Kenji YASUNAGA

Practical Card-Based Protocol for Three-Input Majority
Kenji YASUNAGA 
Publication:   
Publication Date: 2020/11/01
Vol. E103-A  No. 11  pp. 1296-1298
Type of Manuscript:  LETTER
Category: Cryptography and Information Security
Keyword: 
card-based protocol, majority function, 
 Summary | Full Text:PDF(194.3KB)
Repeated Games for Generating Randomness in Encryption
Kenji YASUNAGA Kosuke YUZAWA 
Publication:   
Publication Date: 2018/04/01
Vol. E101-A  No. 4  pp. 697-703
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
game theory, repeated game, randomness, encryption, 
 Summary | Full Text:PDF(681KB)
Rational Proofs against Rational Verifiers
Keita INASAWA Kenji YASUNAGA 
Publication:   
Publication Date: 2017/11/01
Vol. E100-A  No. 11  pp. 2392-2397
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
rational proof, delegation of computation, game theory, random oracle model, 
 Summary | Full Text:PDF(690.9KB)
Public-Key Encryption with Lazy Parties
Kenji YASUNAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/02/01
Vol. E99-A  No. 2  pp. 590-600
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
public-key encryption, rational cryptography, lazy party, 
 Summary | Full Text:PDF(401.9KB)
Post-Challenge Leakage Resilient Public-Key Cryptosystem in Split State Model
Eiichiro FUJISAKI Akinori KAWACHI Ryo NISHIMAKI Keisuke TANAKA Kenji YASUNAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/03/01
Vol. E98-A  No. 3  pp. 853-862
Type of Manuscript:  PAPER
Category: Cryptography and Information Security
Keyword: 
post-challenge (bounded) leakage, simultaneous secret-key and sender-randomness leakage, CCA2 security for multiple messages, 
 Summary | Full Text:PDF(864.8KB)
Randomness Leakage in the KEM/DEM Framework
Hitoshi NAMIKI Keisuke TANAKA Kenji YASUNAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2014/01/01
Vol. E97-A  No. 1  pp. 191-199
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Public Key Based Cryptography
Keyword: 
leakage resilient cryptography, public-key encryption, KEM/DEM framework, hash proof system, 
 Summary | Full Text:PDF(739.8KB)
List Decoding of Reed-Muller Codes Based on a Generalized Plotkin Construction
Kenji YASUNAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/07/01
Vol. E96-A  No. 7  pp. 1662-1666
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
Reed-Muller code, list decoding, Plotkin construction, 
 Summary | Full Text:PDF(99.7KB)
Leakage-Resilience of Stateless/Stateful Public-Key Encryption from Hash Proofs
Manh Ha NGUYEN Kenji YASUNAGA Keisuke TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2013/06/01
Vol. E96-A  No. 6  pp. 1100-1111
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
public key encryption, hash proof system, key-leakage, chosen-ciphertext attack, 
 Summary | Full Text:PDF(766.6KB)
Local Weight Distribution of the (256, 93) Third-Order Binary Reed-Muller Code
Kenji YASUNAGA Toru FUJIWARA Tadao KASAMI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/03/01
Vol. E90-A  No. 3  pp. 698-701
Type of Manuscript:  LETTER
Category: Coding Theory
Keyword: 
local weight distribution, minimal codeword, Reed-Muller code, binary shift, 
 Summary | Full Text:PDF(86KB)