{"id":38716,"date":"2019-10-31T22:25:27","date_gmt":"2019-10-31T19:25:27","guid":{"rendered":"https:\/\/prohoster.info\/blog\/reliz-veracrypt-1-24-forka-truecrypt\/"},"modified":"2019-10-31T22:25:27","modified_gmt":"2019-10-31T19:25:27","slug":"reliz-veracrypt-1-24-forka-truecrypt","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/reliz-veracrypt-1-24-forka-truecrypt","title":{"rendered":"Vyd\u00e1n\u00ed VeraCrypt 1.24, forku TrueCrypt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po roce v\u00fdvoje <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/en\/Release%20Notes.html\">byla vyd\u00e1na<\/a><\/noindex> uvoln\u011bn\u00ed projektu <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/en\/\">VeraCrypt 1.24<\/a><\/noindex>, vych\u00e1zej\u00edc\u00ed z forku \u0161ifrovac\u00edho syst\u00e9mu TrueCrypt, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=39889\">kter\u00fd p\u0159estal existovat.<\/a><\/noindex> VeraCrypt se vyzna\u010duje nahrazen\u00edm algoritmu RIPEMD-160 pou\u017e\u00edvan\u00e9ho v TrueCrypt algoritmy SHA-512 a SHA-256, zv\u00fd\u0161en\u00edm po\u010dtu hashovac\u00edch iterac\u00ed, zjednodu\u0161en\u00edm procesu kompilace pro Linux a macOS, odstran\u011bn\u00edm <noindex><a rel=\"nofollow\" href=\"https:\/\/veracrypt.codeplex.com\/discussions\/569777#PostContent_1313325\">probl\u00e9mech<\/a><\/noindex>, identifikovan\u00fdch b\u011bhem <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=39573\">auditu<\/a><\/noindex> \u0161ifrovan\u00fdch zdrojov\u00fdch k\u00f3d\u016f TrueCrypt. VeraCrypt z\u00e1rove\u0148 poskytuje re\u017eim kompatibility s odd\u00edly TrueCrypt a obsahuje n\u00e1stroje pro p\u0159evod odd\u00edl\u016f TrueCrypt do form\u00e1tu VeraCrypt. K\u00f3d vyvinut\u00fd projektem VeraCrypt <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/code\/\">distribuov\u00e1no<\/a><\/noindex> je licencov\u00e1n pod licenc\u00ed Apache 2.0, zat\u00edmco p\u0159evzat\u00e9 \u010d\u00e1sti z TrueCrypt <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/code\/VeraCrypt\/commit\/src\/Crypto?id=041024fbb96c4b56a948e26fe75d3115e13edf31\">pokra\u010duj\u00ed<\/a><\/noindex> jsou vyd\u00e1v\u00e1ny pod licenc\u00ed TrueCrypt License 3.0.<\/p>\n<p>V nov\u00e9m vyd\u00e1n\u00ed:<\/p>\n<ul>\n<li class=\"l\"> Pro ne syst\u00e9mov\u00e9 odd\u00edly byla maxim\u00e1ln\u00ed d\u00e9lka hesel zv\u00fd\u0161ena na 128 znak\u016f v k\u00f3dov\u00e1n\u00ed UTF-8. Pro zaji\u0161t\u011bn\u00ed kompatibility se star\u0161\u00edmi syst\u00e9my byla p\u0159id\u00e1na mo\u017enost omezit maxim\u00e1ln\u00ed velikost hesla na 64 znak\u016f;\n<li class=\"l\"> Jako alternativu k instrukc\u00edm CPU RDRAND byla p\u0159id\u00e1na podpora knihovny <noindex><a rel=\"nofollow\" href=\"http:\/\/www.chronox.de\/jent.html\">Jitterentropy<\/a><\/noindex>, kter\u00e1 vyu\u017e\u00edv\u00e1 jitter pro hardwarovou generaci pseudo-n\u00e1hodn\u00fdch \u010d\u00edsel, zalo\u017een\u00fd na sledov\u00e1n\u00ed odchylky \u010dasu op\u011btovn\u00e9ho vykon\u00e1v\u00e1n\u00ed ur\u010dit\u00e9 skupiny instrukc\u00ed na CPU (jitter \u010dasu vykon\u00e1v\u00e1n\u00ed CPU), co\u017e z\u00e1vis\u00ed na mnoha vnit\u0159n\u00edch faktorech a je nep\u0159edv\u00eddateln\u00e9 bez fyzick\u00e9 kontroly nad CPU;\n<li class=\"l\"> Byla provedena optimalizace v\u00fdkonu re\u017eimu XTS na 64-bitov\u00fdch syst\u00e9mech s podporou instrukc\u00ed SSE2. Optimalizace v pr\u016fm\u011bru zv\u00fd\u0161ila v\u00fdkon o 10%;\n<li class=\"l\"> Byl p\u0159id\u00e1n k\u00f3d pro zji\u0161t\u011bn\u00ed p\u0159\u00edtomnosti podpory instrukc\u00ed RDRAND\/RDSEED a procesor\u016f Hygon. Byly vy\u0159e\u0161eny probl\u00e9my s ur\u010den\u00edm podpory AVX2\/BMI2;\n<li class=\"l\"> Pro Linux v CLI byla p\u0159id\u00e1na mo\u017enost &#171;&#8212;import-token-keyfiles&#187;, kompatibiln\u00ed s neinteraktivn\u00edm re\u017eimem;\n<li class=\"l\"> Pro Linux a macOS byla p\u0159id\u00e1na kontrola dostupn\u00e9ho m\u00edsta ve FS pro um\u00edst\u011bn\u00ed vytv\u00e1\u0159en\u00e9ho souborov\u00e9ho kontejneru. Pro deaktivaci kontroly je k dispozici p\u0159\u00edznak &#171;&#8212;no-size-check&#187;;\n<li class=\"l\"> Pro Windows byl implementov\u00e1n re\u017eim uchov\u00e1v\u00e1n\u00ed kl\u00ed\u010d\u016f a hesel v pam\u011bti za\u0161ifrovan\u011b, pomoc\u00ed \u0161ifry ChaCha12, hash t1ha a CSPRNG na z\u00e1klad\u011b ChaCha20. Tento re\u017eim je ve v\u00fdchoz\u00edm stavu vypnut, proto\u017ee zvy\u0161uje re\u017eijn\u00ed n\u00e1klady p\u0159ibli\u017en\u011b o 10% a neumo\u017e\u0148uje p\u0159epnout syst\u00e9m do sp\u00e1nkov\u00e9ho re\u017eimu. Pro Windows byla tak\u00e9 p\u0159id\u00e1na ochrana p\u0159ed n\u011bkter\u00fdmi \u00fatoky na z\u00edsk\u00e1v\u00e1n\u00ed dat z pam\u011bti, zalo\u017een\u00e1 na realizovan\u00e9m v <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/keepassxreboot\/keepassxc\">KeePassXC<\/a><\/noindex> metoda omezen\u00ed p\u0159\u00edstupu k pam\u011bti u\u017eivatel\u016f, kte\u0159\u00ed nemaj\u00ed opr\u00e1vn\u011bn\u00ed administr\u00e1tora. Bylo p\u0159id\u00e1no \u010di\u0161t\u011bn\u00ed kl\u00ed\u010d\u016f p\u0159ed ukon\u010den\u00edm pr\u00e1ce, p\u0159ed restartov\u00e1n\u00edm nebo (voliteln\u011b) p\u0159i p\u0159ipojen\u00ed nov\u00e9ho za\u0159\u00edzen\u00ed. Byla provedena vylep\u0161en\u00ed v UEFI zav\u00e1d\u011b\u010di. Byla p\u0159id\u00e1na podpora pou\u017eit\u00ed instrukc\u00ed CPU RDRAND a RDSEED jako dal\u0161\u00edho zdroje entropie. Byl p\u0159id\u00e1n re\u017eim montov\u00e1n\u00ed bez p\u0159i\u0159azen\u00ed p\u00edsmene odd\u00edlu.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51633\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 VeraCrypt 1.24, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0444\u043e\u0440\u043a \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0438\u0441\u043a\u043e\u0432\u044b\u0445 \u0440\u0430\u0437\u0434\u0435\u043b\u043e\u0432 TrueCrypt, \u043f\u0440\u0435\u043a\u0440\u0430\u0442\u0438\u0432\u0448\u0435\u0439 \u0441\u0432\u043e\u0451 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u0435. VeraCrypt \u043f\u0440\u0438\u043c\u0435\u0447\u0430\u0442\u0435\u043b\u0435\u043d \u0437\u0430\u043c\u0435\u043d\u043e\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u0432 TrueCrypt \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430 RIPEMD-160 \u043d\u0430 SHA-512 \u0438 SHA-256, \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u0435\u043c \u0447\u0438\u0441\u043b\u0430 \u0438\u0442\u0435\u0440\u0430\u0446\u0438\u0439 \u0445\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f, \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u0438\u0435\u043c \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u0441\u0431\u043e\u0440\u043a\u0438 \u0434\u043b\u044f Linux \u0438 macOS, \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u043f\u0440\u043e\u0431\u043b\u0435\u043c, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0430\u0443\u0434\u0438\u0442\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0445 \u0442\u0435\u043a\u0441\u0442\u043e\u0432 TrueCrypt. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c, VeraCrypt \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0440\u0435\u0436\u0438\u043c [&hellip;]<\/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-38716","post","type-post","status-publish","format-standard","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=\"\u041f\u043e\u0441\u043b\u0435 \u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 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