1. Policy-based cryptography and applications;Bagga,2005
2. Collusion-free policy-based encryption;Bagga,2006
3. Policy-based signatures;Bellare,2014
4. Multi-signatures in the plain public-key model and a general forking lemma;Bellare,2006
5. Ring signatures: stronger definitions, and constructions without random oracles;Bender,2006