Patents by Inventor Vishnu Rangayyan

Vishnu Rangayyan 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).

  • Management of encryption agents in data storage systems
    Patent number: 11563555
    Abstract: A method for managing keys and encrypting data is provided. The method includes receiving data to be written to a logical disk, generating an encryption table indicating one or more locations on the logical disk for storing the data and indicating a key used for encrypting the data, encrypting the data to be written to the logical disk, and transmitting the encrypted data and the encryption table to a storage array.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: January 24, 2023
    Assignee: THALES DIS CPL USA, INC.
    Inventors: Vishnu Rangayyan, Masoud Sadrolashrafi, Peter Tsai
  • MANAGEMENT OF ENCRYPTION AGENTS IN DATA STORAGE SYSTEMS
    Publication number: 20190097789
    Abstract: A method for managing keys and encrypting data is provided. The method includes receiving data to be written to a logical disk, generating an encryption table indicating one or more locations on the logical disk for storing the data and indicating a key used for encrypting the data, encrypting the data to be written to the logical disk, and transmitting the encrypted data and the encryption table to a storage array.
    Type: Application
    Filed: August 22, 2018
    Publication date: March 28, 2019
    Inventors: Vishnu Rangayyan, Masoud Sadrolashrafi, Peter Tsai
  • BOOTLOADER LEVEL ENCRYPTION FOR SYSTEM BOOT DATA
    Publication number: 20180204007
    Abstract: A method for decryption for system boot data, performed by a computing device is provided. The method includes performing, as part of a boot process of a computing device, a key exchange with a server, to obtain a key. The method includes decrypting, with the key, an encrypted portion of a boot volume, and continuing the boot process, using the decrypted portion of the boot volume.
    Type: Application
    Filed: January 13, 2017
    Publication date: July 19, 2018
    Inventor: Vishnu Rangayyan
  • Thin provisioning row snapshot with reference count map
    Patent number: 8806154
    Abstract: The storage of single or multiple references of the same data block in a storage pool is disclosed. Indexing of the data includes storing reference information in the storage pool as a mapping table. The mapping table indexes each data block in the storage pool. On any read or write request mapping information is used to retrieve the corresponding data block in storage pool.
    Type: Grant
    Filed: June 24, 2011
    Date of Patent: August 12, 2014
    Assignee: Chelsio Communications, Inc.
    Inventors: Atul Gupta, Umashankar Tumari Mahabalagiri, Vishnu Rangayyan