1. Blind signatures for untraceable payments;Chaum,1983
2. How to date blind signatures;Abe,1996
3. Identity-based cryptosystems and signature schemes;Shamir,1984
4. How to prove yourself: practical solutions to identification and signature problems;Fiat,1986
5. A “paradoxical” identity-based signature scheme resulting from zero-knowledge;Guillou,1988