{"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\/fr\/blog\/news\/metod-klonirovaniya-otpechatkov-palczev-pri-pomoshhi-lazernogo-printera","title":{"rendered":"La m\u00e9thode de clonage des empreintes digitales \u00e0 l'aide d'une imprimante laser","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Des chercheurs en s\u00e9curit\u00e9 de l'\u00e9change de cryptomonnaies Kraken ont d\u00e9montr\u00e9 un moyen simple et peu co\u00fbteux de cr\u00e9er un clone d'une empreinte digitale \u00e0 partir d'une photo, en utilisant une imprimante laser ordinaire, de la colle \u00e0 bois et des mat\u00e9riaux de bricolage. Il est not\u00e9 que le moulage obtenu a permis de contourner la protection par authentification biom\u00e9trique par empreinte digitale et de d\u00e9verrouiller les appareils des chercheurs, notamment une tablette iPad, un ordinateur portable MacBook Pro et un portefeuille mat\u00e9riel de cryptomonnaies. <\/p>\n

Les m\u00e9thodes de recr\u00e9ation des empreintes digitales sont connues depuis longtemps, mais elles n\u00e9cessitaient g\u00e9n\u00e9ralement des comp\u00e9tences sp\u00e9cifiques ou l'utilisation d'\u00e9quipements co\u00fbteux, comme une imprimante 3D. Le co\u00fbt de cr\u00e9ation d'un clone selon la m\u00e9thode propos\u00e9e est d'environ 5 dollars. La premi\u00e8re \u00e9tape consiste \u00e0 photographier l'empreinte laiss\u00e9e sur une surface lisse \u00e0 l'aide d'un smartphone ordinaire, par exemple sur l'\u00e9cran brillant ou le couvercle d'un ordinateur portable ou d'un smartphone. <\/p>\n

Ensuite, dans n'importe quel \u00e9diteur graphique, on effectue l'op\u00e9ration d'augmentation du contraste du motif papillaire, de cr\u00e9ation d'un n\u00e9gatif, de recadrage et de conversion de l'image en format noir et blanc. Apr\u00e8s cela, l'image pr\u00e9par\u00e9e est imprim\u00e9e sur une imprimante laser classique, mais au lieu de papier, on utilise une feuille d'ac\u00e9tate \u2014 une pellicule transparente utilis\u00e9e pour fabriquer des pochoirs, des autocollants et des cartes. Lors de l'impression, le toner forme sur la feuille d'ac\u00e9tate des rainures textur\u00e9es en relief, reproduisant le motif papillaire. <\/p>\n

\u00c0 la derni\u00e8re \u00e9tape, une fine couche de colle \u00e0 bois est appliqu\u00e9e sur le film, qui, une fois s\u00e8che, forme une substance \u00e9lastique reproduisant le motif papillaire volumineux. En pla\u00e7ant le film obtenu sur un doigt, il a \u00e9t\u00e9 possible de d\u00e9verrouiller la plupart des syst\u00e8mes de v\u00e9rification biom\u00e9trique par empreintes digitales test\u00e9s.

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Source : opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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