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WPA Security Feature Development
Customer: Tier1 Semiconductor Company
Requirement: To develop WLAN Security feature on WPA
Solution Provided
- Added support for customer’s chipset in Linux WPA supplicant utility
- Modified the WLAN device driver to provide functionalities required for WPA
- Enhanced the WLAN device firmware to support WPA security feature
- Maximum reusability of code from different platform with optimum code size after porting
- Convincing the client with alternate design in data path for better performance
Approach
- Understood the Linux WPA supplicant Framework
- Designed an interface between the WPA supplicant and host driver
- Implemented a wrapper for the device in WPA supplicant
- Modified the WLAN driver to support functionalities needed for WPA
Benefits
- Complete support for WPA security for the WLAN device was made available with Linux which was not present earlier
- Modular design to incorporate further changes in line with enhancements to WPA specifications
Technology & Tools
Target Platform: x86, ARM, MIPS
OS: Linux
Tools: GNU tool chain, WPA supplicant 0.2.8 & 0.3.11