MIFARE Vs Makhadi Oyandikira: Chitetezo, Kugwirizana Ndi Kusamuka

Mu bukhuli,pafupi khadikutanthauza mbiri ya 125 kHz yomwe imadziwika kuti ndi prox card mu mphamvu yolowera. Mwachitsanzo, HID's Proximity portfolio ili m'malo ngati 125 kHz low-frequency physical-mabanja ovomerezeka.Zambiri za HID Proximityimapereka chitsanzo chamakampani amakono. :contentReference[oaicite:13]{index=13}

MIFARE ndi yosiyana. Ndi banja la NXP la zinthu zamakhadi anzeru-zozikidwa mozungulira ukadaulo wa ISO/IEC 14443 ndipo zimagwiritsidwa ntchito m'mapulogalamu kuphatikizapo kasamalidwe ka mwayi. Dzina la MIFARE limakhudza mabanja angapo ogulitsa m'malo mwa chip chimodzi kapena gawo limodzi lachitetezo.Mbiri ya MIFARE ya NXPpanopa zikuphatikiza Classic, Plus, DESFire ndi zina MIFARE nsanja. :contentReference[oaicite:14]{index=14}

Kuti tifananize mozama magawo awiri a-magawo anthawi zonse, malangizo a Syntek ku125 kHz vs 13.56 MHz kupeza-zidziwitso zowongoleraimapereka nkhani yowonjezera.

Dongosolo losankhira lothandiza ndi: owerenga oyikiridwa → umisiri wotsimikizika weniweni → chizindikiritso kapena chidziwitso chakugwiritsa ntchito → njira yotsimikizira → mtundu wachitetezo → pulani yakusamuka → ndondomeko yopangira.

MIFARE vs Makhadi Oyandikira: Kuyerekezera Mwamsanga

Mzere wachitetezo ndiwomwe ukhoza kukhala wosavuta kwambiri. MIFARE siyenera kuwonedwa ngati "khadi{1}}yapamwamba yachitetezo." Classic, Plus ndi DESFire ali ndi mamangidwe osiyanasiyana ndi kuthekera, ndipo momwe njira yolumikizira imagwiritsidwira ntchito izi ndizofunikira monga dzina la chip.

Kodi "Proximity Card" Imatanthauza Chiyani mu Access Control?

M'chilankhulo chaukadaulo, kuyandikira kungathe kufotokozera mwachidule-kulumikizana kopanda kulumikizana. Pogula mwakuthupi, komabe, "prox card" nthawi zambiri amatanthauza mbiri ya 125 kHz.

Njira yosavuta yofikira cholowa ingawoneke motere:

125 kHz mbiri → wowerenga wogwirizana → nambala kapena mtundu → chowongolera → chosankha chofikira

Tsatanetsatane wofunikira pakugula ndikuti "125 kHz" siyimalongosola zonse zovomerezeka. Woyang'anira atha kuyembekezeranso khadi linalake-kapangidwe ka manambala, malo/kodi yatsamba, mtundu wabiti kapena zowerengera.

Syntek imatchula zonse ziwiri125 kHz oyandikira clamshell makadindi yotakataRFID kupeza-makadi owongolera, koma kusankha kolowa m'malo kuyenera kuyambikabe kuchokera pa zowerengera zomwe zayikidwa ndi zowongolera m'malo motengera mawonekedwe a khadi.

Kodi MIFARE Card Ndi Chiyani?

MIFARE ndi banja lopanda kulumikizana la NXP, osati chidziwitso chapadziko lonse lapansi. Kusiyanitsa kumeneko kumafunika pakuwongolera mwayi wopeza chifukwa makhadi awiri okhala ndi dzina la MIFARE amatha kusiyanasiyana pakukumbukira, njira zotetezera, kutsimikizika ndi mtundu wa ntchito. :contentReference[oaicite:15]{index=15}

Ogula atha kuwonanso mwachidule za Syntek paRFID smart khadindi kupezeka kwakeMakhadi olowera a MIFAREpazachinthu-zomwe zili mulingo, koma mawu ofikira akuyenera kuzindikiritsa mtundu weniweni wamtundu ndi machitidwe ofunikira.

