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Method and system for enhancing OpenVPN data safety

A security and data technology, applied in data exchange through path configuration, user identity/authority verification, network interconnection, etc., can solve problems such as TLS handshake data being stolen

Inactive Publication Date: 2014-11-05
INSPUR BEIJING ELECTRONICS INFORMATION IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a method and system for enhancing OpenVPN data security to solve the technical problem of how to avoid TLS handshake data from being stolen

Method used

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  • Method and system for enhancing OpenVPN data safety
  • Method and system for enhancing OpenVPN data safety
  • Method and system for enhancing OpenVPN data safety

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Embodiment Construction

[0043] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0044] figure 1 It is a flow chart of the method for enhancing OpenVPN data security in this embodiment.

[0045] S101 confuses the TSL handshake data into random data;

[0046] Preferably, the generated random obfuscation key is C0, C0=SHA1(R+salt), wherein, salt is a character string shared by the configured client and server for establishing a connection with each other, and the length can be set, such as setting the length It is 4 bytes, R is a random number, which can be added to the header of the obfuscated data packet, and the length is the same as the length of the ...

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Abstract

The invention discloses a method and system for enhancing OpenVPN data safety. The method comprises the step that before TLS handshaking is carried out, TLS handshaking data are mixed to be random data to be transmitted. The method and system prevent the TLS handshaking data from being stolen.

Description

technical field [0001] This application relates to the field of open virtual private channel (OpenVPN) data security, since it relates to a method and system for enhancing OpenVPN data security. Background technique [0002] A virtual private network (Virutal Private Network, VPN) is a tunnel for secure data transmission established on the Internet. OpenVPN is an open source VPN system based on Secure Sockets Layer (SSL). Compared with VPN based on Point-to-Point Tunneling Protocol (PPTP), its biggest advantage is that it supports User Datagram Protocol (UDP). NAT) devices behind the connection. Especially in Linux systems, OpenVPN is easier to configure and deploy. [0003] In addition, OpenVPN has many security features: it runs in user space without modifying the kernel and network protocol stack; it runs in chroot mode after initialization, giving up root directory (root) permissions; it uses mlockall to prevent sensitive data from being swapped to disk; it allows part...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L9/32
Inventor 朱坤
Owner INSPUR BEIJING ELECTRONICS INFORMATION IND