NFC Tag ni hpe Chip amyu myu hte gara hku Program galaw na (NTAG, MIFARE, hte kaga ni)

 

Tag langai hpe ka ai gaw garan ginhka ai operation masum re, langai n re

 

Masha ni gaw NFC tags ni hpe program galaw mayu ai ngu tsun ai shaloi, phone app langai kaw na button langai sha a majaw byin pru wa ai laklai ai lam masum hpe tsun dan ai zawn rai nga ai.

 

Shawng nnan na gaw .hkrang shapraw ai. NFC chip langai a memory hpe shi a user area hta NDEF message n lawm ai sha, n ra sharawng ai byte ni lawm ai hpe tsun dan ra ai. Ndai hpe galaw ai gaw, atsam rawng ai n-gun rawng ai ngu shamying ai data structure kaji langai hpe ka nna galaw ai re. NTAG21x daw ni hta, ndai hpe wafer madang kaw galaw ngut sai, dai majaw chip gaw NDEF-format hte du wa nna, NDEF hpe sha galoi mung hkam la lu ai. MIFARE Classic hte kaga chip nkau mi hta, formatting galaw ai lam gaw nang galaw ai lam rai nna, structure gaw kalang -program galaw mai ai ginra langai mi hta hkrat wa ai. Dai majaw format galaw ai gaw prat tup na matu re. Unformat ngu ai matsun n nga ai, nang hpe jaw na vendor tool mung n nga ai.

 

Lahkawng ngu na gaw .Payload hpe ka ai: NDEF shiga hta record langai (sh) law law lawm ai, law malawng gaw URL langai hpe madun ai URI record re. Ndai gaw yawng sumla hkrung galaw ai daw re. Payload ka ai lam ni gaw, shingra tara hku nna bai kahtap galaw mai ai majaw, marketing hpung langai gaw, shata kru na ai hpang, hardware hpe bai gram lajang ai lam n galaw ai sha, campaign tag hpe bai nhtang galaw lu ai.

 

Masum ngu na gaw .hkrang shapraw ai lam: password byte ni, lock bits ni, shingran katsi ai lam ni, shang na masa ni, tengman ai lam hpe madi madun ai key ni. Ndai layer gaw n mai nhtang wa ai dawdan lam ni nga ai shara rai nna, gara consumer tutorial mung n hkra ai layer rai nga ai. NFC tags ni hpe program galaw na matu myit da ai rai yang, shi a grup yin hta shimlam lamu ga jarit nga ai rai yang, configuration layer gaw project rai nga ai.

 

Ndai masum hpe na a bawnu hta garan tawn da ai gaw batch langai hpe n-gun n rawng hkra pat shingdang ya ai lam rai nga ai. Anhte sawk sagawn ai write hkrat sum ai lam law malawng gaw payload hkrat sum ai lam n re. Shanhte gaw marai langai ngai n chye ai formatting masa (sh) configuration masa ni rai nga ai.

 

NFC Tag Chip Amyu ni hpe Program n galaw shi yang shingdaw yu ai

 

NFC tags ni hpe scale hku gara hku program galaw na ngu ai hpe grai ahkyak ai dawdan lam shagu gaw ndai table kaw nna hpang wa ai, hpa majaw nga yang memory ceiling hte platform madi shadaw ai lam hpe chip lata ai aten hta sha tawn da ai majaw hpang de software hta patch n mai galaw ai.

 

Chip	lang ai wa a myit dum	NFC Forum amyu	Hpaga rung NDEF mungdaw	Password / sumri makawp maga ai lam	iPhone NDEF hti + ka
NTAG 213	Bait 144	Amyu 2	Shawng - hkrang shapraw da ai	32-bit PWD / 16-bit PACK	Mai sa
NTAG 215	504 bait	Amyu 2	Shawng - hkrang shapraw da ai	32-bit PWD / 16-bit PACK	Mai sa
NTAG 216	888 bait	Amyu 2	Shawng - hkrang shapraw da ai	32-bit PWD / 16-bit PACK	Mai sa
MIFARE Nhtoi htoi ai EV1.	48 (sh) 128 byte	Amyu 2	Format galaw mai ai	32-bit PWD / 16-bit PACK	Mai sa
MIFARE moi na 1K	1,024 bytes yawng, 716 daram gaw NDEF hpe kalang mi galaw shapraw ai block hte 16 sector trailer ni hpe dawm kau ai	NFC Forum amyu n re	Format galaw mai ai, sector- hpe madung tawn ai	CRYPTO-1 daw sumri A/B	N re ai
MIFARE wan hkru ai EV3.	2 KB kaw nna 8 KB du hkra, file- hpe madung tawn ai	Amyu 4	Application galaw ra ai .	AES-128 / 3DES, file langai hpra hpe shang na ahkaw ahkang	Mai sa
NTAG 424 DNA	416 byte yawng rai nna, 32 byte atsam rawng ai hka htung langai, 256 byte rawng ai NDEF file langai hte 128 byte rawng ai makawp maga da ai data file langai hku nna garan nna .	Amyu 4	Shawng - lajang da ai file ni	AES-128 key manga, 3-pass shada da kam hpa ai lam	Mai sa

