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Safety network transmission system and method based on hardware encryption

A secure network and hardware encryption technology, which is applied in the field of secure network transmission systems, can solve the problems of low data exchange performance of SSLVPN technology, inability to widely apply large-scale equipment, and limited scope of application, so as to improve data security, simplify operations, and provide high security. sexual effect

Inactive Publication Date: 2012-09-12
ZHENGZHOU XINDA JIEAN INFORMATION TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The VPN client usually installs a data interception module at the core layer of the operating system. The development of the VPN client can only be aimed at specific Windows and Linux operating systems, and cannot be widely used in large-scale equipment.
In order to solve the problems of low data exchange performance, low security, and limited scope of application of SSL VPN technology based on virtual network cards, it is urgent to provide a secure network transmission method based on hardware encryption

Method used

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  • Safety network transmission system and method based on hardware encryption
  • Safety network transmission system and method based on hardware encryption

Examples

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Embodiment 1

[0042] Embodiment 1: A secure network transmission system and method based on hardware encryption, including a sending host 1, an encryption device 2, a public LAN / WAN network 3, an SSL VPN gateway server 4, and an intranet host 5. Wherein, the encryption device 2 includes a network card module 6 , an encryption chip 7 and a network card module 8 . The RJ45 network interface of the sending host 1 is connected to the network card module 6 of the encryption device 2 through a network cable, another network card module 8 of the encryption device 2 is connected to the public network LAN / WAN 3, and the other end of the public network LAN / WAN 3 is connected to the The RJ45 interface of the SSL VPN gateway server 4 is connected, and the RJ45 interface of the SSL VPN gateway server 4 is connected with the RJ45 interface of the intranet host 5 through a network cable.

[0043] A method for secure network transmission based on hardware encryption, characterized in that:

[0044] Step 1...

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Abstract

The invention relates to a safety network transmission system and method based on hardware encryption. The safety network transmission system based on hardware encryption comprises a transmitting terminal host, encryption equipment, a public LAN (Local Area Network) / WAN (Wide Area Network), an SSLVPN (Secure Sockets Layer Virtual Private Network) gateway server and an Intranet host. The method comprises the following steps of: transmitting a data packet by using the transmitting terminal host; receiving by using a first network card module of the encryption equipment; encrypting and encapsulating by using an encryption chip of the encryption equipment; transmitting through a second network card module; transmitting a new data packet to the SSLVPN gateway server through the public LAN / WAN for splitting and decrypting; transmitting to the Intranet host according to the destination address of the data packet; and encrypting and packaging the data packet on the public LAN / WAN for transmitting. Due to the adoption of the system and the method, high safety of data in network transmission can be ensured, and the problems of poor soft encryption safety of message receiving and transmission caused by the need of installing a VPN (Virtual Private Network) client on the host based on virtual network card SSLVPN network transmission and easiness in attacking in the presence of two switching channels between the host and the outside are solved; and the system and the method are widely applied to network transmission services with high requirements on data safety.

Description

technical field [0001] The invention belongs to the technical field of network security, and in particular relates to a secure network transmission system and transmission method based on hardware encryption that can improve data exchange performance and security. Background technique [0002] With the development of the Internet, network security issues have become increasingly prominent, especially how to use the Internet for encrypted communications has become a hot issue. Currently, the virtual network card SSL VPN technology is mainly used to solve this problem. However, using a virtual network card to communicate requires installing a VPN client to encrypt and encapsulate communication messages, so this encryption method belongs to the category of software encryption. Packets that need to be encrypted by SSL VPN will be processed by the protocol stack twice whether they are sent or received, which will naturally lead to a decrease in data exchange performance to a cer...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L9/32H04L12/46
Inventor 董建强梁松涛何骏栗芳刘熙胖王曙光刘长河武宗品张重磊
Owner ZHENGZHOU XINDA JIEAN INFORMATION TECH
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