概括
这项研究证明了用于硬件安全的光子物理非克隆功能 (PUF). 新的PUF利用制造变化来生成具有非常低错误率的独特密钥.
科学领域:
- 综合光子学 综合光子学
- 硬件安全 硬件安全
- 量子信息科学是一种量子信息科学.
背景情况:
- 光学为硬件安全原始化提供CMOS兼容性和芯片规模集成.
- 物理非克隆函数 (PUF) 使用固有的设备变异来安全生成密钥.
- 光学PUF为电子PUF提供了替代方案,其中光子是关键平台.
研究的目的:
- 通过实验证明一种光子物理非克隆功能 (PUF).
- 为了能够在芯片上激活挑战-响应对生成.
- 评估光子PUF的性能和可靠性.
主要方法:
- 制造具有集成相位变换器的8通道光子波导阵列.
- 实现芯片上挑战生成和响应检测.
- 测试来自同一晶圆的多个设备实例,以评估统一性和可靠性.
主要成果:
- 成功演示了一个独立的光子PUF.
- 在六个测试设备中实现了4.06 × 10-21的非常低的错误验收率 (FAR).
- 验证了活跃的芯片上挑战-响应对生成的可行性.
结论:
- 光子PUF是一种可行的,高度安全的硬件安全原始.
- 展示的设备提供了一个紧的,CMOS兼容的解决方案,用于芯片上的密钥生成.
- 这项工作为在光子平台上安全,独立的PUF实现铺平了道路.
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