{"id":113107,"date":"2024-01-24T23:28:03","date_gmt":"2024-01-24T21:28:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-cryptsetup-2-7-s-podderzhkoj-apparatnogo-diskovogo-shifrovaniya-opal"},"modified":"2024-01-24T23:28:03","modified_gmt":"2024-01-24T21:28:03","slug":"vypusk-cryptsetup-2-7-s-podderzhkoj-apparatnogo-diskovogo-shifrovaniya-opal","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-cryptsetup-2-7-s-podderzhkoj-apparatnogo-diskovogo-shifrovaniya-opal","title":{"rendered":"Rilascio di Cryptsetup 2.7 con supporto per la crittografia hardware del disco OPAL","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stato pubblicato un insieme di strumenti Cryptsetup 2.7, progettati per configurare la crittografia delle partizioni disco in Linux utilizzando il modulo dm-crypt. Supporta il lavoro con partizioni dm-crypt, LUKS, LUKS2, BITLK, loop-AES e TrueCrypt\/VeraCrypt. Include anche gli strumenti veritysetup e integritysetup per la configurazione dei meccanismi di controllo dell'integrit\u00e0 dei dati basati sui moduli dm-verity e dm-integrity.    <\/p>\n<p>Miglioramenti chiave:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata implementata la possibilit\u00e0 di utilizzare il meccanismo hardware di crittografia dei dischi OPAL, supportato su unit\u00e0 a crittografia autonoma (SED - Self-Encrypting Drives) SATA e NVMe con interfaccia OPAL2 TCG, in cui il dispositivo di crittografia hardware \u00e8 integrato direttamente nel controller. Da un lato, la crittografia OPAL \u00e8 legata a hardware proprietario e non \u00e8 accessibile per audit pubblici, ma, dall'altro, pu\u00f2 essere utilizzata come ulteriore livello di protezione oltre alla crittografia software, senza comportare una riduzione delle prestazioni n\u00e9 creare un carico sulla CPU.\n<p>Per utilizzare OPAL in LUKS2 \u00e8 necessaria una build del kernel Linux con l'opzione CONFIG_BLK_SED_OPAL e l'attivazione in Cryptsetup (per impostazione predefinita il supporto OPAL \u00e8 disattivato). La configurazione di LUKS2 OPAL avviene in maniera analoga alla crittografia software: i metadati sono salvati nell'intestazione di LUKS2. La chiave \u00e8 suddivisa in una chiave di partizione per la crittografia software (dm-crypt) e una chiave di sblocco per OPAL. OPAL pu\u00f2 essere utilizzato sia insieme alla crittografia software (cryptsetup luksFormat --hw-opal ), sia separatamente (cryptsetup luksFormat --hw-opal-only ). L'attivazione e la disattivazione di OPAL avvengono allo stesso modo (open, close, luksSuspend, luksResume) utilizzato per i dispositivi LUKS2.    <\/p>\n<li class=\"l\"> In modalit\u00e0 plain, in cui la master key e l'intestazione non sono memorizzate sul disco, \u00e8 attivato per impostazione predefinita il cifrario aes-xts-plain64 e l'algoritmo di hashing sha256 (anzich\u00e9 della modalit\u00e0 CBC, che presenta problemi di prestazioni, viene utilizzato XTS, e invece dell'ormai obsoleto hash ripemd160 viene utilizzato sha256).\n<li class=\"l\"> Nelle comandi open e luksResume \u00e8 consentita la memorizzazione della chiave di partizione nello storage di chiavi selezionato dall'utente nel kernel (keyring). Per accedere al keyring, molte delle comandi cryptsetup hanno aggiunto l'opzione '--volume-key-keyring' (ad esempio 'cryptsetup open  --link-vk-to-keyring \"@s::%user:testkey\" tst').\n<li class=\"l\"> Nei sistemi senza partizione di swap, durante la formattazione o la creazione di uno slot per le chiavi per PBKDF Argon2, ora viene utilizzata solo met\u00e0 della memoria libera, risolvendo cos\u00ec il problema dell'esaurimento della memoria disponibile sui sistemi con una piccola quantit\u00e0 di RAM.\n<li class=\"l\"> \u00c8 stata aggiunta l'opzione '--external-tokens-path' per specificare la directory per i gestori esterni di token LUKS2 (plugin).\n<li class=\"l\"> In tcrypt \u00e8 stata aggiunta la supporto per l'algoritmo di hashing Blake2 per VeraCrypt.\n<li class=\"l\"> Aggiunta la supporto per il cifrario a blocchi Aria.\n<li class=\"l\"> Aggiunta la supporto per Argon2 nelle implementazioni di OpenSSL 3.2 e libgcrypt, permettendo di evitare l'uso di libargon.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60493\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043d\u0430\u0431\u043e\u0440 \u0443\u0442\u0438\u043b\u0438\u0442 Cryptsetup 2.7, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \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 \u0432 Linux \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043c\u043e\u0434\u0443\u043b\u044f dm-crypt. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0440\u0430\u0431\u043e\u0442\u0430 \u0441 \u0440\u0430\u0437\u0434\u0435\u043b\u0430\u043c\u0438 dm-crypt, LUKS, LUKS2, BITLK, loop-AES \u0438 TrueCrypt\/VeraCrypt. \u0412 \u0441\u043e\u0441\u0442\u0430\u0432 \u0442\u0430\u043a\u0436\u0435 \u0432\u0445\u043e\u0434\u044f\u0442 \u0443\u0442\u0438\u043b\u0438\u0442\u044b veritysetup \u0438 integritysetup \u0434\u043b\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044f \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043c\u043e\u0434\u0443\u043b\u0435\u0439 dm-verity \u0438 dm-integrity. \u041a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u044f: \u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 [&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-113107","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043d\u0430\u0431\u043e\u0440 \u0443\u0442\u0438\u043b\u0438\u0442 Cryptsetup 2.7, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044b\u0445 \u0434\u043b\u044f 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