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Method for implementing coexistence of various cryptographic algorithm in wireless LAN

A technology of wireless local area network and encryption algorithm, which is applied in the field of realizing the coexistence of multiple encryption algorithms of wireless local area network, which can solve the problems of the wide application limitation of wireless local area network devices and the inability of wireless local area network devices to communicate with each other, and achieve the effect of fast encryption and good versatility

Inactive Publication Date: 2009-06-24
BEIJING CEC HUADA ELECTRONIC DESIGN CO LTD
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  • Abstract
  • Description
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Problems solved by technology

This situation restricts the wide application of WLAN devices, that is, WLAN devices using different security protocol standards cannot communicate with each other.

Method used

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  • Method for implementing coexistence of various cryptographic algorithm in wireless LAN
  • Method for implementing coexistence of various cryptographic algorithm in wireless LAN

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Embodiment Construction

[0011] The present invention will be described in detail below in conjunction with the accompanying drawings. In order to better illustrate the intent of the present invention, the specific implementation of the present invention takes security protocols wapi and 802.11i as examples. The algorithm for data encryption and integrity verification in the wapi security protocol is wpi, the algorithm for data encryption and integrity verification in the 802.11 protocol is the wep encryption algorithm, and the algorithm for data encryption and integrity verification in 802.11i is tkip (an upgraded version based on wep) and ccmp.

[0012] The invention provides a method for realizing the coexistence of multiple encryption algorithms in the wireless local area network, in order to realize the dual-mode of the wireless local area network equipment and improve its versatility. The invention includes a structure for realizing the coexistence of multiple encryption algorithms and a method...

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Abstract

The invention provides a method for realizing coexistence of multiple encryption algorithms in WLAN. In WLAN, communication security is very important. Currently, a plurality of encryption algorithms are used for realizing safety communication in WLAN, such as wpi (wapi protocol), tkip, ccmp(802.11i protocol) and the like. In concrete application, a WLAN device is used for realizing a plurality of hardware encryptions simultaneously, so the generality of WLAN device is limited in specific occasions. The invention combines the characteristics of a plurality of encryption algorithms and adopts the same structure to realize the coexistence of encryption algorithms in hardware. Parallel processing is adopted for the verification of data encryption and integrality of each encryption algorithm, so the operational speed is improved. The WLAN device in the invention is adopted to realize the switching in different encryption modes, so the generality of WLAN device is improved.

Description

technical field [0001] The invention relates to a hardware encryption implementation method for secure communication in the wireless local area network field, in particular to a method for coexistence of multiple encryption algorithms in hardware implementation and a parallel processing method for data encryption and integrity verification when the encryption algorithm is implemented. Background technique [0002] In WLAN, communication security is a very important issue. The wep encryption algorithm given in the 802.11 protocol does not really solve the security problem of the wireless local area network, so the subsequent security protocols wapi and 802.11i appear. The algorithm for data encryption and integrity verification in the wapi security protocol is wpi, and the algorithm for data encryption and integrity verification in 802.11i is tkip (an upgraded version based on wep) and ccmp. [0003] At present, most wireless LAN devices adopt a security protocol standard, t...

Claims

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Application Information

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IPC IPC(8): H04L9/12H04L29/06
Inventor 赵彦光
Owner BEIJING CEC HUADA ELECTRONIC DESIGN CO LTD
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