 

NTAG21x sumla ni, lock-bit akyang lailen hte 2 / ISO/IEC 14443 A hkan sa ai lam ni hpe hkan sa ra ai.NXP NTAG213/215/216 arung arai jahpan laika. MIFARE Classic 1K hkrang gaw NXP data laika man langai hta MF1S50yyX (sector 16 × block 4 × byte 16) langai hta lawm ai. MF3D(H)x3 langai hta EV3 hpe sat kau u. NTAG 424 DNA hpe myit dum ai lam langai hpra htaNXP.

 

Gara software hpe mung n lata shi yang, project law malawng hpe column lahkawng dawdan ya ai: memory ceiling hte iPhone column. Table n tsun dan lu ai gaw yield re. Teng sha tsun da ai chip gaw, encoding step a hpang e verification pass n nga ai rai yang, reject ni hpe naw shapraw ya nga ai, dai gaw ndai laika a lahkawng ngu na daw a lam rai nga ai.

 

NTAG 213, 215 hte 216: Laksan lata la ai lam hte shi a tengman ai npawt nhpang

 

Inbound project manga hta na mali daram a matu, ndai dinghku gaw teng man ai mahtai rai nna, NTAG 215 NFC tags ni hpe gara hku program galaw na hpe sharin la na matu phone app hte second jahku shi daram aten la ra ai. Chip gaw NDEF-format hte shagun dat ai, handset shagu hta n galai shai ai hku galaw ai record amyu gaw URI record langai sha rai nna, Android hte iOS lahkawng yan gaw SDK bungli n galaw ai sha ka da ai.

 

 

Dai hta n-ga, digital business card program shagu ngu na daram a hpang e nga ai dinghku mung rai nga ai, dai hta vCard (sh) URL record langai sha gaw payload yawng rai nna, physical format gaw chip hta grau ahkyak ai. Dai order law malawng gaw 2019 hta ngut mat ai.Hpraw ai PVC NFC card nisticker ni hta grau nna, hpa majaw nga yang, dai card gaw wallet langai hpe hkrung nga ra nna, print langai hpe la ra ai.

 

Masha ni myit mada ai hta grau lawan ai hku ceiling du wa ai. NTAG213 gaw nang hpe 144 byte jaw ai, NDEF message gaw na a URL sha n re. Na a address kaw na laika langai mi hpe n bang shi yang TLV wrapper, record baw, type field, length field ni nga ai. URI record gaw, n-gun rawng ai prefix ni hpe shinggrup da ai.https://www.byte langai mi de, dai gaw byte shi kaw nna lahkawng shi du hkra bai lu la ai, 144-byte daw hta dai shai hkat ai lam gaw, htuk manu ai hte hkrat sum ai lapran na line rai nga ai. Team ni hpe rim la ai shara gaw URL n re ai sha, kaga lam ni rai nga ai: shinggyim masha ni hti lu ai label a matu text record hpe bang dat ai, Android Application Record hpe bang dat ai majaw, dai tag gaw browser a malai app langai hpe hpaw ya ai, shim lum ai payload gaw overflow error byin wa ai.

 

Anhte a rule of thumb, ndai zawn re ai lam hpe ndai ni kaw na wan loi mi hpe encode galaw ai hku nna sha sharin la lu ai: query parameters ni lawm ai yaw shada ai URL gaw 90 daram jan ai rai yang, NTAG213 hpe tsun ai hpe jahkring kau nhtawm, ntsa de lung wa u. 213 hte 215 lapran na unit manu shai hkat ai lam gaw kaji ai majaw, bai gram lajang ai mid-program a matu hkrit tsang hpa hpe galoi mung n mai byin ai daram rai nga ai. Hpang e UTM parameters (sh) tag URL shagu hta serial number bang mayu ai campaign gaw 213 kaw bunghku hpe hkra nna 215 kaw n hkra na re.

