Kaadi z’ebisumuluzo za wooteeri eza RFID ne Packet z’ebisumuluzo ze zisindika ziri mu bukuumi zitya?

 

Ekisumuluzo Packet, Ekisumuluzo Kaadi, oba Envulopu y'Ekisumuluzo - Kiki Mu Ddala Ky'ogula?

 

Ekigambo kino kiyitiriddeko katono, kisaana okukirongoosa nga tonnalambika kintu kyonna. Mu kugaba okusembeza abagenyi, ekisumuluzo ekipapula (era ekiyitibwa envulopu ya kaadi y’ekisumuluzo, omukono gwa kaadi y’ekisumuluzo, oba folda ya kaadi y’ekisumuluzo) ye lupapula oba kaadi{1}}sitooki ewandiikiddwa ekisumuluzo ky’ekisenge kye kiseeyeeya mu kukebera-mu. Ekuuma kaadi obutafukamira n’okuggya magineeti, ewa emmeeza y’omu maaso ekifo w’ewandiika ennamba y’ekisenge, era etambuza akabonero k’ekifo. Ku bwayo terina mulimu gwa byuma bikalimagezi.

 

Ebintu bibiri ebitali bikwatagana bigabana amannya agafaanagana era oluusi bifuluma mu bivudde mu kunoonya bye bimu: ebisumuluzo ebirabika ebikozesebwa mu kwekebejja eby'amayumba-ebibanja (oluusi "packets z'ebisumuluzo by'abakebera"), n'ebipapula by'eddagala ebipakiddwa mu blister-ebitundibwa wansi w'amannya nga Key-Pak. Singa olukalala olumpi olw’abagaba ebintu lulimu ekimu ku bano, baba bagonjoola ekizibu eky’enjawulo ddala, ekisaanira okuteekebwako bendera nga bukyali kale envulopu ya kaadi y’ekisumuluzo ekinene RFP ereme kutabulwa.

 

Ku buli kimu ekiddako, tutegeeza enkyusa y’okusembeza abagenyi: omukono gw’empapula, era, ekisinga obukulu, kaadi ya RFID oba magnetic-stripe egenda munda mu yo.

 

Okusalawo Bibiri Mu butuufu Okusalawo Obukuumi: Chip Grade ne Lock Compatibility

 

Packet bw’emala okuva ku mmeeza ng’ensonga y’obukuumi, okugula kujja wansi ku bintu bibiri ebikyukakyuka: chip ki eri munda mu kaadi, n’okumanya oba encoding ya chip eyo ekwatagana ne lock platform yo. Saflok, Onity, Dormakaba, n’enkola ezifaananako bwe zityo buli emu esuubira ensengeka za data ez’enjawulo katono ku kaadi.

 

 

Ekyo kirabika nga ekitaliimu nsa ku spec sheet. Wano we kyakoma okubeera ekitaliimu nsa ku kibanja kimu. Ekibinja kya kaadi 500 kyayolekera olujegere lw’ebifo eby’okwewummuzaamu mu Southeast Asia kyasoma bulungi ku demo reader ku katebe kaffe: green light, valid read, buli card. Ku site, buli kaadi yasuula "kaadi etali ntuufu" ku mulyango. Ennaku bbiri ez’okuzuula obulwadde okuva ewala zakirondoola okutuuka ku firmware update abakola kkufulu gye yali asika emyezi nga esatu emabega eyakyusa engeri sector checksum gye yakakasibwamu; encoding profile gye twali tuweereddwa yali predated it. Sitooki ya kaadi n’okukuba ebitabo byali tebirina kamogo. Enzigi n’okutuusa kati tezaali tezigguka. Ekyo ekituli wakati wa "asoma ku katebe" ne "aggulawo oluggi" kye kyennyini anti-clone hotel key card orders gye zitambula obubi mu kasirise.

 

Obuwangaazi bunyumya emboozi efaananako bwetyo, era teweetaaga kugitwala ku kukkiriza; kiraga mu nsengekera y’okuddamu okulagira. Nga rough industry benchmark, magnetic-stripe cards zitera okwetaaga okukyusibwa mu myezi 6–12 nga abagenyi bangi batambula, so nga RFID cards eziriko enkodi entuufu zitera okutambula emyaka 2–3 wansi w’omugugu gwe gumu. Bbeeyi ya buli-kaadi erina okuddibwamu emirundi esatu si ya buseere; it's a cash-flow decision nga oyambala ekyambalo kya unit-cost.

 

Engeri Hotel Key Cards gyezifunamu Cloned mu nnimiro

 

Kirungi okutegeera enkola, kubanga "RFID cards can be cloned" gets stated as a flat fact without thelwaaki, era ngalwaakikye kikubuulira kaadi ki eziri mu kabi ddala.

