{"id":52523,"date":"2019-11-10T00:00:00","date_gmt":"2019-11-09T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/opensorsnyj-chip-opentitan-zamenit-proprietarnye-korni-doveriya-intel-i-arm"},"modified":"2020-02-18T14:00:16","modified_gmt":"2020-02-18T11:00:16","slug":"opensorsnyj-chip-opentitan-zamenit-proprietarnye-korni-doveriya-intel-i-arm","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/opensorsnyj-chip-opentitan-zamenit-proprietarnye-korni-doveriya-intel-i-arm","title":{"rendered":"Az OpenTitan ny\u00edlt forr\u00e1sk\u00f3d\u00fa chipek helyettes\u00edtik az Intel \u00e9s ARM z\u00e1rt forr\u00e1s\u00fa bizalom gy\u00f6kereit.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Az OpenTitan ny\u00edlt forr\u00e1sk\u00f3d\u00fa chipek helyettes\u00edtik az Intel \u00e9s ARM z\u00e1rt forr\u00e1s\u00fa bizalom gy\u00f6kereit.\" src=\"\/wp-content\/uploads\/2019\/11\/f772b9f7e7f57a5c6a700ac0ca6110b8.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNonprofit szervezet <noindex><a rel=\"nofollow\" href=\"https:\/\/www.lowrisc.org\/\">lowRISC<\/a><\/noindex> a Google \u00e9s m\u00e1s szponzorok r\u00e9szv\u00e9tel\u00e9vel 2019. november 5-\u00e9n <noindex><a rel=\"nofollow\" href=\"https:\/\/www.lowrisc.org\/blog\/2019\/11\/announcing-opentitan-the-first-transparent-silicon-root-of-trust\/\">bemutatta<\/a><\/noindex> projekt <noindex><a rel=\"nofollow\" href=\"https:\/\/opentitan.org\">OpenTitan<\/a><\/noindex>, amelyet \"az els\u0151 ny\u00edlt forr\u00e1sk\u00f3d\u00fa projekt a ny\u00edlt, min\u0151s\u00e9gi hardver alap\u00fa bizalom gy\u00f6kereinek (RoT) megteremt\u00e9s\u00e9re\" neveznek.<\/p>\n<p>Az OpenTitan RISC-V architekt\u00far\u00e1ja egy speci\u00e1lis c\u00e9l\u00fa chip, amelyet adatk\u00f6zpontokban szerverekre \u00e9s b\u00e1rmilyen m\u00e1s eszk\u00f6zre telep\u00edtenek, ahol fontos a rendszerind\u00edt\u00e1s hiteles\u00edt\u00e9se, a firmware m\u00f3dos\u00edt\u00e1sok v\u00e9delme \u00e9s a rootkit-k val\u00f3sz\u00edn\u0171s\u00e9g\u00e9nek kiz\u00e1r\u00e1sa: p\u00e9ld\u00e1ul alaplapok, h\u00e1l\u00f3zati k\u00e1rty\u00e1k, routerek, IoT eszk\u00f6z\u00f6k, mobil k\u00fcty\u00fck \u00e9s m\u00e1sok.<\/p>\n<p>Term\u00e9szetesen ilyen modulok l\u00e9teznek a modern processzorokban. P\u00e9ld\u00e1ul az Intel Boot Guard hardver modul a bizalom gy\u00f6kereke az Intel processzorokban. Ez a bizalmi l\u00e1nc igazolja az UEFI BIOS hiteles\u00edt\u00e9s\u00e9t az oper\u00e1ci\u00f3s rendszer bet\u00f6lt\u00e9se el\u0151tt. De a k\u00e9rd\u00e9s, mennyire b\u00edzhatunk a z\u00e1rt forr\u00e1sk\u00f3d\u00fa bizalmi gy\u00f6kerekben, figyelembe v\u00e9ve, hogy nincsenek garanci\u00e1k a tervez\u00e9si hib\u00e1k hi\u00e1ny\u00e1ra, \u00e9s azt nem lehet ellen\u0151rizni? L\u00e1sd a cikket <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dsec\/blog\/326556\/\">\"Schr\u00f6dinger megb\u00edzhat\u00f3 ind\u00edt\u00e1sa. Intel Boot Guard\"<\/a><\/noindex> amely le\u00edrja, hogy \"hogyan teszi lehet\u0151v\u00e9 \u00e9vek \u00f3ta kl\u00f3nozott hiba a k\u00fcl\u00f6nf\u00e9le gy\u00e1rt\u00f3k term\u00e9keiben, hogy egy lehets\u00e9ges t\u00e1mad\u00f3 a rendszeren bel\u00fcl egy elt\u00e1vol\u00edthatatlan (m\u00e9g programoz\u00f3 \u00e1ltal is) rejtett rootkitet hozzon l\u00e9tre.