This paper has proposed a threshold signature scheme, which is a combination of digital signature scheme and secret sharing scheme over finite abelian group, based on Rabin cryptosystem. Also the efficiency and security of the scheme are discussed.

• 本文结合数字签名方案与有限阿贝尔群上的秘密分享方案,提出了一种基于Rabin密码体制的门限签名方案并对该方案的有效性和安全性进行了分析。