1. On the security of joint signature and encryption;An,2002
2. Formal proofs for the security of signcryption;Baek,2002
3. Formal proofs for the security of signcryption;Baek;J. Cryptol.,2007
4. A signcryption scheme with signature directly verifiable by public key;Bao,1998
5. Optimal asymmetric encryption;Bellare,1995