Kugwirizana kwa Owerenga Kumabwera Pamaso Pazokonda Zamakhadi

Wowerenga 125 kHz-okhawo sangagwirizane ndi mbiri ya 13.56 MHz MIFARE chifukwa makadi ali ndi miyeso ya ISO-yofanana.

Musanasinthe zidziwitso, sungani owerenga omwe adayikidwa ndikulemba:

• wopanga owerenga ndi chitsanzo;
• ma frequency othandizira kapena ma frequency;
• kuthandizira mabanja ovomerezeka;
• firmware kapena kasinthidwe ngati kuli koyenera;
• owerenga-ku{1}}mawonekedwe owongolera;
• khodi yaposachedwa ya malo/malo ndi mtundu wa makhadi ngati kuli koyenera;
• kutalika kwa chizindikiritso ndi mawonekedwe omwe akuyembekezeredwa ndi nsanja yofikira;
• kaya dongosololi limagwiritsa ntchito chizindikiritso cha anthu kapena deta yovomerezeka ya pulogalamu.

Syntek ndiRFID access-control readerpage ndiMalangizo ogwiritsira ntchito RFID pafupipafupiperekani zowonjezera zogulitsa ndi ma frequency.

Mafupipafupi Siwofanana ndi Mawonekedwe Ovomerezeka

Kufikira-kusuntha kwamphamvu nthawi zambiri sikulephera chifukwa zigawo ziwiri zosiyana za data zimatengedwa ngati zofanana.

Gawo loyamba ndi lovomerezeka-ku-kulumikizana kwa RF kwa owerenga. Khadi la 125 kHz ndi 13.56 MHz MIFARE khadi amagwiritsa ntchito matekinoloje a wailesi osiyanasiyana.

Chigawo chachiwiri ndi chomwe owerenga amapereka kwa wolamulira kapena nsanja yofikira. Mtengowo ukhoza kusinthidwa, kusinthidwa kapena kujambulidwa molingana ndi wowerenga ndi kupeza-kuwongolera kosinthidwe.

Makhadi awiri amatha kuwoneka kuti akupanga-zinambala zofananira pamapulogalamu pomwe sizingagwirizane ndi RF layer. Mosiyana ndi zimenezi, wowerenga watsopano akhoza kuzindikira bwino khadi la MIFARE koma akuwonetsabe chizindikiritso chake kwa wolamulira mumtundu wosiyana ndi womwe ukuyembekezeka ndi malo osungirako zinthu.

Mapu a Chizindikiritso Chozizira Asanatulutsidwenso Misa

"Sungani nambala yakhadi yomweyi" sikutanthauza kusamuka kwathunthu.

Musanalowetse kapena kupanga zidziwitso zatsopano, lembani momwe nsanja yofikira imayembekezera kuti zizindikiritso ziziyimiridwa. Kutengera ndi dongosolo, mafunso oyenera angaphatikizepo:

• Kodi gwero lake ndi UID, chizindikiritso cha pulogalamu kapena gawo lina?
• Ndiutali wotani wa chizindikiritso chomwe amavomerezedwa?
• Kodi mtengo wasungidwa ngati hexadecimal, decimal kapena chiwonetsero china?
• Kodi pulogalamuyo imagwira ntchito mwanjira inayake?
• Kodi ziro zotsogola zasungidwa?
• Kodi woyang'anira amayembekezera khodi ya malo/tsamba ndi-kugawanika kwa nambala?
• Kodi makadi apawiri-amawonetsa zinthu ziwiri zosiyana zomwe ziyenera kukhala ndi mbiri ya munthu yemweyo?

Zambirizi ziyenera kutengedwa kuchokera kumalo enieni ofikirako ndi kuvomerezedwa kwa kusamuka. Asamaganizidwe kuchokera pa nambala yosindikizidwa pa baji yakale.

Chitetezo Zimatengera Zomwe Dongosolo Limatsimikizira

Kufananiza "Kuyandikira sikungatetezeke; MIFARE ndi yotetezeka" ndi yotakata kwambiri kuti igwirizane ndi-chigamulo chowongolera.

Static Identifier Access

Ma prox ambiri omwe amatumizidwa ndi cholowa chake amagwiritsa ntchito chizindikiritso. Wowerenga amazindikira zovomerezeka ndipo amapatsira chozindikiritsa munjira-zowongolera.