\"<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nA hardver kompromitt\u00e1l\u00e1s\u00e1nak fenyeget\u00e9se a besz\u00e1ll\u00edt\u00f3i l\u00e1ncban meglep\u0151en val\u00f3di: l\u00e1tsz\u00f3lag b\u00e1rmely elektronikai hobbista <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/news\/t\/471398\/\">be tud \u00e9p\u00edteni egy lehallgat\u00f3t a szerver alaplapj\u00e1ba<\/a><\/noindex>, mind\u00f6ssze 200 doll\u00e1rnyi eszk\u00f6zk\u00f6lts\u00e9ggel. N\u00e9h\u00e1ny szak\u00e9rt\u0151 gyan\u00edtja, hogy \"a k\u00f6lts\u00e9gvet\u00e9s\u00fckben t\u00f6bb sz\u00e1z milli\u00f3 doll\u00e1rral rendelkez\u0151 szervezetek \u00e9vek \u00f3ta foglalkoznak ezzel\". B\u00e1r bizony\u00edt\u00e9k nincs, elm\u00e9letileg lehets\u00e9ges.<\/p>\n<blockquote><p>\"Ha nem b\u00edzhatsz a hardver ind\u00edt\u00f3j\u00e1ban, a j\u00e1t\u00e9k v\u00e9get \u00e9rt \u2013 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.technologyreview.com\/s\/614675\/googles-new-chip-protects-the-cloud-where-its-most-vulnerable\/\">mondja<\/a><\/noindex> mondta Gavin Ferris, a lowRISC igazgat\u00f3tan\u00e1cs\u00e1nak tagja. \u2013 Nem sz\u00e1m\u00edt, mit csin\u00e1l az oper\u00e1ci\u00f3s rendszer \u2013 ha az oper\u00e1ci\u00f3s rendszer bet\u00f6lt\u00e9sekor m\u00e1r kompromitt\u00e1lt vagy, akkor a t\u00f6bbi csak technikai k\u00e9rd\u00e9s. M\u00e1r v\u00e9ged van.\"<\/p><\/blockquote>\n<p>\nEzt a probl\u00e9m\u00e1t kell megoldania az OpenTitan els\u0151 ilyen ny\u00edlt hardver platformj\u00e1nak (<noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/lowRISC\/opentitan\">GitHub t\u00e1rol\u00f3<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.opentitan.org\">dokument\u00e1ci\u00f3<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.opentitan.org\/hw\/\">hardver specifik\u00e1ci\u00f3k<\/a><\/noindex>). A z\u00e1rt forr\u00e1sk\u00f3d\u00fa megold\u00e1sok elhagy\u00e1sa lehet\u0151v\u00e9 teszi a \"nehezen mozg\u00f3 \u00e9s t\u00f6k\u00e9letlen RoT ipar\" megv\u00e1ltoztat\u00e1s\u00e1t, v\u00e9li a Google.<\/p>\n<p>A Google maga a Titan fejleszt\u00e9s\u00e9be, felfedezve a Minix oper\u00e1ci\u00f3s rendszert, amely be\u00e9p\u00edtett a Intel Management Engine (ME) chipjeibe. Ez a bonyolult oper\u00e1ci\u00f3s rendszer kisz\u00e1m\u00edthatatlan \u00e9s kezelhetetlen m\u00f3don b\u0151v\u00edtette a t\u00e1mad\u00e1si fel\u00fcletet. Google <noindex><a rel=\"nofollow\" href=\"https:\/\/www.tomshardware.com\/news\/google-removing-minix-management-engine-intel,35876.html\">megpr\u00f3b\u00e1lta megsz\u00fcntetni az Intel Management Engine (ME)-t<\/a><\/noindex>, de sikertelen\u00fcl.