{"id":166390,"date":"2026-03-26T11:14:11","date_gmt":"2026-03-26T09:14:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/q-day-blizhe-chem-vse-dumali-google-rezko-priblizila-sroki-vzloma-pochti-vsej-sovremennoj-kriptografii"},"modified":"2026-03-27T13:22:58","modified_gmt":"2026-03-27T11:22:58","slug":"q-day-blizhe-chem-vse-dumali-google-rezko-priblizila-sroki-vzloma-pochti-vsej-sovremennoj-kriptografii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/q-day-blizhe-chem-vse-dumali-google-rezko-priblizila-sroki-vzloma-pochti-vsej-sovremennoj-kriptografii","title":{"rendered":"Q-Day je bl\u00ed\u017e, ne\u017e si v\u0161ichni mysleli: Google urychlil term\u00edny prolomen\u00ed t\u00e9m\u011b\u0159 cel\u00e9 modern\u00ed kryptografie.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>K p\u0159ekvapen\u00ed v\u0161ech odborn\u00edk\u016f na kybernetickou bezpe\u010dnost spole\u010dnost Google ozn\u00e1mila, \u017ee <a href=\"https:\/\/arstechnica.com\/security\/2026\/03\/google-bumps-up-q-day-estimate-to-2029-far-sooner-than-previously-thought\/\" target=\"_blank\" rel=\"nofollow noopener\">v\u00fdznamn\u011b<\/a> zkra\u010duje dobu p\u0159\u00edchodu Q-Dne \u2014 okam\u017eiku, kdy kvantov\u00e9 po\u010d\u00edta\u010de budou schopny prolomit modern\u00ed kryptografii s ve\u0159ejn\u00fdm kl\u00ed\u010dem. V materi\u00e1lu zve\u0159ejn\u011bn\u00e9m 25. b\u0159ezna 2026 spole\u010dnost uvedla, \u017ee nyn\u00ed pl\u00e1nuje b\u00fdt na tuto ud\u00e1lost pln\u011b p\u0159ipravena u\u017e v roce 2029, a ne v del\u0161\u00edm \u010dasov\u00e9m horizontu, jak se d\u0159\u00edve p\u0159edpokl\u00e1dalo.<\/p>\n<p><center><\/center><img decoding=\"async\" style=\"display: block; margin: 0 auto;\" src=\"\/wp-content\/uploads\/2026\/03\/eb4bb727801639589ae2593bb9929338.jpg\" alt=\"Q-Day je bl\u00ed\u017e, ne\u017e si v\u0161ichni mysleli: Google urychlil term\u00edny prolomen\u00ed t\u00e9m\u011b\u0159 cel\u00e9 modern\u00ed kryptografie.\" \/><\/p>\n<p>Viceprezidentka Google pro in\u017een\u00fdrskou bezpe\u010dnost Heather Adkins a vedouc\u00ed kryptografka Sophie Schmieg zd\u016fraznily, \u017ee spole\u010dnost p\u0159eb\u00edr\u00e1 odpov\u011bdnost l\u00eddra a vyz\u00fdv\u00e1 cel\u00fd obor, aby urychlil p\u0159echod na postkvantovou kryptografii (PQC), aby ochr\u00e1nil data arm\u00e1dy, bank, vl\u00e1d a oby\u010dejn\u00fdch u\u017eivatel\u016f.<\/p>\n<p>\"Jako pr\u016fkopn\u00edci v oblasti kvantov\u00fdch v\u00fdpo\u010dt\u016f a kvantov\u00fdch po\u010d\u00edta\u010d\u016f m\u00e1me povinnost ukazovat p\u0159\u00edklad a sd\u00edlet ambici\u00f3zn\u00ed pl\u00e1ny,\" napsaly. \"Douf\u00e1me, \u017ee to p\u0159inese jasnost a dod\u00e1 pot\u0159ebn\u00fd impuls k urychlen\u00ed digit\u00e1ln\u00edho p\u0159echodu nejen v Googlu, ale v cel\u00e9m odv\u011btv\u00ed.