1. Chameleon hashing and signatures;Krawczyk,2000
2. Undeniable signatures;Chaum,1989
3. Designated confirmer signatures. Advances in Cryptology-Eurocrypt 1994;Chaum,1994
4. Invisibility and anonymity of undeniable and confirmer signatures. CT-RSA 2003;Galbraith,2003
5. Designated verifier proofs and their applications;Jakobsson,1996