{"id":106131,"date":"2022-12-16T15:36:53","date_gmt":"2022-12-16T13:36:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/nist-vyvodit-algoritm-heshirovaniya-sha-1-iz-svoih-speczifikaczij"},"modified":"2022-12-16T15:36:53","modified_gmt":"2022-12-16T13:36:53","slug":"nist-vyvodit-algoritm-heshirovaniya-sha-1-iz-svoih-speczifikaczij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/nist-vyvodit-algoritm-heshirovaniya-sha-1-iz-svoih-speczifikaczij","title":{"rendered":"NIST vyradzuje algoritmus hashovania SHA-1 zo svojich \u0161pecifik\u00e1ci\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N\u00e1rodn\u00fd in\u0161tit\u00fat \u0161tandardov a technol\u00f3gi\u00ed USA (NIST) uznal hashovac\u00ed algoritmus za zastaran\u00fd, nespl\u0148uj\u00faci bezpe\u010dnostn\u00e9 po\u017eiadavky a neodpor\u00fa\u010dan\u00fd na pou\u017eitie. Z pou\u017e\u00edvania SHA-1 sa pl\u00e1nuje odstr\u00e1ni\u0165 do 31. decembra 2030 a \u00faplne prejs\u0165 na zabezpe\u010denej\u0161ie algoritmy SHA-2 a SHA-3. <\/p>\n

Do 31. decembra 2030 sa vo v\u0161etk\u00fdch aktu\u00e1lnych \u0161pecifik\u00e1ci\u00e1ch a protokoloch NIST prestane pou\u017e\u00edva\u0165 SHA-1. Presta\u0165 pou\u017e\u00edva\u0165 \u0161pecifik\u00e1ciu SHA-1 bude odr\u00e1\u017ean\u00e9 v novej feder\u00e1lnej norme FIPS 180-5. Okrem toho bud\u00fa upraven\u00e9 pri\u013eahl\u00e9 \u0161pecifik\u00e1cie, ako SP 800-131A, z ktor\u00fdch bude odstr\u00e1nen\u00e9 spom\u00ednanie SHA-1. Kryptografick\u00e9 moduly, ktor\u00e9 podporuj\u00fa SHA-1, nebud\u00fa schopn\u00e9 prejs\u0165 \u010fal\u0161ou kontrolou v NIST a ich dod\u00e1vka do \u0161t\u00e1tnych in\u0161tit\u00faci\u00ed USA sa stane nemo\u017enou (certifik\u00e1t sa ude\u013euje len na p\u00e4\u0165 rokov, po \u010dom je potrebn\u00e9 prejs\u0165 op\u00e4tovnou kontrolou). <\/p>\n

SHA-1 bol vyvinut\u00fd v roku 1995 a schv\u00e1len\u00fd ako feder\u00e1lny \u0161tandard spracovania inform\u00e1ci\u00ed (FIPS 180-1), \u010do umo\u017enilo pou\u017e\u00edvanie tohto algoritmu v \u0161t\u00e1tnych in\u0161tit\u00faci\u00e1ch USA. V roku 2005 bola preuk\u00e1zan\u00e1 teoretick\u00e1 mo\u017enos\u0165 \u00fatoku na SHA-1. V roku 2017 bola pre SHA-1 predveden\u00e1 prv\u00e1 praktick\u00e1 kol\u00edzna \u00fatok s dan\u00fdm prefixom, ktor\u00fd umo\u017enil pre dva r\u00f4zne s\u00fabory \u00fadajov priradi\u0165 doplnky, ktor\u00fdch pripojenie sp\u00f4sob\u00ed vznik kol\u00edzie a vytvorenie rovnak\u00e9ho v\u00fdsledn\u00e9ho hash (napr\u00edklad pre dva existuj\u00face dokumenty je mo\u017en\u00e9 vypo\u010d\u00edta\u0165 dva doplnky, a ak jeden pripoj\u00edte k prv\u00e9mu dokumentu a druh\u00fd k druh\u00e9mu \u2014 v\u00fdsledn\u00e9 hash SHA-1 pre tieto s\u00fabory bud\u00fa rovnak\u00e9). <\/p>\n

V roku 2019 bola met\u00f3da ur\u010dovania kol\u00edzi\u00ed podstatne vylep\u0161en\u00e1 a n\u00e1klady na vykonanie \u00fatoku sa zn\u00ed\u017eili na nieko\u013eko desiatok tis\u00edc dol\u00e1rov. V roku 2020 bola demon\u0161trovan\u00e1 funk\u010dn\u00e1 \u00fatok na vytv\u00e1ranie falo\u0161n\u00fdch digit\u00e1lnych podpisov PGP a GnuPG. Od roku 2011 sa SHA-1 neodpor\u00fa\u010da na pou\u017e\u00edvanie v digit\u00e1lnych podpisoch a v roku 2017 v\u0161etky hlavn\u00e9 webov\u00e9 prehliada\u010de prestali podporova\u0165 certifik\u00e1ty, ktor\u00e9 boli overen\u00e9 pou\u017eit\u00edm SHA-1. Napriek tomu sa SHA-1 st\u00e1le pou\u017e\u00edva pre kontroln\u00e9 s\u00fa\u010dty a v datab\u00e1ze NIST je viac ako 2200 certifikovan\u00fdch kryptografick\u00fdch modulov a kni\u017en\u00edc s podporou SHA-1.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u0438\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043e\u0432 \u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0439 \u0421\u0428\u0410 (NIST) \u043f\u0440\u0438\u0437\u043d\u0430\u043b \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u0445\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u043c, \u043d\u0435 \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u043c \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f\u043c \u043a \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438 \u043d\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043a \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044e. \u041e\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f SHA-1 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0438\u0437\u0431\u0430\u0432\u0438\u0442\u044c\u0441\u044f \u0434\u043e 31 \u0434\u0435\u043a\u0430\u0431\u0440\u044f 2030 \u0433\u043e\u0434\u0430 \u0438 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u0439\u0442\u0438 \u043d\u0430 \u0431\u043e\u043b\u0435\u0435 \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0435 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u044b SHA-2 \u0438 SHA-3. \u0414\u043e 31 \u0434\u0435\u043a\u0430\u0431\u0440\u044f 2030 \u0433\u043e\u0434\u0430 \u0432\u043e \u0432\u0441\u0435\u0445 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f\u0445 \u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u0445 NIST \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u043e […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-106131","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47NIST vyradzuje hashovac\u00ed algoritmus SHA-1 zo svojich \u0161pecifik\u00e1ci\u00ed | ProHoster","description":"N\u00e1rodn\u00fd in\u0161tit\u00fat \u0161tandardov a technol\u00f3gi\u00ed USA (NIST) uznal hashovac\u00ed algoritmus za zastaran\u00fd, nezodpovedaj\u00faci bezpe\u010dnostn\u00fdm po\u017eiadavk\u00e1m a neodpor\u00fa\u010dan\u00fd na 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