A group digital signature scheme based on the disperse logarithm of the elliptic curve over the finite fields GF(2 n) is proposed in this paper. The security of the scheme is established on the elliptic curve cryptosystem over the finite field GF(2 n) .

• 将组数字签名与椭圆曲线密码体制相结合 ；提出了一个基于有限域GF(2 n)上椭圆曲线的组数字签名方案 ；其安全性建立在有限域GF(2 n)上椭圆曲线密码体制之上 .