"Kota Takahashi,Keitaro Hashimoto,Wakaha Ogata","Chosen-ciphertext secure code-based threshold public key encryptions with short ciphertext",,"Designs, Codes and Cryptography","Springer Nature",,,,2023,Oct. "Atsunori Ichikawa,Wakaha Ogata","Perfectly Secure Oblivious Priority Queue",,"IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences","The Institute of Electronics, Information and Communication Engineer","Vol. E106-A","Issue 3","pp. 272-280",2023,Mar. "松井航輝,尾形わかは","IoT ゲートウェイと複数アプリケーション間の暗号化方式の考察","2023年 暗号と情報セキュリティシンポジウム",,,,,,2023,Jan. "高橋洸太,尾形わかは","符号ベース暗号に対する分散復号方式","2023年 暗号と情報セキュリティシンポジウム",,,,,,2023,Jan. "尾形わかは,冨田斗威,高橋健太,西垣正勝","暗号のための脳機能拡張:信用できる計算機が不要な署名方式の提案(その2)","2023年 暗号と情報セキュリティシンポジウム",,,,,,2023,Jan.