Izincamathelisi ze-NTAG vs MIFARE NFC: Yeyiphi iChip echanekileyo?

Ukuba ukhangelaIzincamathelisi ze-NFCukupakishwa, ukuthengisa, ukulawula ukufikelela, okanye ukuqinisekiswa kwemveliso, isigqibo sokuqala sokwenyani siqhelekileNTAG vs MIFARE. Zombini ziphezulu-i-frequency (13.56 MHz) chips ezilandela umgangatho we-ISO/IEC 14443, kwaye zombini zinokujikwa zibe zielebhile ezincamathelayo ezincamathelayo, kodwa zakhelwe imisebenzi eyahluke kakhulu.

Uhlobo olufutshane: Izitikha ze-NTAG ze-NFC lukhetho lwendalo xa unxibelelwano oluphambili luyimpompo yefowuni, njengokuvula i-URL, ukubonisa ulwazi lwemveliso, ukubhalisa iwaranti, okanye ukusungula i-app. Izitikha ze-MIFARE NFC zilingana nomfundi -kunye{2}}neenkqubo zokusebenza zenkqubo ezifana nolawulo lofikelelo, amatikiti, ubulungu, kunye nentlawulo evaliweyo-yeluphu, apho ithegi iluphawu olunye ngaphakathi kwenkqubo elawulwayo.

Ke owona mbuzo ungcono ayingowokuba yeyiphi itshiphu eyomeleleyo, kodwa yintoni ekufuneka yenziwe isincamathelisi. Amacandelo angezantsi ahamba kweso sigqibo ngendlela esidlala ngayo kwiiprojekthi zokwenyani{1}}zemveliso, kunye nokukhetha kwetshiphu ethile, itheyibhile epheleleyo yokuthelekisa, i-anti{2}}inkohliso enzulu yokuntywila, kunye{3}}noluhlu lokukhangela kwangaphambili.

 

Impendulo ekhawulezayo: NTAG okanye MIFARE?

Sebenzisa oku njengesiqalo esikhawulezayo, emva koko uqinisekise iinkcukacha ngakumbi ezantsi.

Njengomthetho wesithupha: ukuba iprojekthi ihlala kwifowuni, i-NTAG ikhawuleza kwaye iyabiza ukuyihambisa. Ukuba kuxhomekeke kubafundi, izitshixo, iimvume, okanye intengiselwano ekhuselekileyo, i-MIFARE, ngokuqhelekileyo i-DESFire, yindlela ekhuselekileyo.

 

Imibuzo emihlanu ekufuneka uyibuze ngaphambi kokuba ukhethe itshiphu

Uninzi lweengxaki "ze-chip engalunganga" zivela ekukhetheni i-hardware ngaphambi kokuba imeko yokusetyenziswa icace. Qhuba le mibuzo mihlanu kuqala, kwaye impendulo idla ngokubonakala.

• Ngubani oyifundayo, ifowuni okanye umfundi ozinikeleyo?Ukuba uluntu luyicofa ngeefowuni zabo, ngqiyama ngo-NTAG. Ukuba umfundi osisigxina, isilawuli, okanye i-turnstile iyayiskena, sebenzisa i-MIFARE.
• Udinga ukhuseleko olungakanani?Ukuvula nje ulwazi kufuna kuphela i-NTAG eqhelekileyo. I-Cryptographic, iseva{1}}iindawo zoqinisekiso loqinisekiso kwi-NTAG424 DNA. Ufikelelo olufihliweyo okanye amanqaku exabiso agciniweyo kwi-MIFARE DESFire.
• Ingakanani idatha ekufuneka igcinwe yitshiphu?I-URL enye ingena kakuhle kwi-NTAG213; iirekhodi ezininzi ze-NDEF okanye inqaku lokubhaliweyo elide ukuya ku-NTAG215 okanye NTAG216.
• Iza kuhlala phezu kowuphi umphezulu?Iplastiki, iphepha, kunye neglasi zihlala zilungile, kodwa intsimbi ikhupha i-eriyali, ngoko udinga i-eriyalianti{0}}yentsimbi NFC istikhakunye ne-ferrite layer.
• Ngowuphi umthamo kunye nohlahlo lwabiwo-mali?Unikezelo olukhulu lwabathengi luthanda iindleko{{0}elungiselelwe i-NTAG; iinkqubo zokuqinisekisa ezilawulwayo zithwala i-chip ye-MIFARE kunye neendleko zokudibanisa ezithetheleleka ngokhuseleko kunye nolawulo.

