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    Data access and ownership management
    1.
    发明授权
    Data access and ownership management 有权

    公开(公告)号：US10122718B2

    公开(公告)日：2018-11-06

    申请号：US14832428

    申请日：2015-08-21

    Applicant: ARM IP Limited ,  ARM Limited

    Inventor： Milosch Meriac ,  Geraint Luff ,  William Allen Curtis ,  Remy Pottier

    IPC: H04W12/02 ,  H04L29/06 ,  H04L29/08

    Abstract: In one example, a method includes obtaining, by a data processing device, first secret data associated with a first user and corresponding to a first location of a remote resource. The method further includes generating, using the first secret data, a first uniform resource locator (URL) usable to obtain the first location, and accessing the first location using the first URL. The method further includes obtaining, in response to transfer of usage rights of the data processing device from the first user to a second user, second secret data associated with the second user and corresponding to a second location of the remote resource. The method further includes generating, using the second secret data, a second URL usable to obtain the second location, and accessing the second location using the second URL. The second location is inaccessible via the first URL. The first location is inaccessible via the second URL.

    Data access and ownership management
    2.
    发明授权
    Data access and ownership management 有权

    公开(公告)号：US10735428B2

    公开(公告)日：2020-08-04

    申请号：US16149796

    申请日：2018-10-02

    Applicant: ARM IP Limited ,  ARM Limited

    Inventor： Milosch Meriac ,  Geraint Luff ,  William Allen Curtis ,  Remy Pottier

    IPC: H04L29/06 ,  H04W12/02 ,  H04L29/08

    Abstract: In one example, a method includes obtaining, by a data processing device, first secret data associated with a first user and corresponding to a first location of a remote resource. The method further includes generating, using the first secret data, a first uniform resource locator (URL) usable to obtain the first location, and accessing the first location using the first URL. The method further includes obtaining, in response to transfer of usage rights of the data processing device from the first user to a second user, second secret data associated with the second user and corresponding to a second location of the remote resource. The method further includes generating, using the second secret data, a second URL usable to obtain the second location, and accessing the second location using the second URL. The second location is inaccessible via the first URL. The first location is inaccessible via the second URL.

    DATA ACCESS AND OWNERSHIP MANAGEMENT
    3.
    发明申请
    DATA ACCESS AND OWNERSHIP MANAGEMENT 审中-公开

    公开(公告)号：US20190036928A1

    公开(公告)日：2019-01-31

    申请号：US16149796

    申请日：2018-10-02

    Applicant: ARM IP Limited ,  ARM Limited

    Inventor： Milosch Meriac ,  Geraint Luff ,  William Allen Curtis ,  Remy Pottier

    IPC: H04L29/06 ,  H04L29/08 ,  H04W12/02

    Abstract: In one example, a method includes obtaining, by a data processing device, first secret data associated with a first user and corresponding to a first location of a remote resource. The method further includes generating, using the first secret data, a first uniform resource locator (URL) usable to obtain the first location, and accessing the first location using the first URL. The method further includes obtaining, in response to transfer of usage rights of the data processing device from the first user to a second user, second secret data associated with the second user and corresponding to a second location of the remote resource. The method further includes generating, using the second secret data, a second URL usable to obtain the second location, and accessing the second location using the second URL. The second location is inaccessible via the first URL. The first location is inaccessible via the second URL.

    DATA ACCESS AND OWNERSHIP MANAGEMENT
    4.
    发明申请
    DATA ACCESS AND OWNERSHIP MANAGEMENT 审中-公开
    数据访问和所有权管理

    公开(公告)号：US20170054721A1

    公开(公告)日：2017-02-23

    申请号：US14832428

    申请日：2015-08-21

    Applicant: ARM IP Limited ,  ARM Limited

    Inventor： Milosch Meriac ,  Geraint Luff ,  William Allen Curtis ,  Remy Pottier

    IPC: H04L29/06 ,  H04L29/08

    CPC classification number: H04L63/10 ,  H04L63/0421 ,  H04L67/02 ,  H04L67/10 ,  H04W12/02

    Abstract: In one example, a method includes obtaining, by a data processing device, first secret data associated with a first user and corresponding to a first location of a remote resource. The method further includes generating, using the first secret data, a first uniform resource locator (URL) usable to obtain the first location, and accessing the first location using the first URL. The method further includes obtaining, in response to transfer of usage rights of the data processing device from the first user to a second user, second secret data associated with the second user and corresponding to a second location of the remote resource. The method further includes generating, using the second secret data, a second URL usable to obtain the second location, and accessing the second location using the second URL. The second location is inaccessible via the first URL. The first location is inaccessible via the second URL.