 

Ndai dinghku ntsa password makawp maga ai lam hpe hkrak chye na na matu manu dan ai, hpa majaw nga yang, "password" ngu ai ga si hta grau n-gun kya ai majaw re. 32-bit PWD manu hpe clear hta shalai ya nna, chip hku nna jep yu ai, dai gaw lata la ai laika man kaw nna, ka na ahkang, hte lata la mai ai hku hti na ahkang hpe gates galaw ya ai. Dai gaw, chye mayu ai mung shawa langai mi hpe phone hte na a tag hpe bai ka ai hpe pat kau ya ai. Dai gaw cryptographic hkang ai lam n re ai sha, client langai hpe langai zawn galoi mung n tsun dan ging ai. Bai nna, prat shagu gaw dai hpe tsep kawp n madi shadaw ai hpe mung sadi ra ai: moi na NTAG203 hta password mechanism hpa mung n nga ai, dai hpe ninghkap na matu makawp maga ai shaga ai lam ni gaw asan sha hkrat sum mat ai lam hpe laika buk laika buk ni hta asan sha tsun da ai (nfcpy laika buk).

 

MIFARE Classic: Android kaw ka mai ai, iPhone kaw gaw hkrak n lawm ai

 

Ndai kaw gaw kaga lam langai mi hta grau nna NFC masing ni hpe jahtum kau ya ai compatibility trap rai nga ai. MIFARE Classic gaw NFC Forum tag amyu n re, ISO/IEC 14443-3A card langai mi rai nna, shi a madu ai sector hte key structure hpe shawng tawn nna, NDEF ecosystem hpe sha madi shadaw ya ai. ntsa kaw layer galaw da ai.

 

 

Android gaw dai zuphpawng hpe hparan ya ai. iOS hta n galaw ai. Apple a Core NFC gaw MIFARE Classic hpe galoi mung n madi shadaw ai, ndai platform a madi shadaw ai MIFARE dinghku ni gaw Ultralight, Plus hte DESFire ni hta sha madung tawn ai, ndai shara hpe galaw ai ni gaw Apple a forum ni hta kalang lang madi shadaw da ai (Apple galaw ai ni a zuphpawng). IOS gaw card a memory hpe direct n lu address ai majaw, iPhone langai mi gaw NDEF hpe n mai ka ai sha n-ga, dai kaw bang da ai NDEF hpe mung n mai madun dan ai.

 

Ndai lam hpe jep joi ai shaloi grai hkrit tsang hpa byin shangun ai lam gaw, MIFARE Classic tags ni gaw iPhone langai hta si ai zawn n pru ai majaw re. Card gaw ISO 14443-A UID hpe madun dan ai majaw, Shortcuts app gaw shi hkum shi galaw ai trigger hku nna kabu gara let hkap la na re, background scan galaw ai shaloi, madi shadaw ai amyu langai a shawng de shinggyin tawn da ai NDEF record hpe naw hpaw lu ai. Shanhte a iPhone kaw na sample hpe chyam yu ai procurement ningbaw langai gaw mahtai hpe mu nna, sign off galaw kau ai. Shanhte mu ai akyang lailen gaw, dai tag a memory contents hte hpa n seng ai, dai ladat yawng gaw, iPhone ni teng sha hti lu ai per-unit URL ni hpe project ra ai aten hta hkrat sum mat ai.

 

Ndai kaw na hkrat sum mat ai tatut tara gaw: iPhone vs Android a matu NFC tags ni hpe gara hku program galaw na hpe shingdaw ai wa kadai mung, galaw shapraw ai chip hte platform lahkawng yan hta hkap la ai chyam dinglik ai lam hpe galaw ra ai, Android langai sha hta galoi mung n galaw ra ai, mari na matu order hta lawm ai chip hte n bung ai chip a sample hta galoi mung n galaw ra ai.

 

Ndai hpaji jaw ga hpe asan sha tsun dan mayu ai, hpa majaw nga yang "na a lang ai lam hta madung nga ai" ngu ai gaw ndai kaw akyu rawng ai mahtai n re. Na a NFC tags ni hpe mung shawa ni tap galaw na rai yang, MIFARE Classic hta lai nna kaga hpa hpe mung tsun dan u.

 

Classic-based access system kata kaw nga sai team ni a matu, dawdan ai lam gaw galai shai ai lam langai de shayawm kau ai, dai gaw tags ni n re. Na a laika hti ai ni a lamu ga a ngam nga ai service life re. Dai laika hti ai ni hta lahkawng masum ning naw ngam nna, gara smartphone mung dai credential hpe galoi mung n hkra lu ai rai yang, Classic hpe closed loop hku matut galaw ai gaw makawp maga mai ai shaga ai lam rai nna, tatut galaw mai ai ga san ni gaw encoding ladat hta grau nna IC sourcing hte UID format byin wa ai, dai hpe anhte a notes ni hta 2019 ning hta cover galaw ai lam rai nga ai.MIFARE 1K masat kumla ni hpe jung da ai system de hkan sa ai. Laika hti ai ni hkum nan dai window kata kaw galai ra ai rai yang, galai shai ai masat da ai lam a matu gumhpraw hkum jai lang. Estate ting hpe AES-based daw de lahkam langai hta htawt nna, manu hpe kalang sha hkam la u.

