Patents by Inventor Uday R. Savagaonkar

Uday R. Savagaonkar 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).

  • Publication number: 20180329707
    Abstract: Embodiments of an invention for memory management in secure enclaves are disclosed. In one embodiment, a processor includes an instruction unit and an execution unit. The instruction unit is to receive a first instruction and a second instruction. The execution unit is to execute the first instruction, wherein execution of the first instruction includes allocating a page in an enclave page cache to a secure enclave. The execution unit is also to execute the second instruction, wherein execution of the second instruction includes confirming the allocation of the page.
    Type: Application
    Filed: May 7, 2018
    Publication date: November 15, 2018
    Inventors: Rebekah Leslie-Hurd, Carlos V. Rozas, Vincent R. Scarlata, Simon P. Johnson, Uday R. Savagaonkar, Barry E. Huntley, Vedvyas Shanbhogue, Ittai Anati, Francis X. Mckeen, Michael A. Goldsmith, Ilya Alexandrovich, Alex Berenzon, Wesley H. Smith, Gilbert Neiger
  • Patent number: 10102380
    Abstract: A technique to enable secure application and data integrity within a computer system. In one embodiment, one or more secure enclaves are established in which an application and data may be stored and executed.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: October 16, 2018
    Assignee: Intel Corporation
    Inventors: Francis X. McKeen, Carlos V. Rozas, Uday R. Savagaonkar, Simon P. Johnson, Vincent Scarlata, Michael A. Goldsmith, Ernie Brickell, Jiang Tao Li, Howard C. Herbert, Prashant Dewan, Stephen J. Tolopka, Gilbert Neiger, David Durham, Gary Graunke, Bernard Lint, Don A. Van Dyke, Joseph Cihula, Stalinselvaraj Jeyasingh, Stephen R. Van Doren, Dion Rodgers, John Garney, Asher Altman
  • Publication number: 20180239713
    Abstract: A processor for supporting secure memory intent is disclosed. The processor of the disclosure includes a memory execution unit to access memory and a processor core coupled to the memory execution unit. The processor core is to receive a request to access a convertible page of the memory. In response to the request, the processor core to determine an intent for the convertible page in view of a page table entry (PTE) corresponding to the convertible page. The intent indicates whether the convertible page is to be accessed as at least one of a secure page or a non-secure page.
    Type: Application
    Filed: January 3, 2018
    Publication date: August 23, 2018
    Inventors: Krystof C. Zmudzinski, Siddhartha Chhabra, Uday R. Savagaonkar, Simon P. Johnson, Rebekah M. Leslie-Hurd, Francis X. McKeen, Gilbert Neiger, Raghunandan Makaram, Carlos V. Rozas, Amy L. Santoni, Vincent R. Scarlata, Vedvyas Shanbhogue, Ilya Alexandrovich, Ittai Anati, Wesley H. Smith, Michael Goldsmith
  • Patent number: 9990197
    Abstract: Embodiments of an invention for memory management in secure enclaves are disclosed. In one embodiment, a processor includes an instruction unit and an execution unit. The instruction unit is to receive a first instruction and a second instruction. The execution unit is to execute the first instruction, wherein execution of the first instruction includes allocating a page in an enclave page cache to a secure enclave. The execution unit is also to execute the second instruction, wherein execution of the second instruction includes confirming the allocation of the page.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: June 5, 2018
    Assignee: Intel Corporation
    Inventors: Rebekah Leslie-Hurd, Carlos V. Rozas, Vincent R. Scarlata, Simon P. Johnson, Uday R. Savagaonkar, Barry E. Huntley, Vedvyas Shanbhogue, Ittai Anati, Francis X. Mckeen, Michael A. Goldsmith, Ilya Alexandrovich, Alex Berenzon, Wesley H. Smith, Gilbert Neiger
  • Patent number: 9910793
    Abstract: Memory encryption engine (MEE) integration technologies are described. A MEE system may include a MEE interface and a MEE core. The MEE interface may receive a data from an arbiter, where the data is selected by the arbiter from data at memory link queues. The MEE interface may adjust a timing rate to send the data to match a timing of a MEE core. The MEE core may be coupled to the MEE interface and may receive the data from the MEE interface.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: March 6, 2018
