1. Anonymity 2.0: X.509 extensions supporting privacy-friendly authentication;Benjumea,2007
2. A first approach to provide anonymity in attribute certificates;Benjumea,2004
3. Efficient non-transferable anonymous multi-show credential system with optional anonymity revocation;Camenisch,2001
4. Towards measuring anonymity;Diaz,2002
5. Directive 95/46/EC of the European Parliament and of the Council, Offcial Journal L 281, http://eur-lex.europa.eu/ (Oct. 1995).