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    MANAGING A SET OF CRYPTOGRAPHIC KEYS IN AN ENCRYPTED SYSTEM
    2.
    发明申请
    MANAGING A SET OF CRYPTOGRAPHIC KEYS IN AN ENCRYPTED SYSTEM 审中-公开

    公开(公告)号：US20190215160A1

    公开(公告)日：2019-07-11

    申请号：US15865994

    申请日：2018-01-09

    Applicant: QUALCOMM Incorporated

    Inventor： Darren LASKO ,  Roberto Avanzi ,  Thomas Speier ,  Harb Abdulhamid ,  Vikramjit Sethi

    IPC: H04L9/08 ,  G06F21/60 ,  G06F21/72

    CPC classification number: H04L9/0894 ,  G06F21/602 ,  G06F21/71 ,  G06F21/72 ,  G06F21/79 ,  G06F21/85 ,  G06F2009/45587

    Abstract: Embodiments of the disclosure include systems and methods for storage of a first plurality of cryptographic keys associated with a first plurality of corresponding Protected Software Environments (PSEs) supervised by a PSE-management software running on a computer system and configured to supervise a superset of the plurality of PSEs. The computer system stores currently unused keys of the superset in a relatively cheap, large, and slow memory and caches the keys of the first plurality in a relatively fast, small, and expensive memory. In one embodiment, in a computer system having a first processor, a first memory controller, and a first RAM, the first memory controller has a memory cryptography circuit connected between the first processor and the first RAM, the memory cryptography circuit has a keystore and a first cryptographic engine, and the keystore is configured to store a first plurality of cryptographic keys accessible by a cryptographic-key identification.

    PROVIDING FINE-GRAINED QUALITY OF SERVICE (QoS) CONTROL USING INTERPOLATION FOR PARTITIONED RESOURCES IN PROCESSOR-BASED SYSTEMS
    3.
    发明申请
    PROVIDING FINE-GRAINED QUALITY OF SERVICE (QoS) CONTROL USING INTERPOLATION FOR PARTITIONED RESOURCES IN PROCESSOR-BASED SYSTEMS 审中-公开

    公开(公告)号：US20190065374A1

    公开(公告)日：2019-02-28

    申请号：US15689543

    申请日：2017-08-29

    Applicant: QUALCOMM Incorporated

    Inventor： Derek Robert Hower ,  Carl Alan Waldspurger ,  Vikramjit Sethi

    IPC: G06F12/0846 ,  G06F12/02 ,  G06F13/16

    Abstract: Providing fine-grained Quality of Service (QoS) control using interpolation for partitioned resources in processor-based systems is disclosed. In this regard, in one aspect, a processor-based system provides a partitioned resource (such as a system cache or memory access bandwidth to a shared system memory) that is subdivided into a plurality of partitions, and that is configured to service a plurality of resource clients. A resource allocation agent of the processor-based system provides a plurality of allocation indicators corresponding to each combination of resource client and partition, and indicating an allocation of each partition for each resource client. The resource allocation agent allocates the partitioned resource among the resource clients based on an interpolation of the plurality of allocation indicators. Because each allocation indicator may be different for each combination of resource client and partition, interpolation of the allocation indicators provides a higher-resolution aggregate resource allocation for each resource client.

    Providing fine-grained quality of service (QoS) control using interpolation for partitioned resources in processor-based systems
    6.
    发明授权
    Providing fine-grained quality of service (QoS) control using interpolation for partitioned resources in processor-based systems 有权

    公开(公告)号：US10678690B2

    公开(公告)日：2020-06-09

    申请号：US15689543

    申请日：2017-08-29

    Applicant: QUALCOMM Incorporated

    Inventor： Derek Robert Hower ,  Carl Alan Waldspurger ,  Vikramjit Sethi

    IPC: G06F12/0846 ,  G06F12/02 ,  G06F13/16 ,  G06F9/50 ,  G06F12/0842

    Abstract: Providing fine-grained Quality of Service (QoS) control using interpolation for partitioned resources in processor-based systems is disclosed. In this regard, in one aspect, a processor-based system provides a partitioned resource (such as a system cache or memory access bandwidth to a shared system memory) that is subdivided into a plurality of partitions, and that is configured to service a plurality of resource clients. A resource allocation agent of the processor-based system provides a plurality of allocation indicators corresponding to each combination of resource client and partition, and indicating an allocation of each partition for each resource client. The resource allocation agent allocates the partitioned resource among the resource clients based on an interpolation of the plurality of allocation indicators. Because each allocation indicator may be different for each combination of resource client and partition, interpolation of the allocation indicators provides a higher-resolution aggregate resource allocation for each resource client.

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