    Assignee: Intel Corporation
    Inventors: Siddhartha Chhabra, Uday R. Savagaonkar, Men Long, Edgar Borrayo, Alpa T. Narendra Trivedi, Carlos Ornelas
  • Patent number: 9904632
    Abstract: A technique to enable secure application and data integrity within a computer system. In one embodiment, one or more secure enclaves are established in which an application and data may be stored and executed.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: February 27, 2018
    Assignee: Intel Corporation
    Inventors: Simon P. Johnson, Uday R. Savagaonkar, Vincent R. Scarlata, Francis X. McKeen, Carlos V. Rozas
  • Publication number: 20180047307
    Abstract: Various embodiments are generally directed an apparatus and method for processing an encrypted graphic with a decryption key associated with a depth order policy including a depth position of a display scene, generating a graphic from the encrypted graphic when the encrypted graphic is successfully decrypted using the decryption key and assigning the graphic to a plane at the depth position of the display scene when the encrypted graphic is successfully decrypted.
    Type: Application
    Filed: October 9, 2017
    Publication date: February 15, 2018
    Applicant: INTEL CORPORATION
    Inventors: Prashant Dewan, Uttam Sengupta, Uday R. Savagaonkar, Siddhartha Chhabra, David Durham, Xiaozhu Kang
  • Patent number: 9875189
    Abstract: A processor for supporting secure memory intent is disclosed. The processor of the disclosure includes a memory execution unit to access memory and a processor core coupled to the memory execution unit. The processor core is to receive a request to access a convertible page of the memory. In response to the request, the processor core to determine an intent for the convertible page in view of a page table entry (PTE) corresponding to the convertible page. The intent indicates whether the convertible page is to be accessed as at least one of a secure page or a non-secure page.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: January 23, 2018
    Assignee: Intel Corporation
    Inventors: Krystof C. Zmudzinski, Siddhartha Chhabra, Uday R. Savagaonkar, Simon P. Johnson, Rebekah M. Leslie-Hurd, Francis X. McKeen, Gilbert Neiger, Raghunandan Makaram, Carlos V. Rozas, Amy L. Santoni, Vincent R. Scarlata, Vedvyas Shanbhogue, Ilya Alexandrovich, Ittai Anati, Wesley H. Smith, Michael Goldsmith
  • Publication number: 20170366359
    Abstract: Embodiments include systems, methods, computer readable media, and devices configured to, for a first processor of a platform, generate a platform root key; create a data structure to encapsulate the platform root key, the data structure comprising a platform provisioning key and an identification of a registration service; and transmit, on a secure connection, the data structure to the registration service to register the platform root key for the first processor of the platform. Embodiments include systems, methods, computer readable media, and devices configured to store a device certificate received from a key generation facility; receive a manifest from a platform, the manifest comprising an identification of a processor associated with the platform; and validate the processor using a stored device certificate.
    Type: Application
    Filed: July 2, 2016
    Publication date: December 21, 2017
    Applicant: Intel Corporation
    Inventors: Vincent R. Scarlata, Francis X. McKeen, Carlos V. Rozas, Simon P, Johnson, Bo Zhang, James D. Beaney, JR., Piotr Zmijewski, Wesley Hamilton Smith, Eduardo Cabre, Uday R. Savagaonkar
  • Publication number: 20170351515
    Abstract: Embodiments of an invention for memory management in secure enclaves are disclosed. In one embodiment, a processor includes an instruction unit and an execution unit. The instruction unit is to receive a first instruction and a second instruction. The execution unit is to execute the first instruction, wherein execution of the first instruction includes allocating a page in an enclave page cache to a secure enclave. The execution unit is also to execute the second instruction, wherein execution of the second instruction includes confirming the allocation of the page.
