Kenta KURIHARA

On the Security of Block Scrambling-Based EtC Systems against Extended Jigsaw Puzzle Solver Attacks
Tatsuya CHUMAN Kenta KURIHARA Hitoshi KIYA 
Publication:   
Publication Date: 2018/01/01
Vol. E101-D  No. 1  pp. 37-44
Type of Manuscript:  Special Section PAPER (Special Section on Enriched Multimedia — Potential and Possibility of Multimedia Contents for the Future —)
Category: 
Keyword: 
jigsaw puzzle, JPEG, encryption, EtC system, 
 Summary | Full Text:PDF(1.9MB)
An Encryption-then-Compression System for Lossless Image Compression Standards
Kenta KURIHARA Shoko IMAIZUMI Sayaka SHIOTA Hitoshi KIYA 
Publication:   
Publication Date: 2017/01/01
Vol. E100-D  No. 1  pp. 52-56
Type of Manuscript:  Special Section LETTER (Special Section on Enriched Multimedia —New Technology Trends in Creation, Utilization and Protection of Multimedia Information—)
Category: 
Keyword: 
Encryption-then-Compression system, lossless compression, international standard, JPEG XR, JPEG-LS, 
 Summary | Full Text:PDF(928.6KB)
An Encryption-then-Compression System for JPEG/Motion JPEG Standard
Kenta KURIHARA Masanori KIKUCHI Shoko IMAIZUMI Sayaka SHIOTA Hitoshi KIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/11/01
Vol. E98-A  No. 11  pp. 2238-2245
Type of Manuscript:  Special Section PAPER (Special Section on Smart Multimedia & Communication Systems)
Category: 
Keyword: 
Encryption-then-Compression system, perceptual encryption, JPEG, color image, cryptographic hash function, 
 Summary | Full Text:PDF(5.5MB)