Kukhazikika kwachitetezo kumadalira zambiri kuposa khadi: kasamalidwe ka zidziwitso, kapangidwe ka owerenga / owongolera, kuchotsedwa, kuyang'anira, chitetezo chathupi ndi kuwongolera kwa kayendetsedwe kazinthu zonse.

MIFARE Imagwiritsidwa Ntchito Pokha Ngati Chizindikiritso

IC yanzeru-makadi IC ingagwiritsidwebe ntchito m'chizindikiritso chosavuta{1}}chokhacho.

Ngati wowerengera angowerenga chizindikiritso chowonekera ndipo osachita zotsimikizira zotetezedwa kapena ntchito zotsatiridwa ndi umboni womwe wasankhidwa, pulojekitiyo sipeza basi mphamvu zonse zachitetezo zomwe zikupezeka pa chipangizocho.

Authenticate Smart-Card Application

Pulogalamu ya MIFARE yopangidwa bwino imatha kugwiritsa ntchito deta yotetezedwa, kutsimikizira, makiyi a cryptographic ndi mauthenga otetezeka komwe kumathandizidwa ndi chinthu chomwe mwasankha.

Zolemba zaposachedwa za NXP za MIFARE DESFire EV3 zili ndi mndandanda wa chithandizo cha AES, kugwiritsa ntchito-kutsimikizika kwamlingo, makiyi angapo ndi makiyi angapo omwe ali ndi chitetezo. Zomwezo zimadalirabe wowerenga, chinsinsi{3}}chitsanzo cha kasamalidwe ndi kachitidwe ka pulogalamu.NXP MIFARE DESFire EV3 zambiri zaukadauloamalemba zomwe zilipo za IC. :contentReference[oaicite:16]{index=16}

Chitetezo Ndi Katundu Wadongosolo, Osati Chip Label

NIST SP 800-98 imayang'ana chitetezo cha RFID ngati dongosolo-ndivuto la kapangidwe kake ndi kachitidwe kantchito m'malo mongolemba ma tag okha. TheMalangizo achitetezo a NIST RFIDimakhudza kukonzekera, kukhazikitsa ndi kugwiritsa ntchito machitidwe a RFID. :contentReference[oaicite:17]{index=17}

Kwa owerenga-ku-kuwongolera gawo, Security Industry Association'sTsegulani Supervised Device Protocolimathandizira kulumikizana koyang'aniridwa ndi Chitetezo cha Njira Yotetezedwa pakati pa-zida zowongolera. Upangiri waposachedwa wa SIA umalimbikitsa Secure Channel pomwe OSDP ikugwiritsidwa ntchito. :contentReference[oaicite:18]{index=18}

Syntek's guide toRFID data chitetezoakhoza kuthandizira zokambirana zachitetezo chamkati.

Mafunso Ofunika Kwambiri Ogula Ogula Ayenera Kufunsa

Pulojekiti ikadutsa kupitirira UID-okha, kasamalidwe kake kamakhala gawo lazogula.

Zomangamanga za NXP's DESFire EV3 zimathandizira makiyi angapo ogwiritsira ntchito ndi makiyi angapo, zomwe zikuwonetsa chifukwa chake "khadi limathandizira AES" si chidziwitso chokwanira kutanthauzira kutumizidwa. :contentReference[oaicite:19]{index=19}

Musanasinthire makonda anu kapena kupanga zambiri, fotokozerani:

• Ndani eni ake makiyi opanga ndi kugwiritsa ntchito?
• Ndani ali ndi chilolezo chopanga mbiri yanu?
• Kodi ogulitsa-owongolera, makasitomala{1}}owongolera kapena oyendetsedwa bwino mogwirizana angagwiritsidwe ntchito?
• Kodi makhadi amaperekedwa m'malo odziwika bwino?
• Kodi ziyeneretso zolowa m'malo zimaperekedwa bwanji?
• Kodi makiyi angasinthidwe maudindo kapena machitidwe asintha?
• Kodi makiyi omasulira ndi makonzedwe a pulogalamu amalembedwa bwanji?
• Kodi malo opangira, kuyesa ndi kukhalamo amalekanitsidwa bwanji?
• Ndani angabwezeretse pulogalamu yotsimikizira ngati wopereka makonda sakupezekanso?

