Hardware implementation of the improved WEP and RC4 encryption algorithms for wireless terminals

摘要: This paper presents hardware implementations for Improved Wired Equivalent Privacy (IWEP) and RC4 ("Ron's Cipher #4") encryption algorithms. IWEP is a block algorithm providing light-strength encryption. The has been designed new Wireless Local Area Network (WLAN), called TUTWLAN (Tampere University of Technology Network). On the contrary RC4, developed by RSA Data Security, Inc., powerful stream used in many commercial products. It also utilized (WEP) standard WLANs. objective this work to study suitability implementation these previously software-implemented ciphers. Hardware needed replace software especially wireless multimedia terminals, which real-time data processing limited on-chip memory sizes are key elements. made Very highspeed integrated circuit Description Language (VHDL) on Xilinx Field Programmable Gate Array (FPGA) chips.