 

Yintoni izitikha ze-NTAG ze-NFC?

Izincamathelisi ze-NTAG ze-NFC zisebenzisa usapho lwe-NTAG lwe-NXP kwaye ziyilelwe unxibelelwano olulula noluthembekileyo lwe-smartphone. Bagcina idatha kwiIfomati ye-NDEF ichazwe yiForam ye-NFC, nto leyo evumela ukuba phantse nayiphi na ifowuni ifunde ithegi kwaye isebenze kuyo, ukuvula ikhonkco, ukubonisa umbhalo, ukugcina umfowunelwa, okanye ukuqaliswa kwe-app, ngaphandle kwe-app ezinikeleyo.

Iinketho eziqhelekileyo zohluka kakhulu kwinkumbulo yomsebenzisi:

• NTAG213imalunga ne 144 bytes yenkumbulo yomsebenzisi. Ilungele i-URL okanye irekhodi yemveliso emfutshane, kwaye yinto engagqibekanga kuninzi lwentengiso kunye nokupakishwa.
• NTAG215malunga ne-504 bytes, iluncedo xa ufuna iirekhodi ezininzi ze-NDEF okanye umthwalo omde wokuhlawula.
• NTAG216imalunga nama-888 ebhayithi, ngokutyebileyo,-kumxholo werekhodi.
• NTAG424 DNAine-416 bytes kunye ne-AES-128 cryptography kunye nempompo-umyalezo owodwa woqinisekiso; yakhelwe ukhuseleko kunye nokuchasana nenkohliso kunokuba amakhonkco acacileyo.

Indlela esebenzayo yobungakanani betshiphu: ukuba ufaka ikhowudi kwi-URL enye kuphela, i-NTAG213 iphantse yahlala yanele, kuba ilinki emfutshane eqhelekileyo iphantsi komda wayo we-144-byte. Hambisa phezulu ukuyaNTAG215okanye NTAG216 xa ufuna iirekhodi ezininzi (umzekelo i-URL kunye nokubhaliweyo kunye nerekhodi ye-app), i-URL ende eneeparamitha zokulandelela, okanye igumbi lokuqala lokuphinda{1}}ikhowudi kamva.

 

Ziziphi izitikha ze-MIFARE NFC?

Izitikha ze-MIFARE NFC zisebenzisa iitshiphusi ze-MIFARE ze-NXP, ezilawula ukungena, izithuthi zikawonke-wonke, ukuthengisa amatikiti, ubulungu, kunye nentlawulo evaliweyo-yelophu. Xa ithelekiswa ne-NTAG, i-MIFARE yinkqubo-yenziwe: itshiphu yenzelwe ukusebenza nabafundi, izitshixo, kunye nesoftware yasemva, hayi nje ifowuni.

• MIFARE Classic 1K / 4Klihashe lomsebenzi elilifa lisafumaneka kwiinkqubo ezininzi ezindala. Isebenzisa i-Crypto{2}}1 i-cipher, enobuthathaka obubhalwe kakuhle, ngoko iyavakala kumngcipheko ophantsi{4}}okanye ilifa{5}}ukusasazwa oluhambelanayo kodwa hayi kwiiprojekthi ezintsha zokhuseleko oluphezulu. Ukuze ufumane imvelaphi, bonayintoni ikhadi le-MIFARE 1K.
• MIFARE Plusyindlela yophuculo eqhelekileyo esuka kuMpawu oPhakamileyo owongeza ukhuseleko lwe-AES.
• I-MIFARE DESFire EV1 / EV2 / EV3lukhuseleko, -umgca wesicelo kaninzi, usebenzisa i-AES{2}}128 kunye neepasi ezintathu zokuqinisekisa, njengoko kuchaziweNXP's DESFire EV3 amaxwebhu. Lukhetho oluqhelekileyo lolawulo lofikelelo olunzima, uhambo, kunye nokuthenga amatikiti.