Yankho limatengera mwayi-njira yowongolera ndi kamangidwe kachitetezo. Ogula sayenera kupempha, kusinthanitsa kapena kusunga makiyi opangira chinsinsi m'maspredishiti wamba kapena ulusi wa imelo.

MIFARE Classic, Plus ndi DESFire Ndi Zosankha Zosiyanasiyana Zogula

MIFARE Classic EV1

Mbiri ya NXPTsamba la MIFARE Classic EV1imatchula malonda ngati akugwira ntchito koma "osavomerezeka kwa mapangidwe atsopano" ndikulozera opanga kuti alowe m'malo mwatsopano. Izi sizikutanthauza kuti makina onse oyika Classic ayenera kusiya kugwira ntchito nthawi yomweyo; zikutanthauza kuti polojekiti yatsopano siyenera kusankha Classic chifukwa chakuti "MIFARE" ikumveka yatsopano kuposa 125 kHz Prox. :contentReference[oaicite:20]{index=20}

MIFARE Plus EV2

Zithunzi za NXPMIFARE Plus EV2monga njira yowonjezeretsa zotumizidwa zomwe zilipo kale. Mafotokozedwe ake apano akuphatikiza lingaliro la Security Level la kusamuka ndi kutsimikizika kwa AES-128 ndi mauthenga otetezeka pamilingo yachitetezo chapamwamba. :contentReference[oaicite:21]{index=21}

MIFARE DESFIRE EV3

DESFire EV3 idapangidwa kuti izikhala yotetezeka-kugwiritsa ntchito mapulogalamu ambiri ndipo imapereka kuthekera kophatikiza AES-128, kutsimikizika kogwirizana ndi kugwiritsa ntchito/makiyi osinthika. Kukhalapo kwa mphamvuzo sikutsimikizira kuti njira ina yofikira imagwiritsa ntchito; owerenga ndi thandizo la ntchito zimakhalabe zovomerezeka. :contentReference[oaicite:22]{index=22}

Kodi Muyenera Kuyandikira Liti 125 kHz, Ndipo Muyenera Kusuntha Liti?

Kukhala Pafupi Kungakhale Koyenera

Chidziwitso chachikhalidwe cha 125 kHz chikhoza kukhalabe chogwira ntchito ngati malo owerengera omwe adayikidwa ndi akulu komanso okhazikika, malo otetezedwa ali ndi njira yovomerezeka yachiwopsezo, kugwirizanitsa ndiye kofunika kwambiri pabizinesi, kapena tsambalo liyenera kusamuka pambuyo pake.

Kupitiliza ukadaulo wakale modziwa ndi kosiyana ndi kuganiza kuti kumapereka chitetezo chofanana ndi makina amakono anzeru-makadi anzeru.

Kusamukira ku MIFARE Kungakhale Zomveka

Chidziwitso choyenera cha MIFARE-chikhala chofunikira kwambiri polojekiti ikafunika data yotetezedwa ya pulogalamu, khadi lovomerezeka-kulumikizana ndi owerenga,{2}}kutha kugwiritsa ntchito-mapulogalamu ambiri, kasamalidwe kazinthu zamakono kapena njira yodziwikiratu{3}zokhazokha.

Chisankhocho chikufunikabe banja lenileni lazogulitsa ndi ntchito yothandizira. "MIFARE" palokha imakhala yotakata kwambiri kuti ikhale ndi RFQ.

Konzani Zosamuka M'magawo Asanu Olamuliridwa

Pomwe ukadaulo wosakanikirana umafunika panthawi yakusintha, Syntek imalemba aawiri-owerengera RFID pafupipafupindi aawiri-mafupipafupi RFID khadipakati pazinthu zake zofananira patsamba.

Zapawiri-Zidziwitso Zaukadaulo Zitha Kuchepetsa Kusokoneza

Ukadaulo wapawiri-ukhoza kuyika luso laukadaulo la 125 kHz ndiukadaulo watsopano wamakadi wa HF-pamakhadi owoneka omwewo.

