1. 1-out-of-n signatures from a variety of keys;Abe,2002
2. An efficient anonymous credential system;Akagi,2008
3. A practical and provably secure coalition-resistant group signature scheme;Ateniese,2000
4. Improved proxy re-encryption schemes with applications to secure distributed storage;Ateniese,2005
5. Anonymous credentials light;Baldimtsi,2013