 

Dinghku langai kaw sha lahkawng ngu na hkalem hkalau ai lam nga ai, dai gaw QA cycle hpring tup hpe lai di lu hkra n mu lu ai. Record langai mi hta Smart Poster wrapper hpe bang ai shaloi, URL langai mi hta title langai mi hpe n-gun jaw na matu, n-gun jaw ai ladat hku nna, n-gun jaw ai ladat ni gaw, record amyu hpe galai shai kau ya ai. Dai hku shinggrup da ai record ni hpe iOS background scanning hku nna tsep kawp n hkam la lu ai, kata kaw hpa baw bang da ai hpe n sawn ai sha. Android chyam dinglik ai lam gaw device shagu hta lai mat wa ai, iPhone ni hpa mung n galaw ai, gara shara kaw mung error message n nga ai hpe jep chyoi lu ai.

 

Ultralight, DESFire hte NTAG 424 DNA: Program galaw ai lam gaw ahkyak ai hparan hpareng ai lam byin wa ai shara

 

MIFARE Ultralight EV1 gaw NTAG21x hte ni htep ai hku dung nna, dai hta NFC tags ni hpe mung dai zawn sha program galaw ai, 48 (sh) 128 bytes ngu ai memory budget kaji ai hte password gate class langai sha re. Concept hku nna hpa mung nnan n byin ai.

 

DESFire hte NTAG 424 DNA gaw kaga hpaji langai mi rai nga ai. Ndai Type 4 daw ni hta nang gaw flat memory map de bytes ni hpe n ka ai, per-file access ahkaw ahkang nga ai file system langai mi hpe galaw nga ai, lachyum pru ai bungli shagu hta AES-128 key hte shawng hkan sa ra ai. NTAG 424 DNA gaw, customer ni masat da ai AES key manga hpe gun hpai ai, makawp maga da ai data file a matu 3-pass shada da kam hpa ai lam hpe lang ai, hardware hte software lahkawng yan hta Common Criteria EAL4 masat masa hpe gun hpai ai. NFC tags ni hpe asan sha redirect galaw ai hta grau nna, product authentication a matu program galaw ai team ni gaw, ndai daw hpe laksan tam chye ma ai, hpa majaw nga yang, langai mi a majaw re.

 

Dai gaw, SUN ngu nna ka chye ai, Secure Dynamic Messaging re. Dai hpe hpaw da ai shaloi, chip gaw tap shagu hta galai shai ai lam ni hpe madun dan ai: chip gaw shi a UID hte monotonically jat wa ai read counter hpe URL de mirror galaw nna, lata la mai ai hku nna encrypt galaw da ai, nang hte chip hkam la ai key langai hte sha hti ai CMAC hpe append galaw ai. Dai hpang na a backend gaw sumla hkrung galaw da ai URL kaw na tengman ai tag hpe chye lu nna, tap nambat 4,000 kaw na tap nambat 4 hpe chye lu ai.

 

Dai hpe hkrak hkrak configure galaw ai gaw, specification hpe gara kaw bite ai. Mirroring tara ni gaw free-form n re: PICC data hpe encrypt galaw da ai shaloi, UID hte read counter hpe mirroring galaw na matu n ra ai sha, ra sharawng ai lam byin wa ai, dai lahkawng gaw galoi mung rau hkawm sa ai, CMAC gaw NDEF message a jahtum kaw dung ra ai. Dai constraints ni a grup yin hta na a URL structure hpe design galaw u, kaga hku n rai, offsets ni n hparan lu nna backend gaw hti shagu hpe ningdang kau na re.

 

SUN deployment ni hta anhte law malawng mu lu ai hkrat sum ai lam gaw dai lam ni hte hpa n seng ai. Shawa masha ni a matu hkan sa ai lam hte demo server shagu gaw, factory-default all-zero keys ni hte configure galaw da ai, hpa majaw nga yang, dai gaw demo hpe box kaw na pru wa hkra galaw ya ai lam rai nga ai. Dai hpe ninghkap ai hku nna, hkrang shapraw ai lam gaw bungli galaw nna, key rotation step gaw launch checklist de galoi mung n shang lu ai. Dai majaw, anhte a sample shapraw ai ladat gaw, demo a matu lang ai hpa hpe raitim, n rai, galaw shapraw ai unit ni hta key diversification hpe jep yu ai.

 

NFC Tags ni hpe Program galaw ngut ai hpang n mai nhtang wa ai Operation kru

 

Payload bai ka ai gaw manu n hkrat ai. Ndai ni gaw n re. Lahta na langai hpra gaw, batch of tags hpe fixed asset de galai shai kau ya ai dawdan lam rai nna, langai hpra gaw anhte hkum nan galai ra ai scrapped inventory a majaw byin wa ai.

