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中文摘要：
在多方参与的应用环境中,可截取签名方案解决了信息在多次传递中需要多次签名和多次验证的问题。根据短签名的思想,提出了基于短签名的可截取签名方案,缩短了每个消息段的签名长度。在最坏情况下,截取签名长度为n×170 B,与传统的基于RSA的可截取签名方案相比,即使是最坏的情况,签名长度依旧最短。在随机预言模型下,证明了该方案在适应性选择消息攻击下抵抗存在性伪造,并且通过具体应用说明了所提方案的实用性。
英文摘要：
In the application of multi participation, the content extraction signature scheme can solve the information multiple signature and multiple authentication problems in the multiple transmission. According to the ideas of the short signature, a content extraction signature scheme was proposed here based on short signature, in which the length of each sub-message signature is shortened. Even in the worst cases, the length of a signature is n×170 B, and compared with the content extraction signatures based on RSA signature, it was much shorter. It was showed that the proposed signature scheme can defend existential forgery on adaptively chosen message attacks in the random oracle model, and a practical application showed the practicability of the proposed scheme.
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