@article{weko_145391_1, author = "Koji,Tomida and Hiroshi,Doi and Masami,Mohri and Yoshiaki,Shiraishi", title = "Ciphertext Divided Anonymous HIBE and Its Transformation to Identity-Based Encryption with Keyword Search", journal = "Journal of information processing", year = "2015", volume = "23", number = "5", pages = "562--569", month = "sep" }