Token - yog dab tsi?

Qhov teeb meem ntawm hluav taws xob kev ruaj ntseg - ib qho ntawm feem tseem ceeb nyob rau hauv lub ntiaj teb no niaj hnub no. Nws twb npaj siab ntau txoj kev sib txawv ntawm nws cov kev daws teeb meem. Token - qhov no yog ib tug ntawm lawv. Yuav ua li cas nws yog, thiab zoo li cas nta ntawm nws daim ntawv thov nyob?

Token - yog dab tsi?

Chiv, peb txhais tau ib co terminology. Token yog ib tug compact ntaus ntawv uas yog npaj los xyuas kom meej cov ntaub ntawv kev ruaj ntseg ntawm tus neeg siv. Nws yog siv rau cov cim ntawm tus tswv tsev thiab tau muab kev ruaj ntseg tej thaj chaw deb rau tag nrho cov tau hom ntawm cov ntaub ntawv.

Tokens yuav siv tau es tsis txhob ntawm ib lo lus zais, los yog nyob rau hauv tas li ntawd thereto. lawv feem ntau muaj ib tug me me luaj li cas thiab yooj yim haum nyob rau hauv ib tug lub hnab tawv pojniam los yog lub hnab tshos. Ntau tshaj versions tseem muaj lub peev xwm los cia cryptographic lub lag luam (digital kos npe, biometric cov ntaub ntawv). Token - nws zoo? Yog lawv tag nrho cov tib? Lawv txawv nyob rau hauv tsos, tsis tsuas nyob rau hauv functionality: ib co muaj tsuas ib qho screen, supplemented los ntawm lwm yam tej yam me me keyboard, thiab lwm leej lwm tus cia li muaj ib tug me me pob-tas li ntawd. Tokens yog nruab nrog RFID functionality, USB connector thiab Bluetooth interface mus rau kis tseem ceeb rau tus neeg system. Lawv ua ib tug ntau ntawm tuam txhab uas muag, thiab cov broadest assortment. Ntawm cov ua manufacturers muaj xws qhauj "E Token" thiab "RuToken"

hom ntawm tokens

Tokens no muaj nyob nrog ib tug ntau yam ntawm functionality, rau cov neeg uas lawv muaj ntau yam authentication txoj kev. Qhov yooj yim cov neeg sawv cev yuav tsum tsis txhob muab lossi kev cob cog rua rau lub computer. Lawv tsim ib tug xov tooj, thiab cov neeg siv tsuas nkag lawv mus rau hauv lub cev. Muaj tokens uas siv wireless technologies xws li Bluetooth. Lawv ua los mus hloov tseem ceeb ib theem zuj zus. Ib tug tshwj xeeb txoj hauj lwm yog nyob los ntawm cov pab kiag li lawm uas ua nyob rau hauv lub caij ntawm ib USB ntaus ntawv. Lawv yuav tsum tau ib tug ncaj qha kev txuas mus rau lub computer uas cov ntaub ntawv tshaaj yuav tsum nqa tawm.

Lwm Yam thiab cov tshuaj tiv thaiv kev khiav hauj lwm systems nyob rau hauv ntau hom ntawm tokens. Piv txwv li, tej zaum ib txhia tsuas nyeem cov qhov tseem ceeb thiab ua yuav tsum tau cryptographic hauj lwm. Lwm cov tej zaum yuav tsum tau ib tug ntxiv lo lus zais. Coj mus muag dlaws ntawm lub tshuab yog muab los ntawm tuam txhab uas muag, feem ntau yog nrog lawv tus kheej kev ruaj ntseg mechanisms thiab siv nta. Yog li ntawd, USB token yuav tau ua nyob rau hauv daim ntawv ntawm ib tug tej yam me me flash drive, los yog nws muaj peev xwm ua raws li ib tug mobile sib txuas lus. Nws yog tseem tau mus paub thaum nws yog disguised raws li ib tug tseem ceeb FOB los yog lwm yam maloprimetnuyu tshaj plaws.

vulnerabilities

Muaj ob lub ntsiab teeb meem nrog rau cov kev siv ntawm tokens:

1. Poob los yog tub sab tub nyiag. Yog hais tias cov dab yog random, ces tsis muaj dab tsi txhawj txog. Tab sis yog hais tias cov kev ua tau ua phem los ntawm ib tug neeg txhob txwm, nyob rau hauv cov ntaub ntawv no, yuav pab txo cov kev txaus ntshai ntawm ob authentication thaum mus ua kom tiav cov kev qhia kom paub cov txheej txheem yuav tsum tau tsis tsuas yog ib lub token, tab sis txoj kev mus lo lus zais (zoo li qub los yog tsis tu ncua generated thiab xa mus rau koj lub xov tooj).
2. Lub tswvyim ntawm "txiv neej nyob rau hauv nruab nrab". Qhov no yog manifested thaum ua hauj lwm los ntawm unreliable network (lub Internet yog ib tug zoo piv txwv). Lub essence ntawm lub tswvyim no yog hais tias cov channel txuas ntaub ntawv cryptanalyst, leej twg yuav nyeem thiab hloov cov lus ntawm yuav. Ntxiv mus, tsis muaj ntawm cov Correspondents yuav tsis to taub (nrog rau cov kev sab ntawm yam) hais tias nws yog tsis qhia nws tus khub tam.

Mobile pab kiag li lawm raws li tokens

Token - nws yog los ntawm tej kev txawv txawv lub? Puas muaj tej yam ntxwv nyob rau hauv kev sib piv nrog rau tus txheej txheem txoj kev? Lub mobile xam ntaus ntawv xws li ib tug smartphone, los yog ntsiav tshuaj tej zaum yuav siv tau raws li ib tug token. Lawv kuj muab ob tug authentication, uas tsis yuav tsum tau ib tug neeg lossi nqa ib tug ntau lub cev txheej txheem. Part manufacturers los tsim daim ntaub ntawv uas yog tokens, thaum ntsia rau ib tug mobile ntaus ntawv, thiab tsim kom muaj ib tug cryptographic tseem ceeb. Cov tshuaj no kom ib theem siab ntawm kev ruaj ntseg, xws li mus tshem tawm qhov teeb meem ntawm "txiv neej nyob rau hauv nruab nrab". Tam sim no peb muaj peev xwm hais tias tej ntaub ntawv hais txog lub token - dab tsi nws yog ib thiab yuav ua li cas lub - koj paub.