{"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\/ro\/blog\/news\/reliz-veracrypt-1-24-forka-truecrypt","title":{"rendered":"Lansarea VeraCrypt 1.24, fork de TrueCrypt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dup\u0103 un an de dezvoltare <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/en\/Release%20Notes.html\">publicat<\/a><\/noindex> lansarea proiectului <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/en\/\">VeraCrypt 1.24<\/a><\/noindex>, dezvoltat ca un fork al sistemului de criptare a parti\u021biilor TrueCrypt, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=39889\">care a \u00eencetat<\/a><\/noindex> s\u0103 existe. VeraCrypt se remarc\u0103 prin \u00eenlocuirea algoritmului RIPEMD-160 utilizat \u00een TrueCrypt cu SHA-512 \u0219i SHA-256, prin cre\u0219terea num\u0103rului de itera\u021bii de hash \u0219i prin simplificarea procesului de compilare pentru Linux \u0219i macOS, elimin\u00e2nd <noindex><a rel=\"nofollow\" href=\"https:\/\/veracrypt.codeplex.com\/discussions\/569777#PostContent_1313325\">problemelor<\/a><\/noindex>, problemele identificate \u00een timpul <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=39573\">auditului<\/a><\/noindex> codului surs\u0103 TrueCrypt. \u00cen acest fel, VeraCrypt ofer\u0103 un mod de compatibilitate cu parti\u021biile TrueCrypt \u0219i con\u021bine instrumente pentru convertirea parti\u021biilor TrueCrypt \u00een format VeraCrypt. Codul dezvoltat de proiectul VeraCrypt <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/code\/\">se r\u0103sp\u00e2nde\u0219te<\/a><\/noindex> este sub licen\u021ba Apache 2.0, iar \u00eemprumuturile din TrueCrypt <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/code\/VeraCrypt\/commit\/src\/Crypto?id=041024fbb96c4b56a948e26fe75d3115e13edf31\">continu\u0103<\/a><\/noindex> vor fi oferite sub licen\u021ba TrueCrypt License 3.0.<\/p>\n<p>\u00cen noua versiune:<\/p>\n<ul>\n<li class=\"l\"> Pentru parti\u021biile non-sistem, lungimea maxim\u0103 a parolelor a fost crescut\u0103 la 128 de caractere \u00een codificarea UTF-8. Pentru a asigura compatibilitatea cu sistemele mai vechi, a fost ad\u0103ugat\u0103 o op\u021biune pentru limitarea dimensiunii maxime a parolei la 64 de caractere;\n<li class=\"l\"> Ca alternativ\u0103 la instruc\u021biunile CPU RDRAND, a fost ad\u0103ugat\u0103 suport pentru biblioteca <noindex><a rel=\"nofollow\" href=\"http:\/\/www.chronox.de\/jent.html\">Jitterentropy<\/a><\/noindex>, care utilizeaz\u0103 pentru generarea hardware a numerelor aleatoare pseudo-jitter (jitter) bazat pe varia\u021bia timpului de execu\u021bie a unui anumit set de instruc\u021biuni pe CPU (CPU execution time jitter), care depinde de numero\u0219i factori interni \u0219i este imprevizibil f\u0103r\u0103 control fizic asupra CPU-ului;\n<li class=\"l\"> A fost efectuat\u0103 o optimizare a performan\u021bei modului XTS pe sisteme de 64 de bi\u021bi cu suport pentru instruc\u021biuni SSE2. Optimiz\u0103rile au permis, \u00een medie, cre\u0219terea performan\u021bei cu 10%;\n<li class=\"l\"> A fost ad\u0103ugat cod pentru a determina dac\u0103 CPU-ul suport\u0103 instruc\u021biunile RDRAND\/RDSEED \u0219i procesoarele Hygon. Problemele cu determinarea suportului AVX2\/BMI2 au fost rezolvate;\n<li class=\"l\"> Pentru Linux \u00een CLI a fost ad\u0103ugat\u0103 op\u021biunea &#171;&#8212;import-token-keyfiles&#187;, compatibil\u0103 cu modul non-interactiv;\n<li class=\"l\"> Pentru Linux \u0219i macOS a fost ad\u0103ugat\u0103 o verificare a spa\u021biului liber \u00een FS pentru plasarea containerului de fi\u0219iere creat. Pentru dezactivarea verific\u0103rii este prev\u0103zut un flag &#171;&#8212;no-size-check&#187;;\n<li class=\"l\"> Pentru Windows a fost implementat un mod de stocare a cheilor \u0219i parolelor \u00een memorie \u00eentr-o form\u0103 criptat\u0103, utiliz\u00e2nd cifra ChaCha12, hash-ul t1ha \u0219i CSPRNG bazat pe ChaCha20. Acest mod este dezactivat \u00een mod implicit, deoarece conduce la o cre\u0219tere a overhead-ului de aproximativ 10% \u0219i nu permite trecerea sistemului \u00een modul de somn. Pentru Windows a fost ad\u0103ugat\u0103, de asemenea, o protec\u021bie \u00eempotriva unor atacuri de extragere a datelor din memorie, bazat\u0103 pe implementarea \u00een <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/keepassxreboot\/keepassxc\">KeePassXC<\/a><\/noindex> metoda de restric\u021bionare a accesului la memorie pentru utilizatori f\u0103r\u0103 privilegii de administrator. A fost ad\u0103ugat\u0103 cur\u0103\u021barea cheilor \u00eenainte de \u00eencheiere, \u00eenainte de repornire sau (op\u021bional) la conectarea unui nou dispozitiv. Au fost aduse \u00eembun\u0103t\u0103\u021biri bootloader-ului UEFI. A fost ad\u0103ugat suport pentru utilizarea instruc\u021biunilor CPU RDRAND \u0219i RDSEED ca surs\u0103 suplimentar\u0103 de entropie. A fost ad\u0103ugat un mod de montare f\u0103r\u0103 atribuirea unei litere de unitate parti\u021biei.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51633\">opennet.ro<\/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 5.0.2.1 - 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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