<\/p>\n<h1>Mi az a bizalmi gy\u00f6k\u00e9r?<\/h1>\n<p>\nA rendszerind\u00edt\u00e1si folyamat minden szakasza hiteles\u00edti a k\u00f6vetkez\u0151 szakaszt, ez\u00e1ltal <i>bizalmi l\u00e1ncot<\/i>.<\/p>\n<p>A bizalmi gy\u00f6k\u00e9r (Root of Trust, RoT) egy hardveres hiteles\u00edt\u00e9si mechanizmus, amely garant\u00e1lja, hogy a bizalmi l\u00e1ncban az els\u0151 v\u00e9grehajthat\u00f3 utas\u00edt\u00e1s forr\u00e1sa nem v\u00e1ltoztathat\u00f3. A RoT alapvet\u0151 v\u00e9delmet ny\u00fajt a rootkit-ek ellen. Ez a rendszerind\u00edt\u00e1s folyamat\u00e1nak kulcsfontoss\u00e1g\u00fa l\u00e9p\u00e9se, amely r\u00e9szt vesz a rendszer tov\u00e1bbi elind\u00edt\u00e1s\u00e1ban \u2013 a BIOS-t\u00f3l az oper\u00e1ci\u00f3s rendszerig \u00e9s az alkalmaz\u00e1sokig. Ellen\u0151riznie kell az \u00f6sszes tov\u00e1bbi rendszerind\u00edt\u00e1si szakasz hiteless\u00e9g\u00e9t. Ehhez minden l\u00e9p\u00e9sn\u00e9l digit\u00e1lis al\u00e1\u00edr\u00e1ssal rendelkez\u0151 kulcsk\u00e9szletet haszn\u00e1lnak. Az egyik legn\u00e9pszer\u0171bb hardveres kulcv\u00e9delmi szabv\u00e1ny a TPM (Trusted Platform Module, megb\u00edzhat\u00f3 platform modul).<\/p>\n<p><img decoding=\"async\" alt=\"Az OpenTitan ny\u00edlt forr\u00e1sk\u00f3d\u00fa chipek helyettes\u00edtik az Intel \u00e9s ARM z\u00e1rt forr\u00e1s\u00fa bizalom gy\u00f6kereit.\" src=\"\/wp-content\/uploads\/2019\/11\/f7d282d85ae0d7bdc0cbd7e702da4df3.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>A bizalmi gy\u00f6k\u00e9r l\u00e9trehoz\u00e1sa. Fent egy \u00f6t l\u00e9pcs\u0151s ind\u00edt\u00e1s l\u00e1that\u00f3, amely a bizalmi l\u00e1ncot form\u00e1lja, \u00e9s a megv\u00e1ltoztathatatlan mem\u00f3ri\u00e1ban tal\u00e1lhat\u00f3 bet\u00f6lt\u0151vel kezd\u0151dik. Minden l\u00e9p\u00e9s sor\u00e1n egy nyilv\u00e1nos kulcsot haszn\u00e1lnak, amely hiteles\u00edti a k\u00f6vetkez\u0151 bet\u00f6ltend\u0151 komponenst. Illusztr\u00e1ci\u00f3 Perry Lee k\u00f6nyv\u00e9b\u0151l <noindex><a rel=\"nofollow\" href=\"https:\/\/dmkpress.com\/catalog\/computer\/os\/978-5-97060-672-8\/\">Az \u201eInternet of Things architekt\u00far\u00e1ja\u201d<\/a><\/noindex><\/i><\/p>\n<p>A RoT k\u00fcl\u00f6nb\u00f6z\u0151 m\u00f3dokon ind\u00edthat\u00f3:<\/p>\n<ul>\n<li>a k\u00e9p \u00e9s a gy\u00f6k\u00e9rkulcs bet\u00f6lt\u00e9se a firmware-b\u00f3l vagy a megv\u00e1ltoztathatatlan mem\u00f3ri\u00e1b\u00f3l;\n<\/li>\n<li>a gy\u00f6k\u00e9rkulcs t\u00e1rol\u00e1sa egyszer programozhat\u00f3 mem\u00f3ri\u00e1ban f\u00fazi\u00f3s bitekkel;\n<\/li>\n<li>a k\u00f3d bet\u00f6lt\u00e9se v\u00e9dett mem\u00f3ria ter\u00fcletr\u0151l v\u00e9dett t\u00e1rol\u00f3ba.