Rauruaj ntseg khoom authentication systems, tsis muaj ib qho "zoo tshaj NFC nti" nyob rau hauv txhua rooj plaub-tab sis muajyog cov thawj coj kev lag luam meej, thiab qhov kev xaiv zoo tshaj plaws yog nyob ntawm seb koj qhov kev tiv thaiv tiv thaiv - cov kev cai cuav yog li cas.
Ntawm no yog qhov ua tau zoo, kev lag luam - tsom kev tawg.
Sab saum toj -tier NFC chips rau kev tiv thaiv- cov tshuab cuav
1. NTAG 424 DNA -Qhov zoo tshaj plaws zuag qhia tag nrho rau cov khoom authentication
Qhov no yog tam sim no ib qho ntawm feem ntau siv chips rausiab -kev ruaj ntseg NFC tiv thaiv- cuav.
Vim li cas nws thiaj suav tias yog "zoo tshaj plaws hauv chav kawm":
AES-128 encryption (muaj zog cryptography)
Dynamic ruaj ntseg authentication (SUN lus)
Txhua tus kais generates acim, hloov code
Anti-cloning los ntawm kev tsim (tsis muaj cov lus teb zoo li qub)
Ua - nyob rau hauv kev ruaj ntseg kev xa xov rau huab pov thawj
Siv hauv:
Khoom kim heev authentication
Pharmaceutical traceability
High- khaub ncaws & tshuaj pleev ib ce
Hom kev tiv thaiv tshuab
Qhov zoo tshaj plaws sib npaug ntawm kev ruaj ntseg + nqi + scalability
2. MIFARE DESFire EV2 / EV3 -Qhov zoo tshaj plaws rau kev lag luam - qib ecosystems
Feem ntau siv nyob rau hauvkev tswj hwm + kev ruaj ntseg ntawm tus kheej, tab sis kuj siv rau kev ruaj ntseg khoom.
Lub zog:
Muaj zog crypto txiaj heev (AES / 3DES)
Cov ntaub ntawv hloov tau yooj yim (xws li kev ruaj ntseg mini OS)
Cov ecosystem loj heev
Tsis muaj zog:
Ntau txoj hauv kev los siv rau cov khoom lag luam yooj yim tagging
Overkill rau kev siv cov ntaub ntawv pov thawj ntawm cov neeg siv khoom yooj yim
Qhov zoo tshaj plaws thaum NFC yog ib feem ntawm aloj dua kev ruaj ntseg infrastructure
3. NTAG 213 / NTAG 215 -Tsis muaj kev ruaj ntseg (tsuas yog rau cov ntawv cim npe)
Cov no feem ntau tshwm sim tab sis:
Tseem ceeb:
Tsis muaj kev tiv thaiv crypto tiag tiag -cloning tiv thaiv
Cov ntaub ntawv feem ntau tuaj yeem luam tawm
Haum tsuas yog rau:
URLs
Kev lag luam tag
Yooj yim NFC kev sib cuam tshuam
Tsis pom zoo rau kev tiv thaiv -cov tshuab cuav
4. Ultralight EV1 / EV2 -nruab nrab - theem kev ruaj ntseg
Qee qhov kev lees paub tseeb
Tseem tsis muaj zog dua NTAG 424 DNA
Siv rau hauv daim pib tsheb thauj mus los, kev tshwm sim validation
Dab tsi tiag tiag ua rau nti "anti-clone"
Lub nti ib leeg tsis txaus. Cov tshuab muaj zog xav tau:
✔ Cov khoom ruaj ntseg hauv nti
Secret key yeej tsis tawm nti
Kho vajtse-raws li encryption
✔ Dynamic authentication (tseem ceeb)
Txhua scan ua ib qho txawv cryptographic tso zis
Tiv thaiv replay tawm tsam thiab cloning
✔ Backend pov thawj qhov system
Huab tshawb xyuas qhov tseeb hauv lub sijhawm
Tshawb pom cov cim npe duplicated lossis tsis txaus ntseeg
✔ Cim rau - yam khoom yog tus kheej
Txhua yam khoom=tus yuam sij tshwj xeeb + UID + cov ntaub ntawv hauv cov ntaub ntawv
Tiag -kev coj ua zoo tshaj plaws hauv ntiaj teb (cov hom twg siv tiag tiag)
Cov tshuaj tiv thaiv loj tshaj -cov tshuab cuav siv:
NTAG 424 DNA + cloud authentication platform
Ntxiv:
Luam QR fallback code
Serial tooj txuam
Optional blockchain lossis traceability ledger
Kev pom zoo yooj yim
Yog koj lub hom phiaj yogProduct authentication / tiv thaiv- cuav:
Best choice: NTAG 424 DNA
Enterprise systems: DESfire EV2/EV3
Avoid: NTAG 213/215 for security use case