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Cookie protecting method and device

A protection device and algorithm technology, applied in the field of network security, can solve problems such as user leaks, reduce website performance, etc., to achieve the effect of improving security

Inactive Publication Date: 2013-01-16
HANGZHOU DPTECH TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the cookie file contains a lot of user information, it will cause problems such as user leakage, and it is necessary to protect the cookie by encrypting it.
[0003] The existing cookie encryption technology uses the interface provided by the system to perform in the user mode or socket. When encrypting a large-capacity cookie, problems often occur while improving security but reducing website performance.

Method used

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  • Cookie protecting method and device
  • Cookie protecting method and device

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Embodiment Construction

[0040] The present invention provides a cookie protection method and device, by obtaining the IP interaction message carrying the cookie value between the client and the server, using a preset algorithm to encrypt or decrypt, and then according to the change of the cookie length before and after encryption or decryption, Modify the total length field value in the IP header of the IP interaction message, the sequence number or confirmation number in the TCP header in the IP interaction message, to realize the protection of cookie information.

[0041] In order to realize the purpose of the present invention, the present invention will be described in detail below in conjunction with the accompanying drawings. The invention provides a cookie protection method, which is applied to a network intermediate device, and the network intermediate device is located between a client and a server. The method for protecting the cookie value in the present invention is specifically divided i...

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PUM

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Abstract

The invention discloses a cookie protecting method and device. According to the method, an IP (Internet Protocol) interactive message between a client and a server is obtained, a cookie value contained in the IP interactive message is encrypted or decrypted, and the total length field value in an IP header of an IP responding message is modified according to the lengths of cookie values before and after encryption, so that the security is improved on the premise of not reducing the website performance.

Description

technical field [0001] The invention relates to the field of network security, in particular to a cookie protection method and device. Background technique [0002] With the popularization and development of the Internet and network applications, websites use cookies to track and count users’ visiting habits, so as to provide users with personalized services and provide a certain reference value for the improvement of website business strategies. However, because the cookie file contains a lot of user information, it will cause problems such as user leakage, and it is necessary to protect the cookie by encrypting it. [0003] The existing cookie encryption technology uses the interface provided by the system to perform in the user state or socket. When encrypting a large-capacity cookie, problems such as improving security but reducing website performance often occur. Contents of the invention [0004] In view of this, the present invention provides a method and device fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L9/06
Inventor 朱梁
Owner HANGZHOU DPTECH TECH