Hoon Wei Lim, Kenneth G. Paterson. Multi-key Hierarchical Identity-Based Signatures. In Steven D. Galbraith, editor, Cryptography and Coding, 11th IMA International Conference, Cirencester, UK, December 18-20, 2007, Proceedings. Volume 4887 of Lecture Notes in Computer Science, pages 384-402, Springer, 2007. [doi]
Abstract is missing.