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    • 24. 发明申请
    • Method for Privacy-Preserving Order Selection of Encrypted Element
    • 加密元素隐私保护顺序选择方法
    • US20140105385A1
    • 2014-04-17
    • US12965066
    • 2010-12-10
    • Shantanu RaneWei Sun
    • Shantanu RaneWei Sun
    • H04L9/08
    • H04L9/0819H04L9/008H04L2209/46
    • A system and a method select an encrypted element in an encrypted vector according to an order of the encrypted element in the encrypted vector. The selecting is performed in a privacy-preserving manner. Values of the elements of the encrypted vector are scaled, such that the order of the elements in the encrypted vector is preserved, and then permuted to produce a scaled permuted vector. Information in the encrypted domain indicative of an order of elements in the scaled permuted vector is provided to a second processor having a private key. The second processor decrypts the information to determine the index of the encrypted element based on the order of the elements. The encrypted element is obliviously selected based on the index.
    • 系统和方法根据加密向量中加密元素的顺序选择加密向量中的加密元素。 以隐私保护的方式执行选择。 加密矢量的元素的值被缩放,使得保存加密矢量中的元素的顺序,然后被排列以产生缩放的置换向量。 将表示缩放置换向量中的元素的顺序的加密域中的信息提供给具有私钥的第二处理器。 第二处理器根据元素的顺序解密信息以确定加密元素的索引。 基于索引忽略加密元素。
    • 26. 发明授权
    • Method and inquiring device for implementing switching in network fault
    • 实现网络故障切换的方法和查询设备
    • US08699325B2
    • 2014-04-15
    • US13395224
    • 2010-05-24
    • Bo YuanLiang FanWei Sun
    • Bo YuanLiang FanWei Sun
    • H04L12/26H04L12/28H04J3/26G06F11/00
    • H04L41/0663H04L12/185H04L12/1863H04L45/28H04L45/586H04L69/40
    • A method for implementing switching when the network is faulted is disclosed, and the method includes: establishing a quick detection mechanism between non-querier and querier; the non-querier using the detection mechanism for performing a real-time detection on the querier and downlink of the querier; switching the non-querier to be the querier when the non-querier detects that the querier or the downlink of the querier is faulted. A querier is further disclosed. With the method, it can complete a quick switching of the querier and a quick transmission of a multicast flow when the querier or the downlink thereof is faulted, thereby reducing the interrupt time of users receiving the multicast flow, implementing a quick protection of a multicast service, and improving the service experience for the user.
    • 公开了一种在网络故障时实现切换的方法,该方法包括:在非查询器和查询器之间建立快速检测机制; 非查询器使用检测机制对查询器的查询器和下行链路进行实时检测; 当非查询器检测到查询器的查询器或下行链路发生故障时,将非查询器切换为查询器。 进一步公开查询器。 通过该方法,当查询器或其下行链路发生故障时,可以快速切换查询器和快速传输组播流,从而减少接收组播流的用户的中断时间,实现组播的快速保护 服务,并改善用户的服务体验。
    • 30. 发明授权
    • Multi-tenancy data storage and access method and apparatus
    • 多租户数据存储和访问方法及装置
    • US08489550B2
    • 2013-07-16
    • US13467228
    • 2012-05-09
    • Wenhao AnBo GaoChang Jie GuoZhong SuWei SunZhi Hu WangZhen Zhang
    • Wenhao AnBo GaoChang Jie GuoZhong SuWei SunZhi Hu WangZhen Zhang
    • G06F7/00
    • G06F17/30448G06F17/30566
    • A method, apparatus, and a computer program product for storing and accessing multi-tenancy data. The method includes the steps of: creating a plurality of table sets in one or more databases, wherein each table set is used to store data of a group of tenants selected from a plurality of tenants; accessing data of a tenant in a table set in response to receiving a data access request from the tenant; and recording relationships between the tenants and the table sets in a multi-tenancy metadata repository, wherein the step of accessing the data of the tenant comprises the steps of finding the table set by querying the metadata repository and accessing the data of the tenant in the table set based on the result received from the query of the metadata repository.
    • 一种用于存储和访问多租户数据的方法,装置和计算机程序产品。 该方法包括以下步骤:在一个或多个数据库中创建多个表集合,其中每个表集合用于存储从多个租户中选择的一组租户的数据; 响应于从租户接收到数据访问请求,访问表中的租户的数据; 以及在多租户元数据存储库中记录所述租户和所述表集合之间的关系,其中,访问所述承租人的数据的步骤包括以下步骤:通过查询所述元数据存储库并访问所述租户的数据来查找所述表 基于从元数据存储库的查询获得的结果的表集合。