Efficient Implementation of Schoof's Algorithm. - Tetsuya Izu; Jun Kogure; Masayuki Noro; Kazuhiro Yokoyama (ASIACRYPT, 1998)

Parameters for Secure Elliptic Curve Cryptosystem - Improvements on Schoof's Algorithm. - Tetsuya Izu; Jun Kogure; Masayuki Noro; Kazuhiro Yokoyama (Public Key Cryptography, 1998)

Efficient Implementation of Schoof's Algorithm in Case of Characteristic 2. - Tetsuya Izu; Jun Kogure; Kazuhiro Yokoyama (Public Key Cryptography, 2000)

CAIRN 2: An FPGA Implementation of the Sieving Step in the Number Field Sieve Method. - Tetsuya Izu; Jun Kogure; Takeshi Shimoyama (CHES, 2007)

Low-density attack revisited. - Tetsuya Izu; Jun Kogure; Takeshi Koshiba; Takeshi Shimoyama (Des. Codes Cryptogr., 2007)

CAIRN: Dedicated Integer Factoring Devices. - Tetsuya Izu; Jun Kogure; Takeshi Shimoyama (NBiS, 2010)

Generalized Security Analysis of the Random Key Bits Leakage Attack. - Jun Kogure; Noboru Kunihiro; Hirosuke Yamamoto (WISA, 2011)

Analysis of Lattice Reduction Attack against the Somewhat Homomorphic Encryption Based on Ideal Lattices. - Masaya Yasuda; Jun Yajima; Takeshi Shimoyama; Jun Kogure (EuroPKI, 2012)

On the Strength Comparison of the ECDLP and the IFP. - Masaya Yasuda; Takeshi Shimoyama; Jun Kogure; Tetsuya Izu (SCN, 2012)

On the Hardness of Subset Sum Problem from Different Intervals. - Jun Kogure; Noboru Kunihiro; Hirosuke Yamamoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2012)

Packed Homomorphic Encryption Based on Ideal Lattices and Its Application to Biometrics. - Masaya Yasuda; Takeshi Shimoyama; Jun Kogure; Kazuhiro Yokoyama; Takeshi Koshiba (CD-ARES Workshops, 2013)

Secure pattern matching using somewhat homomorphic encryption. - Masaya Yasuda; Takeshi Shimoyama; Jun Kogure; Kazuhiro Yokoyama; Takeshi Koshiba (CCSW, 2013)

Practical Packing Method in Somewhat Homomorphic Encryption. - Masaya Yasuda; Takeshi Shimoyama; Jun Kogure; Kazuhiro Yokoyama; Takeshi Koshiba (DPM/SETOP, 2013)

Privacy-Preserving Wildcards Pattern Matching Using Symmetric Somewhat Homomorphic Encryption. - Masaya Yasuda; Takeshi Shimoyama; Jun Kogure; Kazuhiro Yokoyama; Takeshi Koshiba (ACISP, 2014)

On the exact decryption range for Gentry-Halevi's implementation of fully homomorphic encryption. - Masaya Yasuda; Kazuhiro Yokoyama; Takeshi Shimoyama; Jun Kogure; Takeshi Koshiba (J. Math. Cryptol., 2014)

Secure Statistical Analysis Using RLWE-Based Homomorphic Encryption. - Masaya Yasuda; Takeshi Shimoyama; Jun Kogure; Kazuhiro Yokoyama; Takeshi Koshiba (ACISP, 2015)

Secure Data Devolution: Practical Re-encryption with Auxiliary Data in LWE-based Somewhat Homomorphic Encryption. - Masaya Yasuda; Takeshi Koshiba; Takeshi Shimoyama; Jun Kogure; Kazuhiro Yokoyama (SCC@ASIACCS, 2015)

New packing method in somewhat homomorphic encryption and its applications. - Masaya Yasuda; Takeshi Shimoyama; Jun Kogure; Kazuhiro Yokoyama; Takeshi Koshiba (Secur. Commun. Networks, 2015)

Computational hardness of IFP and ECDLP. - Masaya Yasuda; Takeshi Shimoyama; Jun Kogure; Tetsuya Izu (Appl. Algebra Eng. Commun. Comput., 2016)

Analysis of decreasing squared-sum of Gram-Schmidt lengths for short lattice vectors. - Masaya Yasuda; Kazuhiro Yokoyama; Takeshi Shimoyama; Jun Kogure; Takeshi Koshiba (J. Math. Cryptol., 2017)

Complexity bounds on Semaev's naive index calculus method for ECDLP. - Kazuhiro Yokoyama; Masaya Yasuda; Yasushi Takahashi; Jun Kogure (J. Math. Cryptol., 2020)