Junichi TOMIDA


Strongly Secure Identity-Based Key Exchange with Single Pairing Operation
Junichi TOMIDA Atsushi FUJIOKA Akira NAGAI Koutarou SUZUKI 
Publication:   
Publication Date: 2021/01/01
Vol. E104-A  No. 1  pp. 58-68
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
identity-based authenticated group key exchangeid-eCK securityasymmetric pairingexternal Diffie-Hellman for target group assumptionq-gap-bilinear collision attack assumptionHMQV constructionNAXOS technique
 Summary | Full Text:PDF(1.2MB)

Efficient Inner Product Functional Encryption with Full-Hiding Security
Junichi TOMIDA Masayuki ABE Tatsuaki OKAMOTO 
Publication:   
Publication Date: 2020/01/01
Vol. E103-A  No. 1  pp. 33-40
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
functional encryptioninner productfunction privacypairing
 Summary | Full Text:PDF(929.4KB)