{"id":2700,"date":"2024-05-31T07:20:03","date_gmt":"2024-05-31T07:20:03","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2700"},"modified":"2024-05-31T07:20:03","modified_gmt":"2024-05-31T07:20:03","slug":"examination-of-the-security-measures-in-mifare-desfire","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/lt\/examination-of-the-security-measures-in-mifare-desfire\/","title":{"rendered":"MIFARE DESFire saugumo priemoni\u0173 patikrinimas"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Turinys<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Perjungti Turinio lentel\u0119\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Perjungti<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nfc-readers.com\/lt\/examination-of-the-security-measures-in-mifare-desfire\/#Introduction\" title=\"\u012evadas\">\u012evadas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nfc-readers.com\/lt\/examination-of-the-security-measures-in-mifare-desfire\/#Advanced_Encryption_Algorithms\" title=\"I\u0161pl\u0117stiniai \u0161ifravimo algoritmai\">I\u0161pl\u0117stiniai \u0161ifravimo algoritmai<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nfc-readers.com\/lt\/examination-of-the-security-measures-in-mifare-desfire\/#Hierarchical_Key_Management_Schemes\" title=\"Hierarchin\u0117s rakt\u0173 valdymo schemos\">Hierarchin\u0117s rakt\u0173 valdymo schemos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nfc-readers.com\/lt\/examination-of-the-security-measures-in-mifare-desfire\/#Robust_Authentication_Mechanisms\" title=\"Tvirti autentifikavimo mechanizmai\">Tvirti autentifikavimo mechanizmai<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nfc-readers.com\/lt\/examination-of-the-security-measures-in-mifare-desfire\/#Additional_Security_Features\" title=\"Papildomos saugos funkcijos\">Papildomos saugos funkcijos<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nfc-readers.com\/lt\/examination-of-the-security-measures-in-mifare-desfire\/#Conclusion\" title=\"I\u0161vada\">I\u0161vada<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"introduction\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>\u012evadas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\"><a href=\"https:\/\/nfc-readers.com\/lt\/ic-reader\/desfire-ev248k\/\">MIFARE DESFire<\/a> EV3 yra pirmaujanti bekontak\u010di\u0173 intelektuali\u0173j\u0173 korteli\u0173 technologija, naudojama daugelyje program\u0173, toki\u0173 kaip transporto sistemos, prieigos kontrol\u0117 ir mok\u0117jimo sektoriai. Pastaraisiais metais susir\u016bpinimas d\u0117l jo saugumo tapo ry\u0161kesnis, ypa\u010d d\u0117l atak\u0173 technikos pa\u017eangos, \u012fskaitant diferencin\u0119 galios analiz\u0119 (DPA) ir \u0161oninio kanalo atakas. \u0160iame straipsnyje stengiamasi pateikti i\u0161sami\u0105 MIFARE DESFire EV3 saugos funkcij\u0173 analiz\u0119. Jis gilinasi \u012f savo \u0161ifravimo algoritmus, rakt\u0173 valdymo metodus, autentifikavimo metodus ir kitus integruotus saugos atributus. Be to, jame aptariamos \u0161i\u0173 funkcij\u0173 stipriosios ir galimos silpnosios pus\u0117s, pateikiamas j\u0173 veiksmingumo \u012fvertinimas atsi\u017evelgiant \u012f \u012fvairius i\u0161puoli\u0173 scenarijus.