{"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\/hu\/blog\/news\/reliz-veracrypt-1-24-forka-truecrypt","title":{"rendered":"A VeraCrypt 1.24 kiad\u00e1sa, a TrueCrypt forkja","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Egy \u00e9v fejleszt\u00e9s ut\u00e1n <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/en\/Release%20Notes.html\">megjelent<\/a><\/noindex> a projekt kiad\u00e1s\u00e1t <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/en\/\">VeraCrypt 1.24<\/a><\/noindex>, a TrueCrypt lemezmegoszt\u00f3 titkos\u00edt\u00f3 rendszer forkja, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=39889\">amely megsz\u0171nt.<\/a><\/noindex> A VeraCrypt kiemelked\u0151 az\u00e1ltal, hogy a TrueCrypt \u00e1ltal haszn\u00e1lt RIPEMD-160 algoritmust SHA-512 \u00e9s SHA-256-ra cser\u00e9lte, n\u00f6velte a hash-el\u00e9si iter\u00e1ci\u00f3k sz\u00e1m\u00e1t, egyszer\u0171s\u00edtette a Linux \u00e9s macOS rendszerekre t\u00f6rt\u00e9n\u0151 \u00f6ssze\u00e1ll\u00edt\u00e1s folyamat\u00e1t, valamint elt\u00e1vol\u00edtotta <noindex><a rel=\"nofollow\" href=\"https:\/\/veracrypt.codeplex.com\/discussions\/569777#PostContent_1313325\">probl\u00e9m\u00e1kra<\/a><\/noindex>, a folyamat sor\u00e1n \u00e9szleltek <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=39573\">auditj\u00e1t<\/a><\/noindex> a TrueCrypt forr\u00e1sk\u00f3dokkal kapcsolatban. A VeraCrypt emellett biztos\u00edtja a TrueCrypt part\u00edci\u00f3kkal val\u00f3 kompatibilit\u00e1st \u00e9s eszk\u00f6z\u00f6ket k\u00edn\u00e1l a TrueCrypt part\u00edci\u00f3k VeraCrypt form\u00e1tumba val\u00f3 \u00e1talak\u00edt\u00e1s\u00e1hoz. A VeraCrypt \u00e1ltal fejlesztett k\u00f3d <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/code\/\">terjeszt\u00e9sre ker\u00fcl<\/a><\/noindex> az Apache 2.0 licenc alatt, m\u00edg a TrueCrypt-b\u0151l \u00e1tvett elemek <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/code\/VeraCrypt\/commit\/src\/Crypto?id=041024fbb96c4b56a948e26fe75d3115e13edf31\">tov\u00e1bbra is<\/a><\/noindex> a TrueCrypt License 3.0 licenc alatt ker\u00fclnek kiad\u00e1sra.<\/p>\n<p>Az \u00faj kiad\u00e1sban:<\/p>\n<ul>\n<li class=\"l\"> Nem rendszerszint\u0171 part\u00edci\u00f3k eset\u00e9n a jelszavak maxim\u00e1lis hossza 128 karakterre n\u0151tt UTF-8 k\u00f3dol\u00e1sban. A r\u00e9gi rendszerekkel val\u00f3 kompatibilit\u00e1s \u00e9rdek\u00e9ben egy opci\u00f3t is hozz\u00e1adtak a jelsz\u00f3 maxim\u00e1lis m\u00e9ret\u00e9nek 64 karakterre korl\u00e1toz\u00e1s\u00e1ra;\n<li class=\"l\"> Alternat\u00edvak\u00e9nt a CPU RDRAND utas\u00edt\u00e1sok mellett a <noindex><a rel=\"nofollow\" href=\"http:\/\/www.chronox.de\/jent.html\">Jitterentropy<\/a><\/noindex>, a hardveres v\u00e9letlensz\u00e1m-gener\u00e1l\u00e1shoz jitter-t haszn\u00e1l, amely a CPU egy adott utas\u00edt\u00e1ssorozat\u00e1nak ism\u00e9telt v\u00e9grehajt\u00e1si idej\u00e9nek