    Type: Application
    Filed: August 22, 2017
    Publication date: December 7, 2017
    Inventors: Rebekah Leslie-Hurd, Carlos V. Rozas, Vincent R. Scarlata, Simon P. Johnson, Uday R. Savagaonkar, Barry E. Huntley, Vedvyas Shanbhogue, Ittai Anati, Francis X. Mckeen, Michael A. Goldsmith, Ilya Alexandrovich, Alex Berenzon, Wesley H. Smith, Gilbert Neiger
  • Patent number: 9799093
    Abstract: A protected graphics module can send its output to a display engine securely. Secure communications with the display can provide a level of confidentiality of content generated by protected graphics modules against software and hardware attacks.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: October 24, 2017
    Assignee: Intel Corporation
    Inventors: Siddhartha Chhabra, Uday R. Savagaonkar, Prashant Dewan, Michael A. Goldsmith, David M. Durham
  • Patent number: 9786205
    Abstract: Various embodiments are generally directed an apparatus and method for processing an encrypted graphic with a decryption key associated with a depth order policy including a depth position of a display scene, generating a graphic from the encrypted graphic when the encrypted graphic is successfully decrypted using the decryption key and assigning the graphic to a plane at the depth position of the display scene when the encrypted graphic is successfully decrypted.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: October 10, 2017
    Assignee: INTEL CORPORATION
    Inventors: Prashant Dewan, Uttam Sengupta, Uday R. Savagaonkar, Siddhartha Chhabra, David Durham, Xiaozhu Kang
  • Patent number: 9767044
    Abstract: Secure memory repartitioning technologies are described. A processor includes a processor core and a memory controller coupled between the processor core and main memory. The main memory includes a memory range including a section of convertible pages that are convertible to secure pages or non-secure pages. The processor core, in response to a page conversion instruction, is to determine from the instruction a convertible page in the memory range to be converted and convert the convertible page to be at least one of a secure page or a non-secure page. The memory range may also include a hardware reserved section that is convertible in response to a section conversion instruction.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: September 19, 2017
    Assignee: Intel Corporation
    Inventors: Siddhartha Chhabra, Uday R. Savagaonkar, Michael A. Goldsmith, Simon P. Johnson, Rebekah M. Leslie-Hurd, Francis X. McKeen, Gilbert Neiger, Raghunandan Makaram, Carlos V. Rozas, Amy L. Santoni, Vincent R. Scarlata, Vedvyas Shanbhogue, Wesley H. Smith, Ittai Anati, Ilya Alexandrovich
  • Patent number: 9766889
    Abstract: Embodiments of an invention for memory management in secure enclaves are disclosed. In one embodiment, a processor includes an instruction unit and an execution unit. The instruction unit is to receive a first instruction and a second instruction. The execution unit is to execute the first instruction, wherein execution of the first instruction includes allocating a page in an enclave page cache to a secure enclave. The execution unit is also to execute the second instruction, wherein execution of the second instruction includes confirming the allocation of the page.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: September 19, 2017
    Assignee: Intel Corporation
    Inventors: Rebekah Leslie-Hurd, Carlos V. Rozas, Vincent R. Scarlata, Simon P. Johnson, Uday R. Savagaonkar, Barry E. Huntley, Vedvyas Shanbhogue, Ittai Anati, Francis X. Mckeen, Michael A. Goldsmith, Ilya Alexandrovich, Alex Berenzon, Wesley H. Smith, Gilbert Neiger
  • Patent number: 9747102
    Abstract: Embodiments of an invention for memory management in secure enclaves are disclosed. In one embodiment, a processor includes an instruction unit and an execution unit. The instruction unit is to receive a first instruction and a second instruction. The execution unit is to execute the first instruction, wherein execution of the first instruction includes allocating a page in an enclave page cache to a secure enclave. The execution unit is also to execute the second instruction, wherein execution of the second instruction includes confirming the allocation of the page.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: August 29, 2017
