CERN Accelerating science

Article
Report number	FERMILAB-CONF-24-0578-CSAID
Title	WLCG Transition from X.509 to Tokens. Status, Plans, and Timeline
Author(s)	Dack, Thomas (Rutherford Appleton Laboratory) ; Agostini, Federica (INFN, CNAF) ; Basney, Jim (NCSA, Urbana) ; Cornwall, Linda (Rutherford Appleton Laboratory) ; De Stefano, John Steven, Jr (Brookhaven) ; Dykstra, Dave (Fermilab) ; Giacomini, Francesco (INFN, CNAF) ; Litmaath, Maarten (CERN) ; Miccoli, Roberta (INFN, CNAF) ; Sallé, Mischa (Nikhef, Amsterdam) ; Short, Hannah (CERN) ; Vianello, Enrico (INFN, CNAF)
Publication	2024
Number of pages	6
In:	EPJ Web Conf. 295 (2024) 04054
In:	26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.04054
DOI	10.1051/epjconf/202429504054
Subject category	Computing and Computers
Abstract	Since 2017, the Worldwide LHC Computing Grid (WLCG) has been working towards enabling token-based authentication and authorization throughout its entire middleware stack. Following the initial publication of the WLCG Token Schema v1.0 in 2019, OAuth2.0 token workflows have been integrated across grid middleware. There are many complex challenges to be addressed before the WLCG can be end-to-end token-based, including not just technical hurdles but also interoperability with the wider authentication and authorization landscape.This paper presents the status of the WLCG coordination and deployment work, and how it relates to software providers and partner communities. The authors also detail how the WLCG token transition timeline has progressed, and how it has changed since its publication.
Copyright/License	publication: © 2024 The authors CC-BY-4.0

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