Keyword : multivariate polynomial


Security Enhancement of Various MPKCs by 2-Layer Nonlinear Piece in Hand Method
Shigeo TSUJII Kohtaro TADAKI Ryou FUJITA Masahito GOTAISHI Toshinobu KANEKO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/10/01
Vol. E92-A  No. 10 ; pp. 2438-2446
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
public key cryptosystemmultivariate public key cryptosystemPiece in Handmultivariate polynomial
 Summary | Full Text:PDF(399.2KB)

Proposal for Piece in Hand Matrix: General Concept for Enhancing Security of Multivariate Public Key Cryptosystems
Shigeo TSUJII Kohtaro TADAKI Ryou FUJITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/05/01
Vol. E90-A  No. 5 ; pp. 992-999
Type of Manuscript:  Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
public key cryptosystemmultivariate polynomialmultivariate public key cryptosystempiece in hand conceptsoldiers in hand
 Summary | Full Text:PDF(242.5KB)

A Construction of Public Key Cryptosystem for Realizing Ciphertext of Size 100 Bit and Digital Signature Scheme
Masao KASAHARA Ryuichi SAKAI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/01/01
Vol. E87-A  No. 1 ; pp. 102-109
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Asymmetric Cipher
Keyword: 
public key cryptosystemsimultaneous equationsmultivariate polynomialdigital signature
 Summary | Full Text:PDF(298.1KB)