@misc{cryptoeprint:2017:313, author = {Yanqing Yao, Hua Guo, Zhoujun Li}, title = {A Generic Approach to Identity-based Sequential Aggregate Signatures: New constructions from 2-level HIBE Schemes}, howpublished = {Cryptology ePrint Archive, Report 2017/313}, year = {2017}, url = {https://eprint.iacr.org/2017/313}, }