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Minidriver component

This article is valid from Nexus Personal Desktop Client 5.1.


The minidriver component of Nexus Personal Desktop Client implements a Microsoft smart card minidriver. It is a simpler alternative to a legacy cryptographic service provider (CSP). For more information about minidrivers, refer to Microsoft documentation

Any application using Microsoft CryptoAPI (MSCAPI) can automatically access the smart card and smart card reader support of Personal Desktop Client. Some examples of applications using this API are WinLogon, Microsoft Office and Edge Browser.


The minidriver component of Personal Desktop Client has the following limitations:

  • Only read-only operations are allowed. Key generation and key import are not supported at the moment.
  • When running Personal Desktop Client in portable mode, minidriver operating system and browser integration are not available

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