Pkcs11Admin is an open-source GUI tool for administration of PKCS#11 enabled devices (smartcards, HSMs etc.) which runs under .NET 4.5 on MS Windows and under Mono 3.X on Linux and Mac OS X. Device management Provides overview of device status, device capabilities and allows you to manage PIN codes Object management Manages individual object attributes, imports/exports objects and generates keys and key pairs PKI capabilities Generates PKCS#10 certificate signing requests and self-signed X.509 certificates Note: you have to use the pkcs11 lib/dlls from OpenSC, to act as an interface, for this tool to work.