I-Caveat enye ekufanele ichazwe kwangethuba: I-MIFARE idla ngokusetyenziswa njengekhadi, i-key fob, okanye i-wristband endaweni yesincamathelisi, kuba ezo nkqubo zihlala zikhupha isiqinisekiso emntwini. Njengezincamathelisi, i-MIFARE yenza ingqiqo ikakhulu kwi-asethi okanye ukuthegiswa kwenkqubo. Ukuba iprojekthi yakho inofikelelo- okanye ubulungu{3}basekwe, ungafuna ngokweneneAmakhadi okufikelela e-MIFAREokanye fobs endaweni iilebhile.

 

NTAG vs MIFARE NFC izincamathelisi: ecaleni-nge{1}}uthelekiso olusecaleni

Le theyibhile ithelekisa iitshiphusi kwizinto ezidla ngokuthatha isigqibo ngeprojekthi.

 

Umahluko ophambili ochaphazela iprojekthi yakho

 

Ukufundwa kwe-smartphone: i-iPhone, i-Android, i-NDEF kunye ne-UID

Ukuhambelana kwefowuni akuyona into enye; kuxhomekeke ekubeni ifowuni icelwa ukuba ifunde ntoni. Uninzi lwee-iPhones zanamhlanje kunye nezixhobo ze-Android zifunda irekhodi ye-NDEF kwithegi ye-NTAG ngasemva kwaye usebenze kuyo, uvula i-URL ngaphandle kweapp efakiweyo. Ukufunda i-UID yechip, okanye icandelo lokufunda okanye idatha yefayile, ngumsebenzi owahlukileyo osoloko ufuna usetyenziso okanye umfundi othile.

Kulapho i-MIFARE Classic ifumana ubunzima kwiiprojekthi zabathengi: idatha yecandelo layo ayifundeki ngokuthembekileyo kuzo zonke iifowuni, kwaye inkxaso ye-iPhone ngokukodwa ilinganiselwe, ngoko ke iClassic ihlala idityaniswa nabafundi abazinikeleyo kuneefowuni zoluntu. I-NTAG kunye ne-DESFire balandela iintlobo zethegi zeForam ye-NFC, ezenza ziqikeleleke ngakumbi. Ukuba abasebenzisi bokuphela baya kucofa ngeefowuni zabo, i-NTAG yeyona nto ikhuselekileyo yokubheja, kwaye iyanceda ukuqondaindlela ukufunda NFC isebenza kwifowuningaphambi kokuba wenze.

 

Ukhuseleko kunye nokuqinisekiswa

Iitshiphusi ezisemgangathweni ze-NTAG21x zenzelwe unxibelelwano oluvulekileyo. Abanye baxhasa i-32-bit password enokuthintela ubhalo ngokutsha oluqhelekileyo, kodwa igama lokugqitha asiyongqinisiso efihlakeleyo, kwaye i-UID yechip, ngelixa ikhethekile, inokufundwa kwaye ayikho kubungqina bayo bobunyani. Ibalulekile loo nqaku lokugqibela, kuba i-UID-kuphela "isiqinisekiso" yenye yezona mpazamo zixhaphakileyo ezichasene nokwenza umgunyathi.

Ukuqinisekiswa kokwenyani, i-chip kufuneka izibonakalise ngokufihlakeleyo.I-NXP ye-NTAG424 DNAisebenzisa i-AES-128 kwaye yenza okwahlukileyo, iseva{3}}ikhowudi engqinisisekayo kuyo yonke impompo, enzima kakhulu ukuyifanisa. Kwicala lenkqubo, i-MIFARE DESFire yongeza ezintathu{4}}zokupasa ungqinisiso kunye nezitshixo zomgangatho wefayile, ngoko ke ikhadi kunye nomfundi ziyaqinisekisana phambi kokuba idatha ihambe. Indlela oku kusetyenziswa ngayo ekusebenzeni, jonga lo magqabantshintshi weI-NFC echasene{0}neteknoloji yomgunyathi.

 

Imemori kunye nolwakhiwo lwedatha

I-NTAG isebenzisa inkumbulo elula, ubukhulu becala enomda ibekelwe i-NDEF, yiyo loo nto kulula kakhulu ukufaka iikhowudi kwii-URL, okubhaliweyo, kunye neerekhodi zoqhagamshelwano. I-MIFARE isebenzisa imemori ehleliweyo yamacandelo, izicelo, iifayile, kunye nezitshixo zokufikelela. Oko kunika ulawulo olungaphezulu kakhulu lokuba ngubani onokufunda okanye ukubhala ntoni, ngexabiso lokucwangcisa ngakumbi, ulawulo oluphambili, kunye novavanyo.

