Video: JWT tau txheeb xyuas li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
JWT los yog JSON Web Token yog ib txoj hlua uas xa hauv HTTP thov (los ntawm tus neeg siv khoom mus rau tus neeg rau zaub mov) kom siv tau qhov tseeb ntawm tus neeg siv khoom. JWT yog tsim nrog tus yuam sij zais cia thiab tus yuam sij zais cia yog tus kheej rau koj. Thaum koj tau txais ib JWT los ntawm tus neeg siv khoom, koj tuaj yeem ua tau txheeb xyuas uas JWT nrog no tus yuam sij zais cia.
Tsis tas li ntawd, JWT lees paub ua dab tsi?
Ua yog li tso cai rau koj lees paub tias lub token tau muab los ntawm koj tus neeg rau zaub mov thiab tsis raug hloov kho. Thaum lub cim kos npe, nws yog "tsis muaj neeg nyob": qhov no txhais tau tias koj tsis xav tau cov ntaub ntawv ntxiv, tsis yog tus yuam sij zais cia, txheeb xyuas tias cov ntaub ntawv hauv lub token yog "muaj tseeb".
Tom qab ntawd, lo lus nug yog, JWT puas tuaj yeem raug nyiag? JWT , los yog JSON Web Tokens, yog tus qauv defacto hauv niaj hnub web authentication. Nws yog siv nyob txhua qhov chaw: los ntawm kev sib ntsib mus rau token-raws li kev lees paub hauv OAuth, rau kev lees paub kev cai ntawm txhua daim duab thiab cov ntawv. Txawm li cas los xij, ib yam li txhua yam cuab yeej technology, JWT tsis tiv thaiv kab mob nyiag nyiag.
Kuj nug, JWT tuaj yeem siv rau kev lees paub?
JWTs ua tau ua siv as ib kev lees paub mechanism uas ua tsis xav tau database. Lub server ua tau tsis txhob siv lub database vim cov ntaub ntawv khaws cia hauv lub JWT xa mus rau tus neeg siv khoom muaj kev nyab xeeb.
Vim li cas JWT tsis ruaj ntseg?
Cov ntsiab lus hauv json web token ( JWT ) yog tsis yog nyob rau hauv ruaj ntseg , tab sis muaj ib tug built-in feature rau kev txheeb xyuas token authenticity. Lub asymmetric xwm ntawm pej xeem tus yuam sij cryptography ua JWT kos npe pov thawj tau. Tus yuam sij pej xeem txheeb xyuas a JWT tau kos npe los ntawm nws tus yuam sij ntiag tug.
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