Abstract: With the development of Internet, group signature technique has got the extensive application, especially in the electronic commerce. The paper fi r st introduces the digital signature technique, the scheme of the public encryp t key and the method of the group digital signature. Then an improved mode of m ult i-signature in ref.[1] is given. Finally it designs a safe communication by the group signature with one by one.

摘要： 随着Internet的发展，特别在电子商务领域，群体数字签名技术得到了广泛应用 。该文介绍了数字签名技术、公开密钥加密体制以及群体式数字签名方法，并对文献[1]中 多人签名的方案进行了改进，设计了群体签名一对一安全通信实现方案。

关键词: 数字签名, 加密体制, 群体签名

CLC Number: 

• TP393.08