<\/div>\n<figure id=\"attachment_2056\" aria-describedby=\"caption-attachment-2056\" style=\"width: 353px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/nfc-readers.com\/lt\/ic-reader\/desfire-ev248k\/\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2056\" src=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/Hd98dfa9e20184d8c994bcf45c8c737c5a-300x300.jpg\" alt=\"MIFARE DESFire EV2\" width=\"353\" height=\"353\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/Hd98dfa9e20184d8c994bcf45c8c737c5a-300x300.jpg 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/Hd98dfa9e20184d8c994bcf45c8c737c5a-150x150.jpg 150w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/Hd98dfa9e20184d8c994bcf45c8c737c5a-600x600.jpg 600w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/Hd98dfa9e20184d8c994bcf45c8c737c5a-100x100.jpg 100w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/04\/Hd98dfa9e20184d8c994bcf45c8c737c5a.jpg 640w\" sizes=\"auto, (max-width: 353px) 100vw, 353px\" \/><\/a><figcaption id=\"caption-attachment-2056\" class=\"wp-caption-text\"><a href=\"https:\/\/nfc-readers.com\/lt\/ic-reader\/desfire-ev248k\/\">MIFARE DESFire EV2<\/a><\/figcaption><\/figure>\n<h2 id=\"advanced-encryption-algorithms\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Advanced_Encryption_Algorithms\"><\/span>I\u0161pl\u0117stiniai \u0161ifravimo algoritmai<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">Viena i\u0161 svarbiausi\u0173 MIFARE DESFire EV3 saugos funkcij\u0173 yra sud\u0117ting\u0173 \u0161ifravimo algoritm\u0173 naudojimas, siekiant apsaugoti kortel\u0117je esan\u010dius duomenis. \u0160i technologija naudoja 128 bit\u0173 i\u0161pl\u0117stinio \u0161ifravimo standarto (AES) algoritm\u0105, kuris yra giriamas kaip vienas saugiausi\u0173 \u0161iandien prieinam\u0173 \u0161ifravimo standart\u0173. AES algoritmas naudojamas \u0161ifruoti visus kortel\u0117je esan\u010dius duomenis, \u012fskaitant, bet neapsiribojant, vartotojo duomenis, kriptografinius raktus ir kit\u0105 svarbi\u0105 informacij\u0105. \u0160is visapusi\u0161kas \u0161ifravimas u\u017etikrina, kad net per\u0117mus kortel\u0117s duomenis, jie likt\u0173 nesuprantami be atitinkamo i\u0161\u0161ifravimo rakto.<\/div>\n<p>&nbsp;<\/p>\n<h2 id=\"hierarchical-key-management-schemes\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Hierarchical_Key_Management_Schemes\"><\/span>Hierarchin\u0117s rakt\u0173 valdymo schemos<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">MIFARE DESFire EV3 saugumo sudedamoji dalis yra hierarchin\u0117 rakt\u0173 valdymo sistema. \u0160is metodas leid\u017eia sukurti ir kruop\u0161\u010diai valdyti kelis raktus, kuri\u0173 kiekvienas turi skirting\u0105 prieigos ir saugos leidim\u0173 lyg\u012f. \u0160ios sistemos hierarchinis pob\u016bdis skirtas u\u017ekirsti keli\u0105 atakoms, tokioms kaip rakt\u0173 vagyst\u0117s ir neteis\u0117ta prieiga, u\u017etikrinant kelis saugumo lygius. Atskirdami prieigos lygius ir u\u017etikrindami, kad auk\u0161tesnio saugumo operacijoms b\u016bt\u0173 taikoma grie\u017etesn\u0117 kontrol\u0117, \u017eymiai suma\u017einama vis\u0173 lygi\u0173 duomen\u0173 pa\u017eeidimo rizika.<\/div>\n<p>&nbsp;<\/p>\n<h2 id=\"robust-authentication-mechanisms\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Robust_Authentication_Mechanisms\"><\/span>Tvirti autentifikavimo mechanizmai<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">MIFARE DESFire EV3 taip pat turi did\u017eiulius autentifikavimo mechanizmus, kuriais siekiama u\u017ekirsti keli\u0105 neteis\u0117tai prieigai prie kortel\u0117s. \u0160i technologija naudoja abipusio autentifikavimo protokol\u0105, kai prie\u0161 kei\u010diantis duomenimis tiek kortel\u0117, tiek skaitytuvas turi patvirtinti vienas kito autenti\u0161kum\u0105. \u0160is autentifikavimo procesas pagr\u012fstas i\u0161\u0161\u016bkio ir atsako mechanizmu, kuris yra specialiai sukurtas apsaugoti nuo pakartotini\u0173 atak\u0173, tarpinink\u0173 atak\u0173 ir kit\u0173 i\u0161naudojimo form\u0173. Abipusis autentifikavimas u\u017etikrina, kad abi sandoryje dalyvaujan\u010dios \u0161alys yra teis\u0117tos, taip sustiprinant bendr\u0105 saugumo sistem\u0105.