We propose a new bilateral generalization inhomogeneous short integer solution (Bi-GISIS)-based key exchange protocol with reusable key feature for post-quantum IoT security. It is aimed to reduce the time consumption in the key generation of key exchange protocols to be used in IoT devices. To obtain reusable key, we define modified bilateral pasteurization in the random oracle model. By ensuring reusable keys, the same key becomes available in several executions of the proposed protocol. This feature allows efficient usage of reusable keys in resource-constrained IoT architectures. The proposed scheme is suitable for quantum secure key exchange in D2D-aided fog computing environment. A key exchange protocol with improved key management process is constructed for D2D.

我们提出了一种新的基于双边通用化非均质短整数解决方案（Bi-GISIS）的密钥交换协议，该协议具有可重用的密钥功能，以实现量子后的物联网安全。目的是减少在物联网设备中使用的密钥交换协议的密钥生成中的时间消耗。为了获得可重用的密钥，我们在随机预言模型中定义了改进的双边巴氏灭菌法。通过确保可重用的密钥，可以在提议的协议的多次执行中使用相同的密钥。此功能允许在资源受限的IoT架构中有效使用可重用密钥。该方案适用于D2D辅助雾计算环境中的量子安全密钥交换。为D2D构建了具有改进的密钥管理过程的密钥交换协议。