Vehicle key remote sharing method and related device

The invention discloses a vehicle key remote sharing method and a related device, and the vehicle key remote sharing method applied to a vehicle borrower client comprises the steps: generating a session key request after receiving a master key sent by a cloud server, the master key being generated when the cloud server receives a sharing request sent by a vehicle owner client, and the session key request being generated when the cloud server receives the sharing request sent by the vehicle owner client; the session key request is used for indicating the vehicle end to generate a session key, when the session key is received, a security sequence is generated according to the session key and the master key, a UWB data frame is generated according to the security sequence, and the UWB data frame is sent to the vehicle end based on a UWB ranging mode. And the vehicle end verifies the UWB data frame according to the master key sent by the cloud server. According to the vehicle key remote sharing method and the rel