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your com pute r’s ope ra ting s ystem a nd m a y re quire
a dditiona l softwa re or ha rdwa re a s we ll a s wire le s s LAN
infra s tru ctu re support. Che ck with your com pute r
m a n u fa ctu re r for deta ils.
TKI P (Te m pora l Ke y Inte grity Protocol) is a n e nha n ce m e nt to WEP
(Wire d Equiva le nt Priva cy) s e cu rity. TKIP provide s pe r-pa cke t ke y
m ixin g, a m e ssa ge integrity che ck a n d a re ke ying m e cha n ism , wh ich
fixe s the fla ws of WEP.
TLS
A type of a u th e n tica tion m e thod u s in g the Exte n sible Au the ntica tion
Protocol (EAP) a nd a se curity protocol ca lle d th e Tra nsport La ye r
Se cu rity (TLS). EAP-TLS use s ce rtifica te s which use pa s s words. EAP-
TLS a u the n tica tion supports dyna m ic WEP ke y m a n a ge m e nt. The TLS
protocol is inte n de d to s e cure a nd a uthe n tica te com m u n ica tions a cross
a public ne twork th rou gh da ta e ncryption. The TLS Ha n dsha ke Protocol
a llows th e s e rve r a nd clien t to provide m u tua l a uthe n tica tion a nd to
ne gotia te a n e n cryption a lgorithm a n d cryptogra phic ke ys be fore da ta
is tra n s m itte d.
TTLS
The se s e ttings define the protocol a nd the cre de ntia ls u s e d to
a uthe n tica te a use r. In TTLS (Tunne le d Tra nsport La ye r Se cu rity), the
clie n t use s EAP-TLS to va lida te th e s e rve r a nd cre a te a TLS-e n crypte d
cha nn e l be twe e n the clie n t a nd se rve r. The clie n t ca n use a n other
a uthe n tica tion protocol, typica lly pa s s word-ba s e d protocols, a s MD5
Ch a lle n ge ove r th is e ncrypte d cha n n e l to e na ble s e rve r va lida tion . Th e
cha lle nge a nd re s ponse pa cke ts a re s e n t ove r a non -e xposed TLS
e ncrypte d ch a nne l. TTLS im plem e n ta tions toda y support a ll m e th ods
de fine d by EAP, a s we ll a s s e ve ra l olde r m e thods (
PAP, CHAP, MS-CHAP
a nd MS-CHAPv2). TTLS ca n e a s ily be e xte nde d to work with ne w
protocols by de fining n e w a ttribute s to support n e w protocols.
Au t h e n t ic a t io n P ro t o c o ls