1. Digital signcryption or how to achieve cost(signature & encryption) ≪ cost(signature) + cost(encryption);Zheng,1997
2. How to construct efficient signcryption schemes on elliptic curves;Zheng;Information Processing Letters,1998
3. A signcryption scheme based on integer factorization;Steinfeld,2000
4. New signcryption schemes based on KCDSA;Yum,2001
5. Identity-based cryptosystems and signature schemes;Shamir,1984