{"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\/cs\/blog\/news\/metod-klonirovaniya-otpechatkov-palczev-pri-pomoshhi-lazernogo-printera","title":{"rendered":"Metoda klonov\u00e1n\u00ed otisk\u016f prst\u016f pomoc\u00ed laserov\u00e9 tisk\u00e1rny","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Bezpe\u010dnostn\u00ed v\u00fdzkumn\u00edci z kryptom\u011bnov\u00e9 burzy Kraken uk\u00e1zali jednoduch\u00fd a levn\u00fd zp\u016fsob, jak vytvo\u0159it klon otisku prstu z fotografie pomoc\u00ed b\u011b\u017en\u00e9 laserov\u00e9 tisk\u00e1rny, stol\u00e1\u0159sk\u00e9ho lepidla a dostupn\u00fdch prost\u0159edk\u016f. Bylo uvedeno, \u017ee vytvo\u0159en\u00fd odlitek umo\u017enil obej\u00edt ochranu biometrick\u00e9 autentizace otiskem prstu a odemknout tablety iPad, notebooky MacBook Pro a hardwarovou kryptom\u011bnovou pen\u011b\u017eenku, kter\u00e9 v\u00fdzkumn\u00edci m\u011bli k dispozici. <\/p>\n

Metody rekonstrukce otisk\u016f prst\u016f jsou zn\u00e1m\u00e9 u\u017e dlouho, ale obvykle vy\u017eadovaly speci\u00e1ln\u00ed dovednosti nebo drah\u00e9 vybaven\u00ed, jako jsou 3D tisk\u00e1rny. Cena pro vytvo\u0159en\u00ed klonu podle navr\u017een\u00e9 metody se pohybuje kolem 5 dolar\u016f. V prvn\u00edm kroku se b\u011b\u017en\u00fdm smartphonem vyfotografuje otisk na jak\u00e9mkoliv hladk\u00e9m povrchu, nap\u0159\u00edklad na leskl\u00e9m displeji nebo v\u00edku notebooku \u010di smartphonu. <\/p>\n

Pot\u00e9 se v jak\u00e9mkoli grafick\u00e9m editoru prov\u00e1d\u00ed operace zv\u00fd\u0161en\u00ed kontrastu papil\u00e1rn\u00edho vzoru, vytvo\u0159en\u00ed negativu, o\u0159\u00edznut\u00ed a p\u0159evod obr\u00e1zku do \u010dernob\u00edl\u00e9ho form\u00e1tu. P\u0159ipraven\u00fd obr\u00e1zek se pot\u00e9 tiskne na standardn\u00ed laserov\u00e9 tisk\u00e1rn\u011b, ale m\u00edsto pap\u00edru se pou\u017e\u00edv\u00e1 acet\u00e1tov\u00fd list \u2014 pr\u016fhledn\u00e1 f\u00f3lie, kter\u00e1 se pou\u017e\u00edv\u00e1 k v\u00fdrob\u011b \u0161ablon, samolepek a karet. B\u011bhem tisku toner vytv\u00e1\u0159\u00ed na acet\u00e1tov\u00e9m listu strukturovan\u00e9 vyv\u00fd\u0161en\u00e9 br\u00e1zdy, kter\u00e9 reprodukuj\u00ed papil\u00e1rn\u00ed vzor. <\/p>\n

Na z\u00e1v\u011bre\u010dn\u00e9m kroku se na f\u00f3lii nanese tenk\u00e1 vrstva stol\u00e1\u0159sk\u00e9ho lepidla, kter\u00e1 po zaschnut\u00ed vytv\u00e1\u0159\u00ed elastickou substanci, je\u017e opakuje objemov\u00fd papil\u00e1rn\u00ed vzor. Po um\u00edst\u011bn\u00ed vytvo\u0159en\u00e9 f\u00f3lie na prst bylo mo\u017en\u00e9 odemknout v\u011bt\u0161inu testovan\u00fdch syst\u00e9m\u016f biometrick\u00e9 kontroly otiskem prstu.

\"Metoda<\/center>
\"Metoda<\/center>
\"Metoda<\/center>
\r\n \"P\u0159ehr\u00e1t\r\n
<\/div>\r\n <\/div><\/center>
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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