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发明申请
US20050015600A1 Electronic document authenticity assurance method and electronic document disclosure system 失效
电子文件真实性保证方法和电子文件披露制度

Electronic document authenticity assurance method and electronic document disclosure system
摘要：
An electronic document authenticity assurance technique and an information disclosure system both of which can compatibly realize the assurance of the authenticity of disclosure documents and the deletion of information inappropriate for disclosure. An electronic document is divided into constituent elements and an electronic signature is affixed to an arbitrary subset of a set including all the constituent elements. Otherwise, an electronic signature is affixed to data obtained by binding each of the constituent elements to information specifying the relationship between a respective one of the constituent elements and the structure of the electronic document. Otherwise, the hash values of the respective constituent elements are calculated and an electronic signature is affixed to data obtained by binding the calculated hash values together. Otherwise, random numbers generated for the respective constituent elements are bound together, then the hash values of the respective random-numbered constituent elements are calculated, and then an electronic signature is affixed to data obtained by binding the calculated hash values together.
摘要（中）：

一种电子文件真实性保证技术和信息披露制度，可以兼容地实现披露文件的真实性的保证和删除不适合披露的信息。 电子文档被分成组成元件，并且电子签名被附加到包括所有组成元素的集合的任意子集中。 否则，电子签名附加到通过将每个组成元件绑定到指定组成元件中的相应一个和电子文档的结构之间的关系的信息而获得的数据。 否则，计算各组成要素的哈希值，并将电子签名附加到通过将所计算的散列值结合在一起而获得的数据。 否则，为各构成要素生成的随机数被绑定在一起，然后计算各随机编号的构成要素的哈希值，然后将电子签名附加到通过将计算出的哈希值结合在一起而获得的数据。

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