Proximity Card Vs Smart Card: Kusiyana Kwakukulu, Zowopsa Zachitetezo, Ndi Momwe Mungasankhire
Jul 17, 2026
Siyani uthenga
Bukuli likufotokoza momwe khadi lililonse limagwirira ntchito, pomwe ma prox makhadi amalephera pachitetezo, momwe mungadziwire mtundu womwe mukuyendetsa pano, kukweza komwe kumawononga ndalama zambiri, komanso ukadaulo uti womwe umagwirizana ndi chilengedwe.
Momwe Khadi Lapafupi Limagwirira Ntchito
Khadi loyandikira ndi chitsimikiziro chokhazikika, chosalumikizana chomwe chikugwira ntchito pa125 kHz(mafupipafupi otsika). Gwirani imodzi pafupi ndi chowerenga chomwe chimagwirizana ndipo gawo lamagetsi la owerenga limapereka mphamvu mlongoti wamkati wa khadi. Chip imadzuka, imaulutsa nambala yozindikiritsa yokhazikika - nthawi zambiri khodi ya malo ndi nambala yamakhadi yosungidwa mumtundu wa 26-bit Wiegand - ndipo imakhala chete. Palibe batire, palibe kulumikizana, palibe kulumikizana kupitilira kuwulutsa kumodzi.
Khadi limasunga zochepa kwambiri: pafupifupi ma bits 64 a data, okwanira zizindikiritso ziwirizo ndipo palibe china chilichonse. Palibe kuthekera kokonza ndipo palibe kubisa. Chidziwitso chomwechi chimaperekedwa nthawi iliyonse khadi ikalowa mugawo lililonse la 125 kHz - kuphatikizapo yopangidwa ndi woukira. Ulalo wowerenga-mpaka{7}}ku controller communication link (Wiegand protocol) nawonso sunabisike.
125 kHz makadi oyandikiranthawi zambiri amabwera ngati -kadi{1}}makadi a PVC akulu akulu kapena ma compact key fobs. Ndiotsika mtengo komanso ndi osavuta kuyiyika - imodzi-kukhazikitsa chowerengera sikufuna khadi-kukhazikitsa pulogalamu yam'mbali. Kuphweka kumeneku ndi chifukwa chake akhala nthawi yayitali pamsika, ngakhale kuti chitetezo chawo chakhala chovuta kunyalanyaza.
Ntchito wamba: kulowa m'manyumba, zotchinga zoimika magalimoto, zokhotakhota, ndi malo aliwonse pomwe cholinga ndikulowetsa zitseko m'malo motsimikizira kuti ndi ndani.
Momwe Smart Card Imagwirira Ntchito - Ndi Chifukwa Chake Ili Yosiyana Kwambiri
Smart card imagwira ntchito pa13.56 MHz(ma frequency apamwamba) ndipo ili ndi cholumikizira chophatikizika - osati chozungulira komanso chopanda kanthu. Zikawonetsedwa kwa owerenga omwe amagwirizana, zida ziwirizi zimagwirana chanza mwachinsinsi data isanasinthe. Khadiyo imawerengera mayankho kuzovuta za owerenga, wowerenga amachitanso chimodzimodzi, ndipo palibe mbali iliyonse yomwe imatumiza ID yokhazikika yomwe ingabwerezedwenso pambuyo pake.
Chifukwa kuwerengera kumachitika pa khadi lokha, chidziwitso chodziwika bwino sichiyenera kuchoka m'mawonekedwe owerengeka. Wowerenga amalandira umboni wachinsinsi wosonyeza kuti ndi ndani. Kutsimikizika kwapawiri uku, kulibe konse pamakina a prox card, ndiye maziko a chitetezo cha makadi anzeru.
Makhadi anzeru amasunganso kwambiri kuposa prox card - nthawi zambiri 2 KB mpaka 72 KB kutengera chip - ndi kuthandizira kangapo pa nthawi imodzi. MmodziISO 14443A Smart khadiikhoza kukhala ndi mbiri yofikira mnyumba, satifiketi yolowera kumalo ogwirira ntchito, mbiri yolipirira malo odyera, komanso nthawi-ndi{1}}mbiri ya opezekapo. Makhadi a Prox sangagwire chilichonse mwa izo.
