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Masao Kasahara

Waseda University

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Publication

Featured researches published by Masao Kasahara.

international conference on consumer electronics | 2015

Hybrid inter-organization cryptosystem using ElGamal cryptosystem

Yasuyuki Murakami; Masao Kasahara

Conventional cryptosystems are supposed to be used for the personal communication. However, the secure and effective communication system is more and more required for inter-organization cryptosystem. In this paper, we define the framework of the hybrid-type inter-organization cryptosystem and we propose a hybrid-type inter-organization cryptosystem using ElGamal cryptosystem.

Archive | 2001

Cryptosystems based on pairing over elliptic curve

Ryuichi Sakai; K. Ohgishi; Masao Kasahara

Archive | 2001

Secret key generating method, common key generating method, encryption method, cryptographic communication method and cryptographic communication system

Yasuyuki Murakami; Masao Kasahara; Shigeo Tsujii

Archive | 1999

Cryptographic communication method, encryption method, and cryptographic communication system

Masao Kasahara; Yasuyuki Murakami

Archive | 2000

Secret key generation method, encryption method, cryptographic communications method, common key generator, cryptographic communications system, and recording media

Shigeo Tsujii; Masao Kasahara

Archive | 1999

Prime number generation method, prime number generation apparatus, and cryptographic system

Masao Kasahara; Yoshizo Sato; Yasuyuki Murakami

Archive | 1999

Encryption method, decryption method, encryption/decryption method, cryptographic communications system, and computer usable medium

Masao Kasahara; Yasuyuki Murakami

Archive | 2000

Secret key generation method, encryption method, and cryptographic communications method and system

Masao Kasahara; Yasuyuki Murakami; Shigeo Tsujii

Archive | 1999

Encoding method, encoding-decoding apparatus, and code communications system

Masao Kasahara; Shinya Kiuchi; Yasuyuki Murakami

Archive | 2001

Encryption method and cryptographic communication method

Kiyoko Katayanagi; Yasuyuki Murakami; Masao Kasahara

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Collaboration

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Yasuyuki Murakami

Kyoto Institute of Technology

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Ryuichi Sakai

Kyoto Institute of Technology

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Shigeo Tsujii

Chuo University

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Atsushi Koyama

Osaka Electro-Communication University

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Kohtaro Tadaki

Chubu University

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Maki Yoshida

Osaka University

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Masahito Gotaishi

Chuo University

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Ryo Fujita

Chuo University

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Shinsuke Hamasho

Osaka Electro-Communication University

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Daisuke Suzuki

Hitachi

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