加密盾是用于增强安全性和强大的通信系统的多层加密框架
Muhammad Altaf1, Weam Gaoud Alghabban2, Nazar Mohammad Nazar3
1School of Software Engineering, Dalian University of Technology, Dalian, 116026, Liaoning, China.
Scientific reports
|December 2, 2025
概括
加密盾为使用圆曲线Diffie-Hellman (ECDH) 和AES-GCM的受约束系统提供了身份验证保密. 该框架通过优化圆曲线加密和基于的密钥导出来提高安全性和性能.
科学领域:
- 密码学和网络安全
- 嵌入式系统安全 嵌入式系统安全
- 应用密码学 应用密码学
背景情况:
- 相互连接的,对延迟敏感的系统需要高效的加密解决方案,在受约束的硬件上进行身份验证保密.
- 对于资源有限的环境,现有的加密框架可能无法充分平衡安全性,性能和成本.
- 需要具有可预测性能特征的强大的安全原始程序.
研究的目的:
- 介绍CryptoShield,一个为受约束硬件设计的多层加密框架.
- 为了证明编写圆曲线的Diffie-Hellman (ECDH),AES-GCM和圆曲线数字签名算法 (ECDSA) 的有效性.
- 通过特定的设计选择来评估性能和安全性改进,例如钥匙分离和增强盐分.
主要方法:
- 组合ECDH用于密钥协议,AES-GCM用于身份验证加密与相关数据 (AEAD),以及ECDSA用于原产地认证.
- 实现了PBKDF2-HMAC,用于关键导出和可选的XOR预处理以消除偏差.
- 包含圆曲线优化,如标量乘法改进和结构保存映射.
- 模拟CryptoShield使用KDD杯1999,UNSW-NB15和IoTID20的流量配置文件.
主要成果:
- 实现了低于10毫秒的加密和解密延迟 (例如,IoTID20上的7.9毫秒),吞吐量高达5010次/秒.
- 量化高认证强度,MAC度达到243位,衍生密钥度达到256位.
- 与EGCM,ANAF和ASMD等基准方法相比,证明了更好的身份验证安全性和系统性能.
结论:
- "加密盾"为受约束硬件上的相互连接,延迟敏感系统提供了安全高效的加密解决方案.
- 分区加密原始,基于的密钥导出和曲线级优化显著提高了安全性和性能.
- 该框架满足了在性能关键应用中对高保证度和速度的要求.
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