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1. 发明申请

US20090044275A1 PACKET DATA COMPARATOR AS WELL AS VIRUS FILTER, VIRUS CHECKER AND NETWORK SYSTEM USING THE SAME 失效
标题翻译：分组数据比较器作为病毒过滤器，病毒检查器和使用它的网络系统
公开(公告)号：US20090044275A1
公开(公告)日：2009-02-12
申请号：US12055651
申请日：2008-03-26
申请人： Eiichi TAKAHASHI , Masahiro YASUDA , Yosuke IIJIMA , Masahiro MURAKAWA , Kenji TODA , Tetsuya HIGUCHI
发明人： Eiichi TAKAHASHI , Masahiro YASUDA , Yosuke IIJIMA , Masahiro MURAKAWA , Kenji TODA , Tetsuya HIGUCHI
IPC分类号： G06F21/00
CPC分类号： H04L63/145 , G06F21/562 , G06F21/57
摘要： It is an object of the present invention to realize a network system which can quickly detect a virus and tends not to be a new cause of vulnerability. A packet data comparator disclosed by the present invention branches inputted packet data into three branches, and includes an additional pattern matching unit which compares the branched packet data with a part of stored data and performs matching with collation patterns stored in a rewritable storage area, a fixed pattern matching unit which compares the branched packet data with the part of the stored data and performs the matching with a logical operation which has been configured with known collation patterns, a notification packet matching unit which compares the branched packet data with the part of the stored data and finds a notification packet, and an identity detection aggregation unit which aggregates results from the respective matching units. Moreover, a virus filter is configured by using the packet data comparator, a virus checker which can be updated through a network is configured by using the above described virus filter, and a secure network system is realized by using the above described virus checker.
摘要翻译：本发明的目的是实现能够快速检测病毒并且不会成为新的脆弱原因的网络系统。由本发明公开的分组数据比较器将输入的分组数据分支为三个分支，并且包括附加模式匹配单元，其将分支分组数据与存储的数据的一部分进行比较，并且与存储在可重写存储区域中的对照模式进行匹配，固定模式匹配单元，其将分支分组数据与所存储的数据的一部分进行比较，并且与已经配置有已知核对模式的逻辑操作进行匹配;通知分组匹配单元，其将分支分组数据与部分存储数据并找到通知包，以及身份检测聚合单元，其聚合来自相应匹配单元的结果。此外，通过使用分组数据比较器来配置病毒过滤器，通过使用上述病毒过滤器来配置可以通过网络更新的病毒检查器，并且通过使用上述病毒检查器来实现安全网络系统。

2. 发明授权

US08429749B2 Packet data comparator as well as virus filter, virus checker and network system using the same 失效
标题翻译：分组数据比较器以及病毒过滤器，病毒检测器和网络系统使用相同
公开(公告)号：US08429749B2
公开(公告)日：2013-04-23
申请号：US12055651
申请日：2008-03-26
申请人： Eiichi Takahashi , Masahiro Yasuda , Yosuke Iijima , Masahiro Murakawa , Kenji Toda , Tetsuya Higuchi
发明人： Eiichi Takahashi , Masahiro Yasuda , Yosuke Iijima , Masahiro Murakawa , Kenji Toda , Tetsuya Higuchi
IPC分类号： H04L29/06
CPC分类号： H04L63/145 , G06F21/562 , G06F21/57
摘要： A network system by the present invention can quickly detect viruses and does not easily become a new cause of vulnerability. A packet data comparator branches inputted packet data into three branches, and includes an additional pattern matching unit which compares the branched data with the stored data and performs matching with collation patterns stored in a rewritable storage area, a fixed pattern matching unit which compares the branched data with the stored data and performs the matching with a logical operation configured with known collation patterns, a notification packet matching unit which compares the branched data with the stored data and finds a notification packet, and an identity detection aggregation unit which aggregates results from the respective matching units. Moreover, a virus filter, a virus checker, and a secure network system are realized by using the present invention.
摘要翻译：本发明的网络系统可以快速检测病毒，不容易成为新的漏洞。分组数据比较器将输入的分组数据分成三个分支，并且包括附加模式匹配单元，其将分支数据与存储的数据进行比较，并且与存储在可重写存储区域中的对照模式进行匹配，固定模式匹配单元，数据与存储的数据进行匹配，并且执行与已知对照模式配置的逻辑操作的匹配;通知分组匹配单元，其将分支数据与所存储的数据进行比较并找到通知分组;以及身份检测聚合单元，各匹配单位。此外，通过使用本发明来实现病毒过滤器，病毒检查器和安全网络系统。

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