This book constitutes the thoroughly refereed post-conference proceedings of the 7th European Workshop on Public Key Infrastructures, Services and Applications, Euro PKI 2010, held in Athens, Greece, in September 2010. The 14 revised full papers presented together with an invited article were carefully reviewed and selected from 41 submissions. The papers are organized in topical sections on authentication mechanisms; privacy preserving techniques; PKI & PKC applications; electronic signature schemes; identity management.