{"id":74249,"date":"2020-03-15T20:42:16","date_gmt":"2020-03-15T17:42:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/issledovanie-dlya-bezopasnosti-shestiznachnye-pin-kody-ne-luchshe-chem-chetyrehznachnye"},"modified":"2020-03-15T20:42:16","modified_gmt":"2020-03-15T17:42:16","slug":"issledovanie-dlya-bezopasnosti-shestiznachnye-pin-kody-ne-luchshe-chem-chetyrehznachnye","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/issledovanie-dlya-bezopasnosti-shestiznachnye-pin-kody-ne-luchshe-chem-chetyrehznachnye","title":{"rendered":"Uuring: kuuekohalised PIN-koodid ei ole turvalisuse osas paremad kui neljakohalised","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Saksa-Ameerika teadlaste meeskond, kaasates vabatahtlikke uuris<\/a><\/noindex> ja v\u00f5rdles kuue- ja neljakohaliste PIN-koodide turvalisust nutitelefonide lukustamiseks. Nutitelefoni kadumise v\u00f5i varguse korral on hea olla kindel, et teave on kaitstud h\u00e4kkerite eest. Kas see t\u00f5esti nii on?<\/p>\n

\"Uuring:<\/p>\n

Filipp Markert Horst Gertzi IT-turbe instituudist Boonuse Ruhr \u00dclikoolist ja Maximilian Golla Max Plancki nimekra turvalisuse ja privaatsuse instituudist leidis, et praktikas valitseb ps\u00fchholoogia matemaatika \u00fcle. Matemaatiliselt on kuuekohaliste PIN-koodide usaldusv\u00e4\u00e4rsus oluliselt k\u00f5rgem kui neljakohaliste omad. Kuid kasutajad eelistavad teatud numbrikombinatsioone, mist\u00f5ttu m\u00f5ningaid PIN-koodide kasutatakse sagedamini, mis peaaegu h\u00e4vitab erinevuse keerukuses kuue- ja neljakohaliste koodide vahel.<\/p>\n

Uuringu k\u00e4igus kasutasid osalejad Apple'i v\u00f5i Androidi seadmeid ning seadsid nelja- v\u00f5i kuuekohalisi PIN-koodid. Apple'i seadmetes iOS 9 versioonist alates on rakendatud keeldude nimekiri, mis sisaldab keelatud numbrikombinatsioone PIN-koodide jaoks, mille valimine on automaatselt keelatud. Teadlaste k\u00e4sutuses olid nii kahe keeldude nimekirja (kuue- ja neljakohaliste koodide jaoks) kui ka arvutiga kombinatsioonide genereerimine. Apple'ilt saadud neljakohaliste PIN-koodide keeldude nimekiri sisaldas 274 numbrit ning kuuekohaliste oma 2910.<\/p>\n

Apple'i seadmete puhul antakse kasutajale 10 katset PIN-koodi sisestamiseks. Teadlaste arvates ei oma sel juhul keeldude nimekiri praktiliselt mingit m\u00f5tet. 10 katsega on raske \u00e4ra arvata \u00f5iget numbrit, isegi kui see on v\u00e4ga lihtne (n\u00e4iteks 123456). Androidi seadmete puhul on 11 tunni jooksul v\u00f5imalik PIN-koodi siseneda 100 korda, ja sel juhul on keeldude nimekiri usaldusv\u00e4\u00e4rsem vahend, et hoida kasutajat lihtsa kombinatsiooni sisestamisest ja v\u00e4ltida nutitelefoni h\u00e4kkimist numbrite genereerimise kaudu.<\/p>\n

<\/center><\/p>\n

Eksperimendis valis 1220 osalejat ise oma PIN-koodid, samas kui katsetajad \u00fcritasid neid 10, 30 v\u00f5i 100 katsega \u00e4ra arvata. Kombinatsioonide valimist tehti kahel viisil. Kui keeldude nimekiri oli aktiveeritud, r\u00fcnnati nutitelefone numbritega, mis rippusid loendist. Ilma keeldude nimekirjata algas koodi s\u00f5elumine loendi numbritest (kuna need on k\u00f5ige sagedamini kasutatavad). Katse k\u00e4igus selgus, et h\u00e4sti valitud neljakohaline PIN-kood on katsete arvu piiramise korral piisavalt turvaline ja isegi veidi turvalisem kui kuuekohaline.<\/p>\n

K\u00f5ige levinumad neljakohalised PIN-koodid olid kombinatsioonid 1234, 0000, 1111, 5555 ja 2580 (see on vertikaalne\u5217digital-klaviatuuril). S\u00fcgavam anal\u00fc\u00fcs n\u00e4itas, et ideaalne keeldude nimekiri neljakohaliste PIN-koodide jaoks peaks sisaldama umbes 1000 kirjet ja veidi erinev olema sellest, mis eemaldati Apple'i seadmete jaoks.<\/p>\n

\"Uuring:<\/p>\n

L\u00f5puks leidsid teadlased, et neljakohalised ja kuuekohalised PIN-koodid on v\u00e4hem turvalised kui paroolid, kuid usaldusv\u00e4\u00e4rsemad kui graafilised nutitelefoni lukustused (mustrid). T\u00e4ielik uurimuse aruanne<\/a><\/noindex> esitatakse San Franciscos mai 2020 konverentsil IEEE Symposium on Security and Privacy.<\/p>\n

<\/p>\n

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\n\t\t\t\t\t\t\t\t<\/center>
Allikas: 3dnews.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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