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超光信号の不可能によって証明された実験的に生成されたランダム性
Peter Bierhorst1,2, Emanuel Knill3,4, Scott Glancy3
1National Institute of Standards and Technology, Boulder, CO, USA. peter.bierhorst@nist.gov.
Nature
|April 13, 2018
まとめ
研究者は量子非局所性を用いた新しいランダムナンバー生成器を開発しました. この装置は予測不能なランダムビットを生成し,暗号システムのセキュリティを強化し,プライバシーを保護します.
科学分野:
- 量子物理学
- 情報セキュリティ
背景:
- ランダムな数字の生成は セキュリティとプライバシーのために重要です
- ランダムナンバージェネレーターの予測不能性を確保することは大きな課題です.
- 既存の発電機は,不完全な物理モデルに依存しています.
研究 の 目的:
- 認証されたランダムな数字を生成するための新しい方法を提示します.
- 量子的な非局所性を利用して 予測不能性を高める
- ランダムナンバー・ジェネレータを開発し 物理的な原理で制限された 敵に防御する
主な方法:
- フォトニック実験で 抜け穴のないベルテストを行いました
- 1,024個のランダム ビットを抽出しました
- 低ベル不等式違反装置からのランダム性を証明し,定量化するためのプロトコルを開発しました.
主要な成果:
- 高い均一性 (10^-12) を有する認証されたランダムビットを生成します.
- 生成されたビットは,光速信号を禁止する物理理論の下で予測不可能であることを示した.
- ランダムな数字の生成のための抜け穴のないベルテストの実現性を示しました.
結論:
- ギャップのないベル・テストに基づくランダムナンバー・ジェネレーターは,安全性を高めます.
- この技術は暗号システムの信頼性を高めることができます
- 将来のアプリケーションには,安全な通信とデータ保護が含まれます.
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