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中文摘要：
为解决协同设计环境中现有多重签名方案存在的工作效率较低和资源占有率偏高等问题,提出并实现了一种基于椭圆曲线密码体制的高效多重签名方案。通过引入公钥自证明思想和预计算步骤,将用户身份认证和数字签名验证有机结合在一起,无需繁琐的身份鉴别认证操作,也无需可信数字认证中心,只需要一次操作即可直接完成数字签名的验证工作。分析及实验表明,该方案结构简单,能有效抵抗目前已知的各种攻击,具有较高的工作效率、较低的资源占有率和较强的安全性。
英文摘要：
A new multisignature scheme based on the elliptic curve cryptosystem was developed to solve the lower efficiency and higher resource occupation problems of the existing digitial signature schemes in the digital design environment. The proposed scheme combined the user identity authentication with signature verification through importing the idea of public key self-certified system and precomputation, It could finish the signature verification work in one step without the identity authentication operations, and also without the trusted certification authority server. The analysis and experiment indicated that the proposed scheme could resist the known attacks. It had simple structure, higher efficiency, lower resource occupation and stronger security.
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