Ryuichi Sakai

Publication Activity (10 Years)

Years Active: 2002-2024
Publications (10 Years): 3

Top Topics

Utility Function

Influence Diagrams

Decision Processes

Top Venues

IEICE Trans. Fundam. Electron. Commun. Comput. Sci.

Publications

Minami Sato, Sosuke Minamoto, Ryuichi Sakai, Yasuyuki Murakami
High-Density Knapsack Cryptosystem Using Shifted-Odd and Super-Increasing Sequence. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 107 (3) (2024)
Ryuichi Sakai, Yasuyuki Murakami
Equivalent Secret Key Attack against Knapsack PKC based on Subset Sum Decision Problem. ISITA (2018)
Yasuyuki Murakami, Ryuichi Sakai
Security of Knapsack Cryptosystem Using Subset-Sum Decision Problem against Alternative-Solution Attack. ISITA (2018)
Ryuichi Sakai, Masao Kasahara
New method for factoring two RSA moduli with implicit hint. ISITA (2014)
Ryuichi Sakai, Yasuyuki Murakami, Masao Kasahara
Security analysis of shifted odd knapsack public key encryption scheme. ISITA (2012)
Tomohiro Shintani, Ryuichi Sakai
Cryptanalysis on 2 Dimensional Subset-sum Public Key Cryptosystem. ICIS (2009)
Jun Furukawa, Nuttapong Attrapadung, Ryuichi Sakai, Goichiro Hanaoka
A Fuzzy ID-Based Encryption Efficient When Error Rate Is Low. INDOCRYPT (2008)
Ryuichi Sakai, Jun Furukawa
Identity-Based Broadcast Encryption. IACR Cryptol. ePrint Arch. 2007 (2007)
Hiroyuki Okazaki, Ryuichi Sakai, Masao Kasahara
Meta Ring Signature. IACR Cryptol. ePrint Arch. 2005 (2005)
Masao Kasahara, Ryuichi Sakai
A Construction of Public-Key Cryptosystem Based on Singular Simultaneous Equations. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2005)
Masao Kasahara, Ryuichi Sakai
A Construction of Public Key Cryptosystem for Realizing Ciphertext of Size 100 Bit and Digital Signature Scheme. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2004)
Masao Kasahara, Ryuichi Sakai
A Construction of 100 bit Public-Key Cryptosystem and Digital Signature Scheme. IACR Cryptol. ePrint Arch. 2003 (2003)
Ryuichi Sakai, Masao Kasahara
ID based Cryptosystems with Pairing on Elliptic Curve. IACR Cryptol. ePrint Arch. 2003 (2003)
Shigeo Mitsunari, Ryuichi Sakai, Masao Kasahara
A New Traitor Tracing. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2) (2002)