Koichiro WADA


A Rational Secret-Sharing Scheme Based on RSA-OAEP
Toshiyuki ISSHIKI Koichiro WADA Keisuke TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/01/01
Vol. E93-A  No. 1  pp. 42-49
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Public Key Cryptography
Keyword: 
secret sharinggame theoryfairnessRSAOAEP
 Summary | Full Text:PDF

Primitive Power Roots of Unity and Its Application to Encryption
Takato HIRANO Koichiro WADA Keisuke TANAKA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/08/01
Vol. E92-A  No. 8  pp. 1836-1844
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: Theory
Keyword: 
Paillier's encryption schemefactoringhomomorphismpower roots of unity
 Summary | Full Text:PDF