 

Hpyen gasat ai lam	Hpa galaw ai	Hpa majaw n mai gram lajang ai .	Gara aten hta aten masat da ra ai .
NDEF hkrang shapraw ai	Atsam rawng ai hka htung hpe ka ai	-lang-program galaw mai ai myit dum ai lam hta lamu ga ni	Hpaga rung kaw, chip amyu hpe kam ngut ai hpang
N shamu n shamawt ai pat da ai daw ni	Type 2 chips ni hta shawng na laika man 16 hpe pat da ai	Lock bits ni hpe-sha set galaw da ai rai nna, bai gram n mai galaw ai	Hpang jahtum na lam ni hpe sign off galaw ngut ai hpang she
N-gun ja ai lock daw ni	NTAG213 hta 96, NTAG215 hta 456 hte NTAG216 hta 840 hpe shinggrup da nna, NTAG213 hta laika man 2 hte NTAG215 hte NTAG216 hta laika man 16 a granularity hta, lawu de tang madun da ai NXP jahpan laika hta hkan nna, shinggrup da ai.	Set langai sha-sha ladat, prat tup langai sha	Static lock ni hte bung ai chyinghka
Laika -sha galai na	NDEF ka ai masat dingsat hpe prat tup tawn da ai	Inverse matsun n nga ai	Hkai sun chyam dinglik ngut ai hpang galoi mung n galaw yu ai
NTAG 424 DNA ntsa LRP ladat	AES hpe hka lim ai-hkam sharang lu ai bungli de galai kau ai	SetConfiguration hku nna galaw ya ai, AES masa de bai nhtang wa na lam n nga ai	Document galaw da ai hkrit tsang hpa hkrang langai mi ra ai rai yang she
Escrow n lawm ai Key galai ai	Factory kaw na AES key ni hpe galai kau ai	Key nnan sum mat yang, chip hta bai lu la na lam n nga ai.	Kalang sha key custody hpe tara shang ap ya ai

 

Dai page granularity gaw, program galaw ngut ai hpang NFC tag hpe gara hku lock galaw na ngu san ai shaloi, masha law malawng n mu lu ai tatut galaw mai ai lam rai nga ai. Locking gaw yawng-shnr-hpa n nga ai hpe galai shai ai langai sha n re. NTAG215 hte NTAG216 hta laika man 16 lawm ai block ni hta lock galaw mai ai, dai gaw kayau kaya layout hpe mai byin hkra galaw ya ai: serial number ginra hpe factory kaw lock galaw da ai, campaign URL ginra hpe marketing hpung a matu ka mai ai hku tawn da ai. NTAG213 hta granularity gaw laika man lahkawng rai nga ai, grau kaja ai raitim grau kaji ai lamu ga sumla hpe lai di ai. Boundary hpe dawdan ai gaw design bungli langai rai nna, encoding run garai n galaw shi yang byin ra ai, ngut ai hpang n galaw ra ai.

 

Gawgap na matu manu dan ai akyang gaw, encoding chyinghka hte locking chyinghka hpe garan ginhka ai lam re. Anhte gaw customers ni hpe order galaw ai shara kaw locking galaw na matu hpaji jaw ga ai, dai a lachyum gaw hpaji masa n re ai sha, hpaga lam hte seng nna sha rai nga ai.

 

Anhte a order labau hta, law dik htum post-delivery hpyi shawn ai lam gaw, n kaja ai lam n re, du na shara galai shai ai lam re, dai gaw shawng nnan na magam bungli shaning kata hta shinggyin hpawng nga ai. Galoi mung byin shangun ai lam ni gaw landing page hpe htawt sit ai (sh) agency hpe ap ya ai lam ni rai nna, dai lahkawng hta na langai mi mung order bang ai aten hta n mu lu ai. Ndai lam hpe galaw na matu kadai a hkrat sum ai jahpan hpe mung n ra ai, hpa majaw nga yang, asymmetry gaw shi hkrai shi dawdan ai: galoi mung galai shai ra ai unlocked tag gaw nang hpe hpa manu n jaw ra ai, galai shai ra ai locked tag gaw galai shai na matu hkum tsup ai order hte bai gram lajang na bungli hpe jat bang ra ai. NFC tags ni hpe shawng program galaw nna, field trial hpe galaw ngut ai hpang lock galaw u.

