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1. 发明授权

US6108787A Method and means for interconnecting different security level networks 失效
标题翻译：用于互连不同安全级别网络的方法和手段
公开(公告)号：US6108787A
公开(公告)日：2000-08-22
申请号：US930374
申请日：1997-12-08
申请人： Mark Stephen Anderson , John Edmund Griffin , Christopher James Guildford North , John Desborough Yesberg , Kenneth Kwok-Hei Yiu , Robert Brunyee Milner
发明人： Mark Stephen Anderson , John Edmund Griffin , Christopher James Guildford North , John Desborough Yesberg , Kenneth Kwok-Hei Yiu , Robert Brunyee Milner
IPC分类号： G06F12/14 , G06F1/00 , G06F13/00 , G06F21/00 , G06F21/20 , G06F21/24 , G09C1/00 , H04L9/32 , G06F11/00
CPC分类号： G06F21/85 , G06F21/606 , G06F21/6236 , H04L63/105 , G06F2211/009 , G06F2221/2113
摘要： An information flow control means for location between a first and second computer network where the first network has a higher security classification than the second network. The information flow control means comprises an information switch having an information input, a first output connected to the first network, a second output connected to the second network, a controller having at least two states, a first state controlling the information switch to connect the input to the first output and a second state controlling the information switch to connect the input to the second output, and an information diode having an input for receiving information from the second network and an output for transferring information received from the second network to the first network through a connection from the information diode output to the first network and which prevents information flowing from the output to the input.
摘要翻译： PCT No.PCT / AU96 / 00186 Sec。 371 1997年12月8日第 102（e）日期1997年12月8日PCT 1996年3月29日PCT公布。出版物WO96 / 30840 日期1996年10月3日信息流控制装置，用于第一和第二计算机网络之间的位置，其中第一网络具有比第二网络更高的安全性分类。信息流控制装置包括具有信息输入的信息交换机，连接到第一网络的第一输出端，连接到第二网络的第二输出端，具有至少两个状态的控制器，控制信息开关以连接输入到第一输出，以及第二状态，控制信息开关以将输入连接到第二输出;以及信息二极管，具有用于从第二网络接收信息的输入和用于将从第二网络接收的信息传送到第一网络的输出网络通过从信息二极管输出到第一网络的连接，并且防止信息从输出流向输入。

2. 发明授权

US08572403B2 Digital video guard 有权
标题翻译：数字视频防护
公开(公告)号：US08572403B2
公开(公告)日：2013-10-29
申请号：US13126444
申请日：2009-12-24
申请人： Mark Robert Grant Beaumont , Christopher James Guildford North , Kenneth Kwok-Hei Yiu , Joshua David Green
发明人： Mark Robert Grant Beaumont , Christopher James Guildford North , Kenneth Kwok-Hei Yiu , Joshua David Green
IPC分类号： G06F11/30
CPC分类号： G06F21/60 , G06F21/84 , G06F21/85 , H04N21/4181 , H04N21/4367
摘要： This invention relates to the veracity of information displayed to a user of a computer, and information provided to a computer by human input devices such as mice and keyboards. A digital video guard (DVG) device is a peripheral that is retrofitted to commodity computer devices. The DVG resides in-line with a digital display and enables secure end-to-end interactions between a user and a displayed (usually remote) application. In-band signalling within the digital video stream is used to carry encrypted information from a local or remote source, over untrusted network infrastructure through the digital video guard device to a user. The DVG decrypts and verifies the integrity of the digital video. The integrity of the displayed information is indicated by a trusted LED on the DVG hardware. Portions of the video signal may be designated as trusted, if the received data has been encrypted, signed, or labelled as trustworthy.
摘要翻译：本发明涉及显示给计算机的用户的信息的真实性，以及由诸如鼠标和键盘的人类输入设备提供给计算机的信息。数字视频保护（DVG）设备是被改装为商用计算机设备的外设。 DVG与数字显示器保持一致，并实现用户与显示（通常是远程）应用程序之间的安全的端到端交互。数字视频流内的带内信令用于通过数字视频保护装置向用户携带来自本地或远程源的不可信网络基础设施的加密信息。 DVG解密并验证数字视频的完整性。显示信息的完整性由DVG硬件上的可信指示灯指示。如果接收到的数据已被加密，签名或标记为可靠，则视频信号的部分可被指定为可信任的。

3. 发明申请

US20110264922A1 DIGITAL VIDEO GUARD 有权
标题翻译：数字视频保护
公开(公告)号：US20110264922A1
公开(公告)日：2011-10-27
申请号：US13126444
申请日：2009-12-24
申请人： Mark Robert Grant Beaumont , Christopher James Guildford North , Kenneth Kwok-Hei Yiu , Joshua David Green
发明人： Mark Robert Grant Beaumont , Christopher James Guildford North , Kenneth Kwok-Hei Yiu , Joshua David Green
IPC分类号： G06F12/14
CPC分类号： G06F21/60 , G06F21/84 , G06F21/85 , H04N21/4181 , H04N21/4367
摘要： This invention relates to the veracity of information that is displayed to a user of a computer and can also relate to the veracity of information provided to a computer by human input devices such as pointing devices and keyboards. A digital video guard device is a peripheral that is retrofitted to commodity computer device. The digital video guard device provides trust in specific information presented on a digital display. The digital video guard device resides in-line with a digital display and enables secure end-to-end interactions between a user and a displayed (usually remote) application. In-band signalling within the digital video stream is used to carry encrypted information from a remote source, over untrusted network infrastructure through the digital video guard device to a user for viewing. The creation of encrypted digital video content can be achieved by either local or remote applications, and is effected by manipulating what is to be rendered on a computer's display, i.e. encrypting data that will at some time form part of a digital display stream and be output from an information device to a digital display. The digital video guard device can decrypt and verify the integrity of the digital video content as it is sent to a digital display. The integrity of the displayed information is indicated by a trusted LED on the digital video guard device hardware. Part or the entire video signal may be designated as trusted, depending on what data within the video signal has been encrypted, signed, or otherwise labelled as being trustworthy.
摘要翻译：本发明涉及向计算机的用户显示的信息的真实性，并且还可以涉及由诸如指示设备和键盘的人类输入设备提供给计算机的信息的真实性。数字视频防护装置是对商品计算机装置进行改装的外设。数字视频保护装置提供对数字显示器上呈现的特定信息的信任。数字视频保护设备与数字显示器保持一致，并实现用户与显示（通常是远程）应用之间的安全的端到端交互。数字视频流内的带内信令用于将来自远程源的加密信息通过不可信任的网络基础设施通过数字视频保护设备传送到用户进行观看。加密的数字视频内容的创建可以通过本地或远程应用来实现，并且通过操纵在计算机显示器上呈现什么来实现，即加密将在某时形成数字显示流的一部分并被输出的数据从信息设备到数字显示。当数字视频内容被发送到数字显示器时，数字视频保护装置可以解密和验证数字视频内容的完整性。显示信息的完整性由数字视频保护设备硬件上的可信指示灯指示。部分或整个视频信号可以被指定为可信赖的，这取决于视频信号中的哪些数据已被加密，签名或以其他方式被标记为可信赖的。

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