ingadoz\u00e1s\u00e1n alapul (CPU execution time jitter), amely sz\u00e1mos bels\u0151 t\u00e9nyez\u0151t\u0151l f\u00fcgg, \u00e9s fizik\u00e1lis fel\u00fcgyelet n\u00e9lk\u00fcl kisz\u00e1m\u00edthatatlan;\n<li class=\"l\"> Optimaliz\u00e1lva lett az XTS m\u00f3d teljes\u00edtm\u00e9nye 64 bites rendszereken az SSE2 utas\u00edt\u00e1sok t\u00e1mogat\u00e1s\u00e1val. Az optimaliz\u00e1l\u00e1sok \u00e1tlagosan 10%-os teljes\u00edtm\u00e9nyn\u00f6veked\u00e9st eredm\u00e9nyeztek;\n<li class=\"l\"> Hozz\u00e1adott k\u00f3d az RDRAND\/RDSEED utas\u00edt\u00e1sok \u00e9s Hygon processzorok t\u00e1mogat\u00e1s\u00e1nak \u00e9szlel\u00e9s\u00e9re. A AVX2\/BMI2 t\u00e1mogat\u00e1s azonos\u00edt\u00e1s\u00e1val kapcsolatos probl\u00e9m\u00e1k megoldva;\n<li class=\"l\"> Linux CLI-hez hozz\u00e1adva az &#171;&#8212;import-token-keyfiles&#187; opci\u00f3, amely kompatibilis a nem interakt\u00edv \u00fczemm\u00f3ddal;\n<li class=\"l\"> Linux \u00e9s macOS sz\u00e1m\u00e1ra hozz\u00e1adva a f\u00e1jlrendszer szabad hely\u00e9nek ellen\u0151rz\u00e9se a l\u00e9trehozand\u00f3 f\u00e1jlkont\u00e9ner elhelyez\u00e9s\u00e9hez. Az ellen\u0151rz\u00e9s kikapcsol\u00e1s\u00e1hoz &#171;&#8212;no-size-check&#187; flag \u00e1ll rendelkez\u00e9sre;\n<li class=\"l\"> Windows alatt implement\u00e1lva lett a titkok \u00e9s jelszavak titkos\u00edtott form\u00e1ban t\u00f6rt\u00e9n\u0151 t\u00e1rol\u00e1sa a mem\u00f3ri\u00e1ban, ChaCha12 titkos\u00edt\u00f3t, t1ha hash-t \u00e9s ChaCha20 alap\u00fa CSPRNG-t haszn\u00e1lva. Alap\u00e9rtelmez\u00e9s szerint ez a m\u00f3d ki van kapcsolva, mivel k\u00f6r\u00fclbel\u00fcl 10%-os k\u00f6lts\u00e9gn\u00f6veked\u00e9st eredm\u00e9nyez, \u00e9s nem teszi lehet\u0151v\u00e9 a rendszer alv\u00f3 \u00fczemm\u00f3dba val\u00f3 \u00e1tv\u00e1lt\u00e1s\u00e1t. Windows alatt tov\u00e1bb\u00e1 v\u00e9delmet ny\u00fajtanak n\u00e9h\u00e1ny mem\u00f3riaalap\u00fa adatkinyer\u0151 t\u00e1mad\u00e1s ellen is. <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/keepassxreboot\/keepassxc\">KeePassXC<\/a><\/noindex> A mem\u00f3ria-hozz\u00e1f\u00e9r\u00e9s korl\u00e1toz\u00e1s\u00e1nak m\u00f3dja a nem adminisztr\u00e1tori jogosults\u00e1g\u00fa felhaszn\u00e1l\u00f3k sz\u00e1m\u00e1ra. A kulcsok t\u00f6rl\u00e9se a program le\u00e1ll\u00edt\u00e1sa, \u00fajraind\u00edt\u00e1sa el\u0151tt, vagy (opcion\u00e1lisan) \u00faj eszk\u00f6z csatlakoztat\u00e1sakor megt\u00f6rt\u00e9nik. Fejleszt\u00e9sek t\u00f6rt\u00e9ntek az UEFI ind\u00edt\u00f3ban. T\u00e1mogat\u00e1s ker\u00fclt bevezet\u00e9sre a CPU RDRAND \u00e9s RDSEED utas\u00edt\u00e1sok haszn\u00e1lat\u00e1ra, mint tov\u00e1bbi entropiaforr\u00e1s. Ker\u00fclt bevezet\u00e9sre bet\u0171k n\u00e9lk\u00fcl t\u00f6rt\u00e9n\u0151 csatol\u00e1si m\u00f3d.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <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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