 

Chip hpe jep yu ai gaw Invoice hta tsun da ai hte maren re

 

 

Chip a tengman ai lam gaw ndai garan ginhka ai hta paranoid myit tsang lam n re, dai gaw n-gun rawng ai hku shang wa ai- jep joi ai lam langai mi rai nna, NFC tags ni hpe galaw shapraw ai n-gun hta program n galaw shi yang galaw ai kaga jep joi ai lam ni hte maren QC lahkam langai sha hta lawm ai. NXP a NTAG, MIFARE, Ultralight hte ICODE dinghku ni langai hte langai gaw chip galaw ai shaloi ka da ai ECC-madung tawn ai npawt nhpang masat kumla hpe gun hpai ai, NTAG21x daw ni hta 32 bytes nga ai, dai hpe bai hti nna galaw shapraw ai wa a shawa key hte shingdaw nna jep joi mai ai. Hkum tsup ai hku galaw ai tag gaw dai check hpe naw hkrat sum lu ai.

 

Ndai lam gaw gat lawk yin la ai hta grau nna byin wa ai. NTAG21x tags hpe general retail channels hku nna mari ai engineer ni gaw, sample ni gaw tsun da ai hte maren hkrak sha bungli galaw ai, counter mirroring lawm ai, raitim, originality verification npu hta clone silicon hku nna tsun dan ai, NXP a shapraw ai mahtai gaw, dai zawn re ai daw ni hpe n mai lang ai majaw, dai zawn re ai daw ni hpe n mai lang ai majaw re. n-gun kya ai (NXP Wuhpung Wuhpawng).

 

Operational consequence gaw masha ni myit mada ai hta grau n-gun n rawng ai, hkrak tsun dan na matu manu dan ai. Na a application gaw marketing redirect rai yang, clone chip gaw nang hpe atsawm sha daw jau na rai nna, nang hpa n sawn na re. Na a application hta tengman ai lam, galai shai ai sakse, shing nrai, na a customer hpe galaw ai anti-hkalem hkalau ai lam ni hpe tsun ai lam ni lawm yang, n jep chyoi lu ai chip gaw, dai shara yawng hpe n tara ai hku galaw kau ya nna, tengman ai encoding kade daram mung dai hpe gram lajang ya lu na n re. Dai jep chyoi ai lam gaw, hti ai app hte sample langai hta second loi mi sha ra ai, dai gaw post-mortem hta n-ga, na a shang wa ai QC ladat hta lawm ai. Ka ai lam ngut sai raitim, hti ai wa atsin sha nga ai wa a matu, matut mahkai hti ai lam:Hpa majaw cloned sticker gaw kaja ai hku hti nna chyinghka kaw naw hkrat sum nga ai.

 

MIFARE Classic Hkamja Lam Ga San, Tengman ai hku bai tsun dan ai

 

Dai ni MIFARE Classic hpe tsun shaleng ai wa kadai mung, lai wa sai shaning shi ning daram hta ndai platform a mying gumhkawng ai lam hta grau nna, ya na sawk sagawn ai shara kaw nna bungli galaw ra ai.

 

2024 ning hta, 2020 ning hta shapraw ai MIFARE Classic hte htuk manu ai chip FM11RF08S hpe sawk sagawn ai shaloi, chye da ai card-sha gasat gala ai lam yawng hpe ninghkap na matu laksan galaw da ai ninghkap ladat ni lawm ai, dai ninghkap ladat ni hpe dang kau nna, hardware process backdoor hpe hpaw shadan dan ai. Backdoor gaw, dai hpe chye ai kadai mung, card ntsa na user-defined key shagu hpe, hkum hkrang hku shang lu ai minit loi mi laman, n-gun jaw lu ai, ndai gaw card langai hta key ni hpe hkum tsup hkra garan ginhka da ai shara ni hta pyi hkam la lu ai (Makoi magap hpaji ePrint Laika Buk). Dai hte seng ai backdoor key ni hpe grau dam lada ai daw ni hta mu lu ai, dai hta shawng na Fudan prat ni hte NXP hte Infineon jak ni hpe mung lawm ai.

 

Dai kaw nna shut ai dawdan lam n lu shi yang, dai hpe atsawm hti yu u. Ndai gaw MIFARE Classic lang ai masha shagu hpawt ni dan dawng wa na ngu ai ga san n re, anhte mung langai hku nna n shadan dan ga ai. Wan hku law ai Classic credentials ni gaw, card langai hpe clone galaw ai shaloi, gasat gala ai wa hpe gym locker de shang lu na matu, n-gun n law ai makau grup yin ni hta bungli galaw nga ai. Ndai chip dinghku hte rau, "shim lum ai" ngu ai ga si gaw, masat da ai laika buk langai mi hta gara shara kaw mung n lawm ging ai, Classic silicon hta hotel nta, rung de shang na matu, shing nrai, gumhpraw n bang ai sha gumhpraw bang na matu NFC tags ni hpe program galaw na kadai mung, AES-based part de htawt sit ai lam hpe budget cycle langai sha hta manu jahpu jaw ra ai ngu ai ga si hpe tsun shadut ai lam rai nga ai.

