In today's society, information leakage events continue to occur, and various innovative and high-complexity network attacks emerge in endlessly. In order to ensure the integrity of data information and the practicability and authenticity in the transmission process, cryptosystems are usually adopted to ensure the security of information. In this paper, an asymmetric short integer parallel optimization algorithm is proposed, which combines a double Logistic chaotic system with a hash algorithm, and applies extensible precision chaos to reduce the rounding error of the chaotic mapping system by setting the number of iterations of the chaotic system and the accuracy of sequence calculation, which is to prevent the degradation of excellent chaotic characteristics and increase the mapping space. It improves the complexity of the chaotic system, thereby enhancing the security of the algorithm. Through the analysis of comparative experiments, it is proved that the algorithm in this paper has the smallest impact on computing power compared with several commonly used algorithms in different topologies, and further improves the network transmission effect. The invention can reduce the influence caused by the encrypted transmission of the network communication distribution service data. It can also maintain the bearing capacity of the link and improve the resource utilization rate.