<\/li>\n<\/ul>\n<p>\nK\u00fcl\u00f6nb\u00f6z\u0151 processzorok eset\u00e9ben a bizalmi gy\u00f6k\u00e9r m\u00e1sk\u00e9pp van megval\u00f3s\u00edtva. Az Intel \u00e9s az ARM<br \/>\na k\u00f6vetkez\u0151 technol\u00f3gi\u00e1kat t\u00e1mogatj\u00e1k:<\/p>\n<ul>\n<li><b>ARM TrustZone<\/b>. Az ARM tulajdonosi szil\u00edciumblokkot \u00e9rt\u00e9kes\u00edt a chipgy\u00e1rt\u00f3knak, amely biztos\u00edtja a bizalmi gy\u00f6k\u00e9rt \u00e9s egy\u00e9b biztons\u00e1gi mechanizmusokat. \u00cdgy a mikroprocesszor elk\u00fcl\u00f6n\u00fcl a nem biztons\u00e1gos magt\u00f3l; a Trusted OS - egy v\u00e9dett oper\u00e1ci\u00f3s rendszer - megfelel\u0151 interf\u00e9szen kereszt\u00fcl kommunik\u00e1l a nem biztons\u00e1gos komponensekkel. A v\u00e9dett er\u0151forr\u00e1sok a megb\u00edzhat\u00f3 magban tal\u00e1lhat\u00f3k, \u00e9s a lehet\u0151 legk\u00f6nnyebbeknek kell lenni\u00fck. Az elt\u00e9r\u00e9sek a k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpus\u00fa komponensek k\u00f6z\u00f6tt hardveres kontextusv\u00e1lt\u00e1ssal t\u00f6rt\u00e9nik, \u00edgy nincs sz\u00fcks\u00e9g biztons\u00e1gos szoftverre a megfigyel\u00e9shez. \n<\/li>\n<li><b>Intel Boot Guard<\/b> \u2014 egy hardveres mechanizmus, amely a kezdeti bet\u00f6lt\u00e9si blokk hiteles\u00edt\u00e9s\u00e9t v\u00e9gzi kriptogr\u00e1fiai m\u00f3dszerekkel vagy m\u00e9r\u00e9si folyamat seg\u00edts\u00e9g\u00e9vel. A kezdeti blokk ellen\u0151rz\u00e9s\u00e9hez a gy\u00e1rt\u00f3nak egy 2048 bites kulcsot kell gener\u00e1lnia, amely k\u00e9t r\u00e9szb\u0151l \u00e1ll: a ny\u00edlt \u00e9s a z\u00e1rt kulcsb\u00f3l. A ny\u00edlt kulcs a desztin\u00e1l\u00e1s sor\u00e1n s\u00fct\u0151bit-eket robban \u00e1t a gy\u00e1rt\u00e1s sor\u00e1n. Ezek a bitek egyszer haszn\u00e1latosak \u00e9s nem megv\u00e1ltoztathat\u00f3k. A z\u00e1rt kulcs digit\u00e1lis al\u00e1\u00edr\u00e1st gener\u00e1l a bet\u00f6lt\u00e9si folyamat hiteles\u00edt\u00e9s\u00e9hez.<\/li>\n<\/ul>\n<p>\nAz OpenTitan platform alapvet\u0151 r\u00e9szleteit nyitja meg, mint az az al\u00e1bbi diagramon l\u00e1that\u00f3.<\/p>\n<p><img decoding=\"async\" alt=\"Az OpenTitan ny\u00edlt forr\u00e1sk\u00f3d\u00fa chipek helyettes\u00edtik az Intel \u00e9s ARM z\u00e1rt forr\u00e1s\u00fa bizalom gy\u00f6kereit.\" src=\"\/wp-content\/uploads\/2019\/11\/ff75fd23edf8654b1308a4f5b06b79b1.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h1>OpenTitan platform<\/h1>\n<p>\nAz OpenTitan platform fejleszt\u00e9s\u00e9t a non-profit lowRISC szervezet ir\u00e1ny\u00edtja. Az m\u00e9rn\u00f6kkoll\u00e9gium Cambridge-ben (Egyes\u00fclt Kir\u00e1lys\u00e1g) tal\u00e1lhat\u00f3, \u00e9s a f\u0151 szponzor a Google. Az alap\u00edt\u00f3 partnerek k\u00f6z\u00f6tt szerepel a Z\u00fcrichi M\u0171szaki F\u0151iskola, a G+D Mobile Security, a Nuvoton Technology \u00e9s a Western Digital.