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    • 3. 发明申请
    • DATABASE OUTSOURCING WITH ACCESS PRIVACY
    • 数据库外包与访问隐私
    • WO2010090633A3
    • 2010-10-14
    • PCT/US2009006639
    • 2009-12-18
    • UNIV NEW YORKSHASHA DENNISWILLIAMS PETERSION RADU
    • SHASHA DENNISWILLIAMS PETERSION RADU
    • G06F15/16G06F17/30G06F17/40
    • H04L63/0435G06F11/1004G06F21/54G06F21/602G06F21/606G06F21/6263G06F2221/2101G06F2221/2151
    • This invention introduces a new paradigm for outsourcing the transaction processing backend of a multi-client database application to an untrusted service provider. Specifically, the invention enables untrusted service providers to support transaction serialization, backup and recovery for clients, with full data confidentiality and correctness. Moreover, providers learn nothing about transactions (except their size and timing), thus achieving read and write access pattern privacy. This creates a novel class of secure database outsourcing models. A storage system. The system includes a network includes a server having a server memory, a server processor and a server network interface in communication with the network. The system includes a plurality of clients. Each client has a client memory in which data is stored, a client processing unit and a client network interface in communication with the server through the network. Each of the clients has an encryption portion that enables each of the clients to securely communicate and understand data with all other clients. The server memory is shared by the clients through the network to store copies of encrypted data in the server memory from the clients. The server is unable to decrypt the encrypted data stored in the server memory. The server has a timing mechanism to ensure data that is shared is a desired copy. A client of a storage system. A server of a storage system. A method for storing data. A method of a client of a storage system. A method of a server of a storage system. A storage system includes a network. The system includes a server having a server network interface in communication with the network, a server processing unit and a server memory for storing data. The system includes a first client and at least a second client. Each client having a client processing unit, a client memory, encryption portion and a client network interface in communication with the network. When the first client desires to perform a deterministic transaction T1 to the server memory and desires to perform a non-deterministic transaction T2 having core modifications M2 to the server database, the first client sends from its client network interface to the server an encrypted executable description of T1, as encrypted by the encryption portion of the first client, and an encrypted executable description of M2 as encrypted by the encryption portion of the first client. The server network interface sends information about an ordered sequence of transactions X including both deterministic and non-deterministic transactions to the second client. The client processing unit of the second client executes transactions X in the order they were sent to the server from the first client. A computer readable medium storing a computer program which when executed by at least one client processing unit of a client of a storage system communicates with a server. A computer readable medium storing a computer program which when executed by at least one server processing unit of a server of a storage system communicates with a client.
    • 本发明引入了将多客户端数据库应用的事务处理后端外包给不可信服务提供商的新范例。 具体来说,本发明使得不信任的服务提供商能够以完整的数据机密性和正确性支持客户端的事务序列化,备份和恢复。 此外,提供商对事务(尺寸和时间除外)也没有学习,从而实现读写访问模式隐私。 这创建了一类新颖的安全数据库外包模型。 存储系统。 该系统包括具有服务器存储器的服务器,服务器处理器和与网络通信的服务器网络接口的网络。 该系统包括多个客户端。 每个客户端具有存储数据的客户端存储器,通过网络与服务器通信的客户端处理单元和客户端网络接口。 每个客户端都有一个加密部分,使每个客户端能够与所有其他客户端安全地通信和了解数据。 客户端通过网络共享服务器内存,从客户端将服务器内存中的加密数据副本存储起来。 服务器无法解密存储在服务器内存中的加密数据。 服务器具有定时机制,以确保共享的数据是所需的副本。 存储系统的客户端。 存储系统的服务器。 一种存储数据的方法。 存储系统的客户端的方法。 一种存储系统的服务器的方法。 存储系统包括网络。 该系统包括具有与网络通信的服务器网络接口的服务器,服务器处理单元和用于存储数据的服务器存储器。 该系统包括第一客户端和至少第二客户端。 每个客户端具有与网络通信的客户处理单元,客户端存储器,加密部分和客户端网络接口。 当第一客户端希望对服务器存储器执行确定性事务T1并且希望执行具有到服务器数据库的核心修改M2的非确定性事务T2时,第一客户端从其客户端网络接口向服务器发送加密的可执行描述 由第一客户机的加密部分加密的T1和由第一客户机的加密部分加密的M2的加密可执行描述。 服务器网络接口向第二客户端发送关于包括确定性和非确定性事务的事务X的有序序列的信息。 第二客户端的客户处理单元按照从第一客户端发送到服务器的顺序执行事务X. 存储计算机程序的计算机可读介质,所述计算机程序当由存储系统的客户机的至少一个客户处理单元执行时与服务器通信。 一种存储计算机程序的计算机可读介质,所述计算机程序当由存储系统的服务器的至少一个服务器处理单元执行时与客户端通信。
    • 10. 发明申请
    • ELECTRONIC MUSIC/MEDIA DISTRIBUTION SYSTEM
    • 电子音乐/媒体分发系统
    • WO0039733B1
    • 2000-08-17
    • PCT/US9930848
    • 1999-12-23
    • UNIVERSAL MUSIC GROUPGALUTEN ALBHYRADBEL DMITRYWILLIAMS PETER
    • GALUTEN ALBHYRADBEL DMITRYWILLIAMS PETER
    • G07F17/00G06Q20/00G07F17/16G07F17/40G10K15/02G06F17/60
    • G06Q20/023G06Q20/02G06Q20/123
    • The electronic media distribution system which facilitates the distribution of media to consumers over a network, such as the Internet, while achieving commercial business objectives and protecting the intellectual property rights associated with the media being distributed. One such media distributed by the system is musical content. The system provides the infrastructure and support for various market participants to engage in buying, selling, finding and distributing music. Content owners, distributors, retailers (112) and consumers (114) are all market participants. The system provides an interface for consumers to locate, access and receive musical content (120) over the Internet. The system facilitates continued control over the musical content (110) sent to consumers (114) by dynamically enforcing retailer agreements and restrictions governing the purchase, use and distribution of the content. The system also provides a service to retailers and distributors in assisting with the management of sales and distribution of music over the Internet.
    • 电子媒体分发系统,其有助于通过诸如因特网的网络向消费者分发媒体,同时实现商业业务目标并保护与被分发的媒体相关联的知识产权。 系统分发的一种这样的媒体是音乐内容。 该系统为各种市场参与者提供基础设施和支持,从事购买,销售,发现和发行音乐。 内容所有者,经销商,零售商(112)和消费者(114)都是市场参与者。 该系统为消费者提供了通过因特网定位,访问和接收音乐内容(120)的界面。 该系统通过动态地执行零售商协议和管理内容的购买,使用和分发的限制来促进对发送给消费者(114)的音乐内容(110)的持续控制。 该系统还为零售商和分销商提供服务,以协助管理互联网上音乐的销售和分销。