Method and apparatus for security certified smart card OS diversification system

    公开(公告)号:US10789075B2

    公开(公告)日:2020-09-29

    申请号:US15719616

    申请日:2017-09-29

    Applicant: NXP B.V.

    Abstract: Various embodiments relate to a method and apparatus for embedding an operating system in a smart card product, which is certified and which derives multiple variants from the operating system, the method including the steps of certifying, a target of evaluation, the target of evaluation including an OS core mask and a plurality of components which includes OS components and plugin placeholders, building, by an image builder tool, romized content and runtime content including at least one of the plurality of components and customizing which of the plurality of components to include on the smart card product.

    MANAGING MEMORY IN AN ELECTRONIC DEVICE

    公开(公告)号:US20210081335A1

    公开(公告)日:2021-03-18

    申请号:US16996448

    申请日:2020-08-18

    Applicant: NXP B.V.

    Abstract: There is described a method of managing memory in an electronic device, the method comprising creating a set of equally sized logical regions in a logical address space, each logical region comprising a plurality of consecutive logical addresses, and mapping a subset of consecutive logical addresses within each logical region to a set of physical addresses within a corresponding physical memory region, the subset of consecutive logical addresses comprising the first logical address within the logical region, said first logical address being mapped to a base address within the corresponding physical memory region. Furthermore, there is described a controller for managing memory in an electronic device and a method of determining a physical memory address in a physical memory region using such a controller.

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