Tsutomu Matsumoto | Researchain

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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