{"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\/cs\/blog\/news\/vypusk-cryptsetup-2-7-s-podderzhkoj-apparatnogo-diskovogo-shifrovaniya-opal","title":{"rendered":"Vyd\u00e1n\u00ed Cryptsetup 2.7 s podporou hardwarov\u00e9ho \u0161ifrov\u00e1n\u00ed disku OPAL","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Byl vyd\u00e1n soubor n\u00e1stroj\u016f Cryptsetup 2.7, ur\u010den\u00fd pro nastaven\u00ed \u0161ifrov\u00e1n\u00ed diskov\u00fdch odd\u00edl\u016f v Linuxu pomoc\u00ed modulu dm-crypt. Podporuje pr\u00e1ci s odd\u00edly dm-crypt, LUKS, LUKS2, BITLK, loop-AES a TrueCrypt\/VeraCrypt. Sou\u010d\u00e1st\u00ed je tak\u00e9 n\u00e1stroj veritysetup a integritysetup pro nastaven\u00ed mechanism\u016f kontroly integrity dat zalo\u017een\u00fdch na modulech dm-verity a dm-integrity.    <\/p>\n<p>Kl\u00ed\u010dov\u00e1 vylep\u0161en\u00ed:  <\/p>\n<ul>\n<li class=\"l\"> Byla implementov\u00e1na mo\u017enost vyu\u017eit\u00ed hardwarov\u00e9ho \u0161ifrovac\u00edho mechanismu disk\u016f OPAL, podporovan\u00e9ho na samo\u0161ifrovac\u00edch (SED \u2014 Self-Encrypting Drives) za\u0159\u00edzen\u00edch SATA a NVMe s rozhran\u00edm OPAL2 TCG, ve kter\u00fdch je za\u0159\u00edzen\u00ed hardwarov\u00e9ho \u0161ifrov\u00e1n\u00ed p\u0159\u00edmo integrovan\u00e9 v \u0159adi\u010di. Na jedn\u00e9 stran\u011b je \u0161ifrov\u00e1n\u00ed OPAL z\u00e1visl\u00e9 na propriet\u00e1rn\u00edm hardwaru a nen\u00ed dostupn\u00e9 pro ve\u0159ejn\u00fd audit, ale na druh\u00e9 stran\u011b m\u016f\u017ee b\u00fdt pou\u017eito jako dal\u0161\u00ed \u00farove\u0148 ochrany nad softwarov\u00fdm \u0161ifrov\u00e1n\u00edm, kter\u00e1 nevede ke sn\u00ed\u017een\u00ed v\u00fdkonu a nezat\u011b\u017euje CPU.\n<p>Pro pou\u017eit\u00ed OPAL v LUKS2 je vy\u017eadov\u00e1na sestava Linuxov\u00e9ho j\u00e1dra s mo\u017enost\u00ed CONFIG_BLK_SED_OPAL a povolen\u00ed v Cryptsetup (podpora OPAL je ve v\u00fdchoz\u00edm nastaven\u00ed zak\u00e1z\u00e1na). Konfigurace LUKS2 OPAL se prov\u00e1d\u00ed analogicky k softwarov\u00e9mu \u0161ifrov\u00e1n\u00ed \u2014 metadata se ukl\u00e1daj\u00ed do hlavi\u010dky LUKS2. Kl\u00ed\u010d se d\u011bl\u00ed na kl\u00ed\u010d odd\u00edlu pro softwarov\u00e9 \u0161ifrov\u00e1n\u00ed (dm-crypt) a kl\u00ed\u010d pro odem\u010den\u00ed OPAL. OPAL m\u016f\u017ee b\u00fdt pou\u017e\u00edv\u00e1n jak spolu se softwarov\u00fdm \u0161ifrov\u00e1n\u00edm (cryptsetup luksFormat \u2014hw-opal ), tak samostatn\u011b (cryptsetup luksFormat \u2014hw-opal-only ). Aktivace a deaktivace OPAL se prov\u00e1d\u00ed stejn\u00fdm zp\u016fsobem (open, close, luksSuspend, luksResume) jako pro za\u0159\u00edzen\u00ed LUKS2.    <\/p>\n<li class=\"l\"> V re\u017eimu plain, kdy master kl\u00ed\u010d a hlavi\u010dka nejsou ulo\u017eeny na disku, je ve v\u00fdchoz\u00edm nastaven\u00ed pou\u017eit \u0161ifrovac\u00ed algoritmus aes-xts-plain64 a hashovac\u00ed algoritmus sha256 (nam\u00edsto re\u017eimu CBC, kter\u00fd m\u00e1 probl\u00e9my s v\u00fdkonem, je pou\u017eit XTS a m\u00edsto zastaral\u00e9ho hashov\u00e1n\u00ed ripemd160 \u2014 sha256).\n<li class=\"l\"> V p\u0159\u00edkazech open a luksResume je povoleno uchov\u00e1vat kl\u00ed\u010d odd\u00edlu ve vybran\u00e9m u\u017eivatelsk\u00e9m \u00falo\u017ei\u0161ti kl\u00ed\u010d\u016f v j\u00e1d\u0159e (keyring). Pro p\u0159\u00edstup k keyringu byla p\u0159id\u00e1na volba \u201e\u2014volume-key-keyring\u201c k mnoha p\u0159\u00edkaz\u016fm cryptsetup (nap\u0159\u00edklad \u2018cryptsetup open  \u2014link-vk-to-keyring \u201e@s::%user:testkey\u201c tst\u2019).\n<li class=\"l\"> Na syst\u00e9mech bez swapov\u00e9 odd\u00edlu se p\u0159i form\u00e1tov\u00e1n\u00ed nebo vytv\u00e1\u0159en\u00ed kl\u00ed\u010dov\u00e9ho slotu pro PBKDF Argon2 nyn\u00ed pou\u017e\u00edv\u00e1 pouze polovina voln\u00e9 pam\u011bti, co\u017e vy\u0159e\u0161ilo probl\u00e9m s vy\u010derp\u00e1n\u00edm dostupn\u00e9 pam\u011bti na syst\u00e9mech s n\u00edzk\u00fdm objemem RAM.\n<li class=\"l\"> Byla p\u0159id\u00e1na volba \u201e\u2014external-tokens-path\u201c pro ur\u010den\u00ed adres\u00e1\u0159e pro extern\u00ed zpracovatele token\u016f LUKS2 (pluginy).\n<li class=\"l\"> Do tcrypt byla p\u0159id\u00e1na podpora hashovac\u00edho algoritmu Blake2 pro VeraCrypt.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora blokov\u00e9ho \u0161ifrov\u00e1n\u00ed Aria.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora Argon2 v implementac\u00edch OpenSSL 3.2 a libgcrypt, co\u017e umo\u017e\u0148uje obej\u00edt se bez pou\u017eit\u00ed libargon.    <\/ul>\n<p>Zdroj: <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 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043d\u0430\u0431\u043e\u0440 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