Specifications
Glossary-12
hash
Aone‐wayalgorithmfromwhoseoutputtheinputiscomputationallyinfeasibletodetermine.
Withagoodhashingalgorithmyoucanproduceidenti caloutputfromtwoidenticalinputs,but
findingtwodifferentinputsthatproducethesameoutputiscomputationallyinfeasible. Hash
functionsareusedwidelyinauthenticationalgorithmsand for
keyderivationprocedures.
HiperLAN
High‐performanceradiolocalareanetwork.AsetofwirelessLAN(WLAN)communication
standardsusedprimarilyinEuropeancountriesandadoptedbytheEuropean
TelecommunicationsStandardsInstitute(ETSI).
HMAC
Hashedmessageauthenticationcode.Afunction,definedinRFC 2104,forkeye dhashingfor
messageauthentication.HMACisusedwithMD5andthesecurehashalgorithm(SHA).
Hashed Message Authentication Code
SeeHMAC.
Hewlett-Packard Open View
SeeHPOV.
homologation
Theprocessofcertifyingaproductorspecificationtoverifythatitmeetsregulatorystanda rds.
HPOV
Hewlett‐PackardOpenView.Theumbrellanetworkmanagementsystem(NMS)familyof
productsfromHewlett‐Packard.TheEnterasysNetworksMobilitySystemRoamAboutSwitch
ManagertoolsuiteinteractswiththeHPOVNetworkNodeManager(NNM).
HTTPS
HypertextTransferProtocoloverSecureSockets Layer.AnInternetprotocoldevelopedby
NetscapetoencryptanddecryptnetworkconnectionstoWebservers.Builtintoallsecure
browsers,HTTPSusestheSecureSocketsLayer(SSL)protocolasasublayerundertheregular
HTTPapplicationlayer,andusesport 443insteadofHTTPport
80initsinteractionswiththelower
layer,TCP/IP.SeealsoSSL.
Hypertext Transfer Protocol over Secure Sockets Layer
SeeHTTPS.
IAS
InternetAuthenticationService.Microsoft’sRADIUSserver.
IC
IndustryCanada.TheCanadiangoverningbodyfortelecommunications.
ICV
Integritycheckvalue.Theoutputofamessageintegritycheck.