    Assignee: Intel Corporation
    Inventors: Rebekah Leslie, Carlos V. Rozas, Vincent R. Scarlata, Simon P. Johnson, Uday R. Savagaonkar, Barry E. Huntley, Vedvyas Shanbhogue, Ittai Anati, Francis X. Mckeen, Michael A. Goldsmith, Ilya Alexandrovich, Alex Berenzon, Wesley H. Smith, Gilbert G. Neiger
  • Patent number: 9703567
    Abstract: In an embodiment, the present invention includes a processor having an execution logic to execute instructions and a control transfer termination (CTT) logic coupled to the execution logic. This logic is to cause a CTT fault to be raised if a target instruction of a control transfer instruction is not a CTT instruction. Other embodiments are described and claimed.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: July 11, 2017
    Assignee: Intel Corporation
    Inventors: Vedvyas Shanbhogue, Jason W. Brandt, Uday R. Savagaonkar, Ravi L. Sahita
  • Publication number: 20170185809
    Abstract: Encryption interface technologies are described. A processor can include a system agent, an encryption interface, and a memory controller. The system agent can communicate data with a hardware functional block. The encryption interface can be coupled between the system agent and a memory controller. The encryption interface can receive a plaintext request from the system agent, encrypt the plaintext request to obtain an encrypted request, and communicate the encrypted request to the memory controller. The memory controller can communicate the encrypted request to a main memory of the computing device.
    Type: Application
    Filed: March 13, 2017
    Publication date: June 29, 2017
    Inventors: Eugene M. Kishinevsky, Uday R. Savagaonkar, Alpa T. Narendra Trivedi, Siddhartha Chhabra, Baiju V. Patel, Men Long, Kirk S. Yap, David M. Durham
  • Patent number: 9690704
    Abstract: Embodiments of an invention for paging in secure enclaves are disclosed. In one embodiment, a processor includes an instruction unit and an execution unit. The instruction unit is to receive a first instruction. The execution unit is to execute the first instruction, wherein execution of the first instruction includes evicting a first page from an enclave page cache.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: June 27, 2017
    Assignee: Intel Corporation
    Inventors: Francis X. Mckeen, Michael A. Goldsmith, Barry E. Huntley, Simon P. Johnson, Rebekah Leslie-Hurd, Carlos V. Rozas, Uday R. Savagaonkar, Vincent R. Scarlata, Vedvyas Shanbhogue, Wesley H. Smith, Ittai Anati, Ilya Alexandrovich, Alex Berenzon, Gilbert Neiger
  • Patent number: 9665724
    Abstract: Embodiments of an invention for logging in secure enclaves are disclosed. In one embodiment, a processor includes an instruction unit and an execution unit. The instruction unit is to receive an instruction having an associated enclave page cache address. The execution unit is to execute the instruction without causing a virtual machine exit, wherein execution of the instruction includes logging the instruction and the associated enclave page cache address.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: May 30, 2017
    Assignee: Intel Corporation
    Inventors: Francis X. McKeen, Michael A. Goldsmith, Barrey E. Huntley, Simon P. Johnson, Rebekah M. Leslie-Hurd, Carlos V. Rozas, Uday R. Savagaonkar, Vincent R. Scarlata, Vedvyas Shanbhogue, Wesley H. Smith, Gilbert Neiger
  • Patent number: 9652609
    Abstract: The entry/exit architecture may be a critical component of a protection framework using a secure enclaves-like trust framework for coprocessors. The entry/exit architecture describes steps that may be used to switch securely into a trusted execution environment (entry architecture) and out of the trusted execution environment (exit architecture), at the same time preventing any secure information from leaking to an untrusted environment.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: May 16, 2017
    Assignee: Intel Corporation
    Inventors: Xiaozhu Kang, Alpa T. Narendra Trivedi, Siddhartha Chhabra, Prashant Dewan, Uday R. Savagaonkar, David M. Durham