This provides an interface to track, select, and communicate with all drivers that declare themselves members of the smart card reader device group. Note For smart card implementations, consider sending all communications in Windows operating systems with smart card readers through the Smart Cards for Windows service. It initializes its data cache and a global event that signals that the service has started. It registers itself for Plug and Play (PnP) notifications related to device removal and additions. It registers itself for service notifications.
When the service is started, it performs several functions: Using this method ensures that the service is enabled when it is needed, but it is also disabled for users who do not use smart cards. If a device advertises itself as part of this class, the entry point is automatically invoked to start the service when the device is inserted. The entry point is defined as part of the SmartCardReader class, and it is not called directly. Creators of smart card reader drivers must configure their INFs so that they start the service automatically and winscard.dll files call a predefined entry point to start the service during installation. Note For winscard.dll to be invoked as the proper class installer, the INF file for a smart card reader must specify the following for Class and ClassGUID:ĬlassGuid=īy default, the service is configured for manual mode. The Smart Cards for Windows service, Scardsvr, has the following service description: The Smart Cards for Windows service runs in the context of a local service, and it is implemented as a shared service of the services host (svchost) process. For information about these specifications, see the PC/SC Workgroup Specifications website. It is fully compliant with the specifications set by the PC/SC Workgroup.
The Smart Cards for Windows service provides the basic infrastructure for all other smart card components as it manages smart card readers and application interactions on the computer.
This topic for the IT professional and smart card developers describes how the Smart Cards for Windows service (formerly called Smart Card Resource Manager) manages readers and application interactions.
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