 

Ukuhlanganiswa kwenkqubo kunye neendleko

Iprojekthi ye-NTAG ihlala isetyenziswa kunyeUmfundi kunye nombhali we-NFC: faka i-URL, sebenzisa isincamathelisi, kwaye abathengi bacofe. Iprojekthi ye-MIFARE idla ngokufuna abafundi abahambelanayo, ulawulo oluphambili, isoftware ye-backend, kunye nemithetho yokufikelela, kunye novavanyo oluchasene nenkqubo ephilayo.

Iindleko zilandela obo bunzima. Abaqhubi bexabiso lokwenyani lesitikha se-NFC luhlobo lwetshiphu, ubungakanani be-eriyali, i-substrate (iphepha, i-PET, i-PVC, okanye i-epoxy), ushicilelo, nokuba iithegi azinanto okanye-zifakwe kwi-encoded, nasiphi na inyathelo le-lamination okanye lokutshixa, kwaye, ukusetyenziswa kwesinyithi, i-ferrite layer eyongeziweyo, zonke ziphindaphindwe ngobuninzi. Isikhokelo esisebenzayo silula: musa ukuhlawula ubunzima be-MIFARE xa ifowuni ifuna ukuvula i-URL, kwaye ungazami ukuqhuba ulawulo olukhuselekileyo lokufikelela kwi-chip ye-NTAG esisiseko.

 

NTAG424 DNA vs MIFARE DESFire yokuchasana{1}}nomgunyathi

Ukukhuselwa kophawu olu lolona khetho lubaluleke kakhulu, kuba zombini iitshiphusi zisebenzisa i-AES-128 cryptography eyomeleleyo kodwa zisombulula iingxaki ezahlukileyo.

I-NTAG424 DNA yinjongo-eyakhelwe ukutephu yabathengi{2}}ukuqinisekisa{3}}. Ngenxa yokuba ikhowudi yayo yokuqinisekisa iveliswa kwimpompo nganye kwaye ijongwe kwiseva yakho, umthengi unokuqinisekisa ubunyani ngefowuni eqhelekileyo kwaye akukho app, kwaye impompo efanayo inokuqhuba ukuthengisa okanye ukubhaliswa. Ikwayindlela eyongayo yoqinisekiso oluphezulu{6}}lomthamo wemveliso.

I-MIFARE DESFire yakhelwe ukwenza ezininzi-izicelo, umfundi{1}ezisekwe kwi-ecosystems ezifana nofikelelo, uthutho, kunye nexabiso eligciniweyo, kwaye lukhetho olulungileyo xa isiqinisekiso esikhuselekileyo kufuneka senze loo misebenzi. Ukuqinisekisa imveliso yabathengi esulungekileyo idla ngokuba ngaphezu kokuba ufuna; kwisiqinisekiso esimele siphile kwindlela yokufikelela okanye yokuhlawula kwaye kwakhona ithwale umsebenzi wokuqinisekisa, ingena kakuhle.

Isigqibo kumgca omnye: khetha i-NTAG424 DNA yomthengi{1}ejongene nokhuseleko lwebhrendi, kunye ne-DESFire xa uqinisekiso kufuneka luhlale kunye nofikelelo, ukukhupha amatikiti, okanye intlawulo kwindlela elawulwayo efanayo. Nokuba yeyiphi na indlela, ungathembeli kwitshekhi ye-UID ecacileyo, kuba oko kukuchonga, hayi ukuqinisekiswa.

 

Ukukhetha ngesicelo

Kubaamaphulo okuthengisa kunye neepowusta ezihlakaniphile, NTAG213 iphatha ukutephu{1}}ukuvula{2}}ii-URL, ukhuphelo lwe-app, kunye namaphepha omkhankaso ngexabiso eliphantsi nangokuthembekileyo. Kubaukupakishwa okuhlakaniphile kunye nolwazi lwemvelisonjengeencwadana, ubhaliso lwewaranti, kunye nomxholo webhrendi, i-NTAG213 igquma amakhonkco asisiseko, nge-NTAG216 xa ufuna indawo enkulu.