\"<\/p>\n<p>\"Q-Den\" p\u0159edstavuje mezn\u00edk, po jeho\u017e p\u0159ekon\u00e1n\u00ed bude dostate\u010dn\u011b v\u00fdkonn\u00fd kvantov\u00fd po\u010d\u00edta\u010d schopen v p\u0159im\u011b\u0159en\u00e9m \u010dase vy\u0159e\u0161it \u00falohy faktorov\u00e1n\u00ed cel\u00fdch \u010d\u00edsel (Shor\u016fv algoritmus) a diskr\u00e9tn\u00edho logaritmov\u00e1n\u00ed, na nich\u017e jsou zalo\u017eeny RSA a elliptick\u00e9 k\u0159ivky (elliptick\u00e1 kryptografie).<\/p>\n<p>S rozvojem kvantov\u00fdch syst\u00e9m\u016f a algoritm\u016f se p\u0159edpokl\u00e1dalo, \u017ee k dosa\u017een\u00ed \"Dne Q\" bylo pot\u0159eba nejprve miliard fyzick\u00fdch kubit\u016f, pot\u00e9 - 20 milion\u016f fyzick\u00fdch kubit\u016f a nakonec v kv\u011btnu lo\u0148sk\u00e9ho roku <a href=\"https:\/\/3dnews.ru\/1123458\" rel=\"nofollow\">vy\u0161la pr\u00e1ce<\/a>, kter\u00e1 uvedla, \u017ee k prolomen\u00ed modern\u00ed kryptografie sta\u010d\u00ed \"pouze\" jeden milion \u0161umov\u00fdch kubit\u016f a t\u00fdden pr\u00e1ce kvantov\u00e9ho po\u010d\u00edta\u010de, co\u017e vedlo k p\u0159epracov\u00e1n\u00ed dlouhodob\u00fdch p\u0159edpov\u011bd\u00ed. A b\u011bhem posledn\u00edch t\u00fddn\u016f se stalo n\u011bco dal\u0161\u00edho, o \u010dem Google zat\u00edm nemluv\u00ed a co mohlo v\u00e9st k drastick\u00e9mu p\u0159ehodnocen\u00ed \u010dasov\u00fdch r\u00e1mc\u016f hrozby.<\/p>\n<p>V podstat\u011b ji\u017e za\u010dal p\u0159echod na postkvantovou kryptografii: nov\u00e9 algoritmy zalo\u017een\u00e9 na m\u0159\u00ed\u017ek\u00e1ch a hash funkc\u00edch (nap\u0159\u00edklad CRYSTALS-Kyber) jsou zav\u00e1d\u011bny do protokol\u016f Signal a slu\u017eeb Google, Apple a Cloudflare. Nicm\u00e9n\u011b zav\u00e1d\u011bn\u00ed z\u016fst\u00e1v\u00e1 roztr\u017eit\u00e9 a ne\u00fapln\u00e9. Google zaznamen\u00e1v\u00e1 dv\u011b hlavn\u00ed hrozby: aktu\u00e1ln\u00ed \u00fatok \u201eulo\u017e nyn\u00ed \u2014 de\u0161ifruj pozd\u011bji\u201c na za\u0161ifrovan\u00e1 data a budouc\u00ed hrozbu pro digit\u00e1ln\u00ed podpisy. Pr\u00e1v\u011b proto spole\u010dnost prioritn\u011b p\u0159evedla sv\u00e9 autentifika\u010dn\u00ed syst\u00e9my, v\u010detn\u011b Androidu, na PQC.<\/p>\n<p>Spole\u010dnost vyz\u00fdv\u00e1 v\u0161echny in\u017een\u00fdrsk\u00e9 t\u00fdmy, aby n\u00e1sledovaly jej\u00ed vzor a urychlily migraci na postkvantovou kryptografii. Podle n\u00ed pouze koordinovan\u00e9 akce odv\u011btv\u00ed mohou zabr\u00e1nit kryptografick\u00e9 apokalypse a zajistit bezpe\u010dnost internetu v \u00e9\u0159e kvantov\u00fdch v\u00fdpo\u010dt\u016f. Zaj\u00edmav\u00e9 je, \u017ee americk\u00e9 \u00fa\u0159ady a speci\u00e1ln\u011b NSA se p\u0159ipravuj\u00ed na \u201eDen Q\u201c nejd\u0159\u00edve v roce 2031, pravd\u011bpodobn\u011b a\u017e po roce 2033. Odkud Google vzal paniku, lze jen h\u00e1dat. Zat\u00edmco odborn\u00edci se sna\u017e\u00ed pochopit varov\u00e1n\u00ed spole\u010dnosti, v\u00fdvoj\u00e1\u0159i o\u010dek\u00e1vaj\u00ed n\u00e1r\u016fst z\u00e1t\u011b\u017ee v d\u016fsledku nal\u00e9hav\u00e9ho zaveden\u00ed nov\u00fdch bezpe\u010dnostn\u00edch protokol\u016f do podpis\u016f a aplikac\u00ed.