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Communicating with identity and access management systems is a common task for many web-applications exposing secured resources. Keycloak is an open source software that provides not also such authorization services but also offers a lot of features from Single-Sign-On, Identity-Brokering, Social-Login, User-Federation, multiple client-adapters up to the administration console or support for protocols like OpenID, SAML, OAuth2, Kerberos and more. I will demonstrate how to integrate a Spring Boot web application with Keycloak and configure an authentication flow that requires a two-factor-authentication with user credentials and also one-time-passwords. ...

I’ve released a new plugin for the popular Confluence Wiki that extends the user profile with new tab that displays the user’s vcard as a QR code. This allows an easy import of address data from Confluence to your smartphone. Features Display of a Confluence user’s contact data as a QR code in a separate tab in the user profile More to be implemented .. Installation Just download the plugin from Atlassian’s Plugin Exchange and install it using the Universal Plugin Manager in your Confluence’s administration area That’s all .. nothing to configure here .. ...

Sometimes QR codes are a nice way to distribute information like calendar events, contact information, e-mail, geo-locations or internet addresses. In the following article we’re going to encode information to QR code images using the ZXing library and afterwards decode information from a given QR code. Finally we’re taking a look on online QR code generators and how to integrate the ZXing library in a Maven project. The ZXing Library Download the ZXing Libraries from http://code.google.com/p/zxing/downloads/list – the file name is ZXing-<version>.zip Unpack the downloaded archive somewhere Change to the extracted directory and run ant. If you don’t have JavaME installed – and you don’t have to for the samples below – run ant buildwithoutj2me – that will do the job Having compiled the libraries you’re now free to include the core.jar from zxing-<version>/core/ and the javase.jar from zxing-<version>/javase as dependency in your project ...