WAPI

WAPI may refer to:

WAPI (AM)

WAPI (1070 AM, "1070 WAPI") is a radio station licensed to Birmingham, Alabama. Its daytime power is 50,000 watts and at nighttime it broadcasts with 5,000 watts. WAPI is a talk radio station, featuring a combination of live, local programming and nationally syndicated shows, including Mark Levin, Michael Savage and Kim Komando. WAPI is one of several Birmingham-area radio stations owned by Cumulus Media. It is also central Alabama's home of the Auburn Tigers. The station has studios in Homewood and its transmitter is in Forestdale.

WAPI broadcasts in HD.

History

In April 1922, WSY radio signed on as the second radio station in Alabama, owned by Alabama Power Company. Some five months later, the fourth radio station in the state, WMAV, owned by the Alabama Polytechnic Institute (now Auburn University) began broadcasting from Auburn. WSY was not successful, and in 1925 its broadcast facilities were dismantled and donated to WMAV and Alabama Polytechnic. At that time, the station’s call letters were changed to WAPI, reflecting the ownership of the station.

WLAN Authentication and Privacy Infrastructure

WLAN Authentication and Privacy Infrastructure (WAPI) is a Chinese National Standard for Wireless LANs (GB 15629.11-2003). Although it was allegedly designed to operate on top of WiFi, compatibility with the security protocol used by the 802.11 wireless networking standard developed by the IEEE is in dispute. Due to the limited access of the standard (only eleven Chinese companies had access), it was the focus of a U.S.-China trade dispute. Following this it was submitted to, and rejected by the ISO. It was resubmitted to ISO in 2010, but was cancelled as a project on 21 November 2011 after being withdrawn by China. Part of the reason for withdrawal is thought to be the well documented observations by IEEE representatives that showed WAPI was equivalent to a small subset of IEEE 802.11i based systems.

How the Standard Works

WAPI, which was initiated to resolve the existing security loopholes (WEP) in WLAN international standard (ISO/IEC 8802-11), was issued to be Chinese national standard in 2003. WAPI works by having a central Authentication Service Unit (ASU) which is known to both the wireless user and the access point and which acts as a central authority verifying both. The WAPI standard (draft JTC1/SC6/N14619) allows selection of the symmetric encryption algorithm, either AES or SMS4, which has been declassified in January 2006 and passed evaluation by independent experts.