混沌としたシステムと非線形変換に基づく安全で効率的な画像暗号化スキーム
Wassim Alexan1, Noura H El Shabasy2, Noha Ehab3
1Communications Department, Faculty of Information Engineering and Technology, German University in Cairo (GUC), New Cairo, Egypt. wassim.alexan@ieee.org.
Scientific reports
|August 25, 2025
まとめ
この研究は5Dハイパーカオティックシステム,アーノルドのキャットマップ,ラングトンのアントを使用した新しいマルチ画像暗号化方法を紹介しています. この技術はデジタル画像の暗号化に より高い安全性と効率性をもたらし,従来の方法よりも優れています.
科学分野:
- コンピュータ科学
- 暗号化
- 情報セキュリティ
背景:
- デジタル画像の暗号化は,データとIoTの採用が増加しているため,非常に重要です.
- AESやDESのような伝統的な方法は,冗長性やリアルタイムのニーズのために画像データには不十分です.
研究 の 目的:
- 新しい安全で効率的なマルチ画像暗号化スキームを提案します
- デジタル画像の伝統的な暗号化の限界を解決するために
主な方法:
- キー生成のための5Dハイパーカオティックシステムの統合
- 変換のためのアーノルドのキャットマップとピクセルスクランブル (拡散) のためのラングトンのアントを使用します.
- バイトの置換のための新設計のSボックスです.
主要な成果:
- 大きなキースペースと低いピクセル相関を達成しました.
- 証明された高速暗号化速度 (512x512の画像で0.1602秒).
- 安全性分析 (ヒストグラム,相関性,エントロピー,NPCR,UACI,NIST試験) により強度が確認されました.
結論:
- 提案されたハイブリッド暗号化方法は,高いセキュリティと効率を提供します.
- リアルタイムのアプリケーションに適しており,様々な攻撃に抵抗します.
- 既存の混沌とハイブリッドの 暗号化技術を上回る
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