Likewise, smart card-aware applications can send instructions to a smart card reader driver by means of DeviceIoControl, and the operating system will forward the indicated IOCTL to the reader driver. For information about how to use the DeviceIoControl system call, refer to the DeviceIoControl topic in the Microsoft Windows SDK. The resource manager communicates with the reader driver by means of I/O controls that are dispatched using the DeviceIoControl system call. The reader driver resides in kernel space, and the smart card resource manager resides in user space. In addition, the figure shows the following components of the smart card environment:Īpplications communicate with a smart card reader driver by means of the smart card resource manager.
The following figure shows the standard environment for the smart card reader driver.
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