Muyezo waukulu wowongolera makhadi anzeru ndiISO/IEC 14443- zomwe zimagwiritsidwa ntchito ndi makadi olipirira opanda kulumikizana. Mabanja amtundu wamba akuphatikizapo MIFARE Classic, MIFARE DESFire EV2/EV3, ndi HID iCLASS. Chidziwitso chimodzi pa MIFARE Classic: ofufuza a pa yunivesite ya Radboud anasonyeza mu 2008 kuti Crypto{7}}1 cipher akhoza kukumana ndi vuto lalikulu{11}}kuchira. DESFire EV2 ndi EV3 amagwiritsa ntchito encryption ya AES ndipo ndi njira yotetezeka ya m'badwo wapano pakutumiza kwatsopano.
Makhadi anzeru amapezeka ngati makhadi a PVC, ma key fobs, ndi - m'malo azachipatala ndi zochitika - zomangira m'manja.RFID wristbandszomangidwa pa 13.56 MHz smart card chips zimagwiritsidwa ntchito ngati zomangira ana m'zipatala, malo ochitira masewera olimbitsa thupi, ndi m'misasa yachilimwe, komwe ogwira ntchito amafunikira kulumikizidwa bwino komanso chitsimikizo chodalirika cha ana omwe sangathe kuyang'anira khadi.
Kusiyanitsa Kwakukulu Pakungoyang'ana
| Mbali | Khadi Yapafupi | Smart Card |
|---|---|---|
| pafupipafupi | 125 kHz (LF) | 13.56 MHz (HF) |
| Zida zamkati | Koyilo yokhazikika + yoyambira IC | Microprocessor + mlongoti |
| Kubisa kwa data | Palibe | AES / 3DES |
| Kukhoza kukumbukira | ~ 64 pa | 2 KB - 72 KB |
| Kutsimikizirana | Ayi | Inde |
| Zowerengera-ku{1}}zolamulira | Wiegand (osadziwika) | OSDP (encrypted) kapena Wiegand |
| Zambiri-zothandizira pamapulogalamu | Ayi | Inde |
| Kuopsa kwa cloning | Wapamwamba | Zotsika kwambiri |
| Kuchotsa umboni wakutali | Ayi (pamanja,{0}}pakhomo lililonse) | Inde (dongosolo-lonse) |
| Pafupifupi. pa-mtengo wakhadi | $1–$5 | $2–$20+ |
Zolemba ziwiri zomwe zili patebulolo zikuyenera kumveketsa bwino.OSDP (Open Supervised Device Protocol)ndikusintha kwamakono kwa Wiegand pa owerenga-ku-kuwongolera ulalo. Makadi ambiri a prox amagwiritsa ntchito Wiegand - serial protocol yosungidwa m'ma 1980s. OSDP ilowa m'malo ndi AES-128-encrypted, bidirectional communication. Owerenga makhadi anzeru okhala ndi chithandizo cha OSDP amatseka chiwopsezo cha Wiegand, osati kungotengera makhadi okha.Kubweza kwakutalindi mwayi wina wosayamikiridwa: khadi lanzeru litatayika kapena wogwira ntchito achoka, kasamalidwe ka makadi kangathe kuletsa chitsimikiziro pazitseko zonse nthawi imodzi. Chidziwitso cha prox card chiyenera kuchotsedwa pawokha pankhokwe iliyonse ya woyang'anira - ndipo ngati sitepeyo yachedwetsedwa, mbiriyo imakhalabe ikuchitika.
Kusiyana kwa Chitetezo: Momwe Zowopsa Zimawonekera
Vuto lalikulu la makhadi oyandikira ndilomanga. Amaulutsa ID yokhazikika, yosasinthika kugawo lililonse lamagetsi lamagetsi la 125 kHz - kuphatikiza imodzi yomwe wowukirayo amapanga. Ma vectors atatu ogwira ntchito amatsata mwachindunji pamapangidwewo:
Kadi cloning.Zipangizo zowerengera / kulemba za 125 kHz ndizogulitsa ndipo ndizosavuta kugwiritsa ntchito. Kuwerenga mbiri ya prox card kumatenga masekondi; kulembera ku khadi lopanda kanthu kumatenganso zochepa. Chotsatizanacho ndi magetsi osadziwika bwino ndi choyambirira. Wokhala ndi khadi alibe chosonyeza kuti zidachitika, ndipo chipika chofikira chikuwonetsa jambulani wamba.