<\/p>\n<p>Google <noindex><a rel=\"nofollow\" href=\"https:\/\/opensource.googleblog.com\/2019\/11\/opentitan-open-sourcing-transparent.html\">k\u00f6z\u00f6lte a hirdet\u00e9st<\/a><\/noindex> a Google Open Source v\u00e1llalati blogj\u00e1ban. A c\u00e9g kijelentette, hogy az OpenTitan c\u00e9lja, hogy \"magas szint\u0171 tervez\u00e9si \u00e9s integr\u00e1ci\u00f3s aj\u00e1nl\u00e1sokat biztos\u00edtson a RoT haszn\u00e1lat\u00e1ra a v\u00e1rakoz\u00e1si k\u00f6zpontok, t\u00e1rol\u00f3k, perif\u00e9ri\u00e1s eszk\u00f6z\u00f6k \u00e9s egyebek ter\u00e9n.\"<\/p>\n<p>A bizalmi gy\u00f6k\u00e9r az els\u0151 l\u00e1ncszem a bizalmi l\u00e1ncban, a legals\u00f3 szinten a megb\u00edzhat\u00f3 sz\u00e1m\u00edt\u00e1stechnikai modulban, amelyet a rendszer mindig teljes m\u00e9rt\u00e9kben megb\u00edzhat\u00f3k\u00e9nt kezel.<\/p>\n<p>A RoT kritikus fontoss\u00e1g\u00fa az alkalmaz\u00e1sok, k\u00f6zt\u00fck a nyilv\u00e1nos kulcs\u00fa infrastrukt\u00far\u00e1k (PKI) sz\u00e1m\u00e1ra. Ez a biztons\u00e1gi rendszer alapja, amelyre olyan bonyolult rendszerek \u00e9p\u00fclnek, mint egy IoT alkalmaz\u00e1s vagy egy adatk\u00f6zpont. \u00c9ppen ez\u00e9rt \u00e9rthet\u0151, hogy a Google t\u00e1mogatja ezt a projektet. Jelenleg 19 adatk\u00f6zpontja van \u00f6t kontinensen. Az adatk\u00f6zpontok, t\u00e1rol\u00f3k \u00e9s kritikus fontoss\u00e1g\u00fa alkalmaz\u00e1sok sz\u00e9les t\u00e1mad\u00e1si fel\u00fcletet jelentenek, \u00e9s e infrastrukt\u00fara v\u00e9delme \u00e9rdek\u00e9ben a Google eredetileg saj\u00e1t bizalmi gy\u00f6ker\u00e9t fejlesztette ki a Titan chippel.<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/cloud.google.com\/blog\/products\/gcp\/titan-in-depth-security-in-plaintext\">A Titan propriet\u00e1lis chip<\/a><\/noindex> a Google adatk\u00f6zpontjai sz\u00e1m\u00e1ra els\u0151 \u00edzben bemutat\u00e1sra ker\u00fclt <noindex><a rel=\"nofollow\" href=\"https:\/\/www.businessinsider.com\/google-cloud-urs-holzle-2017-3\">2017 m\u00e1rcius\u00e1ban<\/a><\/noindex> a Google Cloud Next konferenci\u00e1n. \u201eSz\u00e1m\u00edt\u00f3g\u00e9peink kriptogr\u00e1fiai ellen\u0151rz\u00e9st v\u00e9geznek minden egyes szoftvercsomagon, majd eld\u00f6ntik, hogy \u00e9rdemes-e hozz\u00e1f\u00e9r\u00e9st biztos\u00edtani a h\u00e1l\u00f3zat er\u0151forr\u00e1saihoz. A Titan be\u00e9p\u00fcl ebbe a folyamatba, \u00e9s tov\u00e1bbi v\u00e9delmi r\u00e9tegeket k\u00edn\u00e1l,\u201d \u2013 mondt\u00e1k a Google k\u00e9pvisel\u0151i a bemutat\u00f3n.<\/p>\n<p><img decoding=\"async\" alt=\"Az OpenTitan ny\u00edlt forr\u00e1sk\u00f3d\u00fa chipek helyettes\u00edtik az Intel \u00e9s ARM z\u00e1rt forr\u00e1s\u00fa bizalom gy\u00f6kereit.\" src=\"\/wp-content\/uploads\/2019\/11\/fc7be7d9f07204c5024648659bb5c98e.