Mbiri ya HIDMIFARE DESFire EV3 + Mbiri ya Proxndi chitsanzo chimodzi chenicheni chamakampani. HID imayiyika ngati njira yosungitsira kugwilizana ndi owerenga 125 kHz omwe adakhalako panthawi yosamukira ku DESFire-kutengera zomangamanga. :contentReference[oaicite:23]{index=23}

Izi sizikutanthauza kuti matekinoloje awiriwa amawulula chizindikiritso chimodzi kapena kugwiritsa ntchito njira imodzi yachitetezo. Dongosolo lofikira-likuyenera kufotokoza momveka bwino zozindikirika ku mbiri yomwe mukufuna kugwiritsa ntchito.

Ukadaulo wapawiri ndiwothandiza kwambiri ukakhala ndi dongosolo lotuluka. Tsamba likakhala kuti silikufunanso chithandizo cha 125 kHz, gulu losamuka liyenera kusankha ngati njira yolandirira akale ipitirire kuyatsidwa.

Zithunzi Zosamuka: Nyumba Zitatu Zamaofesi

Chochitika chotsatirachi ndi chowonetsera ndipo sichikuperekedwa ngati kasitomala.

Kampaniyo imagwiritsa ntchito nyumba zitatu zamaofesi. Building A ikadali ndi 125 kHz-owerenga okha. Building B ili ndi owerenga omwe atha kuthandizira mbiri yakale komanso umisiri watsopano wanzeru-makadi. Nyumba C yakwezedwa kale kukhala malo omwe mukufuna ku MIFARE.

M'malo mosintha khomo lililonse ndi baji iliyonse kumapeto kwa sabata limodzi, kampaniyo imalemba kaye wowerenga ndi khomo lililonse. Ogwira ntchito ochepa amalandira zidziwitso zapawiri-zaukadaulo. Panthawi yoyendetsa, malo osungiramo malo amajambula matekinoloje onse ovomerezeka ku akaunti yomweyo ya antchito, pamene gulu limatsimikizira kuti ndi gawo liti lomwe likuvomerezedwa panyumba iliyonse.

Woyendetsa ndege samatengedwa kuti ndi wopambana chifukwa baji yatsopano imatsegula Nyumba C. Gululi limatsimikiziranso kuti:

• zitseko za cholowa zikugwirabe ntchito pa nthawi yovomerezeka yosinthira;
• zidziwitso zatsopano zimatsimikizira monga momwe zimafunira pazitseko zokwezedwa;
• zizindikiro zochotsedwa zimakanidwa;
• makhadi olowa m'malo sasiya mbiri yakale ikugwira ntchito;
• Kujambula mapu sikumapanga zolemba zobwereza;
• Othandizira amatha kudziwa ngati vuto ndi khadi, owerenga, mapu kapena chilolezo chofikira.

Nyumba A ikasinthidwa ndipo ogwiritsa ntchito onse ofunikira asamuke, kuvomereza cholowa kumatha kuwunikidwanso kuti munthu apume pantchito m'malo mokhala wothandizidwa mpaka kalekale.

Tanthauzirani Njira Zovomerezera Kusamuka Musanatulutsidwe

Kuti mudziwe zambiri, onani kalozera wa SyntekRFID dongosolo kuyesa.

Vomerezani Zopanga-Zitsanzo Zofanana ndi Zovomerezeka

Woyendetsa kusamuka sayenera kudalira kokha khadi lachitukuko losasindikizidwa.

Zopanga-zitsanzo zofanana zikuyenera kuyimira zomwe akufuna mu:

• kwenikweni chip banja;
• chizindikiro cha mawonekedwe;
• chikhalidwe cha munthu;
• chizindikiritso/makonzedwe a pulogalamu;
• kusindikiza ndi kusintha deta;
• kuyanjana kwa owerenga;
• mapu a backend;
• m'malo ndi kubweza khalidwe.

Ngati kusindikiza kosinthika, manambala a antchito, ma QR code kapena zina zowoneka zikufunika, kalozera wa Syntek toRFID yosindikizaikhoza kuthandizira zojambulajambula ndi data-kupanga mafayilo.

Kuti muwunikenso gulu, chiwonetsero cha Syntek chazida zoyendera bwinoimapereka zopangira zina-QC.

Zomwe Muyenera Kutumiza Wogulitsa Makhadi Anu Musanayitanitsa

Mapulojekiti omwe amafunikira kupanga makhadi osinthika, kusindikiza, kusintha makonda kapena kupanga koyendetsedwa bwino atha kupitilira ku Syntek'sOEM ndi ODM kupangachidziwitso kamodzi kaukadaulo kafotokozedwe.