<\/p>\n<p><strong>Zdroj:<\/strong><\/p>\n<ul class=\"related\">\n<li><a title=\"arstechnica.com\" href=\"https:\/\/arstechnica.com\/\" target=\"_blank\" rel=\"nofollow noopener\">arstechnica.com<\/a><\/li>\n<\/ul>\n<p><center><center><\/center><center><\/center><\/center><center><\/center><br \/>\nZdroj: <a rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/1138906\">3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442\u043e\u0432 \u0432 \u0441\u0444\u0435\u0440\u0435 \u043a\u0438\u0431\u0435\u0440\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u043c \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u0438 \u0441\u0440\u043e\u043a\u043e\u0432 \u043d\u0430\u0441\u0442\u0443\u043f\u043b\u0435\u043d\u0438\u044f Q-Day \u2014 \u043c\u043e\u043c\u0435\u043d\u0442\u0430, \u043a\u043e\u0433\u0434\u0430 \u043a\u0432\u0430\u043d\u0442\u043e\u0432\u044b\u0435 \u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440\u044b \u0441\u043c\u043e\u0433\u0443\u0442 \u0432\u0437\u043b\u0430\u043c\u044b\u0432\u0430\u0442\u044c \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u044e \u0441 \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u043c \u043a\u043b\u044e\u0447\u043e\u043c. \u0412 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u043e\u043c 25 \u043c\u0430\u0440\u0442\u0430 2026 \u0433\u043e\u0434\u0430 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0435 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f \u0437\u0430\u044f\u0432\u0438\u043b\u0430, \u0447\u0442\u043e \u0442\u0435\u043f\u0435\u0440\u044c \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u0442\u044c\u0441\u044f \u043a \u044d\u0442\u043e\u043c\u0443 \u0441\u043e\u0431\u044b\u0442\u0438\u044e \u0443\u0436\u0435 \u043a 2029 \u0433\u043e\u0434\u0443, \u0430 \u043d\u0435 \u0432 \u0431\u043e\u043b\u0435\u0435 \u043e\u0442\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0439 \u043f\u0435\u0440\u0441\u043f\u0435\u043a\u0442\u0438\u0432\u0435, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":166391,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-166390","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0435\u043e\u0436\u0438\u0434\u0430\u043d\u043d\u043e \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442\u043e\u0432 \u0432 \u0441\u0444\u0435\u0440\u0435 \u043a\u0438\u0431\u0435\u0440\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e\" \/>\n\t<meta name=\"robots\" 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v\u00edce, ne\u017e si kdo myslel: Google n\u00e1hle zkr\u00e1til term\u00edny pro prolomen\u00ed t\u00e9m\u011b\u0159 cel\u00e9 modern\u00ed kryptografie | ProHoster","description":"K p\u0159ekvapen\u00ed v\u0161ech odborn\u00edk\u016f na kybernetickou bezpe\u010dnost spole\u010dnost Google ozn\u00e1mila, \u017ee","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/q-day-blizhe-chem-vse-dumali-google-rezko-priblizila-sroki-vzloma-pochti-vsej-sovremennoj-kriptografii","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Q-Day 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