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Grid Access Toolkit for MS Windows

This toolkit aims to streamline access to Grid facilities and provide a single sign-on solution for MS Windows users. It focuses on the gLite model and integrates with the standard Windows environment, with support for smart cards and GSI-enabled SSH and SCP clients. The toolkit addresses obstacles such as proxy management, lack of a real SSO mechanism, and GUI availability.

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Grid Access Toolkit for MS Windows

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  1. Grid Access Toolkit forMS Windows Daniel Kouřil CESNET, kouril@ics.muni.cz MWSG meeting, Jun 12-13 2007

  2. Motivation • Ease access to Grid facilities and provide a SSO solution • Not aiming at a complex desktop grid solution • Focusing on the gLite model • UI machines accessed using SSH • A simple package that can be easily installed • Smart card support • Intergration with standard Windows environment • don‘t care about Unix or MacOS users at the moment • (Kerberos interoperability)

  3. Main obstacles identified • Proxy management • Lack of real SSO solution • either cumbersome or even unsecure • GUI not available • CA root certificates management • CRL updates

  4. Goals • GUI to proxy certificates management • with VOMS support • GSI enabled ssh and scp clients • Use as much as possible standard tools • Real SSO mechanism • users explicitely log in to the grid from their desktop just once a day

  5. Current status • Command-line commands to generate proxy certificates • A beta version of GUI to maintain proxies • create/destroy proxy certificates • support for smart cards and MS Windows CertStore • GSI enabled PuTTY and WinSCP • authentication using GSI • credential delegation

  6. GUI

  7. PuTTY & WinSCP

  8. Components • Globus • GSSAPI libraries ported to Win32 • patch not comunicated yet • VOMS • client part ported to Win32 • voms-proxy-init, voms-proxy-info commands available for Win32 • patch being discussed with Vincenzo • re-actived support for PKCS11 • added support for MS CertStore • no need to store certificates in files

  9. Components • Network Identity Manager • a modular framework to maintain credentials • developed by the Kerberos community • plugins for Kerberos5, Kerberos4, AFS, kCA • open source solution (MIT license) • Plugin for NetIdMgr to maintain proxy certificates • based on VOMS libraries • currently tied with Kerberos identity • PuTTy and WinSCP • a third-party patch neccessary for GSSAPI support • originaly meant for Kerberos works with Globus as well

  10. Resources • http://egee.cesnet.cz/mediawiki/index.php/VOMS_on_MS_Windows • contains a zip archive with the voms tools and ssh clients • http://egee.cesnet.cz/mediawiki/index.php/Proxy_Management_Using_the_Network_Identity_Provider • under development

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