在介绍Montgomery型椭圆曲线密码体制的基础上,结合Montgomery型椭圆曲线标量乘的快速性和基于证书的ECDH椭圆曲线密钥交换协议的双向性等特性,提出了一种基于Montgomery型椭圆曲线密码体制的遥感图像加解密方法。实验仿真分析表明,该算法提高了对于海量遥感数据的加解密速度,增强了明文嵌入编码的安全性,实现了通信双方的双向认证,可为海量遥感数据的加解密提供有效的算法支持。
A encryption approach of Montgomery-Form ECC for remote sensing images is proposed,combining with faster computing speed of scalar multiplication on Montgomery-Form ECC compared with Weierstrass-Form ECC,mutual authentication of ECDH key exchange system based on certification authority respectively.The simulation analysis shows that the approach improves computing speed for mass data of remote sensing images;strengthens security of plaintext embedding;achieves mutual authentication between sender and recipient,and works for encryption and decryption for mass data of remote sensing more efficiently.