection of data of database clients from persistent adversaries
    Patent number: 11836269
    Abstract: One embodiment provides a method, including: receiving, at a database proxy acting as an intermediary between a plurality of database clients and a service provider providing data management services for the plurality of database clients, a set of queries, of at least one of the plurality of database clients, for data stored at the service provider in an encrypted form, wherein the database proxy maintains a security budget defining a maximum threshold amount of data leakage for the plurality of database clients; batching the set of queries into query batches; transforming, for each query batch, each query within the query batch, wherein the transforming includes changing the query to reduce data leakage; performing, responsive to transforming each query within the query batch, a transformation on each of the query batches to reduce data leakage; executing, at the database proxy and utilizing an order-preserving encryption algorithm, the query batches; and calculating a remaining security budget based upon da
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: December 5, 2023
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Dhinakaran Vinayagamurthy, Utsav Singhal, Akshar Kaul
  • PROTECTION OF DATA OF DATABASE CLIENTS FROM PERSISTENT ADVERSARIES
    Publication number: 20230055992
    Abstract: One embodiment provides a method, including: receiving, at a database proxy acting as an intermediary between a plurality of database clients and a service provider providing data management services for the plurality of database clients, a set of queries, of at least one of the plurality of database clients, for data stored at the service provider in an encrypted form, wherein the database proxy maintains a security budget defining a maximum threshold amount of data leakage for the plurality of database clients; batching the set of queries into query batches; transforming, for each query batch, each query within the query batch, wherein the transforming includes changing the query to reduce data leakage; performing, responsive to transforming each query within the query batch, a transformation on each of the query batches to reduce data leakage; executing, at the database proxy and utilizing an order-preserving encryption algorithm, the query batches; and calculating a remaining security budget based upon da
    Type: Application
    Filed: August 23, 2021
    Publication date: February 23, 2023
    Inventors: Dhinakaran Vinayagamurthy, Utsav Singhal, Akshar Kaul