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超混沌散列:基于具有平行反结构的2D线性交叉合图的混沌散列函数
Hao Xing1, Rudong Min1, Shouliang Li2
1School of Information Science and Engineering, Lanzhou University, Lanzhou, 730000, China.
Scientific reports
|February 14, 2025
概括
本研究引入了一种使用二维线性交叉合超混沌图 (HF-2DLCHM) 的新哈希函数,以提高数据安全性. 新方法提供了提高的计算效率和灵活的哈希值长度,优于传统的混乱哈希函数.
科学领域:
- 密码学 密码学 密码学
- 应用数学 应用数学 应用数学
- 计算机科学 计算机科学
背景情况:
- 由于非线性动态,混沌系统被用于哈希函数中.
- 现有的混乱哈希函数面临着计算开销和固定长度输出方面的挑战.
- 需要更灵活和高效的混乱哈希函数设计.
研究的目的:
- 引入一个新的哈希函数,HF-2DLCHM,解决现有的混乱哈希函数的局限性.
- 为提高安全性和性能,利用2D线性交叉合的超混沌地图.
- 为了实现可变长度的哈希值生成,以提高灵活性.
主要方法:
- 开发了一个基于2D线性交联超混沌图的哈希函数 (HF-2DLCHM).
- 实现了并行反结构以提高计算效率.
- 整合了一个反机制,以加强传播和信息混合.
- 使用输入参数T来控制输出哈希值长度.
主要成果:
- 与1D混乱地图相比,HF-2DLCHM表现出优越的动态复杂性,增强了对相位空间重建攻击的抵抗力.
- 可并行结构显著提高了计算效率.
- 反机制有效地增加了传播,从而导致更好的信息分发.
- 该方案实现了接近理想基准的分布,混,扩散和抗碰撞特性.
- 通过调整参数T,可以从[公式:查看文本]位获得可变哈希长度.
结论:
- 拟议的HF-2DLCHM为数据安全和隐私保护提供了灵活,高效和安全的解决方案.
- 它的性能特性使其成为加密应用的实用选择.
- 这种新的方法克服了传统混乱哈希函数的局限性,为先进的安全系统铺平了道路.
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