{"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\/pt\/blog\/news\/reliz-veracrypt-1-24-forka-truecrypt","title":{"rendered":"Lan\u00e7amento do VeraCrypt 1.24, um fork do TrueCrypt","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s um ano de desenvolvimento <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/en\/Release%20Notes.html\">foi publicado<\/a><\/noindex> lan\u00e7amento do projeto <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/en\/\">VeraCrypt 1.24<\/a><\/noindex>, um fork do sistema de criptografia de parti\u00e7\u00f5es de disco TrueCrypt, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=39889\">que deixou de<\/a><\/noindex> existir. O VeraCrypt \u00e9 not\u00e1vel pela substitui\u00e7\u00e3o do algoritmo RIPEMD-160, utilizado no TrueCrypt, pelos algoritmos SHA-512 e SHA-256, pelo aumento do n\u00famero de itera\u00e7\u00f5es de hash, pela simplifica\u00e7\u00e3o do processo de compila\u00e7\u00e3o para Linux e macOS, e pela elimina\u00e7\u00e3o <noindex><a rel=\"nofollow\" href=\"https:\/\/veracrypt.codeplex.com\/discussions\/569777#PostContent_1313325\">problemas<\/a><\/noindex>, de problemas identificados durante <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=39573\">a auditoria<\/a><\/noindex> do c\u00f3digo-fonte do TrueCrypt. Al\u00e9m disso, o VeraCrypt oferece um modo de compatibilidade com parti\u00e7\u00f5es do TrueCrypt e cont\u00e9m ferramentas para converter parti\u00e7\u00f5es do TrueCrypt para o formato VeraCrypt. O c\u00f3digo desenvolvido pelo projeto VeraCrypt <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/code\/\">\u00e9 distribu\u00eddo<\/a><\/noindex> est\u00e1 licenciado sob a licen\u00e7a Apache 2.0, e os trechos do TrueCrypt <noindex><a rel=\"nofollow\" href=\"https:\/\/www.veracrypt.fr\/code\/VeraCrypt\/commit\/src\/Crypto?id=041024fbb96c4b56a948e26fe75d3115e13edf31\">continuam<\/a><\/noindex> a ser fornecidos sob a licen\u00e7a TrueCrypt License 3.0.<\/p>\n<p>No novo lan\u00e7amento:<\/p>\n<ul>\n<li class=\"l\"> Para parti\u00e7\u00f5es n\u00e3o-sist\u00eamicas, o comprimento m\u00e1ximo das senhas foi aumentado para 128 caracteres na codifica\u00e7\u00e3o UTF-8. Para garantir a compatibilidade com sistemas mais antigos, foi adicionada uma op\u00e7\u00e3o para limitar o comprimento m\u00e1ximo da senha a 64 caracteres;\n<li class=\"l\"> Como alternativa \u00e0s instru\u00e7\u00f5es da CPU RDRAND, foi adicionada compatibilidade com a biblioteca <noindex><a rel=\"nofollow\" href=\"http:\/\/www.chronox.de\/jent.html\">Jitterentropy<\/a><\/noindex>, que utiliza jitter para a gera\u00e7\u00e3o de n\u00fameros pseudoaleat\u00f3rios, baseado na varia\u00e7\u00e3o do tempo de reexecu\u00e7\u00e3o de um determinado conjunto de instru\u00e7\u00f5es na CPU (jitter do tempo de execu\u00e7\u00e3o da CPU), que depende de muitos fatores internos e \u00e9 imprevis\u00edvel sem controle f\u00edsico sobre a CPU;\n<li class=\"l\"> Foi realizada uma otimiza\u00e7\u00e3o de desempenho no modo XTS em sistemas de 64 bits com suporte para instru\u00e7\u00f5es SSE2. As otimiza\u00e7\u00f5es, em m\u00e9dia, permitiram um aumento de 10% no desempenho;\n<li class=\"l\"> Foi adicionado c\u00f3digo para verificar a presen\u00e7a de suporte da CPU para as instru\u00e7\u00f5es RDRAND\/RDSEED e para os processadores Hygon. Foram resolvidos problemas com a detec\u00e7\u00e3o de suporte AVX2\/BMI2;\n<li class=\"l\"> Para Linux no CLI, foi adicionada a op\u00e7\u00e3o &#171;&#8212;import-token-keyfiles&#187;, compat\u00edvel com o modo n\u00e3o interativo;\n<li class=\"l\"> Para Linux e macOS, foi adicionada uma verifica\u00e7\u00e3o da disponibilidade de espa\u00e7o livre no sistema de arquivos para a cria\u00e7\u00e3o do cont\u00eainer de arquivos. Para desativar a verifica\u00e7\u00e3o, h\u00e1 uma flag &#171;&#8212;no-size-check&#187;;\n<li class=\"l\"> Para Windows, foi implementado um modo de armazenamento de chaves e senhas na mem\u00f3ria em formato criptografado, utilizando o cifrador ChaCha12, hash t1ha e CSPRNG baseado em ChaCha20. Por padr\u00e3o, este modo est\u00e1 desativado, pois resulta em um aumento de despesas operacionais de aproximadamente 10% e n\u00e3o permite que o sistema entre em modo de suspens\u00e3o. Para Windows, tamb\u00e9m foi adicionada prote\u00e7\u00e3o contra alguns ataques de extra\u00e7\u00e3o de dados da mem\u00f3ria, baseada na implementa\u00e7\u00e3o no <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/keepassxreboot\/keepassxc\">KeePassXC<\/a><\/noindex> m\u00e9todo de restri\u00e7\u00e3o de acesso \u00e0 mem\u00f3ria para usu\u00e1rios sem privil\u00e9gios de administrador. Adicionada a limpeza de chaves antes do encerramento, da reinicializa\u00e7\u00e3o ou (opcionalmente) ao conectar um novo dispositivo. Melhorias foram feitas no carregador UEFI. Adicionada a suporte ao uso das instru\u00e7\u00f5es da CPU RDRAND e RDSEED como uma fonte adicional de entropia. Modo de montagem sem atribui\u00e7\u00e3o de letra \u00e0 parti\u00e7\u00e3o adicionado.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <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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