Naoto YANAI

Efficient Secure Neural Network Prediction Protocol Reducing Accuracy Degradation
Naohisa NISHIDA Tatsumi OBA Yuji UNAGAMI Jason PAUL CRUZ Naoto YANAI Tadanori TERUYA Nuttapong ATTRAPADUNG Takahiro MATSUDA Goichiro HANAOKA 
Publication:   
Publication Date: 2020/12/01
Vol. E103-A  No. 12  pp. 1367-1380
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
secure computation, secret sharing, machine learning, binarized neural networks, 
 Summary | Full Text:PDF
Meeting Tight Security for Multisignatures in the Plain Public Key Model
Naoto YANAI 
Publication:   
Publication Date: 2018/09/01
Vol. E101-A  No. 9  pp. 1484-1493
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
multisignatures, plain public key model, provable security, tight reduction, random oracle model, CDH problem, 
 Summary | Full Text:PDF
Tighter Reductions for Deterministic Identity-Based Signatures
Naoto YANAI Toru FUJIWARA 
Publication:   
Publication Date: 2018/01/01
Vol. E101-A  No. 1  pp. 64-76
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
identity-based signatures, deterministic identity-based signatures, provable security, CDH problem, random oracle model, tight reduction, 
 Summary | Full Text:PDF
Provably Secure Gateway Threshold Password-Based Authenticated Key Exchange Secure against Undetectable On-Line Dictionary Attack
Yukou KOBAYASHI Naoto YANAI Kazuki YONEYAMA Takashi NISHIDE Goichiro HANAOKA Kwangjo KIM Eiji OKAMOTO 
Publication:   
Publication Date: 2017/12/01
Vol. E100-A  No. 12  pp. 2991-3006
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
password-based authenticated key exchange (PAKE), threshold cryptography, 
 Summary | Full Text:PDF | (Errata[Uploaded on January 1,2018])
Provably Secure Structured Signature Schemes with Tighter Reductions
Naoto YANAI Tomoya IWASAKI Masaki INAMURA Keiichi IWAMURA 
Publication:   
Publication Date: 2017/09/01
Vol. E100-A  No. 9  pp. 1870-1881
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
structured signatures, identity-based structured signatures, provable security, CDH problem, random oracle model, tight reduction, 
 Summary | Full Text:PDF
A Secure Structured Multisignature Scheme Based on a Non-commutative Ring Homomorphism
Naoto YANAI Eikoh CHIDA Masahiro MAMBO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/06/01
Vol. E94-A  No. 6  pp. 1346-1355
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
multisignature scheme, structured multisignature scheme, homomorphic scheme, non-commutative ring homomorphism, random oracle model, 
 Summary | Full Text:PDF