Kuthamangitsidwa kwa Wiegand.Ngakhale kupanga makhadi kukanaletsedwa mwanjira ina, ulalo wa Wiegand pakati pa owerenga ndi owongolera amatumiza momveka bwino. Kachipangizo kakang'ono kamene kamayikidwa mkati kapena kuseri kwa mpanda wa owerenga - osaoneka, pakati pa khoma ndi owerenga - akhoza kulemba mwakachetechete umboni uliwonse umene wadutsa. Palibe kusokoneza kowoneka, palibe chenjezo ladongosolo.
Palibe kubweza basi.Monga taonera pamwambapa, mbiri ya prox ya munthu wakale-imakhalabe yovomerezeka mpaka wina atachotsa pawokha kwa wowongolera aliyense. Mpata umenewo nthawi zambiri umayesedwa m'masiku kapena masabata pochita.
Kuukira kwa makhadi oyandikira sikugwira ntchito. Chidziwitso chophatikizika chimapanga zolemba zofikira zofananira ndi za ogwiritsa ntchito ovomerezeka. Palibe zosokoneza, palibe chenjezo, ndipo nthawi zambiri palibe kufufuza mpaka china chake chiyambitse kuwunikiranso. Ndilo gawo lomwe silikuwonekera m'mapepala odziwika.
Kwa mabungwe omwe akuyang'ana chitetezo chanthawi yomweyo cha makhadi ovomerezeka osungidwa mu wallet, anRFID kutsekereza khadiimapereka zochepetsera kusanthula kwamwayi - ngakhale sizikuthandizira kuthana ndi vuto la Wiegand kumbali ya owerenga.
Momwe Mungadziwire Khadi Limene Muli nalo Panopa
Musanakonzekere kukweza kulikonse, muyenera kudziwa ukadaulo womwe ukuyenda munyumba yanu.
Khwerero 1 - Jambulani foni yam'manja.Ikani Zida za NFC (zaulere, Android) ndikugwirani khadi kumbuyo kwa foni. Ngati pulogalamuyo imawerenga chip chilichonse, ndi 13.56 MHz smart card. Ngati palibe chomwe chingachitike, ndi pafupifupi 125 kHz prox khadi, yomwe Android NFC singawerenge.
Khwerero 2 - Kuyang'ana mwakuthupi.Gwirani khadi pansi pa kuwala kwamphamvu. Makhadi anzeru nthawi zambiri amawonetsa mizere yocheperako mkati - mthunzi wa koyilo ya tinyanga ndi chip layer. Makhadi a prox amawoneka ofanana. Padi yowoneka yagolide kapena siliva kumaso ikuwonetsa kutha kwa-mode smart card, yodziwika pamakhadi a PIV aboma.
Khwerero 3 - Tsamba la owerenga.Yang'anani nambala yachitsanzo ya owerenga omwe mwayika. Tsamba la data lilemba ma frequency omwe athandizidwa. "125 kHz," "HID Prox," "EM4100," kapena "TK4100" amatanthauza prox. "13.56 MHz," "MIFARE," "ISO 14443," kapena "iCLASS" amatanthauza khadi lanzeru. Ngati zonse ziwoneka, muli kale ndi -mafuridwe a hardware.
Mtengo: Kuwona Yeniyeni
Ziwerengero zonse ndi pafupifupi 2024-2025; tsimikizirani mitengo yamakono ndi mavenda musanapange bajeti.