 

NFC Tags ni hpe law law lang Program galaw ai: Unit hkying mi jan hta hpa galai shai wa ai

 

Ya du hkra tsun dan ai lam yawng gaw n kaja ai hku scale galaw ai. Phone app langai gaw batch record n ​​nga ai, verification pass n nga ai, dai hpang gara URL gaw gara physical unit de shang mat ai hpe sakse madun na matu ladat n nga ai sha, tag langai hpe ka ai. NFC tags ni hpe law law lang gara hku program galaw na ngu ai hta tier masum nga ai, dai lapran na jump gaw hpaji masa hta grau nna operational re.

 

Shawng nnan na tier gaw phone hte app langai rai nna, unit latsa daram hpe mai lang ai, prototype hte kata na pilot ni a matu htap htuk ai.

 

Lahkawng ngu na tier gaw, nta kata na hpung law malawng du ai shara re: nang gaw desktop ntsa kaw hti ai wa hte NFC tags ni hpe program galaw ai, batch file langai mi hte shachyut ai, laksan hku nna ACR12xx (sh) uTrust class kaw na USB encoder hku nna galaw ai. Chip galai shai ai aten du hkra kaja wa bungli galaw ai. Ndai shara hta grai lang ai open-source batch tool gaw, ga shadawn, ACR122 hpe madung tawn nna, MIFARE Ultralight hte Ultralight C hpe sha encode galaw ai, dai ni gaw Type 2 daw ni rai nga ai, dai majaw dai project hpe Type 4 chip de htawt ai gaw, config hpe gram lajang ai hta grau nna, tool hpe bai gawgap ai lachyum rai nga ai. Ndai tier a matu hardware hpe naw lata nga ai rai yang, anhte aUSB hte desktop NFC hti ai-ka ai sharandai toolchains ni myit mada ai laika hti ai ni a kasi ni hpe shinggrup da ai.

 

Masum ngu na tier a matu industry practice gaw galaw shapraw ai shaloi pre-encoding galaw ai lam rai nna, ndai gaw mari ai ni law malawng n chye ai tier rai nga ai. 3,600 m2 plant langai mi hta anhte a line ni hta, encoding gaw chip bonding hte hpang jahtum hpawng de ai lapran kaw dung nga ai, tag langai hpra hpe shara de index galaw ya ai jak ni hta, record hpe ka nna, tag n hkawm shi yang bai hti yu ai. Verification pass gaw yawng hpe tsun mayu ai. Read-back n lu hti ai tag hpe field kaw na customer langai mi mu tam ai hta -line kaw ningdang kau nna, batch gaw UID (sh) TID shagu hpe dai hta ka da ai hkrak tup ai lam hte matut mahkai ya ai mapping file langai mi hte pru mat wa ai, dai gaw na a CMS (sh) analytics platform hpe shawng nnan shani ra ai lam rai nga ai. Hpaga lam galaw ai line manga hta automated bonding atsam gaw lani mi hta chips 100,000 jan galaw ai majaw, encoding gaw lead time hpe pat shingdang ai lam n byin wa ai.

 

Dai tsun sang lang dan ai lam hta, myit mada let, tawn da ai lam gaw, hkap la ai lam a npawt nhpang rai nga ai. Read-back verification gaw pass/fail gate langai mi rai nga ai, raitim, nang ga sadi hte maren hkap la ra ai hkrat sum ai lam gaw chip dinghku, form factor, hte dai hpang tag hpe laminated galaw nga ai kun ngu ai hku nna shai ai; anti-metal sticker hte PVC card gaw line langai kaw sha n bung ai hku n galaw ai. Dai nambat gaw, article langai mi hta n re ai sha, na a specific build hpe ninghkap ai quote langai mi hta lawm ai, program nnan hpang ai shaloi anhte shawng nnan tawn da ai lam re.

 

Anhte a atsam marai lamu ga jarit hpe gara kaw ka da ai hpe asan sha tsun dan na matu manu dan ai, hpa majaw nga yang, dai gaw part supplier ni chyahkring hkring blur galaw chye ai majaw re. Anhte gaw NFC tag ni hpe na a URL template hte pre-program galaw nna, unit langai hta serial galaw nna, tag shagu hpe jep joi nna, mapping file hpe sa ya na re. Nang jaw ai AES keys ni hpe anhte lajang ya na re. Anhte gaw na a galaw shapraw ai key ni hpe n hkam la na, na a hkan sa ai backend hpe n galaw na, application-layer shimlam hkrang hpe hkrak hkra galaw lu ai ngu ai hpe mung n tsun na. Dai daw gaw na a rai nna, kaga hku tsun ai supplier langai ngai gaw, n nga ai risk transfer hpe nang hpe dut ya nga ai.

