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Dive into the research topics where Akito Niwa is active.

Publication


Featured researches published by Akito Niwa.


Archive | 1999

Encryption apparatus, cryptographic communication system, key recovery system, and storage medium

Akito Niwa; Shinichi Kawamura; Megumi Aoki; Toshiaki Saisho; Tatsuya Ishihara; Fumihiko Sano; Satomi Hori


Archive | 2008

Cryptographic management apparatus, decryption management apparatus and program

Shingo Miyazaki; Takanori Nakamizo; Akito Niwa; Koji Okada; Kouya Tochikubo; Shigeyuki Fukushima; Chiaki Ishikawa; Noboru Koshizuka; Ken Sakamura


Archive | 2008

Cryptographic module management apparatus, method, and program

Shingo Miyazaki; Takanori Nakamizo; Akito Niwa; Koji Okada; Kouya Tochikubo; Shigeyuki Fukushima; Chiaki Ishikawa; Noboru Koshizuka; Ken Sakamura


Archive | 2008

CRYPTOGRAPHIC MODULE DISTRIBUTION SYSTEM, APPARATUS, AND PROGRAM

Shingo Miyazaki; Takanori Nakamizo; Akito Niwa; Koji Okada; Kouya Tochikubo; Shigeyuki Fukushima; Chiaki Ishikawa; Noboru Koshizuka; Ken Sakamura


Archive | 2008

Cryptographic module selecting device and program

Shingo Miyazaki; Takanori Nakamizo; Akito Niwa; Koji Okada; Kouya Tochikubo; Shigeyuki Fukushima; Chiaki Ishikawa; Noboru Koshizuka; Ken Sakamura


Archive | 2007

Apparatus and program for selecting encryption module

Shigeyuki Fukushima; Chiaki Ishikawa; Noboru Koshizuka; Shingo Miyazaki; Takanori Nakamizo; Akito Niwa; Koji Okada; Takeshi Sakamura; Takaya Tochikubo; 孝則 中溝; 朗人 丹羽; 健 坂村; 真悟 宮崎; 光司 岡田; 孝也 栃窪; 千秋 石川; 茂之 福島; 登 越塚


Archive | 2009

Information life cycle management system, information management server apparatus, information medium control apparatus and program

Shingo Miyazaki; 宮崎 真悟; Akito Niwa; 朗人 丹羽; Tomoaki Morijiri; 森尻 智昭; Kazuya Hashimoto; 和也 橋本; Minako Ogawa; 美奈子 小川


Archive | 2007

APPARATUS, METHOD AND PROGRAM FOR ENCRYPTION MANAGEMENT

Shigeyuki Fukushima; Chiaki Ishikawa; Noboru Koshizuka; Shingo Miyazaki; Takanori Nakamizo; Akito Niwa; Koji Okada; Takeshi Sakamura; Takaya Tochikubo; 孝則 中溝; 朗人 丹羽; 健 坂村; 真悟 宮崎; 光司 岡田; 孝也 栃窪; 千秋 石川; 茂之 福島; 登 越塚


Archive | 2001

DEVICE, METHOD AND PROGRAM FOR PRIME NUMBER GENERATION

Masanobu Koike; Akito Niwa; Fumihiko Sano; 朗人 丹羽; 文彦 佐野; 正修 小池


Archive | 2008

CRYPTOGRAPHIC DEVICE, TERMINAL DEVICE, CRYPTOGRAPHIC PROGRAM AND METHOD AND PROGRAM AND METHOD FOR PROCESSING INFORMATION

Masaharu Akei; Michiyo Ikegami; Takeshi Iriuchijima; Takehisa Kato; Akito Niwa; 朗人 丹羽; 健 入内島; 岳久 加藤; 正治 明井; 美千代 池上

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