基于混乱的并行多图像加密和FPGA实现的新型结构
Thang Manh Hoang1, Pham Quang Anh2, Manh-Hai Hoang3
1School of Electrical and Electronic Engineering, Hanoi University of Science and Technology, 1 Dai Co Viet, 11600, Hanoi, Vietnam. thang.hoangmanh@hust.edu.vn.
Scientific reports
|December 14, 2025
概括
本研究介绍了基于混乱的多个图像加密方法,可以克服现有算法的局限性. 新的加密系统有效地单独加密和解密不同大小和位深的图像,提高安全性和性能.
科学领域:
- 密码学 密码学 密码学 密码学
- 图像处理 图像处理
- 计算机科学 计算机科学
背景情况:
- 大规模的图像数据生成需要高效和保密的加密方法.
- 基于混乱的图像加密提供了有效的数据相关性减少和保密性.
- 现有的多个图像加密算法通常需要相同大小的图像和同时解密,导致效率低下.
研究的目的:
- 提出新的基于混乱的多个图像加密结构,以解决当前算法的局限性.
- 为了使不同大小和位深度的图像队伍能够进行加密和解密.
- 允许从一个队列中单独解密选定的加密文本图像,提高效率.
主要方法:
- 开发了三种基于混乱的多图像加密的新结构,以不同顺序集成 permutation,substitution 和扩散过程.
- 采用扰乱混乱地图和线性反转移寄存器来生成依赖图像内容的会话密钥.
- 利用会话密钥通过图像内容依赖来增强安全性.
主要成果:
- 拟议的加密系统成功地处理不同大小和位表示的图像队列.
- 单个加密文本图像可以单独解密,节省时间和精力.
- 统计分析 (NIST随机性测试,,直方图,相关性) 和安全分析 (密钥空间,灵敏度) 证实了有效性.
- 在FPGA上硬件实现显示了高吞吐量和效率.
结论:
- 拟议的基于混乱的多个图像加密结构比现有方法在灵活性,安全性和效率方面提供了显著的改善.
- 这些新的方法适用于需要高速和保密处理各种图像数据的实际应用.
- 这些发现为各种领域更强大,更适应的图像加密解决方案铺平了道路.
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