Key negotiation method and device, electronic equipment and readable storage medium

The embodiment of the invention discloses a key negotiation method and device, electronic equipment and a readable storage medium, relates to the technical field of information security, and aims to improve the efficiency of information transmission between communication subjects. The method comprises the following steps: determining an initial shared key between two adjacent key negotiation objects in the annular communication link; wherein the annular communication link is composed of a plurality of key negotiation objects; and determining a final shared key of the plurality of key negotiation objects based on the two adjacent key negotiation objects and the initial shared key between the two adjacent key negotiation objects. 本申请的实施例公开了一种密钥协商方法、装置、电子设备及可读存储介质，涉及信息安全技术领域，为便于提高通信主体之间信息传递的效率而发明。所述方法，包括：确定所述环形通信链路中各相邻的两个密钥协商对象之间的初始共享密钥；其中，所述环形通信链路由多个密钥协商对象构成；基于所述各相邻的两个密钥协商对象，以及所述各相邻的两个密钥协商对象之间的初始共享密钥，确定所述多个密钥协商对象的最终共享密钥。