 

Ensonga esinga obukadde era esinga okusaasaana edda ku cipher ya MIFARE Classic eya Crypto-1, abanoonyereza mu by’ensoma mu Radboud University gye baakola reverse-engineering okuva edda mu 2008 (Ekitabo kya IACR ePrint). Kaadi ku famire ya chip eyo zikakasa n’enteekateeka ebadde emenyeddwa mu lujjudde okumala emyaka egisukka mu kkumi, naye, olw’okuba ebikozesebwa bingi ebiteekeddwamu bisinziira ku yo, bikyali mu kutambula ku bintu ebitalongoosebwangako.

 

Omusango omupya era ogutamanyi gwafuluma mu 2024: chip eyafulumizibwa mu ngeri ey’enjawulo okuziba ebituli eby’edda eby’okukoppa (FM11RF08S) yazuuka ng’etwala ekikyamu kyayo eky’omutendera gwa hardware-, okuleka omulumbaganyi alina eddakiika ntono ez’okuyingira mu mubiri ku kaadi emu okuggya ekisumuluzo kyonna eky’enjawulo eky’ebintu (Amawulire ga Hacker). Eky'okutwala si "kwewala chip eyo emu." Kiri nti akabonero k'okutunda kwa chip ("upgraded," "encrypted," "next-generation") si kifo kya kukebera nkola yaayo entuufu ey'okukakasa. Kaadi ezeesigamye ku kintu kirala okuggyako endagamuntu ya kaadi etali ya kukyukakyuka, nga tewali kuwaanyisiganya kwa cryptographic wakati wa kaadi ne kkufulu, ze zisinga okuba ennyangu mu byonna okukoppa n’ebintu eby’ebbeeyi eby’ebbeeyi, ka kibeere nti ebipakiddwa bigamba ki. Bwe kiba nti okusikambula ku mulyango kitundu ku model yo ey’okutiisatiisa, eyo layini ya spec eyawukana. A eriko engaboRFID-okuziyiza omukono gwa kaadiekwata ku kukwata, so si kukola cloning, era bombi batabulwa buli kiseera.

 

Okulaga Kaadi Enkuumi: AES, MIFARE Plus SL3, ne Mutual Authentication

 

Okutereeza tekuzibuwalirwa nga chip landscape etegeerekeka bulungi, era tekirina kakwate na kisumuluzo packet kaadi gy’esindikamu.Amakolero gava ku UID-yokka ne Crypto-1 cards okudda ku chips nga bakozesa AES-128 encryption with mutual authentication: card n’omusomi buli omu akakasa munne nga data yonna ey’okuyingira tennakyusa mikono, okusinga omusomi okwesiga ID yonna a ebirabo bya kaadi.

 

Ekika kya Chip	Enkola y’Okukakasa	Okuziyiza okukola cloning	Typical Use Case Leero
UID-yokka / okumpi okusookerwako	ID ya Static yokka	Wansi nnyo	Legacy, okuggyibwawo mu mitendera
MIFARE Classic (Ekiwandiiko ekikwata ku biwandiiko) .	Proprietary cipher, yamenyeka okuva mu 2008	Wansi	Base ennene essiddwawo, eyeesimbyewo okulongoosa
MIFARE Plus SL3	AES-128, okukakasa buli omu	Waggulu	Ekkubo ery’okulongoosa ery’omugaso ku bintu ebisinga obungi
DESFire EV-omuddiring'anwa	AES-128 / 3DES, okukakasa buli omu	Waggulu	Obukuumi obwa waggulu-okuteeka mu nkola enkola eziwera-

 

AES-128 mu kiseera kino etwalibwa mu makolero gonna agafuga okuyingira-nga ekitasoboka mu kubalirira okukaka-amaanyi n’ebikozesebwa ebiriwo eby’abakozesa oba eby’obusuubuzi, y’ensonga lwaki MIFARE Plus SL3 efuuse ekifo eky’omu makkati eky’omugaso eri ebintu ebisenguka okuva ku mmotoka ezisinziira ku Classic- okusinga okubuuka butereevu ku DESFire enzijuvu. Naye okuteesa okwo kutambuza akakwakkulizo abagaba ebintu abasinga ke batajja kussaawo ku lulwo: SL3 eyamba singa firmware y’ebizibiti byo ebiteekeddwa mu butuufu ewagira okugisoma ku ddaala ly’obukuumi ly’osasula. Engeri y’okukakasa ekyo si kukkiriza datasheet ya chip; kwe kusaba ennamba ya firmware version ewandiikiddwa ey'ekizibiti n'okuba ne sample card egezeseddwa ku firmware eyo yennyini nga tonnaba kussa mukono. Okulagira kaadi za SL3 ku kkufulu ezikyategekebwa okusoma ku ddaala lya Classic ngeri ya bulijjo pulojekiti zino gye ziyimirira, era wakyaliwo omusingi omunene ennyo ogwateekebwawo ogwa legacy MIFARE hardware mu nnimiro okukuuma ensobi eyo nga nnyangu okukola. Wano era we wali pulogulaamu ya kaadi z’ebisumuluzo bya wooteeri ezikuumibwa n’okukwataganaEkisumuluzo kya RFIDcredential belong in the same spec, kale abakozi n’abagenyi okuyingira kutambulira ku chip tier y’emu ekakasiddwa okusinga card ey’amaanyi eyungiddwa ku fob enafu.

