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1. 发明申请

US20060143449A1 Security-translator 审中-公开
标题翻译：安全翻译
公开(公告)号：US20060143449A1
公开(公告)日：2006-06-29
申请号：US11285282
申请日：2005-11-23
申请人： Martin Groger , Markus Fohrenck , Christian Scholz
发明人： Martin Groger , Markus Fohrenck , Christian Scholz
IPC分类号： H04L9/00
CPC分类号： H04L63/0227 , H04L63/105 , H04L69/40
摘要： A security translator (STL) that serves for connecting a data network (N2) pertaining to a lower security level to a data network (N1) pertaining to a higher security level examines its own integrity at definite intervals in order to ascertain malfunctions and, where appropriate, to trigger a transition to the secure failure state. The secure failure state consists in the connection from the data network with a lower security level to the data network with a higher security level being interrupted. This is obtained by means of a watchdog circuit (WD1, WD2) which keeps the connection (CTN) between the data network (N2) with a lower security level and the data network (N1) with a higher security level closed as long as it receives regular signs of life and which automatically interrupts the connection if it receives no sign of life over a predetermined period.
摘要翻译：用于将属于较低安全级别的数据网络（N 2）连接到属于较高安全级别的数据网络（N 1）的安全转换器（STL）以确定的间隔检查其自己的完整性以便确定故障，并且在适当情况下，触发转移到安全故障状态。安全故障状态包括从具有较低安全级别的数据网络到具有较高安全级别中断的数据网络的连接。这是通过看门狗电路（WD 1，WD 2）获得的，它将数据网络（N 2）与较低安全级别之间的连接（CTN）与安全级别较高的数据网络（N 1）保持只要它接收到正常的生命迹象，并且如果在预定时段内没有收到生命迹象，则自动中断连接。

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