Zolakwa Zogula Wamba

Kuchita Khadi lililonse la 13.56 MHz ngati MIFARE-Logwirizana

Mafupipafupi samatanthawuza protocol yathunthu, banja la chip kapena kugwiritsa ntchito. Tsimikizirani owerenga ndendende ndi chithandizo chazidziwitso.

Kusamalira Khadi Lililonse la MIFARE Monga Lotetezedwa Mofanana

Classic, Plus ndi DESFire ali ndi mamangidwe osiyanasiyana achitetezo ndi mitundu yotumizira. NXP pakadali pano imayika Classic EV1 ngati yosavomerezeka pamapangidwe atsopano, pomwe Plus EV2 ndi DESFire EV3 imapereka kuthekera kosiyanasiyana kosamukira ndi chitetezo. :contentReference[oaicite:24]{index=24}

Kusintha Makhadi Opanda Mapu Ozindikiritsa Ozizira

Khadi lowerengeka limatha kulephera kupanga ngati wowerenga ndi wobwerera kumbuyo sakuvomereza kuyimira kwa UID, mtundu wamakhadi kapena mapu ogwiritsa ntchito.

Kugula Chip Chotetezedwa Koma Kugwiritsa Ntchito Chizindikiritso Chokha

Mphamvu ya chip yosankhidwa ndi mtundu wotsimikizira womwe wakhazikitsidwa ndi mafunso osiyana.

Kugwiritsa Ntchito Dual Technology Popanda Cholowa-Ndondomeko Yopuma pantchito

Makhadi aawiri-owerengera pafupipafupi-makadi aukadaulo amatha kuchepetsa kusokoneza, koma kusamuka kuyenera kutanthauza nthawi yomwe umisiri wakale sudzafunikanso.

Malangizo Omaliza

Kusiyana kothandiza pakati pa MIFARE ndi makhadi oyandikira ndikokulirapo kuposa 13.56 MHz motsutsana ndi 125 kHz.

Lingaliro lodalirika lofikira{0}}liyenera kuyankha:

• Ndi owerenga ati omwe amayikidwa?
• Ndi mabanja ati ovomerezeka omwe amasamalira?
• Ndi chizindikiritso kapena data yotetezedwa iti yomwe pulogalamuyo imagwiritsa ntchito?
• Kodi owerenga amatsimikizira zenizeni kapena amangowerenga chizindikiritso?
• Ndani amayang'anira makiyi anzeru-makadi ndikusintha makonda anu?
• Kodi owerenga-ali-kulumikizana ndi owongolera amatetezedwa?
• Kodi zidziwitso zakale ndi zatsopano zizikhalako bwanji panthawi yakusamuka?
• Ndi umboni wotani womwe uyenera kuperekedwa musanalandire cholowa?

Paziwopsezo zomwe zilipo kale-zokhala ndi chiwopsezo chachikulu choyikapo 125 kHz, mbiri yopitilira ya Prox yanthawi yodziwika ikhoza kukhala chigamulo chogwira ntchito osati cholakwika.

Pakutumizidwa kwatsopano kapena kukweza chitetezo, mbiri yamakono ya MIFARE-yokhazikitsidwa bwino ingathandize kutsimikizira, kutetezedwa kwa data ya pulogalamuyo komanso kasamalidwe kambiri kosinthika. Mtengo umachokera ku mapangidwe athunthu, osati kuchokera ku dzina la MIFARE losindikizidwa pamafotokozedwe.

Wowerenga woikidwa → mbiri yeniyeni → chizindikiritso/chidziwitso → kutsimikizira → makiyi → chitetezo chadongosolo → kamangidwe kakusamuka → chitsanzo chopanga → kuyesa kuvomereza.

Owerenga akamafotokozera, zidziwitso zomwe akufuna, malamulo ozindikiritsa, njira yotsimikizira, dongosolo la kusamuka, zojambulajambula, kuchuluka ndi kuvomereza zofunika, ogula akhozafunsani chitsanzo kapena ndemangapakuwunikidwa kwa pulojekiti-mwachindunji.