Seiko ARITA

A Constant-Round Resettably-Sound Resettable Zero-Knowledge Argument in the BPK Model
Seiko ARITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/08/01
Vol. E95-A  No. 8  pp. 1390-1401
Type of Manuscript: PAPER
Category: Cryptography and Information Security
Keyword: 
resettable zero-knowledge,  resettable soundness,  conditional commitment,  resettably extractable, 
  Summary |  Full Text:PDF (246.1KB)
Identification Schemes from Key Encapsulation Mechanisms
Hiroaki ANADA  Seiko ARITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2012/07/01
Vol. E95-A  No. 7  pp. 1136-1155
Type of Manuscript: PAPER
Category: Cryptography and Information Security
Keyword: 
identification scheme,  key encapsulation mechanism,  one-way-CCA2 security,  concurrent man-in-the-middle attack,  the computational Diffie-Hellman assumption, 
  Summary |  Full Text:PDF (412.2KB)
An Efficient Adaptive-Deniable-Concurrent Non-malleable Commitment Scheme
Seiko ARITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/01/01
Vol. E94-A  No. 1  pp. 367-382
Type of Manuscript: PAPER
Category: Cryptography and Information Security
Keyword: 
commitment schemes,  adaptivity,  deniability,  concurrency,  non-malleability, 
  Summary |  Full Text:PDF (2.5MB)
An Identification Scheme with Tight Reduction
Seiko ARITA  Natsumi KAWASHIMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/09/01
Vol. E90-A  No. 9  pp. 1949-1955
Type of Manuscript: PAPER
Category: Information Security
Keyword: 
identification scheme,  rewinding,  KEA1 assumption,  tight reduction, 
  Summary |  Full Text:PDF (179.9KB)
A Straight-Line Extractable Non-malleable Commitment Scheme
Seiko ARITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/07/01
Vol. E90-A  No. 7  pp. 1384-1394
Type of Manuscript: PAPER
Category: Information Security
Keyword: 
commitment scheme,  non-malleability,  the KEA1 assumption,  extractability, 
  Summary |  Full Text:PDF (197.9KB)