{"id":104941,"date":"2022-08-26T09:36:42","date_gmt":"2022-08-26T07:36:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-opublikoval-biblioteku-dlya-vyyavleniya-problemnyh-kriptograficheskih-klyuchej"},"modified":"2022-08-26T09:36:42","modified_gmt":"2022-08-26T07:36:42","slug":"google-opublikoval-biblioteku-dlya-vyyavleniya-problemnyh-kriptograficheskih-klyuchej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/google-opublikoval-biblioteku-dlya-vyyavleniya-problemnyh-kriptograficheskih-klyuchej","title":{"rendered":"A Google k\u00f6zz\u00e9tette a probl\u00e9m\u00e1s kriptogr\u00e1fiai kulcsok \u00e9szlel\u00e9s\u00e9re szolg\u00e1l\u00f3 k\u00f6nyvt\u00e1rat.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Google Security Team tagjai k\u00f6zz\u00e9tett\u00e9k a Paranoid ny\u00edlt k\u00f6nyvt\u00e1rat, amelyet megb\u00edzhatatlan kriptogr\u00e1fiai artefaktumok, p\u00e9ld\u00e1ul nyilv\u00e1nos kulcsok \u00e9s digit\u00e1lis al\u00e1\u00edr\u00e1sok azonos\u00edt\u00e1s\u00e1ra terveztek, amelyeket sebezhet\u0151 hardveres (HSM) \u00e9s szoftveres rendszerek hoztak l\u00e9tre. A k\u00f3d Python nyelven \u00edr\u00f3dott \u00e9s az Apache 2.0 licenc alatt terjesztik. <\/p>\n

A projekt hasznos lehet a nyilv\u00e1nval\u00f3an sebezhet\u0151 algoritmusok \u00e9s k\u00f6nyvt\u00e1rak alkalmaz\u00e1s\u00e1nak k\u00f6zvetett \u00e9rt\u00e9kel\u00e9s\u00e9re, amelyek hat\u00e1ssal vannak a l\u00e9trehozott kulcsok \u00e9s digit\u00e1lis al\u00e1\u00edr\u00e1sok megb\u00edzhat\u00f3s\u00e1g\u00e1ra, ha a vizsg\u00e1lt artefaktumokat ellen\u0151rizhetetlen hardver vagy z\u00e1rt alkatr\u00e9szek, azaz fekete doboz gener\u00e1lja. A k\u00f6nyvt\u00e1r k\u00e9pes elemzi a pszeudo-v\u00e9letlensz\u00e1m-gener\u00e1torok megb\u00edzhat\u00f3s\u00e1g\u00e1t is, \u00e9s nagy mennyis\u00e9g\u0171 artefaktum alapj\u00e1n azonos\u00edtani az ismeretlen probl\u00e9m\u00e1kat, amelyek programoz\u00e1si hib\u00e1k vagy megb\u00edzhatatlan pszeudo-v\u00e9letlensz\u00e1m-gener\u00e1torok haszn\u00e1lat\u00e1b\u00f3l ad\u00f3dnak. <\/p>\n

A javasolt k\u00f6nyvt\u00e1rral v\u00e9gzett ellen\u0151rz\u00e9s sor\u00e1n a nyilv\u00e1nos CT (Certificate Transparency) napl\u00f3 tartalm\u00e1n, amely t\u00f6bb mint 7 milli\u00e1rd tan\u00fas\u00edtv\u00e1ny adatait tartalmazza, nem tal\u00e1ltak probl\u00e9m\u00e1s nyilv\u00e1nos kulcsokat elliptikus g\u00f6rb\u00e9k (EC) alapj\u00e1n \u00e9s ECDSA algoritmusra \u00e9p\u00fcl\u0151 digit\u00e1lis al\u00e1\u00edr\u00e1sokat, de probl\u00e9ma volt a RSA algoritmus alapj\u00e1n k\u00e9sz\u00fclt nyilv\u00e1nos kulcsokkal. K\u00fcl\u00f6n\u00f6sen 3586 megb\u00edzhatatlan kulcsot tal\u00e1ltak, amelyeket az OpenSSL Debian csomagj\u00e1ban tal\u00e1lt CVE-2008-0166 sebezhet\u0151s\u00e9ggel rendelkez\u0151 k\u00f3d gener\u00e1lt, 2533 kulcsot a CVE-2017-15361 sebezhet\u0151s\u00e9ggel kapcsolatban, amely az Infineon k\u00f6nyvt\u00e1rban tal\u00e1lhat\u00f3, \u00e9s 1860 kulcsot, amely a legnagyobb k\u00f6z\u00f6s oszt\u00f3 (GCD) keres\u00e9s\u00e9vel kapcsolatos sebezhet\u0151s\u00e9g. Az elavult probl\u00e9m\u00e1s tan\u00fas\u00edtv\u00e1nyok tov\u00e1bbi inform\u00e1ci\u00f3it az igazol\u00f3 k\u00f6zpontok sz\u00e1m\u00e1ra tov\u00e1bb\u00edtott\u00e1k visszavon\u00e1sra.

\"A<\/center>
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0423\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u0438 Google Security Team \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u0443\u044e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 Paranoid, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u0443\u044e \u0434\u043b\u044f \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u043d\u0435\u043d\u0430\u0434\u0451\u0436\u043d\u044b\u0445 \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0430\u0440\u0442\u0435\u0444\u0430\u043a\u0442\u043e\u0432, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u0435 \u043a\u043b\u044e\u0447\u0438 \u0438 \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0435 \u043f\u043e\u0434\u043f\u0438\u0441\u0438, \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0443\u044f\u0437\u0432\u0438\u043c\u044b\u0445 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u0445 (HSM) \u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445. \u041a\u043e\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Python \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. \u041f\u0440\u043e\u0435\u043a\u0442 \u043c\u043e\u0436\u0435\u0442 \u043e\u043a\u0430\u0437\u0430\u0442\u044c\u0441\u044f \u043f\u043e\u043b\u0435\u0437\u0435\u043d \u0434\u043b\u044f \u043a\u043e\u0441\u0432\u0435\u043d\u043d\u043e\u0439 \u043e\u0446\u0435\u043d\u043a\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u0432 \u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0438\u043c\u0435\u044e\u0442\u0441\u044f \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0435 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":104942,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104941","post","type-post","status-publish","format-standard","has-post-thumbnail","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\udd47A Google k\u00f6zz\u00e9tette a probl\u00e9m\u00e1s kriptogr\u00e1fiai kulcsok azonos\u00edt\u00e1s\u00e1ra szolg\u00e1l\u00f3 k\u00f6nyvt\u00e1rat | ProHoster","description":"A Google Security Team tagjai k\u00f6zz\u00e9tett\u00e9k a Paranoid ny\u00edlt 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