IEICE Trans

Yutaka KAWAI

Verifiable Privacy-Preserving Data Aggregation Protocols Satoshi YASUDA Yoshihiro KOSEKI Yusuke SAKAI Fuyuki KITAGAWA Yutaka KAWAI Goichiro HANAOKA
Publication: Publication Date: 2020/01/01 Vol. E103-A No. 1 pp. 183-194 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: homomorphic encryption, verifiable homomorphic encryption, SXDH,
	Summary \| Full Text:PDF(1.8MB)

Proxy Re-Encryption That Supports Homomorphic Operations for Re-Encrypted Ciphertexts Yutaka KAWAI Takahiro MATSUDA Takato HIRANO Yoshihiro KOSEKI Goichiro HANAOKA
Publication: Publication Date: 2019/01/01 Vol. E102-A No. 1 pp. 81-98 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: Proxy Re-encryption, homomorphic encryption,
	Summary \| Full Text:PDF(1.8MB)

Methods for Restricting Message Space in Public-Key Encryption Yusuke SAKAI Keita EMURA Goichiro HANAOKA Yutaka KAWAI Kazumasa OMOTE
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2013/06/01 Vol. E96-A No. 6 pp. 1156-1168 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: public-key encryption, abuse detection, format checking,
	Summary \| Full Text:PDF(978.9KB)

A Swarm Inspired Method for Efficient Data Transfer Yutaka KAWAI Adil HASAN Go IWAI Takashi SASAKI Yoshiyuki WATASE
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2012/12/01 Vol. E95-D No. 12 pp. 2852-2859 Type of Manuscript: Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking) Category: Network and Communication Keyword: data grid, ACO, swarm intelligence, grid computing, file system, iRODS,
	Summary \| Full Text:PDF(747KB)

Public Key Encryption Schemes from the (B)CDH Assumption with Better Efficiency Shota YAMADA Yutaka KAWAI Goichiro HANAOKA Noboru KUNIHIRO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/11/01 Vol. E93-A No. 11 pp. 1984-1993 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Cryptography and Information Security Keyword: public key encryption, chosen-ciphertext security, computational Diffie-Hellman assumption, bilinear computational Diffie-Hellman assumption,
	Summary \| Full Text:PDF(397.8KB)

Extension of Secret Handshake Protocols with Multiple Groups in Monotone Condition Yutaka KAWAI Shotaro TANNO Takahiro KONDO Kazuki YONEYAMA Kazuo OHTA Noboru KUNIHIRO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/06/01 Vol. E93-A No. 6 pp. 1122-1131 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Cryptography and Information Security Keyword: secret handshake with multiple groups, privacy preserving authentication, anonymity, monotone condition,
	Summary \| Full Text:PDF(1.3MB)