{"id":40628,"date":"2020-02-02T15:06:08","date_gmt":"2020-02-02T12:06:08","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/google-predstavil-otkrytyj-stek-opensk-dlya-sozdaniya-kriptograficheskih-tokenov"},"modified":"2020-02-02T15:06:08","modified_gmt":"2020-02-02T12:06:08","slug":"google-predstavil-otkrytyj-stek-opensk-dlya-sozdaniya-kriptograficheskih-tokenov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/google-predstavil-otkrytyj-stek-opensk-dlya-sozdaniya-kriptograficheskih-tokenov","title":{"rendered":"Google p\u0159edstavil otev\u0159en\u00fd stack OpenSK pro vytv\u00e1\u0159en\u00ed kryptografick\u00fdch token\u016f","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Google p\u0159edstavila<\/a><\/noindex> platforma OpenSK, kter\u00e1 umo\u017e\u0148uje vytv\u00e1\u0159et firmware pro kryptografick\u00e9 tokeny, pln\u011b vyhovuj\u00edc\u00ed standard\u016fm FIDO U2F<\/a><\/noindex> a FIDO2<\/a><\/noindex>. Tokeny p\u0159ipraven\u00e9 pomoc\u00ed OpenSK mohou slou\u017eit jako autentifik\u00e1tory pro prim\u00e1rn\u00ed a dvoufaktorovou autentifikaci, stejn\u011b jako pro potvrzen\u00ed fyzick\u00e9 p\u0159\u00edtomnosti u\u017eivatele. Projekt je naps\u00e1n v jazyce Rust a distribuov\u00e1no<\/a><\/noindex> pod licenc\u00ed Apache 2.0.<\/p>\n

OpenSK nab\u00edz\u00ed mo\u017enost vytvo\u0159en\u00ed vlastn\u00edho tokenu pro dvoufaktorovou autentifikaci na webech, kter\u00fd se na rozd\u00edl od hotov\u00fdch \u0159e\u0161en\u00ed vyr\u00e1b\u011bn\u00fdch takov\u00fdmi v\u00fdrobci, jako jsou Yubico, Feitian, Thetis a Kensington, zakl\u00e1d\u00e1 na zcela otev\u0159en\u00e9m firmwaru, dostupn\u00e9m pro roz\u0161\u00ed\u0159en\u00ed a audit. OpenSK se profiluje jako v\u00fdzkumn\u00e1 platforma, kterou v\u00fdrobci token\u016f a nad\u0161enci mohou vyu\u017e\u00edvat k v\u00fdvoji nov\u00fdch funkc\u00ed a propagaci token\u016f mezi \u0161irokou ve\u0159ejnost\u00ed. P\u016fvodn\u011b byl k\u00f3d OpenSK vyvinut jako aplikace pro Tock OS<\/a><\/noindex> a byl testov\u00e1n na desk\u00e1ch Nordic nRF52840-DK a Nordic nRF52840-dongle. <\/p>\n

Krom\u011b softwaru projekt poskytuje<\/a><\/noindex> modely pro 3D tisk kryt\u016f USB kl\u00ed\u010d\u016f zalo\u017een\u00fdch na popul\u00e1rn\u00edm \u010dipu Nordic nRF52840<\/a><\/noindex>, kter\u00fd zahrnuje mikro\u0159adi\u010d ARM Cortex-M4 a kryptografick\u00fd akceler\u00e1tor
\n ARM TrustZone Cryptocell 310. Nordic nRF52840 je prvn\u00ed referen\u010dn\u00ed platforma pro OpenSK. V OpenSK je zaji\u0161t\u011bna podpora kryptografick\u00e9ho akceler\u00e1toru ARM CryptoCell a v\u0161ech typ\u016f p\u0159enosu poskytovan\u00fdch \u010dipem, v\u010detn\u011b USB, NFC a Bluetooth Low Energy. Krom\u011b vyu\u017eit\u00ed kryptografick\u00e9ho akceler\u00e1toru OpenSK tak\u00e9 p\u0159ipravilo samostatn\u00e9 implementace algoritm\u016f ECDSA, ECC secp256r1, HMAC-SHA256 a AES256, napsan\u00e9 v Rustu.<\/p>\n

\"Google<\/a><\/noindex><\/center><\/p>\n

Je t\u0159eba poznamenat, \u017ee OpenSK nen\u00ed prvn\u00ed otev\u0159enou implementac\u00ed firmwaru pro tokeny s podporou FIDO2 a U2F, obdobn\u00e9 firmwary vyv\u00edjej\u00ed otev\u0159en\u00e9 projekty Solo<\/a><\/noindex> a Somu<\/a><\/noindex>. Na rozd\u00edl od zm\u00edn\u011bn\u00fdch projekt\u016f je OpenSK naps\u00e1n nikoli v C, ale v jazyce Rust, co\u017e umo\u017e\u0148uje vyhnout se mnoha zranitelnostem, kter\u00e9 vznikaj\u00ed d\u00edky n\u00edzko\u00farov\u0148ov\u00e9mu manipula\u010dn\u00edmu s pam\u011bt\u00ed, jako je p\u0159\u00edstup k oblasti pam\u011bti po jej\u00edm uvoln\u011bn\u00ed, d dereference nulov\u00fdch ukazatel\u016f a p\u0159ete\u010den\u00ed bufferu. <\/p>\n

Nab\u00edzen\u00fd firmware pro instalaci je zalo\u017een na TockOS<\/a><\/noindex>,
\nopera\u010dn\u00ed syst\u00e9m pro mikrokontrol\u00e9ry na b\u00e1zi Cortex-M a RISC-V, kter\u00fd zaji\u0161\u0165uje sandboxovou izolaci j\u00e1dra, ovlada\u010d\u016f a aplikac\u00ed. OpenSK je uveden jako applet pro TockOS. Krom\u011b OpenSK Google tak\u00e9 p\u0159ipravil pro TockOS optimalizovan\u00e9 pro Flash pam\u011bti (NVMC) \u00falo\u017ei\u0161t\u011b<\/a><\/noindex> a sad z\u00e1plat<\/a><\/noindex>. J\u00e1dro a ovlada\u010de v TockOS, stejn\u011b jako OpenSK, jsou naps\u00e1ny v jazyce Rust.<\/p>\n

\r\n \"P\u0159ehr\u00e1t\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 OpenSK, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0443\u044e \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0438 \u0434\u043b\u044f \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0442\u043e\u043a\u0435\u043d\u043e\u0432, \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430\u043c FIDO U2F \u0438 FIDO2. \u041f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c OpenSK \u0442\u043e\u043a\u0435\u043d\u044b \u043c\u043e\u0433\u0443\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u043e\u0432 \u0434\u043b\u044f \u043f\u0435\u0440\u0432\u0438\u0447\u043d\u043e\u0439 \u0438 \u0434\u0432\u0443\u0445\u0444\u0430\u043a\u0442\u043e\u0440\u043d\u043e\u0439 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u044f \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u041f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. OpenSK \u0434\u0430\u0451\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":40629,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-40628","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Google p\u0159edstavil otev\u0159enou strukturu OpenSK pro vytv\u00e1\u0159en\u00ed kryptografick\u00fdch token\u016f | ProHoster","description":"Spole\u010dnost Google p\u0159edstavila platformu OpenSK, kter\u00e1 umo\u017e\u0148uje vytv\u00e1\u0159et firmware 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