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1. 发明授权

US07136903B1 Internet-based shared file service with native PC client access and semantics and distributed access control 有权
标题翻译：基于Internet的共享文件服务，具有本机PC客户端访问和语义以及分布式访问控制
公开(公告)号：US07136903B1
公开(公告)日：2006-11-14
申请号：US09704050
申请日：2000-11-01
申请人： Robert S. Phillips , Scott H. Davis , Daniel J. Dietterich , Scott E. Nyman , David Porter
发明人： Robert S. Phillips , Scott H. Davis , Daniel J. Dietterich , Scott E. Nyman , David Porter
IPC分类号： G06F15/16 , G06F15/167 , G06F7/00 , H04L9/00
CPC分类号： G06F17/30067 , G06F17/30861
摘要： A multi-user file storage service and system enable each user of a pre-subscribed user group to communicate with a remote file server node via a wide area network and to access the files of the file group via the respective client node. More than one user of the pre-subscribed user group is permitted to access the file group at the remote file server node simultaneously. Integrity of the files at the remote file server node are maintained by controlling each access to each file at the remote file server node so that each access to files at the remote file server is performed, if at all, on a respective portion of each file as most recently updated at the remote file server node. Additionally, an encrypted key is transferred from the file server node to a particular client node via a secure channel. The encrypted key uses an encryption function and a decryption function not known locally at the remote file server. Furthermore, both privileged access control rights and file sharing mode access control to a particular file of the group of files are delegated to one or more distributed nodes other than the remote file server node which provides the data.
摘要翻译：多用户文件存储服务和系统使得预订用户组的每个用户能够经由广域网与远程文件服务器节点通信，并且经由相应的客户端节点访问文件组的文件。允许预订用户组的多个用户同时访问远程文件服务器节点上的文件组。通过控制对远程文件服务器节点上每个文件的访问来维护远程文件服务器节点上的文件的完整性，以便在每个文件的相应部分执行对远程文件服务器上的文件的每次访问最近在远程文件服务器节点更新。此外，加密密钥通过安全信道从文件服务器节点传送到特定的客户端节点。加密密钥使用在远程文件服务器本地不知道的加密功能和解密功能。此外，对提供数据的远程文件服务器节点以外的一个或多个分布式节点，委托给该组文件的特定文件的特权访问控制权和文件共享模式访问控制。

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