 

Encoding Run garai n galaw shi yang, hparan ra ai ga san 9

 

Ndai hpe sample ni du wa ai hpang n re ai sha, mari na matu order garai n galaw shi yang galaw u. Arung arai langai hpra gaw anhte hpe hkye la na matu tsun da ai n yawm htum bungli masing langai hpe ngut kre sai.

 

#	Ga san	Hpa majaw chip hpe dawdan ai .
1	iPhone ni gaw ndai tag ni hpe tap na kun?	MIFARE Classic hpe myit sawn sumru ai lam kaw na tsep kawp yeng seng kau ai
2	Htawm hpang na parameters ni lawm ai URL galu kaba ai lam hkum tsup ai gaw kade rai na kun?	NTAG213, 215 (sh) 216 hta npu hpe tawn da ai.
3	Record langai sha ram ai kun, shing nrai text record (sh) app record mung ra ai kun?	Jaw bang ai record ni gaw memory budget hte maren sha jai lang ai
4	Tag a service prat laman hta du na shara galai shai na kun?	Locking hpe galoi mung hkap la mai ai kun ngu ai hpe dawdan ai
5	Application gaw jahtum lang ai ni hpe tengman ai lam tsun ai kun?	NTAG 424 DNA (sh) DESFire de nang hpe shadut ya ai
6	AES key ni hpe kadai ni jum nna shinggrup ai kun?	Key langai ngai hpe n galai shi yang ap ya ra ai
7	Deliver galaw ai batch langai a matu hkap la ai masat masa gaw hpa rai kun?	Read-bai jep joi ai lam gaw ga shaka hte seng ai kun ngu ai hpe tsun dan ai
8	UID-to-gaw lawm ai lam ni hpe masat da ai file ra ai kun?	Run garai n galaw shi yang tsun da ra ai, 2019 ngut ai hpang n hpyi shawn ai.
9	Originality lata masat jep chyoi ai lam gaw shang wa ai QC hta lawm ai kun?	Chip sourcing hpe jep joi mai ai kun ngu ai hpe dawdan ya ai

 

Dai 9 hpe yawng hpe htai lu ai hpung ni gaw, shawng nnan lang shakut ai shaloi, san seng ai galaw shapraw ai lam hpe lu la ma ai. hta na kru hpe htai lu ai hpung ni gaw ngam ai masum hpe manu dan ai hku mu tam chye ma ai.

 

Ga san 9 gaw, generic version re. Anhte teng sha bungli galaw ai langai mi gaw, shi ngu na column hpe jat bang ya ai, mahtai gaw, yawng hpe n yu ai sha, na a build a matu hkrak ai, dai column gaw, ndai laika buk n mu lu ai lam ni hta madung nga ai: na a handset mix, na a reader estate, na a lamination process, serialization hpe sequential (sh) random hku galaw ra ai kun ngu ai lam ni hta madung nga ai. Shawng na mahtai 9 hpe anhte hpang de sa dat u, anhte gaw na a masat da ai hte nhtan shai ai annotated version hpe bai nhtang jaw na re.

 

Ndai lam gaw mari ai wa hpe gara kaw tawn da ai

 

NFC tags ni hpe gara hku program galaw na ngu ai hpe general ladat n nga ai, chip langai, platform langai, volume langai hta ladat langai sha nga ai. Memory ceiling hte iPhone ga san hpe shawng san ai chip hpe lata la u. Format, payload hte configuration hpe garan ai chyinghka masum hku nna mu mada u. Field trial garai n galaw shi yang galoi mung hkum lock. Shang wa ai sample ni hta original hpe jep yu u. Unit hkying mi jan rai yang, apps ni hpe myit ai hpe jahkring kau nhtawm, verification hte traceability hpe myit hpang u.

 

Specification langai hpe ka da sai rai yang, anhte gaw lahta na chip constraints ni hte shingdaw nna bai maram yu nna, galaw shapraw ai lam hta n hkrung nga lu ai lam ni hpe flag galaw na matu kabu gara ga ai, nanhte a actual reader ni hte handset ni hta chyam yu na matu manu jahpu n jaw ra ai sample ni hpe mung lu la mai ai. kaw nna mung hpang mai ai.NFC tag hkrang ni hpe anhte shawng -program galaw nna-nta kaw jep yu aichip dawdan ai lam naw hpaw nga ai rai yang, shing nrai .Encoding bai maram yu na matu URL hkrang hte yaw shada ai nsen hpe sa dat ugram lajang da sai rai yang.

 

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