IAESR:基于iShadow圆函数的物联网导向的认证加密.
Yanshuo Zhang1, Liqiu Li1, Hengyu Bao1
1Beijing Electronic Science and Technology Institute, Beijing, China.
PeerJ. Computer science
|June 26, 2025
概括
本研究介绍了IAESR,这是物联网设备的轻量级认证加密方案,平衡安全性和效率. IAESR增强了Shadow算法,并使用双重海绵结构来减少资源消耗和强大的安全保证.
科学领域:
- 密码学 密码学 密码学 密码学
- 计算机工程 计算机工程
- 信息安全 信息安全
背景情况:
- 物联网 (IoT) 设备和嵌入式系统日益普及,推动了对安全性和资源效率的需求.
- 传统的身份验证加密 (AE) 算法通常对轻量级设备来说过于复杂和资源密集.
- 轻量级设备需要简单,高效的加密算法,尽量减少处理能力,存储和能源消耗,同时保持安全.
研究的目的:
- 为物联网等资源有限的环境量身定制的理论轻量级AE方案提出建议.
- 将现有的Shadow轻量级区块密码改进为一个改进的版本 (iShadow).
- 将iShadow与双重海绵结构集成,创建基于iShadow圆函数 (IAESR) 的面向物联网的认证加密.
主要方法:
- 增强影子算法,以创建改进的影子 (iShadow) 算法.
- 将iShadow与双重海绵结构相结合,以开发IAESR方案.
- 利用可证明安全界限的海绵容量 (IND-CPA,IND-CCA) 和双重模式来实现单通处理和内存效率.
主要成果:
- IAESR实现了可证明的安全边界,可以抵御通用攻击,对抗优势仅限于O{q^2/2^c).
- 双重模式通过重复使用 permutation 状态来减少内存开销.
- iShadow的ARX操作导致低能耗 (0.4-0.5μJ/byte在32b微控制器上),性能比AES-GCM高出20-30%.
结论:
- 该IAESR计划有效平衡轻量物联网设备的安全性和效率.
- 通过其海绵结构,IAESR为IND-CCA提供了安全的机密性和完整性 (INT-PTXT).
- 拟议的方案非常适合资源有限的场景,确保物联网应用程序的安全通信.
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