A elliptic curve digital signature and authentication algorithm of independent knowledge property right is designed and implemented on computer in this theme . data integrality and user authenticity is ensured 本课题中设计了一种拥有自主知识产权的椭圆曲线数字签名和验证算法,并在微机上进行了实现,确保了数据的完整性和用户身份真实性。