IRILL - Research and Innovation on Free Software WebID (aka FOAF + SSL/TLS) is a set of specs being standardized at the W3C to use Linked Data / Semantic Web meta-data for identification and SSL/TLS (client) certs for authentication. There has been discussions of the benefits of WebID / WebID + TLS for identification of Debian participants and/or authentication to Debian services on mailing-lists (debian-devel + debian-project at least). This BoF intends to try and discuss pros and cons of the technology and its potential use for Debian