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Data communication device and method

A technology of data and equipment, applied in the direction of electrical digital data processing, digital transmission system, error detection of redundant codes, etc., can solve problems such as data leakage and existential attacks

Inactive Publication Date: 2007-09-26
SILICON GAP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, no matter what protection is used, if a secure computer has the ability to transfer data to an unsecure computer, data breaches are possible
Because all of the aforementioned complex methods allow a secure computer to transmit data to an unsecure computer under certain circumstances, there is an attack

Method used

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  • Data communication device and method
  • Data communication device and method
  • Data communication device and method

Examples

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Embodiment Construction

[0035] Referring to FIG. 2 , a protected network according to a specific embodiment of the present invention is shown, which shows an implementation of providing a protected network. The present invention provides a hardware or digital isolator that can interface to a LAN using standard Ethernet protocols that require bi-directional communication to operate, but only allow data to flow in one direction, preventing any data from the target node from passing to the sending node.

[0036] The above process can be realized by setting a one-way data path between two NIC cards. Each NIC card meets the bi-directional communication requirements of the WAN in order to initiate a connection allowing data transfer. A digital isolator placed between two network adapters enables unidirectional flow.

[0037] This can be done in the form of a magnetic signal isolator which introduces a real air gap or a silicon die such as a NAND gate which acts as a virtual air gap since it only allows t...

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PUM

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Abstract

A method is described for transferring data from an unsecured computer to a secured computer. The method includes transmitting the data and then receiving the data. Next, it is determined if errors were introduced when the data was transmitted by the unsecured computer or received by the secured computer. If an error was introduced when the data was transmitted or received, the data is retransmitted.

Description

technical field [0001] The present invention relates to the field of data communication. One aspect of the present invention relates to transferring data between electronic devices in an unsecured environment. More specifically, the invention relates to transferring data between an unsecured computer and a secure computer. [0002] The invention is hereinafter described in terms of data transfer between computers, but it should be understood that the invention is not limited to this application. Background technique [0003] The inventors have recognized that one of the foremost aspects of computer security is the protection of computers against unwanted data disclosure. Computer security initially came into focus because of the need to protect secret government and military data. But due to the current era of industrial espionage and hacking, computer security has become a major area of ​​concern for computer administrators. [0004] The inventors are also aware of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/08H03M13/00
CPCG06F11/1443H04L1/22H04L1/1867G06F11/1402G06F11/08H03M13/00
Inventor 马特恩·W·塔卡茨布赖恩·C.·拜尔
Owner SILICON GAP
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