关键词: 改进ELL算法，网络信息安全，点积运算优化，私钥更新变换

Abstract: Network information security suffers many network threats, the existing encryption algorithm has been unable to meet the needs of network and information security problems. I}his paper proposed an improved ECC algorithm based on network information security, and the algorithm is based on the original ECC algorithm and makes its dot product operation optimization and square residual determination, optimization and transformation of the private key update to improve the original operational efficiency and safety performance of the ECC algorithm. The experiments show that the ECC algorithm based on network information security has significant improvements in safety performance than the RSA algorithm as well as the original ECC algorithms, and the program is effective.

Key words: Improved ECC algorithm, Network and information security, Dot product operation optimization, Private key update transform