Identity authentication method, system and device

The invention discloses an identity authentication method, system and device, and relates to the technical field of Internet of Vehicles, and the identity authentication method comprises the following steps: obtaining first authentication information sent by a terminal; performing identity information authentication on the terminal; and when the authentication is passed, the identity authentication platform sends second authentication information according to the interaction address in the first authentication information, and if the authentication of the second authentication information is passed, connection is established. According to the invention, the identity of the terminal can be authenticated, and the communication security between vehicles, between vehicles and roads, and between vehicles and cloud is improved. 本发明公开了一种身份认证方法、系统与装置，涉及车联网技术领域，一种身份认证方法，包括以下步骤：获取终端发送的第一认证信息；对所述终端进行身份信息认证；当认证通过，则身份认证平台根据所述第一认证信息中的交互地址发送第二认证信息，若第二认证信息认证通过，则建立连接。本发明能够对终端的身份进行认证，提高车与车、车与路、车与云之间的通信安全。