Compatible design of CCMP and OCB AES cipher using seperated encryptor and decryptor for IEEE 802.111

Ho Yung Jang, Joon Hyoung Shim, Jung Hee Suk, In Cheol Hwang, Jun Rim Choi

Research output: Contribution to journalConference articlepeer-review

7 Scopus citations

Abstract

We propose a compatible design of CCMP and OCB AES cipher using separated encryptor and decryptor for IEEE 802. 11i. IEEE 802.11i - Wireless LAN Security working group defines the AES-based cipher system, which is operated on CCMP mode or on OCB mode. Our design supports all these two modes of operation. In the OCB mode, it uses very small amount of memory to generate offset values. Also in the CCMP mode, it doesn't need to update the initial vector and update only one counter value considering the packet architecture of wireless LAN. The implemented OCB and CCMP feature 400Mbps and 243 Mbps throughput respectively at 50 MHz frequency, which are targeted to Xilinx Vertex FPGA device.

Original languageEnglish
Pages (from-to)III645-III648
JournalProceedings - IEEE International Symposium on Circuits and Systems
Volume3
StatePublished - 2004
Event2004 IEEE International Symposium on Cirquits and Systems - Proceedings - Vancouver, BC, Canada
Duration: 23 May 200426 May 2004

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