Kubauqinisekiso lwemveliso kunye-nobuqhophololo, sebenzisa i-NTAG424 DNA, okanye i-DESFire ngaphakathi kwesixokelelwano esikhulu esikhuselekileyo, kwaye ungaze ube ne-static{1} ye-URL chip iyodwa. Kubaulawulo lofikeleloezifana neengcango, i-ID yomqeshwa, amagumbi ehotele, kunye neendawo ezithintelweyo, i-MIFARE DESFire okanye i-chip ehambelana nenkqubo ekhoyo yinto eqhelekileyo, edla ngokukhutshwa njengamakhadi okanye i-fobs kunokuba izitikha. Kubaamatikiti, ubulungu, kunye nemisitho, I-MIFARE yeyona nto ifanelekileyo, kwaye isiqinisekiso sihlala si-RFID wristbandokanye ikhadi kuneleyibhile. Kubaukuchongwa kwe-asethi elula, NTAG213 ngokwesiqhelo yanele ngaphandle kokuba inkqubo igunyazisa itshiphu ethile ye-MIFARE.

 

Xa ungayisebenzisi i-NTAG, kwaye ungayisebenzisi nini i-MIFARE

Kuphephe i-NTAGxa ufuna ulawulo lofikelelo lwe-cryptographic, ixabiso eligciniweyo okanye intlawulo, ezininzi -iinkcazi ezilawulwayo zesicelo, okanye{1}}iimvume ezigciniweyo zomva. Lowo ngummandla we-DESFire.

Yiphephe i-MIFARE, ngakumbi Okwakudala, xa injongo ilula, -ifowuni enkulu itephu{1}}ukuya{2}}amava e-URL, xa abaphulaphuli bakho ikakhulu kwii-iPhones kwaye ubuya kuthembela kufundo lwecandelo leClassic, okanye xa ufuna elona xabiso liphantsi kunye nolona guqulelo lulula olunokwenzeka. Kwezo meko i-NTAG iyakhawuleza, inexabiso eliphantsi, kwaye iqikeleleka ngakumbi.

 

Iimpazamo eziqhelekileyo xa ukhetha izincamathelisi ze-NFC

1.  

2. Ukukhetha i-MIFARE kuba ivakala ikhuselekile ngakumbi.

3. Itshiphu iyodwa ayidali ukhuseleko; Kwakhona ufuna ulawulo olungundoqo olufanelekileyo, ukuhambelana komfundi, kunye nemithetho yokufikelela. Inkqubo ye-DESFire engakhange iqwalaselwe ayikhuselekanga kune{1}i-NTAG ebekwe kakuhle.

4.  

5. Ukusebenzisa i-UID njenge-anti{0}}yomgunyathi.

6. I-UID ichonga itshiphu kodwa ayibonisi ukuba yeyenene. Ngokhuseleko lokwenyani, sebenzisa itshiphu eyilelwe ungqinisiso lwe-cryptographic olufana ne-NTAG424 DNA okanye i-DESFire.

7.  

8. Ukungahoyi indlela iifowuni eziziphatha ngayo.

9. Ukuba abathengi baya kucofa ngezixhobo zabo, vavanya itshiphu yakho kunye nekhowudi kuzo zombini i-iOS kunye ne-Android ngaphambi kokuba uzibophelele ekuqhubeni imveliso.

10.  

11. Ukulibala izinto ezingaphezulu.

12. Utshintsho lokusebenza kwiplastiki, iglasi, ikhadibhodi, kwaye ingakumbi intsimbi, ephantse isoloko ifuna isitikha esichasene -nentsimbi ye-NFC kunye nomaleko we-ferrite.

13.  

14. Ukukhetha i-chip phambi kwetyala lokusetyenziswa.

15. Qala kwisenzo somsebenzisi kunye nemfuneko yenkqubo, emva koko ukhethe i-chip, kungekhona enye indlela.

 

Izinto eziphathekayo, i-eriyali, kunye nomphezulu, kunye nendlela yokuvavanya

I-chip kuphela inxalenye yokusebenza. I-substrate, ubungakanani be-eriyali, i-adhesive, umphezulu, kunye nokusingqongileyo yonke into ebalulekileyo. Iifomathi zezitikha eziqhelekileyo ziquka iphepha lamaphulo{2} anexabiso eliphantsi, i-PET yokuqina, iPVC yolwakhiwo,epoxyyepremiyamu egqityiweyo,-intsimbi yemigangatho yentsimbi, kunye nesiko{1}eshicilelwe uphawu.

