Keiichi IWAMURA


FOREWORD
Keiichi IWAMURA 
Publication:   
Publication Date: 2019/01/01
Vol. E102-D  No. 1  pp. 1-1
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
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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 signaturesidentity-based structured signaturesprovable securityCDH problemrandom oracle modeltight reduction
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Information Hiding and Its Criteria for Evaluation
Keiichi IWAMURA Masaki KAWAMURA Minoru KURIBAYASHI Motoi IWATA Hyunho KANG Seiichi GOHSHI Akira NISHIMURA 
Publication:   
Publication Date: 2017/01/01
Vol. E100-D  No. 1  pp. 2-12
Type of Manuscript:  INVITED PAPER (Special Section on Enriched Multimedia —New Technology Trends in Creation, Utilization and Protection of Multimedia Information—)
Category: 
Keyword: 
information hidingevaluation criteriadigital watermarkingstill imagevideoaudioIHC committee
 Summary | Full Text:PDF(1.3MB)