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Dive into the research topics where Tsutomu Matsumoto is active.

Publication


Featured researches published by Tsutomu Matsumoto.


Archive | 2004

Electronic document authenticity assurance method and electronic document disclosure system

Kunihiko Miyazaki; Mitsuru Iwamura; Tsutomu Matsumoto; Ryoichi Sasaki; Hiroshi Yoshiura; Hirokazu Aoshima; Hideo Noyama; Seiichi Susaki; Takeshi Matsuki


Archive | 2002

Time stamp generating system

Kunihiko Miyazaki; Seiichi Susaki; Kazuo Takaragi; Hiroshi Yoshiura; Takeshi Matsuki; Hisashi Toyoshima; Mitsuru Iwamura; Tsutomu Matsumoto; Ryoichi Sasaki


Archive | 2000

Digital signing method

Kunihiko Miyazaki; Ryoichi Sasaki; Kazuo Takaragi; Seiichi Susaki; Toshiyuki Moritsu; Mizuhiro Sakai; Mitsuru Iwamura; Tsutomu Matsumoto


Archive | 2001

Digital signature generating method and digital signature verifying method

Kunihiko Miyazaki; Ryoichi Sasaki; Kazuo Takaragi; Seiichi Susaki; Hisanori Mishima; Takeshi Matsuki; Kunihito Takeuchi; Mitsuru Iwamura; Tsutomu Matsumoto


Archive | 2000

METHOD AND DEVICE FOR DIGITAL SIGNATURE

Mitsuru Iwamura; Tsutomu Matsumoto; Kunihiko Miyazaki; Toshiyuki Moritsu; Mizuhiro Sakai; Ryoichi Sasaki; Seiichi Suzaki; Kazuo Takaragi; 良一 佐々木; 和夫 宝木; 邦彦 宮崎; 充 岩村; 勉 松本; 俊之 森津; 誠一 洲崎; 瑞洋 酒井


Archive | 2000

METHOD FOR ASSURING INFORMATION, AND SYSTEM THEREFOR

Mitsuru Iwamura; Takeshi Matsuki; Tsutomu Matsumoto; Kunihiko Miyazaki; Ryoichi Sasaki; Seiichi Suzaki; Kazuo Takaragi; Kunihito Takeuchi; 良一 佐々木; 和夫 宝木; 邦彦 宮崎; 充 岩村; 武 松木; 勉 松本; 誠一 洲崎; 国人 竹内


Archive | 2000

Method for generating digital signature, and method for verifying digital signature

Mitsuru Iwamura; Takeshi Matsuki; Tsutomu Matsumoto; Hisanori Mishima; Kunihiko Miyazaki; Ryoichi Sasaki; Seiichi Suzaki; Kazuo Takaragi; Kunihito Takeuchi; 久典 三島; 良一 佐々木; 和夫 宝木; 邦彦 宮崎; 充 岩村; 武 松木; 勉 松本; 誠一 洲崎; 国人 竹内


IPSJ SIG Notes | 2002

A Method for Evaluating Reliability of Digital Signature Schemes with Linking Structure

Kunihiko Miyazaki; Hiroshi Yoshiura; Mitsuru Iwamura; Tsutomu Matsumoto; Ryoichi Sasaki


Archive | 2007

Electronic data authenticity assurance method, electronic data disclosure method, and electronic data disclosure system

Hirokazu Aoshima; Mitsuru Iwamura; Takeshi Matsuki; Tsutomu Matsumoto; Kunihiko Miyazaki; Hideo Noyama; Ryoichi Sasaki; Seiichi Suzaki; Yutaka Yoshiura; 良一 佐々木; 裕 吉浦; 邦彦 宮崎; 充 岩村; 武 松木; 勉 松本; 誠一 洲崎; 英郎 野山; 弘和 青島


Archive | 2004

Verfahren zur Beglaubigungsversicherung eines elektronischen Dokuments und System zur Offenbarung von elektronischen Dokumenten

Mitsuru Iwamura; Tsutomu Matsumoto; Ryoichi Sasaki; Hiroshi Yoshiura

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