Njengepateni ngokubanzi, i-eriyali enkulu iphucula ukunyamezela impompo kunye noluhlu, ngelixa isincamathelisi esincinci sifundeka kuluhlu olufutshane. Inyathelo elinye elibaluleke kakhulu kukuvavanya kwindawo yokwenyani. Isinyithi kunye nolwelo ludiza i-eriyali, iibhotile ezigobileyo kunye nee-elektroniki ezincinci zitshintsha intsimi, kwaye ubushushu okanye ukufuma kunokuchaphazela ukunamathela. Ngaphambi kokuveliswa kobuninzi, qinisekisa uluhlu lokufunda kunye nokuthembeka kweyona mveliso yakho, kunye neefowuni ezijoliswe kuzo okanye abafundi, kwiimeko apho ithegi iya kuhlala kuyo.

 

Uluhlu-lwangaphambili lwemveliso lwabathengi bezitikha ze-NFC

Ukuqinisekisa la manqaku kunye nomboneleli wakho phambi kokuba u-odole kuthintela ukuprintwa okuninzi kunye nokusilela kwintsimi:

• Itshiphu echanekileyo, kungekhona nje "NTAG" okanye "MIFARE": NTAG213 vs 215 vs 216 vs 424 DNA, okanye uhlobo oluthile lwe-MIFARE.
• Inkumbulo iyafuneka, ngokusekelwe kumxholo wakho we-NDEF kunye nenani leerekhodi.
• Akunanto okanye-ifakwe kwikhowudi, kwaye ukuba-ifakwe ngekhowudi, umxholo ochanekileyo kunye neentlobo zerekhodi. Ukuba umxholo kufuneka utshintshe kamva, buza malungaiithegi zeNFC ezinokuphinda zibhalekekunye nesimo sokutshixa.
• ifomathi ye-UID, kunye ne-NTAG424 DNA, nokuba i-UID kunye nekhawunta yetephu kufuneka iboniswe kwi-URL ukuze ingqinwe.
• Tshixa okanye ufunde{0}}kuphela isimo, ithetha ukuba ithegi itshixiwe na emva kokufakwa kweekhowudi.
• Amagama okugqithisa okanye amaqhoshaye-NTAG ekhuselweyo okanye iifayile ze-MIFARE.
• Anti{0}} umaleko wentsimbi, ewe okanye hayi, ngokusekelwe kwindawo yokunyuka.
• I-substrate, i-adhesive, ubukhulu, kunye ne-eriyali, ehambelana nomphezulu kunye nokusingqongileyo.
• Uvavanyo lwesampulukumphezulu wakho kunye nezixhobo, ngaphambi kokuba usebenze ngokupheleleyo.
• Ubuninzi kunye nexesha lokukhokela, kuquka i-MOQ kunye nalo naluphi na uhlobo{0}useto loshicilelo.

Kwiprojekthi yesiko okanye enkulu{0}}yevolumu, iyanceda ukulungelelanisa yonke le nto nomvelisi ngaphambili, umzekelo ngokusebenzisaOEM kunye ODMinkqubo evala itshiphu, ikhowudi, kunye nemathiriyeli phambi kwemveliso.

 

Imibuzo ebuzwa qho

 

Ngaba izitikha ze-MIFARE zingasebenza nge-iPhone?

Kuxhomekeke kwitshiphu. I-MIFARE DESFire kunye ne-NTAG, eziphatha ii-iPhones njengeethegi zeForam ye-NFC, zixhaswa kakuhle, kodwa idatha yecandelo le-MIFARE Classic ayifundeki ngokuthembekileyo kwii-iPhones, ngoko ke iClassic iqhele ukusetyenziswa kunye nabafundi abazinikeleyo kuneefowuni zabathengi. Yefowuni-iprojekthi yokuqala, i-NTAG lolona khetho luqikelelwayo.

