Providing a secure communication channel between kernel and user mode components
Number of patents in Portfolio can not be more than 2000
United States of America
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May 7, 2024
Grant Date -
Jul 28, 2022
app pub date -
Apr 12, 2022
filing date -
Apr 12, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods for implementing a secure communication channel between kernel and user mode components are provided. According to an embodiment, a shared memory is provided through which a kernel mode process and a user mode process communicate. The kernel mode process is assigned read-write access to the shared memory. The user mode process is assigned read-only access to the shared memory. An offset-based linked list is implemented within the shared memory. Kernel-to-user messages are communicated from the kernel mode process to the user mode process by adding corresponding nodes to the offset-based linked list. One or more kernel-to-user messages are read by the user mode process following the offset-based linked list in order. The kernel mode process is signaled by the user mode process that a kernel-to-user message has been consumed by the user mode process through an input output control (ioctl) system call or an event object.
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