Authorisation Jens Jensen, Phil Kershaw (STFC) et al. contrail is co-funded by the EC 7th Framework Programme under Grant Agreement nr. 257438 contrail-project.eu.

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Presentation transcript:

Authorisation Jens Jensen, Phil Kershaw (STFC) et al. contrail is co-funded by the EC 7th Framework Programme under Grant Agreement nr contrail-project.eu 01

Background Using OAuth2 to obtain delegated certificate Project internally uses RESTful webservices – Except a few SOAPful instances Own implementation of OAuth2 – Python – Collaboration with NDG (CEDA) Need to use and delegate X.509 certificates

Use Cases for Delegation User credential – To virtual machine = access data Host credential – No longer needed? Virtual networks – secured with certificates

Non-interactive Delegation Interface (2-legged OAuth) 4

Interactive Delegation Interface (OAuth)

Delegation to VMI

Experiences Need to link access token with permissions – Authorisation server to resource server – Projects have investigated magic access tokens Interoperation between Java and Python impl. Full OAuth – need socket open on client!!! – Unusable for real life scenarios Protocol features – Some essential things out of scope of protocol: authentication, discovery – Relies heavily on HTTP redirections Not a standard yet – Simpler than OAuth – but getting complex??

Funded under: FP7 (Seventh Framework Programme) Area: Internet of Services, Software & virtualization (ICT ) Project reference: Total cost: 11,29 million euro EU contribution: 8,3 million euro Execution: From untill Duration: 36 months Contract type: Collaborative project (generic) contrail is co-funded by the EC 7th Framework Programme contrail-project.eu 09

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