Data security transmission method based on ant colony optimization and proxy re-encryption

The invention discloses a data security transmission method based on ant colony optimization and proxy re-encryption. The method is divided into a data path selection stage and a data encryption transmission stage. Firstly, a pheromone concentration factor calculation method based on an ant colony algorithm before data transmission is improved, and the optimal path is selected to reach a destination node, so that the purposes of searching a safe and efficient route and playing an important role in prolonging the service life of a network are achieved. While node energy consumption and signal strength are considered, a node trust model is introduced emphatically. Secondly, in order to ensure safe sharing of data in data transmission, a shamir threshold-based proxy re-encryption algorithm suitable for a wireless sensor network is provided, sensor data is encrypted symmetrically, and a proxy re-encryption object is a symmetric key to ensure the security and privacy of sensitive data. 本发明公开了一种基于蚁群优化和代理重加密的数据安全传输方