{"id":101168,"date":"2021-09-02T10:23:16","date_gmt":"2021-09-02T08:23:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/github-vvodit-novye-trebovaniya-dlya-udalyonnogo-podklyucheniya-k-git"},"modified":"2021-09-02T10:23:16","modified_gmt":"2021-09-02T08:23:16","slug":"github-vvodit-novye-trebovaniya-dlya-udalyonnogo-podklyucheniya-k-git","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/github-vvodit-novye-trebovaniya-dlya-udalyonnogo-podklyucheniya-k-git","title":{"rendered":"GitHub zav\u00e1d\u00ed nov\u00e9 po\u017eadavky pro vzd\u00e1len\u00e9 p\u0159ipojen\u00ed k Gitu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

GitHub ozn\u00e1mil, \u017ee provede zm\u011bny v slu\u017eb\u011b souvisej\u00edc\u00ed se zv\u00fd\u0161en\u00edm zabezpe\u010den\u00ed protokolu Git, kter\u00fd se pou\u017e\u00edv\u00e1 p\u0159i prov\u00e1d\u011bn\u00ed operac\u00ed git push a git pull p\u0159es SSH nebo sch\u00e9ma «git:\/\/» (zm\u011bny se net\u00fdkaj\u00ed p\u0159\u00edstupu p\u0159es https:\/\/). Po zah\u00e1jen\u00ed platnosti zm\u011bn bude pro p\u0159ipojen\u00ed k GitHubu p\u0159es SSH pot\u0159eba minim\u00e1ln\u011b OpenSSH verze 7.2 (vydan\u00e9 v roce 2016) nebo PuTTY verze 0.75 (vydan\u00e9 v kv\u011btnu tohoto roku). Nap\u0159\u00edklad bude naru\u0161ena kompatibilita se SSH klientem sou\u010d\u00e1st\u00ed CentOS 6 a Ubuntu 14.04, jejich\u017e podpora ji\u017e byla ukon\u010dena. <\/p>\n

Zm\u011bny spo\u010d\u00edvaj\u00ed v ukon\u010den\u00ed podpory ne\u0161ifrovan\u00fdch p\u0159\u00edstup\u016f k Git (p\u0159es «git:\/\/») a zv\u00fd\u0161en\u00ed po\u017eadavk\u016f na SSH kl\u00ed\u010de pou\u017e\u00edvan\u00e9 p\u0159i p\u0159\u00edstupu k GitHubu. GitHub ukon\u010d\u00ed podporu v\u0161ech DSA kl\u00ed\u010d\u016f a zastaral\u00fdch algoritm\u016f SSH, jako jsou \u0161ifry CBC (aes256-cbc, aes192-cbc, aes128-cbc) a HMAC-SHA-1. Krom\u011b toho se zav\u00e1d\u011bj\u00ed dal\u0161\u00ed po\u017eadavky na nov\u00e9 RSA kl\u00ed\u010de (pou\u017eit\u00ed SHA-1 bude zak\u00e1z\u00e1no) a implementuje se podpora hostitelsk\u00fdch kl\u00ed\u010d\u016f ECDSA a Ed25519. <\/p>\n

Zm\u011bny budou realizov\u00e1ny postupn\u011b. 14. z\u00e1\u0159\u00ed budou vygenerov\u00e1ny nov\u00e9 hostitelsk\u00e9 kl\u00ed\u010de ECDSA a Ed25519. 2. listopadu bude zastavena podpora nov\u00fdch RSA kl\u00ed\u010d\u016f zalo\u017een\u00fdch na SHA-1 (d\u0159\u00edve generovan\u00e9 kl\u00ed\u010de budou i nad\u00e1le fungovat). 16. listopadu bude zastavena podpora hostitelsk\u00fdch kl\u00ed\u010d\u016f zalo\u017een\u00fdch na algoritmu DSA. 11. ledna 2022 bude jako experiment do\u010dasn\u011b zastavena podpora star\u00fdch algoritm\u016f SSH a mo\u017enost p\u0159\u00edstupu bez \u0161ifrov\u00e1n\u00ed. 15. b\u0159ezna bude podpora star\u00fdch algoritm\u016f definitivn\u011b vypnuta. <\/p>\n

Nav\u00edc lze zm\u00ednit, \u017ee do k\u00f3du OpenSSH byla zavedena zm\u011bna, kter\u00e1 ve v\u00fdchoz\u00edm nastaven\u00ed vyp\u00edn\u00e1 zpracov\u00e1n\u00ed RSA kl\u00ed\u010d\u016f na z\u00e1klad\u011b hash SHA-1 («ssh-rsa»). Podpora RSA kl\u00ed\u010d\u016f s hashi SHA-256 a SHA-512 (rsa-sha2-256\/512) z\u016fst\u00e1v\u00e1 beze zm\u011bny. Ukon\u010den\u00ed podpory kl\u00ed\u010d\u016f «ssh-rsa» je zp\u016fsobeno zv\u00fd\u0161en\u00edm efektivity kolizn\u00edch \u00fatok\u016f s dan\u00fdm prefixem (n\u00e1klady na nalezen\u00ed kolize se odhaduj\u00ed na p\u0159ibli\u017en\u011b 50 tis\u00edc dolar\u016f). Pro ov\u011b\u0159en\u00ed pou\u017eit\u00ed ssh-rsa ve sv\u00fdch syst\u00e9mech lze vyzkou\u0161et p\u0159ipojen\u00ed p\u0159es ssh s volbou «-oHostKeyAlgorithms=-ssh-rsa».
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

GitHub \u0430\u043d\u043e\u043d\u0441\u0438\u0440\u043e\u0432\u0430\u043b \u0432\u043d\u0435\u0441\u0435\u043d\u0438\u0435 \u0432 \u0441\u0435\u0440\u0432\u0438\u0441 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u0443\u0441\u0438\u043b\u0435\u043d\u0438\u0435\u043c \u0437\u0430\u0449\u0438\u0442\u044b \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 Git, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 git push \u0438 git pull \u0447\u0435\u0440\u0435\u0437 SSH \u0438\u043b\u0438 \u0441\u0445\u0435\u043c\u0443 «git:\/\/» (\u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0447\u0435\u0440\u0435\u0437 https:\/\/ \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043d\u0435 \u043a\u043e\u0441\u043d\u0443\u0442\u0441\u044f). \u041f\u043e\u0441\u043b\u0435 \u043d\u0430\u0447\u0430\u043b\u0430 \u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0434\u043b\u044f \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043a GitHub \u043f\u043e SSH \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043c\u0438\u043d\u0438\u043c\u0443\u043c OpenSSH \u0432\u0435\u0440\u0441\u0438\u0438 7.2 (\u0432\u044b\u043f\u0443\u0449\u0435\u043d \u0432 2016 \u0433\u043e\u0434\u0443) \u0438\u043b\u0438 PuTTY […]<\/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-101168","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\udd47GitHub zav\u00e1d\u00ed nov\u00e9 po\u017eadavky pro vzd\u00e1len\u00e9 p\u0159ipojen\u00ed k Gitu | ProHoster","description":"GitHub ozn\u00e1mil zm\u011bny v slu\u017eb\u011b, kter\u00e9 se t\u00fdkaj\u00ed pos\u00edlen\u00ed ochrany protokolu Git pou\u017e\u00edvan\u00e9ho p\u0159i prov\u00e1d\u011bn\u00ed operac\u00ed git push a git pull prost\u0159ednictv\u00edm SSH nebo sch\u00e9matu \"git:\/\/\" (zm\u011bny se 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