A one-way algorithm from which it is very difficult, if not impossible, to derive the original input. Hashing is an encryption technique that is used to generate WEP keys and TKIP rehashed keys. Hashes are also used to validate message integrity and to establish the identity of a sender.
HiperLAN
High-performance radio local-area network. A competing technology to 802.11a, which works in the same 5-GHz ISM band. Developed in Europe by the European Telecommunications Standards Institute (ETSI), HiperLAN has not seen widespread use.
hotspot
A publicly accessible WLAN network. Wireless hotspots are often provided free, either as public amenities or for a small fee in cafes, coffee shops, malls, and so on. With the increasing popularity of WLANs and wireless devices, the number of public hotspots is also rising rapidly.
