IEICE Trans

Yusuke SAKAI

Achieving Pairing-Free Aggregate Signatures using Pre-Communication between Signers Kaoru TAKEMURE Yusuke SAKAI Bagus SANTOSO Goichiro HANAOKA Kazuo OHTA
Publication: Publication Date: 2021/09/01 Vol. E104-A No. 9 pp. 1188-1205 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Cryptography and Information Security Keyword: aggregate signatures, pre-communication, knowledge of secret key model, rogue-key attack,
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Equivalence between Non-Malleability against Replayable CCA and Other RCCA-Security Notions Junichiro HAYATA Fuyuki KITAGAWA Yusuke SAKAI Goichiro HANAOKA Kanta MATSUURA
Publication: Publication Date: 2021/01/01 Vol. E104-A No. 1 pp. 89-103 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: public-key encryption, non-malleability, replayable chosen ciphertext security,
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Practical Public-Key Encryption Scheme Tightly Secure in the Random Oracle Model Yusuke SAKAI Goichiro HANAOKA
Publication: Publication Date: 2020/01/01 Vol. E103-A No. 1 pp. 165-172 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: public-key encryption, chosen-ciphertext security, tight security,
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Generic Construction of Adaptively Secure Anonymous Key-Policy Attribute-Based Encryption from Public-Key Searchable Encryption Junichiro HAYATA Masahito ISHIZAKA Yusuke SAKAI Goichiro HANAOKA Kanta MATSUURA
Publication: Publication Date: 2020/01/01 Vol. E103-A No. 1 pp. 107-113 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: public-key searchable encryption, attribute-based encryption,
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A Setup-Free Threshold Encryption Scheme for the Bitcoin Protocol and Its Applications Goichiro HANAOKA Yusuke SAKAI Toshiya SHIMIZU Takeshi SHIMOYAMA SeongHan SHIN
Publication: Publication Date: 2020/01/01 Vol. E103-A No. 1 pp. 150-164 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: threshold encryption, ECDSA, Bitcoin, provable security, implementation,
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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,
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Shortening the Libert-Peters-Yung Revocable Group Signature Scheme by Using the Random Oracle Methodology Kazuma OHARA Keita EMURA Goichiro HANAOKA Ai ISHIDA Kazuo OHTA Yusuke SAKAI
Publication: Publication Date: 2019/09/01 Vol. E102-A No. 9 pp. 1101-1117 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Cryptography and Information Security Keyword: group signature, revocation, scalability,
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Tag-KEM/DEM Framework for Public-Key Encryption with Non-Interactive Opening Yusuke SAKAI Takahiro MATSUDA Goichiro HANAOKA
Publication: Publication Date: 2018/11/01 Vol. E101-D No. 11 pp. 2677-2687 Type of Manuscript: Special Section PAPER (Special Section on Information and Communication System Security) Category: Cryptographic Techniques Keyword: Public-key encryption with non-interactive opening, Tag-KEM,
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Group Signature with Deniability: How to Disavow a Signature Ai ISHIDA Keita EMURA Goichiro HANAOKA Yusuke SAKAI Keisuke TANAKA
Publication: Publication Date: 2017/09/01 Vol. E100-A No. 9 pp. 1825-1837 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: group signature, deniability, non-interactive zero-knowledge proof, bilinear map,
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Disavowable Public Key Encryption with Non-Interactive Opening Ai ISHIDA Keita EMURA Goichiro HANAOKA Yusuke SAKAI Keisuke TANAKA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2015/12/01 Vol. E98-A No. 12 pp. 2446-2455 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Cryptography and Information Security Keyword: public key encryption with non-interactive opening, disavowability, non-interactive zero-knowledge proof,
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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,
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Ciphertext-Policy Delegatable Hidden Vector Encryption and Its Application Mitsuhiro HATTORI Takato HIRANO Takashi ITO Nori MATSUDA Takumi MORI Yusuke SAKAI Kazuo OHTA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2013/01/01 Vol. E96-A No. 1 pp. 53-67 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Public Key Based Protocols Keyword: hidden vector encryption, searchable encryption, pairing-based cryptography,
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How to Shorten a Ciphertext of Reproducible Key Encapsulation Mechanisms in the Random Oracle Model Yusuke SAKAI Goichiro HANAOKA Kaoru KUROSAWA Kazuo OHTA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2011/06/01 Vol. E94-A No. 6 pp. 1293-1305 Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications) Category: Keyword: public key encryption, chosen-ciphertext security, key encapsulation mechanism,
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