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摘要
This paper analyzes the limitation of conventional digital multi-signature. By utilizing the structure predominance of the NAIL documents and the security of conventional digital signature, we propose a multi-signature scheme of XML documents based on RSA. In our scheme, we use the Xpath to transform an XML document into subdocument, and each participant signer signs the sub-document that they are responsible for. Consequently, improve the efficiency and the flexibility of signs.
