An Introduction to OpenID

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OpenID is a decentralized single sign-on system that allows users to authenticate using an identity provider of their choice instead of individual credentials for each website. It works by allowing users to claim ownership of a URI that acts as their identifier, and authenticate to websites by proving control of that URI to the identity provider rather than sharing separate credentials with each site. Ownership of the URI and choice of identity provider remains with the user, avoiding issues like username squatting and lock-in to a single provider seen in other systems.

What is OpenID? OpenID is a decentralised Single Sign On system for the web. An Introduction

Why OpenID? Too many user names? Too many passwords? User name already taken? An Introduction

What is an OpenID? An OpenID is simply a URI, e.g. http://mmanders.myopenid.com An Introduction

So what? You can claim ownership of a URI. The ability to prove ownership of a URI can facilitate authentication. An Introduction

How? You don’t authenticate to a site with credentials agreed on with that site. You authenticate with credentials agreed on with your ID Provider. An Introduction

This sounds familiar! It’s Similar to Microsoft Passport. It’s different in that Microsoft doesn’t have ownership – you do! An Introduction

This sounds familiar! It’s an open standard. The standard isn’t owned by any single organisation. You don’t have to seek Microsoft permission to implement it. An Introduction

Who has ownership? You do! You pick an Identity Provider. Or implement the server-side yourself! An Introduction

How does OpenID work? Link tag on OpenID page. <link rel=“openid.server” href=http://www.myopenid.com/server /> An Introduction

How does OpenID work? Relying party establishes a shared secret with Identity Provider using Diffie-Hellman key exchange. An Introduction

How does OpenID work? HTML at URI is parsed to discover Identity Provider. An Introduction

How does OpenID work? User is redirected to Identity Provider in order to authenticate. An Introduction

How does OpenID work? User is redirected back to relying party and shared secret is used to guard against spoofed requests. An Introduction

Can I use my own URI? Using delegation, you can use your own domain as your OpenID! An Introduction

Can I use my own URI? Put the following link tags in the head section of your domain index page: <link rel=“openid.server” href=“<id_server”> /> <link rel=“openid.delegate” href=“<delegate url>” /> An Introduction

Can I use my own URI? For example, until I implement my own server, I use: <link rel=“openid.server” href=http://www.myopenid.com/server /> <link rel=“openid.delegate” href=http://maxmanders.myopenid.com /> An Introduction

Can I change providers? What if I don’t trust my provider? You can simply delegate authority to a different provider! An Introduction

Further Reading… The Specifications: http://openid.net Wikipedia: http://en.wikipedia.org/wiki/OpenID Implementation Libraries: http://openidenabled.com Jan Rain: http://janrain.com/openid An Introduction

Thank You! Max Manders http://maxmanders.co.uk [email_address] An Introduction

This document summarizes a presentation about OpenID Connect. OpenID Connect is an identity layer on top of the OAuth 2.0 protocol that allows clients to verify the identity of the user based on the authentication performed by an authorization server, as well as to obtain basic profile information about the user. It defines core functionality for modern identity frameworks by standardizing how clients and servers discover and use identity data exposed by identity providers and how clients can verify that identity data. The presenter discusses how OpenID Connect provides a simple yet powerful way to authenticate users and share attributes about them between websites and applications in an interoperable manner.

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Integration of Utility Data into 3D BIM Models Using a 3D Solids Modeling Wor...Safe Software

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When projects depend on fast, reliable spatial data, every minute counts. AI Clearing needed a faster way to handle complex spatial data from drone surveys, CAD designs and 3D project models across construction sites. With FME Form, they built no-code workflows to clean, convert, integrate, and validate dozens of data formats – cutting analysis time from 5 hours to just 30 minutes. Join us, our partner Globema, and customer AI Clearing to see how they: -Automate processing of 2D, 3D, drone, spatial, and non-spatial data -Analyze construction progress 10x faster and with fewer errors -Handle diverse formats like DWG, KML, SHP, and PDF with ease -Scale their workflows for international projects in solar, roads, and pipelines If you work with complex data, join us to learn how to optimize your own processes and transform your results with FME.

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“Key Requirements to Successfully Implement Generative AI in Edge Devices—Opt...Edge AI and Vision Alliance

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Delivering solutions to Azure may involve a variety of architecture patterns involving your applications, APIs data and associated Azure resources that comprise the solution. This session will use reference architectures to illustrate the security considerations to protect your Azure resources and data, how to achieve Zero Trust, and why it matters. Topics covered will include specific security recommendations for types Azure resources and related network security practices. The goal is to give you a breadth of understanding as to typical security requirements to meet compliance and security controls in an enterprise solution.