- 125 kHz makadi oyandikira: $1–$5 pa khadi
- Makhadi anzeru a MIFARE Classic: $2–$6 pa khadi
- MIFARE DESFire EV3 / iCLASS SEOS: $6–$20+ pa khadi
- Owerenga makadi oyandikira: $50–$200 pakhomo
- Owerenga makadi anzeru: $80–$300 pakhomo
- Pawiri-owerenga pafupipafupi(werengani mitundu yonse ya makadi): $100–$400 pakhomo
Pa- kusiyana kwa mtengo wa makadi pakati pa prox ndi kulowa{1}}makadi anzeru ndi ocheperako kuposa momwe anthu ambiri amayembekezera - pafupifupi $1–$3 pachidziwitso chilichonse. Mtengo wokulirapo wakutsogolo ndi hardware ya owerenga. Ichi ndichifukwa chake owerenga apawiri-owerenga pafupipafupi ndiwo poyambira nthawi zambiri osamuka: ma prox makadi omwe alipo akugwirabe ntchito pomwe makadi anzeru amaperekedwa mofananiza, kupewetsa kusokoneza kulikonse.
Kuwerengera ndalama zonse kukufunikanso kuphatikizirapo mtengo wachitetezo cha prox card - kusintha mbiri, kufufuza, ndi malipoti ovomerezeka. Chiwerengerochi chikhoza kupitirira zaka zambiri za ndalama za smart card infrastructure.
Ndi Tekinoloje Iti Yogwirizana ndi Malo Ati?
Chisamaliro chamoyo.Makhadi anzeru ndi chisankho chothandiza. Malo azachipatala amafunikira kuwongolera kolowera mwakuthupi (zipinda zamankhwala, malo oletsedwa) komanso kuwongolera koyenera (kulowa m'malo ogwirira ntchito a EHR) paumboni womwewo. Zofunikira zowunikira za HIPAA zimagwirizana ndi kudula mitengo mwanzeru.Owerenga owongolerazomwe zimathandizira ntchito zonsezi ndizokhazikika muzomanga zamakono zamakono. M'zipinda za ana ndi amayi oyembekezera, zomangira za ana a RFID m'manja pogwiritsa ntchito tchipisi ta makadi anzeru amalola ogwira ntchito kuti azitsata odwala ndi kupewa kutuluka popanda chilolezo - kugwiritsa ntchito mwachindunji malo omwewo.
Boma.Makhadi a PIV (Personal Identity Verification), ofunikira pansiFIPS 201kwa ogwira ntchito m'boma omwe amapeza machitidwe aboma, ndi makadi anzeru. Makhadi oyandikira sakukwaniritsa HSPD-12 kapena zolowa m'malo mwake. Mabungwe omwe si aboma omwe amagwira ntchito mogwirizana ndi zofunikira zofananira ayenera kutsatira njira yomweyo.
Maphunziro apamwamba.Mayunivesite nthawi zambiri amagwiritsa ntchito khadi limodzi polowera m'holo yogona, laibulale, ziphaso zapaulendo, ndi mapulani a chakudya. MmodziMIFARE 1K smart khadiakhoza kusamalira zingapo mwa izi nthawi imodzi. Makhadi ovomerezeka sangathe.
Bizinesi yamakampani.Mabungwe omwe ali pansi pa SOC 2 Type II kapena ISO 27001 akuyenera kukhala ndi makadi anzeru. Wiegand{{3}makina a prox akuchulukirachulukira pakuwunika kwachitetezo chifukwa chosakwanira malo omwe akugwira data yoyendetsedwa.
Malonda-achiwopsezo ochepa.Ofesi yaing'ono, nyumba yosungiramo katundu imodzi, kapena malo osungiramo zinthu opanda data yachinsinsi pazitseko - makadi ovomerezeka amakhalabe okwera mtengo-akugwira ntchito pano. Njira yowopsezayo siilungamitsa ndalama zoyendetsera makadi anzeru pamlingo uwu.
Kukonzekera Kusamuka: Njira Zisanu Zomwe Zimagwira Ntchito
Kung'amba-ndi{1}}kuchotsa sikofunikira. Mabungwe ambiri amasamuka pang'onopang'ono pogwiritsa ntchito zida zapawiri-zomwe zimapangitsa kuti zidziwitso zomwe zilipo kale zitsimikizike pomwe zatsopano zikuyambitsidwa.