    Abstract translation: 在一个示例中，方法包括由数据处理设备获得与第一用户相关联并对应于远程资源的第一位置的第一秘密数据。 该方法还包括使用第一秘密数据生成可用于获得第一位置的第一统一资源定位符（URL），以及使用第一URL访问第一位置。 该方法还包括响应于数据处理设备从第一用户到第二用户的使用权限的传送而获得与第二用户相关联并对应于远程资源的第二位置的第二秘密数据。 该方法还包括使用第二秘密数据生成可用于获得第二位置的第二URL，以及使用第二URL访问第二位置。 第二个位置无法通过第一个URL访问。 第一个位置无法通过第二个URL访问。

    Secure configuration data storage
    5.
    发明授权
    Secure configuration data storage 有权

    公开(公告)号：US11366904B2

    公开(公告)日：2022-06-21

    申请号：US15748788

    申请日：2016-08-01

    Applicant: ARM IP LIMITED

    Inventor： Geraint Luff ,  Thomas Grocutt ,  Milosch Meriac ,  Jonathan Austin

    IPC: G06F21/57 ,  G06F21/64 ,  G06F21/74 ,  G06F21/78 ,  H04L41/0859

    Abstract: A machine-implemented method for controlling a configuration data item in a storage-equipped device having at least two security domains, comprising receiving, by one of the security domains, a configuration data item; storing the configuration data item; providing a security indication for the configuration data item; and when an event indicates untrustworthiness of the data item, invalidating a configuration effect of the stored configuration data item. Further provided is a machine-implemented method for controlling a storage-equipped device as a node in a network of devices, comprising receiving information that a data source or type of a configuration data item is untrusted; analysing metadata for the data source and the configuration data item; populating a knowledge base with analysed metadata; and responsive to the analysed metadata, transmitting security information to the network of devices. A corresponding device and computer program product are also described.

    Controlling configuration data storage
    6.
    发明授权
    Controlling configuration data storage 审中-公开

    公开(公告)号：US10671730B2

    公开(公告)日：2020-06-02

    申请号：US15749169

    申请日：2016-07-07

    Applicant: ARM IP LIMITED

    Inventor： Jonathan Austin ,  Milosch Meriac ,  Thomas Grocutt ,  Geraint Luff

    IPC: G06F9/44 ,  G06F21/57 ,  G06F21/64 ,  G06F21/74 ,  G06F9/445 ,  G06F21/32

    Abstract: A machine-implemented method is provided for securing a storage-equipped device against introduction of malicious configuration data into configuration data storage, the method comprising steps of receiving by the device, a trusted signal for modification of the configuration of the device; responsive to the receiving, placing the device into a restricted mode of operation and at least one of deactivating a service and rebooting the device; responsive to the placing the device into the restricted mode of operation and the deactivating or rebooting, permitting configuration data entry into a restricted portion of the configuration data storage. A corresponding device and computer program product are also described.

    Methods for verifying data integrity
    7.
    发明授权
    Methods for verifying data integrity 有权

    公开(公告)号：US10595207B2

    公开(公告)日：2020-03-17

    申请号：US15258117

    申请日：2016-09-07

    Applicant: ARM IP Limited ,  ARM Ltd

    Inventor： Geraint Luff ,  Brendan Moran ,  Milosch Meriac ,  Manuel Pegourie-Gonnard

    IPC: H04L9/32 ,  H04W12/12 ,  H04W4/70 ,  H04W12/10 ,  H04L29/06 ,  H04W4/80 ,  H04W4/06

    Abstract: A method for verifying the integrity of data in a message by a data processing device, the message comprising a plurality of packets, the method comprising: receiving, at the device from a first resource, a manifest associated with the message, the manifest comprising a plurality of group check values for the plurality of packets; receiving, at the device, from the first or a different resource, the message; generating a first progression of rolling hashes for the plurality of packets; deriving group check values from the first progression of rolling hashes for groups of the plurality of packets along one or more paths; verifying the integrity of the data in the message based on or in response to a determination that the derived group check values correspond to the plurality of group check values in the manifest.

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