 

Ensobi ssatu mu kugula ebintu ezigula emirundi ebiri

 

Emisono mitono giraga emirundi mingi ekimala okubunaokulagira kaadi z’ebisumuluzo bya wooteerinti zisaana okutuuma amannya butereevu, kubanga buli emu etera okuzuulibwa oluvannyuma lwa kaadi okusindikibwa.

Tokkiriza kukakasa mu bigambo wano. Saba ennamba y'ekitundu kya chip entuufu mu buwandiike n'ebyava mu kugezesebwa kwa firmware-okukwatagana okuwandiikiddwa okusinziira ku model yo ey'okusiba entongole nga PO tennafulumizibwa. Ekyokubiri kwe kutwala okukwatagana kwa lock-platform nga ekizibu ky'omugabi okugonjoola oluvannyuma lw'ensonga okusinga spec ekakasiddwa nga tebannaba kufulumya. Bw’etyo yennyini engeri batch gy’emaliriza ng’ekubiddwa bulungi ate nga tesobola kuggulawo luggi lumu. Ekyokusatu kwe kulowooza nti ekisumuluzo ekisinziira ku ssimu oba essimu-kiba kya bukuumi nnyo mu ngeri ey’otoma okusinga kaadi ey’omubiri; mu deployments ezisinga eziriwo kati essimu ekoppa ekiwandiiko kya chip kye kimu ekikulu, kale omutindo gwa chip omunafu tegufuna maanyi just because it’s projected onto a screen.

 

Laba lwaki "bazuuliddwa nga bamaze okusindika" kye kitundu eky'ebbeeyi, concretely. Ku kaadi 5,000-okudduka, kaadi ebikumi ebitono ebisooka okusampulwa ku kukkirizibwa byasoma bulungi; okulemererwa tekuvaayo okutuusa ng'ekintu kikola enkodi n'okufulumya ku voliyumu, nga omuwendo gw'okulemererwa okusoma-guyinza okutandika okulinnya awalala nga guyiseeko kaadi ey'omulundi ogwa 3,000, oluvannyuma lw'ensonga y'enkodi oba antenna-tuning ey'oku mabbali okukoppebwa mu kibinja kyonna. Mu kiseera ekyo okutereeza si re-spec, wabula kuddamu kukola. Oyo ye multiplier eyekwese emabega wa unit price eya wansi ku bulk key packet order.

 

Ebibeerawo Ku Production Floor Yaffe Nga Card Tennasindikibwa

 

Kino kye kitundu abasuubuzi abasinga mu kiti kino kye batasobola kwogera nakyo, kubanga abasinga baddamu okutunda kaadi eziriko enkodi omuntu omulala. Chip bonding ne encoding ze mitendera ebiri ebizibu by’okukwatagana mwe bisinga okuva, era emitendera ebiri omusaasaanya gy’atera okuba nga talina kulabika.

 

 

Zombi tuziddukanya mu-ennyumba. Ekyo kitegeeza okukwata ebiragiro by’okusembeza abagenyi ebiddirira mu bbanga lya kaadi obukadde bubiri omwaka eri bakasitoma abaddiŋŋana, nga kwogasse n’obungi obufaananako bwe butyo olw’okugatta okusasula kwa ppaaka okumala ebbanga eddene-okusanyuka-. Ezo ze nkola za reorder ezikwata waggulu singa encoding n’okusoma okwesigika bisigala nga bikwatagana batch after batch, so si ku sample ekkiriziddwa yokka. Buli kaadi eva wansi eyita mu kugezesebwa kw'ebifulumizibwa 100% nga tennapakira, nga guno gwe mutendera ogukwata obutakwatagana mu enkodi nga tebunnafuuka kizibu kya mmeeza mu maaso-mu kifo ky'oluvannyuma.

 

Okufuna Okukwatagana-Sampuli Ekebereddwa Nga Tonnalagira

 

Engeri esinga okuziba ekituli wakati wa spec sheet n’ekiggulawo ddala enzigi zo kwe kugigezesa nga tonnaba kwewaayo kudduka. Gabana ku kkufulu yo eriwo kati (Saflok, Onity, Dormakaba, oba enkola endala) ne rough volume, era tusobola okuweereza sampleKaadi y’ekisumuluzo kya RFIDencoded okukwatagana ne hardware yo eriwo, kale okukwatagana kuddibwamu nga tekunnabaawo, so si oluvannyuma, order enzijuvu okusindikibwa. Emboozi eyo osobola okugitandika ng’oyita mu...omuko gw'okubuuza.

 

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