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>A Titan chip a Google szerver\u00e9ben<\/i><\/p>\n<p>A Titan architekt\u00far\u00e1ja a Google tulajdona volt, de most k\u00f6zkinccs\u00e9 v\u00e1lik egy ny\u00edlt forr\u00e1sk\u00f3d\u00fa projekt keret\u00e9ben. <\/p>\n<p>A projekt els\u0151 szakasza a RoT logikai tervez\u00e9s\u00e9nek l\u00e9trehoz\u00e1sa a chip szintj\u00e9n, bele\u00e9rtve a ny\u00edlt forr\u00e1sk\u00f3d\u00fa mikroprocesszort <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/lowRISC\/ibex\/\">lowRISC ibex<\/a><\/noindex>, kriptogr\u00e1fiai processzorok, hardveres v\u00e9letlensz\u00e1m-gener\u00e1tor, kulcshierarchi\u00e1k \u00e9s mem\u00f3ria energiatart\u00f3 \u00e9s energiatart\u00f3 t\u00e1rol\u00e1shoz, v\u00e9delmi mechanizmusok, perif\u00e9ri\u00e1s eszk\u00f6z\u00f6ket, valamint biztons\u00e1gos ind\u00edt\u00e1si folyamatokat.<\/p>\n<p>A Google szerint az OpenTitan h\u00e1rom alapvet\u0151 elven alapul: <\/p>\n<ul>\n<li>mindenki lehet\u0151s\u00e9get kap arra, hogy ellen\u0151rizze a platformot \u00e9s hozz\u00e1j\u00e1ruljon;\u00a0 <\/li>\n<li>n\u00f6velt rugalmass\u00e1g a logikailag biztons\u00e1gos diz\u00e1jn megnyit\u00e1s\u00e1val, amelyet nem blokkolnak a sz\u00e1ll\u00edt\u00f3 \u00fczleti titkai;\u00a0\n<\/li>\n<li>min\u0151s\u00e9g, amelyet nemcsak a diz\u00e1jn biztos\u00edt, hanem a referencia firmware \u00e9s a dokument\u00e1ci\u00f3 is.<\/li>\n<\/ul>\n<p>\nA jelenlegi megb\u00edzhat\u00f3s\u00e1g gy\u00f6kerein alapul\u00f3 mikrosch\u00e9m\u00e1k nagyon z\u00e1rt rendszer\u0171ek. \u00c1ll\u00edtj\u00e1k, hogy biztons\u00e1gosak, de val\u00f3j\u00e1ban ezt el kell hinn\u00fcnk, \u00e9s nem tudjuk ellen\u0151rizni \u0151ket \u2013 mondta Dominic Rizzo, a Google Titan projekt vezet\u0151 biztons\u00e1gi szak\u00e9rt\u0151je. \u2013 Most el\u0151sz\u00f6r van lehet\u0151s\u00e9g arra, hogy biztons\u00e1got ny\u00fajtsunk an\u00e9lk\u00fcl, hogy a z\u00e1rt rendszer\u0171 megb\u00edzhat\u00f3s\u00e1g gy\u00f6kereibe vetett hitre t\u00e1maszkodn\u00e1nk. Teh\u00e1t az alap nemcsak er\u0151s, hanem ellen\u0151rizhet\u0151 is. <\/p>\n<p>Rizzo hozz\u00e1tette, hogy az OpenTitan egy\u00e9rtelm\u0171en \"radik\u00e1lisan \u00e1tl\u00e1that\u00f3 tervez\u00e9snek\" tekinthet\u0151 a jelenlegi helyzethez k\u00e9pest.<\/p>\n<p>A fejleszt\u0151k szerint az OpenTitan-t semmik\u00e9ppen sem szabad befejezett term\u00e9kk\u00e9nt kezelni, mivel a fejleszt\u00e9s m\u00e9g nem fejez\u0151d\u00f6tt be. Sz\u00e1nd\u00e9kosan nyilv\u00e1noss\u00e1gra hozt\u00e1k a specifik\u00e1ci\u00f3kat \u00e9s a terveket a fejleszt\u00e9s k\u00f6zep\u00e9n, hogy mindenki ellen\u0151rizhesse, hozz\u00e1j\u00e1rulhasson \u00e9s t\u00f6k\u00e9letes\u00edthesse a rendszert a gy\u00e1rt\u00e1s megkezd\u00e9se el\u0151tt. <\/p>\n<p>Az OpenTitan chipek gy\u00e1rt\u00e1s\u00e1nak megkezd\u00e9s\u00e9hez jelentkezni kell \u00e9s tan\u00fas\u00edtv\u00e1nyt kell szerezni. \u00dagy t\u0171nik, hogy nem sz\u00fcks\u00e9ges licenszd\u00edjat fizetni.