Mitsugu IWAMOTO


Q-Class Authentication System for Double Arbiter PUF
Risa YASHIRO Takeshi SUGAWARA Mitsugu IWAMOTO Kazuo SAKIYAMA 
Publication:   
Publication Date: 2018/01/01
Vol. E101-A  No. 1  pp. 129-137
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
Physically Unclonable Functionauthenticationmachine-learning attack
 Summary | Full Text:PDF(2.8MB)

Optimal Multiple Assignments Based on Integer Programming in Secret Sharing Schemes with General Access Structures
Mitsugu IWAMOTO Hirosuke YAMAMOTO Hirohisa OGAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/01/01
Vol. E90-A  No. 1  pp. 101-112
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Protocols
Keyword: 
secret sharing schemesgeneral access structuresmultiple assignment mapinteger programmingramp schemes
 Summary | Full Text:PDF(274.9KB)

Visual Secret Sharing Schemes for Multiple Secret Images Allowing the Rotation of Shares
Mitsugu IWAMOTO Lei WANG Kazuki YONEYAMA Noboru KUNIHIRO Kazuo OHTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/05/01
Vol. E89-A  No. 5  pp. 1382-1395
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
visual secret sharing schemesvisual cryptographysecret sharing schemesmultiple secret imagesrotation of shares
 Summary | Full Text:PDF(527.7KB)

A Construction Method of Visual Secret Sharing Schemes for Plural Secret Images
Mitsugu IWAMOTO Hirosuke YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2003/10/01
Vol. E86-A  No. 10  pp. 2577-2588
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Information Security
Keyword: 
visual secret sharing schemesplural secret imagesgeneral access structures
 Summary | Full Text:PDF(389.5KB)

The Optimal n-out-of-n Visual Secret Sharing Scheme for Gray-Scale Images
Mitsugu IWAMOTO Hirosuke YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/10/01
Vol. E85-A  No. 10  pp. 2238-2247
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Information Security
Keyword: 
visual secret sharing schemegray-scale imagepolynomial representationcontrastpixel expansion
 Summary | Full Text:PDF(507.3KB)

An Analytic Construction of the Visual Secret Sharing Scheme for Color Images
Hiroki KOGA Mitsugu IWAMOTO Hirosuke YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/01/01
Vol. E84-A  No. 1  pp. 262-272
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
secret sharingvisual secret sharingvisual cryptologygeneral access structure
 Summary | Full Text:PDF(348.5KB)