1. A. Shamir and Y. Tauman. Improved online/offline signature schemes. In CRYPTO,pages:47-53,2001.
2. X. Chen, F. Zhang, W. Susilo, and Y. Mu. Efficient generic on-line/off-line signatures Without key exposure. In ACNS, pages:18-30,2007.
3. L. Harm, W.-J. Hsin, and C. Lin. Efficient On-line/Off-line Signature Schemes Based on Multiple-Collision Trapdoor Hash Families.The Computer Journal, 2009.
4. C. zhi Gao and Z. an Yao. A further Improved online/offline signature schemes.In CRYPTO, pages:47-53,2009.
5. M. Girault, G. Poupard, and J. Stern. On the fly authentication and signature schemes Based on Multiple-Collision Trapdoor Hash Families. The Computer Journal, 2009.