<br \/>\n<br \/>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dcmiran\/blog\/474900\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041d\u0435\u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0430\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f lowRISC \u043f\u0440\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0438 Google \u0438 \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u043f\u043e\u043d\u0441\u043e\u0440\u043e\u0432 5 \u043d\u043e\u044f\u0431\u0440\u044f 2019 \u0433\u043e\u0434\u0430 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043f\u0440\u043e\u0435\u043a\u0442 OpenTitan, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043d\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u00ab\u043f\u0435\u0440\u0432\u044b\u043c \u043e\u043f\u0435\u043d\u0441\u043e\u0440\u0441\u043d\u044b\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c \u043f\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044e \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439, \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0439 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c \u0441 \u043a\u043e\u0440\u043d\u0435\u043c \u0434\u043e\u0432\u0435\u0440\u0438\u044f (RoT) \u043d\u0430 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u043c \u0443\u0440\u043e\u0432\u043d\u0435\u00bb. OpenTitan \u043d\u0430 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0435 RISC-V\u00a0\u2014 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u0430 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0430\u0445 \u0432 \u0434\u0430\u0442\u0430-\u0446\u0435\u043d\u0442\u0440\u0430\u0445 \u0438 \u0432 \u043b\u044e\u0431\u043e\u043c \u0434\u0440\u0443\u0433\u043e\u043c \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0438, \u0433\u0434\u0435 \u043d\u0443\u0436\u043d\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0442\u044c [&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":[688],"tags":[],"class_list":["post-52523","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041d\u0435\u043a\u043e\u043c\u043c\u0435\u0440\u0447\u0435\u0441\u043a\u0430\u044f.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/opensorsnyj-chip-opentitan-zamenit-proprietarnye-korni-doveriya-intel-i-arm\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta 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OpenSource chip, az OpenTitan, felv\u00e1ltja az Intel \u00e9s ARM z\u00e1rt megb\u00edzhat\u00f3s\u00e1gi gy\u00f6kereit | ProHoster","description":"Nonprofit.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/opensorsnyj-chip-opentitan-zamenit-proprietarnye-korni-doveriya-intel-i-arm","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u043f\u0435\u043d\u0441\u043e\u0440\u0441\u043d\u044b\u0439 \u0447\u0438\u043f OpenTitan \u0437\u0430\u043c\u0435\u043d\u0438\u0442 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