诚信验证的轻量级加密,用于嵌入式SoC之间安全的医疗图像共享.
Siva Janakiraman1, Vinoth Raj R2, R Sivaraman3
1School of Electrical & Electronics Engineering, SASTRA Deemed University, Thanjavur, 613401, India.
Scientific reports
|March 3, 2025
概括
这项研究引入了一种新的轻量级加密方法,用于安全传输医疗图像. 该系统使用洛伦兹吸引键和线性反变速寄存器 (LFSR) 来进行强大的数据保护和完整性验证.
科学领域:
- 计算机科学 计算机科学
- 密码学 密码学 密码学
- 医疗成像医学成像
背景情况:
- 数字通信需要对敏感的医疗图像提供强大的安全性.
- 现有的加密方法可能缺乏效率或对实时应用程序的充分保护.
- 数据隐私在在线医疗数据传输中至关重要.
研究的目的:
- 提出一种轻量级且强大的加密方案,用于在传输过程中保护医疗图像.
- 确保敏感医疗数据的完整性和机密性.
- 开发一个适合实时和无线医疗应用的系统.
主要方法:
- 使用洛伦兹吸引器衍生键进行扩散和16位线性反转移注册表 (LFSR) 进行伪随机混.
- 采用加密区块链 (CBC) 进行增强的加密输出.
- 集成了512位的Whirlpool哈希算法来确保数据完整性,以及为哈希值提供自定义对称密钥加密.
主要成果:
- 在哈希值中获得高灵敏度,哈明距离为46.5-53.3% (理想为50%).
- 加密的DICOM图像显示出高度 (7.99752),低PSNR (5.872 dB),高NPCR (99.66128%) 和UACI (33.55964%) 的数据.
- 在Xilinx PYNQ-Z1 SoC上证明了对噪声攻击的稳定性和验证的有效性,具有自定义GUI.
结论:
- 拟议的方案有效地保护医疗图像,保持完整性和抵御攻击的弹性.
- 轻量级和坚固的性质使其适合实时和无线传输.
- 成功实施和测试证实了其在安全处理医疗数据方面的实际应用.
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