A scheme of secure message interchange based on Elliptic Curves Cryptosystem (ECC) is proposed in this paper.The digital signature and symmetric key exchange in the scheme both are established on ECC.

• 提出一种基于ECC的消息安全交换方案，实现建立在ECC之上的消息安全交换的数字签名和加密消息的会话密钥交换。