@article{CTT100683585, author = {Nguyen Quoc Viet and Wakaha Ogata}, title = {Certificateless Aggregate Signature Schemes with Improved Security}, journal = {IEICE Trans. on Fundamentals}, year = 2015, } @inproceedings{CTT100648601, author = {NGUYEN QUOC VIET and Wakaha Ogata}, title = {Two New Schemes of Certificateless Aggregate Signature with Improvement of Security}, booktitle = {暗号と情報セキュリティシンポジウム予稿集(CD-ROM) SCIS2013}, year = 2013, }