{"id":102368,"date":"2021-11-23T21:36:44","date_gmt":"2021-11-23T19:36:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/metod-klonirovaniya-otpechatkov-palczev-pri-pomoshhi-lazernogo-printera"},"modified":"2021-11-23T21:36:44","modified_gmt":"2021-11-23T19:36:46","slug":"metod-klonirovaniya-otpechatkov-palczev-pri-pomoshhi-lazernogo-printera","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/metod-klonirovaniya-otpechatkov-palczev-pri-pomoshhi-lazernogo-printera","title":{"rendered":"Metoda klonowania odcisk\u00f3w palc\u00f3w przy u\u017cyciu drukarki laserowej","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Badacze bezpiecze\u0144stwa z gie\u0142dy kryptowalutowej Kraken zaprezentowali prosty i tani spos\u00f3b na stworzenie klonu odcisku palca na podstawie zdj\u0119cia, wykorzystuj\u0105c zwyk\u0142\u0105 drukark\u0119 laserow\u0105, klej stolarski i dost\u0119pne materia\u0142y. Zauwa\u017cono, \u017ce uzyskany odcisk pozwoli\u0142 na obej\u015bcie ochrony biometrycznej opartej na odcisku palca oraz odblokowanie tablet\u00f3w iPad, laptop\u00f3w MacBook Pro i sprz\u0119towego portfela kryptowalutowego posiadanych przez badaczy. <\/p>\n

Metody rekonstrukcji odcisk\u00f3w palc\u00f3w s\u0105 znane od dawna, ale zazwyczaj wymaga\u0142y specjalnych umiej\u0119tno\u015bci lub drogich urz\u0105dze\u0144, takich jak drukarka 3D. Koszt stworzenia klonu w zaproponowanej metodzie wynosi oko\u0142o 5 dolar\u00f3w. W pierwszym etapie zwyk\u0142ym smartfonem fotografowany jest odcisk pozostawiony na g\u0142adkiej powierzchni, na przyk\u0142ad na b\u0142yszcz\u0105cym ekranie\/lidzie laptopa lub smartfona. <\/p>\n

Nast\u0119pnie w dowolnym edytorze graficznym wykonuje si\u0119 operacj\u0119 zwi\u0119kszenia kontrastu wzoru papilarnego, tworzenia negatywu, przycinania oraz przekszta\u0142cania obrazu na format czarno-bia\u0142y. Po tym przygotowany obraz drukuje si\u0119 na standardowej drukarce laserowej, jednak zamiast papieru u\u017cywa si\u0119 acetatowej folii \u2014 przezroczystej folii stosowanej do produkcji szablon\u00f3w, naklejek i kartek. W trakcie druku toner tworzy na folii acetatowej fakturowe wypuk\u0142e rowki, kt\u00f3re powtarzaj\u0105 wz\u00f3r papilarny. <\/p>\n

Na ostatnim etapie na foli\u0119 nak\u0142adany jest cienki \u0441\u043b\u043e\u0439 kleju stolarskiego, kt\u00f3ry po wyschni\u0119ciu tworzy elastyczn\u0105 substancj\u0119, odwzorowuj\u0105c\u0105 tr\u00f3jwymiarowy uk\u0142ad linii papilarnych. Po umieszczeniu uzyskanej folii na palcu okaza\u0142o si\u0119 mo\u017cliwe odblokowanie wi\u0119kszo\u015bci przetestowanych system\u00f3w biometrycznej weryfikacji na podstawie odcisk\u00f3w palc\u00f3w.

\"Metoda<\/center>
\"Metoda<\/center>
\"Metoda<\/center>
\r\n \"Odtwarzaj\r\n
<\/div>\r\n <\/div><\/center>
\n
\u0179r\u00f3d\u0142o: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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