"Xiangyu Su,Mario Larangeira,Keisuke Tanaka","How to Prove Work: With Time or Memory.",,"IEEE Access",,"Vol. 10",,"  1192 - 1201",2021,Dec.
"Carlo Brunetta,Mario Larangeira,Bei Liang,Aikaterini Mitrokotsa,Keisuke Tanaka","Turn-Based Communication Channels","Provable and Practical Security - 15th International Conference, ProvSec 2021",,,,,,2021,Nov.
"Maxim Jourenko,Mario Larangeira,Keisuke Tanaka","Payment Trees: Low Collateral Payments for Payment Channel Networks","International Conference on Financial Cryptography and Data Security","Financial Cryptography and Data Security",,,,"  189?208",2021,Oct.
"Keisuke Hara,Keisuke Tanaka","Tightly secure ring signatures in the standard model",,"Theoretical Computer Science",,"Volume 892",,"Page 208-237",2021,Sept.
"Kyohei Sudo,Masayuki Tezuka,Keisuke Hara,Yusuke Yoshida,Keisuke Tanaka","Watermarkable Signature with Computational Function Preserving",,"IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences",,"  E104.","  9","pp. 1255-1270",2021,Sept.
"Yi Lu,Keisuke Hara,Keisuke Tanaka","Receiver Selective Opening CCA Secure Public Key Encryption from Various Assumptions",,"IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences",,"  E104","  9","pp. 1206-1218",2021,Sept.
"Xiangyu Su,Mario Larangeira,Keisuke Tanaka","How to Prove Work: With Time or Memory",,"IEEE International Conference on Blockchain and Cryptocurrency (ICBC)",,,,,2021,June
"Fuyuki Kitagawa,Ryo Nishimaki,Keisuke Tanaka","Simple and Generic Constructions of Succinct Functional Encryption",,"Journal of Cryptology",,"Vol. 34",,,2021,May
"Keisuke Hara,Takahiro Matsuda,Keisuke Tanaka","Receiver Selective Opening Chosen Ciphertext Secure Identity-Based Encryption","the 8th ACM on ASIA Public-Key Cryptography Workshop","Proceedings of the 8th ACM on ASIA Public-Key Cryptography Workshop",,,,"pp. 51-59",2021,May
"Yuyu Wang,Takahiro Matsuda,Goichiro hanaoka,KEISUKE TANAKA","Impossibility on Tamper Resilient Cryptography with Uniqueness Properties","24th IACR International Conference on Practice and Theory of Public Key Cryptography, Virtual Event","Public-Key Cryptography ? PKC 2021",,,,"pp. 389-420",2021,May
"Shohei Egashira,Yuyu Wang,Keisuke Tanaka","Fine-Grained Cryptography Revisited",,"Journal of Cryptology",,"Vol. 34","No. 3",,2021,May
"Daiki Hiraga,Keisuke Hara,Masayuki Tezuka,Yusuke Yoshida,Keisuke Tanaka","Security Definitions on Time-Lock Puzzles","International Conference on Information Security and Cryptology","Information Security and Cryptology ? ICISC 2020",,,,"pp. 3-15",2021,Feb.
"Tasuku Narita,Fuyuki Kitagawa,Yusuke Yoshida,Keisuke Tanaka","Secret Sharing with Statistical Privacy and Computational Relaxed Non-malleability","International Conference on Information Security and Cryptology","Information Security and Cryptology ? ICISC 2020",,,,"pp. 16-39",2021,Feb.
"数藤 恭平,手塚 真徹,原 啓祐,吉田 雄祐,田中 圭介","計算量的機能保存性をもつ電子透かし署名",,,,,,,2021,Jan.
"Masayuki Tezuka,Keisuke Tanaka","Redactable Signature with Compactness from Set-Commitment",,"IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences",,"  E104","  9","  1175-1187",2021,Jan.
"成田資,吉田雄祐,田中圭介","秘密分散における複数メッセージに対する緩和した改ざん耐性","情報とセキュリティシンポジウム(SCIS2021)",,,,,,2021,Jan.
"山室宏貴,原啓祐,手塚真徹,吉田雄祐,田中圭介","フォワード安全な認証付きコミッティング暗号","情報とセキュリティシンポジウム(SCIS2021)",,,,,,2021,Jan.
"Maxim Jourenko,Mario Larangeira,Keisuke Tanaka","Payment Trees: Low Collateral Payments for Payment Channel Networks","情報とセキュリティシンポジウム(SCIS2021)",,,,,,2021,Jan.
"KEISUKE TANAKA,Keisuke Hara","Ring Signature With Unconditional Anonymity in the Plain Model",,"IEEE Access",,"Vol. 9",,"pp. 7762-7774",2021,Jan.