1. Unikani dongosolo lanu.Kokani mapepala apadera a wowerenga aliyense pamalopo. Dziwani kuti ndi oyang'anira zitseko ati omwe amagwiritsa ntchito Wiegand motsutsana ndi OSDP, ndi owerenga omwe ali ndi firmware-okhoza kusintha. Lembani makhadi onse omwe akugwiritsidwa ntchito.
2. Ikani owerenga poyamba.Ikani ma motelo-awiri pafupipafupi pakhomo lililonse.Maupangiri-awiri kawirindipo owerenga amalola makadi a prox kuti azigwirabe ntchito nthawi yonseyi - palibe chosokoneza pa nthawi yotulutsa.
3. Perekani makadi anzeru kwa anthu amene ali pachiwopsezo choyamba- choyamba.Akuluakulu, oyang'anira IT, chipinda cha seva ndi zopezera data center - izi ziyenera kusamutsidwa mu wave one. A13.56 MHz kiyi fobamagwira ntchito komanso mtundu wamakhadi kwa ogwiritsa ntchito omwe amakonda.
4. Khazikitsani deti lolowera dzuwa.Nenani za tsiku lenileni - nthawi zambiri kuyambira masiku 90 mpaka 180 - pambuyo pake zotsimikizira za 125 kHz sizidzalandiridwanso. Anowerenga olembetsaimathandizira kutulutsa kochulukira kwa otsala otsala.
5. Zimitsani 125 kHz pawiri-zowerenga pafupipafupi.Ogwiritsa ntchito onse akakhala ndi makadi anzeru, konzani owerenga kuti akane-zidziwitso zotsika. Izi zimatseka malo achitetezo a prox card mpaka kalekale.
Kwa mabungwe omwe ali m'malo oyendetsedwa,NIST SP 800-116 Rev. 1imapereka chitsogozo chatsatanetsatane cha PIV-mapologalamu ovomerezeka ndi omveka.
Nanga Bwanji Zolemba Zam'manja?
Zizindikiro za m'manja - zosunga ziphaso zolowera pa foni yam'manja kudzera pa NFC kapena Bluetooth Low Energy - zikuchulukirachulukira m'mabizinesi. Mlandu wogwirira ntchito ndi wowona: zidziwitso zitha kuperekedwa, kusinthidwa, ndi kuchotsedwa patali osakhudza khadi, zomwe zimafunikira mabungwe omwe amayang'anira ntchito zazikulu kapena zogawidwa.
Zogulitsazo zimakhalanso zenizeni. Zidziwitso za foni yam'manja zimatengera momwe batire la chipangizocho lilili, kuyenderana ndi OS, ndi zomangamanga za MDM. Sanafike ponseponse pamalo otetezedwa kapena-zitetezo zapamwamba. Kwa mabungwe ambiri pakali pano, makadi anzeru amakhalabe otsimikizika - otetezeka kwambiri kuposa makadi a prox, ogwirizana kwambiri kuposa mafoni-okha otumizidwa, ndipo amathandizidwa ndi owerenga okhwima komanso mapulogalamu oyang'anira.
FAQ
Q: Kodi khadi loyandikira lingapangidwe popanda mwini makhadi kudziwa?
A: Inde. Chifukwa makadi a prox amaulutsa chizindikiritso chosabisidwa kumalo aliwonse ogwirizana, wowerenga 125 kHz yemwe ali pafupi ndi mwini makhadi - mu elevator kapena pamalo pomwe pali anthu ambiri - akhoza kuwerenga ndi kulemba mbiriyo popanda kukhudza. Zida zokopera za RFID zomwe zimapezeka pamalonda zimatha kulemba chitsimikiziro chimenecho ku khadi yopanda kanthu. Njirayi imasiya tsatanetsatane, ndipo mwiniwakeyo alibe chizindikiro kuti zinachitika.
Q: Kodi makadi oyandikana nawo ndi ofanana ndi makhadi a RFID?
A: Makhadi oyandikira ndi kagawo kakang'ono ka RFID - makamaka 125 kHz low-frequency RFID. Anthu amene ali ndi mwayi wopezerapo mwayi asiyanitsa "makadi a RFID" ndi "makadi oyandikira," nthawi zambiri amatanthauza kusiyana pakati pa makadi amakono a 13.56 MHz (obisika, -mapulogalamu) ndi makadi ovomerezeka a 125 kHz (osadziwika, ID okha). Physics yapansi ndi yofanana; luso ndi chitetezo mbiri si.
