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    • 6. 发明授权
    • Electronic document authenticity assurance method and electronic document disclosure system
    • 电子文件真实性保证方法和电子文件披露制度
    • US07526645B2
    • 2009-04-28
    • US10787262
    • 2004-02-27
    • Kunihiko MiyazakiMitsuru IwamuraTsutomu MatsumotoRyoichi SasakiHiroshi YoshiuraHirokazu AoshimaHideo NoyamaSeiichi SusakiTakeshi Matsuki
    • Kunihiko MiyazakiMitsuru IwamuraTsutomu MatsumotoRyoichi SasakiHiroshi YoshiuraHirokazu AoshimaHideo NoyamaSeiichi SusakiTakeshi Matsuki
    • H04L9/00
    • G06F21/64
    • 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.
    • 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。
    • 10. 发明授权
    • System and method of searching for electronic data
    • 搜索电子数据的系统和方法
    • US06879978B2
    • 2005-04-12
    • US09975160
    • 2001-10-12
    • Hiroshi YoshiuraHirokazu AoshimaEiichi KamadaAtsushi Kikuta
    • Hiroshi YoshiuraHirokazu AoshimaEiichi KamadaAtsushi Kikuta
    • G06F17/30
    • G06F17/30864Y10S707/99933Y10S707/99934
    • A search service provided by an electronic data search system including a search center and at least one authorization center. The search center receives a search request from an information browsing apparatus and in response searches for URLs that are associated with a search condition included in the search request in a search database that registers URLs of Web pages, associating those URLs with respective search conditions. The search center presents the information browsing apparatus with link information to the detected URLs. When the search request also includes a condition that authorization by the authorization center be given, then URLs that are registered in the search database associated with the search condition, and registered in the authorization center are searched. Link information of detected URLs is presented to the information browsing apparatus and the authorization center registers URLs of Web pages opened by information disclosing persons who have been given authorization.
    • 由包括搜索中心和至少一个授权中心的电子数据搜索系统提供的搜索服务。 搜索中心从信息浏览装置接收搜索请求,并响应搜索与检索数据库中包含的搜索条件相关联的URL,该搜索数据库注册网页的URL,将这些URL与各自的搜索条件相关联。 搜索中心向检测到的URL呈现具有链接信息的信息浏览设备。 当搜索请求还包括给予授权中心的授权的条件时,搜索登记在与搜索条件相关联并登记在授权中心的搜索数据库中的URL。 检测到的URL的链接信息被呈现给信息浏览装置,并且授权中心注册通过信息披露被授权的人所打开的网页的URL。