Fuyuki KITAGAWA


Equivalence between Non-Malleability against Replayable CCA and Other RCCA-Security Notions
Junichiro HAYATA Fuyuki KITAGAWA Yusuke SAKAI Goichiro HANAOKA Kanta MATSUURA 
Publication:   
Publication Date: 2021/01/01
Vol. E104-A  No. 1  pp. 89-103
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
public-key encryptionnon-malleabilityreplayable chosen ciphertext security
 Summary | Full Text:PDF(1.5MB)

Verifiable Privacy-Preserving Data Aggregation Protocols
Satoshi YASUDA Yoshihiro KOSEKI Yusuke SAKAI Fuyuki KITAGAWA Yutaka KAWAI Goichiro HANAOKA 
Publication:   
Publication Date: 2020/01/01
Vol. E103-A  No. 1  pp. 183-194
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
homomorphic encryptionverifiable homomorphic encryptionSXDH
 Summary | Full Text:PDF(1.8MB)