Q: Kodi khadi lanzeru lidzagwira ntchito powerenga makhadi oyandikira?
A: Ayi. Khadi lanzeru la 13.56 MHz lili kunja kwa ma frequency a 125 kHz owerenga - ndipo satha kulumikizana ndi mnzake. Mabungwe omwe akusintha pakati pa matekinoloje awiriwa amafunikira owerenga omwe amathandizira ma frequency onse nthawi imodzi, makamaka panthawi yakusamuka.
Q: Kodi clamshell card - ndi prox kapena smart card?
A: Khadi la clamshell ndi mtundu wa nyumba, osati ukadaulo. Amatanthauza mpanda wolimba wa PVC womwe umateteza zomwe zili mkati mwa - zothandiza kumafakitale kapena kunja. Makhadi oyandikira a Clamshell amathamanga pa 125 kHz; Makhadi anzeru a mpanda womwewo amathamanga pa 13.56 MHz. Nyumbayo sikusintha pafupipafupi kapena chitetezo chazomwe zili mkati.
Q: Kodi khadi lakubanki losalumikizana ndi khadi lanzeru?
A: Mwaukadaulo, inde. Makhadi olipira osalumikizana nawo amagwiritsa ntchito 13.56 MHz ndi muyezo wa EMV pansi pa ISO/IEC 14443 - ma frequency ndi mafotokozedwe ofanana ndi makadi anzeru owongolera mwayi wofikira. Ma protocol ogwiritsira ntchito ndi makiyi a cryptographic ndi okhudzana ndi malo olipira, kotero palibe kugwirizana ndi machitidwe olowera pakhomo. Koma ukadaulo wa chip wapansi ndi gulu lomwelo.
Q: Ndingadziwe bwanji khadi yomwe ndili nayo ngati ndilibe wowerenga NFC?
A: Yang'anani owerenga omwe adayikidwa pakhomo lanu. Tsamba la data lachitsanzo lilemba ma frequency omwe athandizidwa. Kutchula "125 kHz," "HID Prox," "EM4100," kapena "TK4100" kumatsimikizira makina oyandikira. Ngati muwona "13.56 MHz," "MIFARE," "ISO 14443," kapena "iCLASS," malo anu ovomerezeka ali ndi makadi anzeru-. Ngati zonse zikuwonekera, muli kale ndi{10}}maulendo apawiri.
Pansi Pansi
Makhadi oyandikira anali omveka pamene adapangidwa. Ndizosavuta, zolimba, komanso zotsika mtengo - komanso m'malo omwe anthu ambiri-anthu amakhala owopsa, zimakhalabe choncho. Malo achitetezo ozungulira iwo asintha. Kupanga prox khadi tsopano kumawononga madola khumi ndipo kumatenga mphindi. Asymmetry imeneyo ndizovuta kulungamitsa malo aliwonse oteteza zinthu zomwe zili zofunika.
Makhadi anzeru si kukweza komwe kumangoperekedwa ndi mabizinesi. Kulowa-makadi anzeru a MIFARE amangokwera pang'ono pa unit iliyonse kuposa ma prox cards, ndipo kusiyana kwa mtengo wa owerenga kumatheka ndi ma hardware aŵiri-awiri omwe amapangitsa kusamukako{3}}kusakhale kosokoneza. Chofunikira choyamba ndikuwunika moona mtima zomwe zili kumbuyo kwa zitseko zanu - komanso ngati chitsimikiziro chomwe chingakopedwe mwakachetechete mumsewu ndi chida choyenera kuchiteteza.
Pazifukwa zovomerezeka pamtundu uliwonse - kaya makadi okhazikika,RFID key fobs, kapenazikopa za siliconepazachipatala ndi zochitika zina - Syntek imapereka mawonekedwe a 125 kHz ndi 13.56 MHz m'mabanja onse akuluakulu a chip. Lumikizanani ndi gulu kuti mukambirane zomwe mukufuna.
Tumizani kufufuza