{"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\/sk\/blog\/news\/metod-klonirovaniya-otpechatkov-palczev-pri-pomoshhi-lazernogo-printera","title":{"rendered":"Met\u00f3da klonovania odtla\u010dkov prstov pomocou laserovej tla\u010diarne.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Bezpe\u010dnostn\u00ed v\u00fdzkumn\u00edci z kryptom\u011bnov\u00e9 burzy Kraken demonstrovali jednoduch\u00fd a levn\u00fd zp\u016fsob, jak vytvo\u0159it klon otisku prstu z fotografie pomoc\u00ed oby\u010dejn\u00e9 laserov\u00e9 tisk\u00e1rny, d\u0159eva\u0159sk\u00e9ho lepidla a dostupn\u00fdch prost\u0159edk\u016f. Bylo zji\u0161t\u011bno, \u017ee z\u00edskan\u00fd odlitek umo\u017enil obej\u00edt ochranu biometrick\u00e9 autentizace otiskem prstu a odemknout za\u0159\u00edzen\u00ed, kter\u00e9 v\u00fdzkumn\u00edci m\u011bli, v\u010detn\u011b iPadu, MacBooku Pro a hardwarov\u00e9 pen\u011b\u017eenky na kryptom\u011bnu. <\/p>\n

Metody reprodukce otisk\u016f prst\u016f jsou zn\u00e1my ji\u017e dlouho, ale obvykle vy\u017eadovaly speci\u00e1ln\u00ed dovednosti nebo drah\u00e9 vybaven\u00ed, jako je 3D tisk\u00e1rna. N\u00e1klady na vytvo\u0159en\u00ed klonu pomoc\u00ed navrhovan\u00e9 metody se pohybuj\u00ed kolem 5 dolar\u016f. V prvn\u00edm kroku se b\u011b\u017en\u00fdm smartphonem vyfot\u00ed otisk, kter\u00fd z\u016fstal na jak\u00e9mkoli hladk\u00e9m povrchu, nap\u0159\u00edklad na leskl\u00e9m displeji nebo v\u00edku notebooku \u010di smartphonu. <\/p>\n

Potom sa v akomko\u013evek grafickom editore vykon\u00e1 oper\u00e1cia zv\u00fd\u0161enia kontrastu papil\u00e1rneho vzoru, vytvorenie negat\u00edvu, orezanie a premenenie obr\u00e1zka na \u010diernobiely form\u00e1t. N\u00e1sledne sa pripraven\u00fd obr\u00e1zok vytla\u010d\u00ed na be\u017enej laserovej tla\u010diarni, ale namiesto papiera sa pou\u017eije acet\u00e1tov\u00fd list \u2014 prieh\u013eadn\u00e1 f\u00f3lia, ktor\u00e1 sa pou\u017e\u00edva na v\u00fdrobu \u0161abl\u00f3n, n\u00e1lepiek a kariet. Po\u010das tla\u010de toner vytv\u00e1ra na acet\u00e1tovom liste text\u00farovan\u00e9 vyst\u00fapen\u00e9 dr\u00e1\u017eky, ktor\u00e9 kop\u00edruj\u00fa papil\u00e1rny vzor. <\/p>\n

V posledn\u00edm kroku se na f\u00f3lii nan\u00e1\u0161\u00ed tenk\u00e1 vrstva d\u0159eva\u0159sk\u00e9ho lepidla, kter\u00e1 po vyschnut\u00ed vytvo\u0159\u00ed elastickou substanci, je\u017e opakuje objemov\u00fd papil\u00e1rn\u00ed vzor. Kdy\u017e byla z\u00edskan\u00e1 f\u00f3lie um\u00edst\u011bna na prst, bylo mo\u017en\u00e9 odemknout v\u011bt\u0161inu testovan\u00fdch biometrick\u00fdch syst\u00e9m\u016f ov\u011b\u0159ov\u00e1n\u00ed otisky prst\u016f.

\"Met\u00f3da<\/center>
\"Met\u00f3da<\/center>
\"Met\u00f3da<\/center>
\r\n \"Prehrajte\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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