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    COMMUNICATING MANAGEMENT TRAFFIC BETWEEN BASEBOARD MANAGEMENT CONTROLLERS AND NETWORK INTERFACE CONTROLLERS
    3.
    发明申请
    COMMUNICATING MANAGEMENT TRAFFIC BETWEEN BASEBOARD MANAGEMENT CONTROLLERS AND NETWORK INTERFACE CONTROLLERS 有权

    公开(公告)号：US20230134197A1

    公开(公告)日：2023-05-04

    申请号：US17452823

    申请日：2021-10-29

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： David F. Heinrich ,  Gennadiy Rozenberg ,  Scott P. Faasse ,  Melvin K. Benedict

    IPC: H04L7/00

    Abstract: A process includes a port of a bridge providing a reference clock signal to a first end of an interconnect extending between the first port and a network interface controller. The reference clock signal propagates over the interconnect to provide, at a second end of the interconnect, a delayed reference clock signal at the network interface controller. Pursuant to the process, the bridge senses a timing of the delayed reference clock signal. The process includes communicating management traffic between a network interface of a baseboard management controller and the network interface controller via the interconnect. The communication of the management traffic includes the port, responsive to the sensing of the timing of the delayed reference clock signal, synchronizing communication of data with the first end of the interconnect to the delayed reference clock signal.

    VERIFICATION OF PROGRAMMABLE LOGIC DEVICES
    5.
    发明申请
    VERIFICATION OF PROGRAMMABLE LOGIC DEVICES 有权

    公开(公告)号：US20210319141A1

    公开(公告)日：2021-10-14

    申请号：US16844053

    申请日：2020-04-09

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： Gennadiy Rozenberg ,  Naysen Robertson ,  Jhovel Louie Lopez

    IPC: G06F21/76 ,  H03K19/17728 ,  H04L9/32 ,  H03K19/1776 ,  G06F21/44

    Abstract: A data processing system comprises a management processor, a programmable logic device (PLD) coupled to the management processor, and a machine-readable medium (MRM). The MRM comprises a PLD configuration image to configure the PLD with image-defined logic that comprises self-verification logic and an image-defined management interface to enable the management processor to communicate with the self-verification logic. The MRM also comprises a cryptographic signature based on the PLD configuration image. The MR also comprises PLD authentication instructions which, when executed by the management processor, cause the management processor to retrieve an address for the PLD configuration image from the PLD via the management interface, use the address to retrieve the PLD configuration image from the PLD via the management interface, retrieve the cryptographic signature from the PLD via the management interface, and use the cryptographic signature and a cryptographic key of a trusted entity to authenticate the PLD configuration image.

    Verification of programmable logic devices
    6.
    发明授权
    Verification of programmable logic devices 有权

    公开(公告)号：US11443074B2

    公开(公告)日：2022-09-13

    申请号：US16844053

    申请日：2020-04-09

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： Gennadiy Rozenberg ,  Naysen Robertson ,  Jhovel Louie Lopez

    IPC: H04L9/32 ,  G06F11/22 ,  G06F15/78 ,  G06F21/76 ,  H03K19/17728 ,  G06F21/44 ,  H03K19/1776

    Abstract: A data processing system comprises a management processor, a programmable logic device (PLD) coupled to the management processor, and a machine-readable medium (MRM). The MRM comprises a PLD configuration image to configure the PLD with image-defined logic that comprises self-verification logic and an image-defined management interface to enable the management processor to communicate with the self-verification logic. The MRM also comprises a cryptographic signature based on the PLD configuration image. The MR also comprises PLD authentication instructions which, when executed by the management processor, cause the management processor to retrieve an address for the PLD configuration image from the PLD via the management interface, use the address to retrieve the PLD configuration image from the PLD via the management interface, retrieve the cryptographic signature from the PLD via the management interface, and use the cryptographic signature and a cryptographic key of a trusted entity to authenticate the PLD configuration image.

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