【摘要】 本文首次将前向安全的概念应用于有代理的多重数字签名体制,提出了有代理的多重签名方案.普通的多重签名和代理多重签名可以看作是有代理的多重签名的特殊形式,因此这种签名体制更加适用.新方案能实现即使所有签名人的密钥被泄露,以前所产生的多重签名依然有效;新方案是基于前向安全签名体制构造的,又引入了预计算,具有安全、高效等优点.对多重签名的生成和验证的速度有所改进.更多还原

【Abstract】 The paper firstly proposes multisignature with proxy signers combining the concept of forward security. The common multisignature and proxy multisignature are specific to the signature,so the signature is more suitable for various applications.In our scheme,the former multisignature is still valid even if all signers’ current secret keys is lost; the scheme is based on forward security which can makes signature more secure,efficient and improves the speed of signature.更多还原