<\/div>\n<p>&nbsp;<\/p>\n<h2 id=\"additional-security-features\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Additional_Security_Features\"><\/span>Papildomos saugos funkcijos<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">Be \u0161ifravimo ir rakt\u0173 valdymo, MIFARE DESFire EV3 apima kelet\u0105 kit\u0173 saugos funkcij\u0173, kurios dar labiau sustiprina atsparum\u0105 \u012fvairioms atak\u0173 metodikoms. Pavyzd\u017eiui, kortel\u0117 palaiko atsitiktin\u012f ID generavim\u0105, o tai padidina privatum\u0105, nes neleid\u017eia sekti kortel\u0117s naudojimo. Be to, korteli\u0173 klonavimo rizikai suma\u017einti naudojami sud\u0117tingi apsaugos nuo dubliavimo mechanizmai. \u0160ios papildomos saugumo priemon\u0117s kartu su pagrindin\u0117mis funkcijomis u\u017etikrina tvirt\u0105 gynybos strategij\u0105, kuri palaiko duomen\u0173 vientisum\u0105 ir saugum\u0105 perdavimo ir naudojimo metu.<\/div>\n<p>&nbsp;<\/p>\n<h2 id=\"conclusion\" class=\"header_36220 auto-hide-last-sibling-br\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>I\u0161vada<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_1252f paragraph-element\">Apibendrinant, <a href=\"https:\/\/nfc-readers.com\/lt\/ic-reader\/desfire-ev248k\/\">MIFARE DESFire EV3<\/a> pasirodo kaip nepaprastai saugi intelektuali\u0173j\u0173 korteli\u0173 technologija, integruojanti pa\u017eangius \u0161ifravimo algoritmus, grie\u017etas rakt\u0173 valdymo sistemas ir atsparius autentifikavimo protokolus. Nepaisant to, b\u016btina pripa\u017einti, kad jokia saugumo technologija n\u0117ra visi\u0161kai atspari atakoms. Kadangi nuolat kuriamos naujos atakos technologijos, MIFARE DESFire EV3 labai svarbu tobul\u0117ti ir prisitaikyti, kad i\u0161laikyt\u0173 auk\u0161tus saugumo standartus. I\u0161samiai suprasdami MIFARE DESFire EV3 saugos funkcij\u0173 stipri\u0105sias ir ribotas puses, suinteresuotosios \u0161alys gali geriau \u012fvertinti jos efektyvum\u0105 \u012fvairiose programose ir kurti naujas strategijas, kad pagerint\u0173 jo saugum\u0105. \u0160is nuolatinis budrumas ir prisitaikymas yra gyvybi\u0161kai svarb\u016bs siekiant u\u017etikrinti, kad MIFARE DESFire EV3 i\u0161likt\u0173 patikimas sprendimas nuolat besikei\u010dian\u010dioje gr\u0117sm\u0117s aplinkoje.<\/div>","protected":false},"excerpt":{"rendered":"<p>\u012evadas MIFARE DESFire EV3 yra pirmaujanti bekontak\u010di\u0173 intelektuali\u0173j\u0173 korteli\u0173 technologija, naudojama daugelyje program\u0173, toki\u0173 kaip transporto sistemos, prieigos kontrol\u0117 ir mok\u0117jimo sektoriai. Pastaraisiais metais susir\u016bpinimas d\u0117l jo saugumo tapo ry\u0161kesnis, ypa\u010d d\u0117l atak\u0173 technikos pa\u017eangos, \u012fskaitant diferencin\u0119 galios analiz\u0119 (DPA) ir \u0161oninio kanalo atakas. \u0160is straipsnis siekia [\u2026]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2700","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nfc-readers.com\/lt\/wp-json\/wp\/v2\/posts\/2700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nfc-readers.com\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nfc-readers.com\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/lt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/lt\/wp-json\/wp\/v2\/comments?post=2700"}],"version-history":[{"count":1,"href":"https:\/\/nfc-readers.com\/lt\/wp-json\/wp\/v2\/posts\/2700\/revisions"}],"predecessor-version":[{"id":2701,"href":"https:\/\/nfc-readers.com\/lt\/wp-json\/wp\/v2\/posts\/2700\/revisions\/2701"}],"wp:attachment":[{"href":"https:\/\/nfc-readers.com\/lt\/wp-json\/wp\/v2\/media?parent=2700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nfc-readers.com\/lt\/wp-json\/wp\/v2\/categories?post=2700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nfc-readers.com\/lt\/wp-json\/wp\/v2\/tags?post=2700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}