 

Ngaba i-NTAG ikhuselekile?

Iitshiphusi ezisemgangathweni ze-NTAG21x zenzelwe unxibelelwano oluvulekileyo kwaye zinikezela ngegama eligqithisiweyo elikhethiweyo, elingelulo ungqinisiso olomeleleyo. Ukuba ufuna ukhuseleko, i-NTAG424 DNA yongeza i-AES{4}}128 kunye ne-tap-umyalezo owodwa onokungqinwa ngumncedisi, owomeleleyo ngokwenyani kuqinisekiso lwemveliso.

 

Sesiphi isincamathelisi se-NFC esilungele ukulwa -nomgunyathi?

I-NTAG424 DNA yeyona iqhelekileyo ifaneleka kumthengi{1} ejongene nokhuseleko lwebhrendi, kuba abathengi banokuqinisekisa imveliso ngefowuni eqhelekileyo. I-MIFARE DESFire ifanele iimeko apho ubungqina obufanayo obukhuselekileyo bukwafuna ukusingatha ukufikelela okanye intlawulo. Itshekhi ye-UID ecacileyo ayichasi{4}}inkohliso.

 

Ngaba i-NTAG213 yanele kwi-URL yam?

Kwi-URL enye, phantse usoloko ewe, kuba ikhonkco elifutshane eliqhelekileyo lingena kakuhle ngaphakathi kwe-NTAG213's malunga ne-144 bytes yememori yomsebenzisi. Nyathela uye ku-NTAG215 okanye ku-NTAG216 ukuba ufuna iirekhodi ezininzi ze-NDEF, i-URL ende eneeparamitha zokulandelela, okanye igumbi lentloko elongezelelweyo.

 

Kutheni isitikha sam se-NFC singafundi kumphezulu wentsimbi?

Intsimbi ikhupha i-eriyali ye-NFC kwaye ifunxa ibala, ngoko ke isincamathelisi esiqhelekileyo asizukufunda xa sincamathele entsimbini. Sebenzisa isitikha esichasene{1}}nentsimbi ye-NFC enomaleko we-ferrite, kwaye uqinisekise ukusebenza kwindawo yakho yokwenyani ngexesha lokuthatha isampulu.

 

Ngaba kufuneka ndiodole kungenanto okanye-ngaphambili izitikha zeNFC ezifakwe ngekhowudi?

Iithegi ezingenanto zikunika ukuguquguquka kwekhowudi ngaphakathi -endlwini; pre{1}}iithegi ezifakwe ngekhowudi zonga ixesha kwisikali kodwa zifuna ukuba utshixe umxholo kwaye urekhode iindidi ngaphambili. Ngomxholo oguqukayo, buza malunga neethegi ezinokuphinda zibhaleke nokuba itshiphu iya kutshixwa na emva kokufakwa kweekhowudi.

 

Undoqo

Khetha i-NTAG yefowuni-umsebenzi wokuqala ofana nokuthengisa, ukupakishwa okukrelekrele, ulwazi lwemveliso, kunye nokuchonga okulula, kwaye ukhethe i-MIFARE, idla ngo-DESFire, xa isincamathelisi siyinxalenye yenkqubo ekhuselekileyo enabafundi, izitshixo, kunye neemvume. Ngokuchasene{2}nobuqhophololo, fikelela kwi-NTAG424 DNA, okanye i-DESFire ngaphakathi kwe-ecosystem enkulu, kwaye ungaze uxhomekeke kujongo lwe-UID kuphela. Lungisa imeko yokusetyenziswa, ifowuni{5}}okanye{6}}indlela yokufunda, inqanaba lokhuseleko, inkumbulo, umphezulu, kunye nevolyum kuqala; itshiphu echanekileyo, i-eriyali, kunye nezinto eziphathekayo zilandela ngokwendalo kwezo mpendulo.

Esi sikhokelo sisekelwe kwizandla{0}}kumava okwenziwa, ukufakwa kweekhowudi, kunye{1}}nokuvavanya izitikha ze-NFC ngaphambili kwi-NTAG kunye neentsapho ze-MIFARE zetshiphu, kunye neenkcukacha zobugcisa ezithathwe kwi-NXP kunye ne-NFC yamaxwebhu eForam.