{"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\/it\/blog\/google-predstavil-otkrytyj-stek-opensk-dlya-sozdaniya-kriptograficheskih-tokenov","title":{"rendered":"Google ha presentato lo stack open source OpenSK per la creazione di token crittografici","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Google ha presentato<\/a><\/noindex> la piattaforma OpenSK permette di creare firmware per token crittografici completamente conformi agli standard FIDO U2F<\/a><\/noindex> e FIDO2<\/a><\/noindex>. I token preparati utilizzando OpenSK possono essere utilizzati come autenticatori per l'autenticazione primaria e a due fattori, nonch\u00e9 per confermare la presenza fisica dell'utente. Il progetto \u00e8 scritto in Rust e distribuito<\/a><\/noindex> sotto licenza Apache 2.0.<\/p>\n

OpenSK consente di creare un proprio token per l'autenticazione a due fattori sui siti, che, a differenza delle soluzioni pronte realizzate da produttori come Yubico, Feitian, Thetis e Kensington, \u00e8 costruito su firmware completamente aperto, disponibile per l'estensione e la revisione. OpenSK si presenta come una piattaforma di ricerca che produttori di token e appassionati possono utilizzare per sviluppare nuove funzionalit\u00e0 e promuovere i token di massa. Inizialmente, il codice OpenSK \u00e8 stato sviluppato come applicazione per Tock OS<\/a><\/noindex> ed \u00e8 stato testato su schede Nordic nRF52840-DK e Nordic nRF52840-dongle. <\/p>\n

Oltre al software, il progetto include sono forniti<\/a><\/noindex> modelli per la stampa 3D del case USB key basato sul popolare chip Nordic nRF52840<\/a><\/noindex>, che include un microcontrollore ARM Cortex-M4 e un acceleratore crittografico
\n ARM TrustZone Cryptocell 310. Nordic nRF52840 \u00e8 la prima piattaforma di riferimento per OpenSK. In OpenSK \u00e8 garantito il supporto per l'acceleratore crittografico ARM CryptoCell e per tutti i tipi di trasporto forniti dal chip, inclusi USB, NFC e Bluetooth Low Energy. Oltre a impegnare l'acceleratore crittografico, in OpenSK sono state fornite anche implementazioni separate degli algoritmi ECDSA, ECC secp256r1, HMAC-SHA256 e AES256, scritte in Rust.<\/p>\n

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

\u00c8 importante notare che OpenSK non \u00e8 il primo firmware open source per token con supporto FIDO2 e U2F; firmware analoghi sono in sviluppo in progetti open source Solo<\/a><\/noindex> e Somu<\/a><\/noindex>. Rispetto ai progetti menzionati, OpenSK \u00e8 scritto non in C, ma in Rust, consentendo di evitare molte vulnerabilit\u00e0 che sorgono a causa del lavoro a basso livello con la memoria, come l'accesso alla memoria dopo il suo rilascio, il dereferenziazione di puntatori nulli e l'overflow del buffer. <\/p>\n

Il firmware proposto per l'installazione si basa su TockOS<\/a><\/noindex>,
\n, un sistema operativo per microcontrollori basato su Cortex-M e RISC-V, che fornisce isolamento sandbox per il kernel, i driver e le applicazioni. OpenSK \u00e8 progettato come un applet per TockOS. Oltre a OpenSK, Google ha anche preparato per TockOS un'ottimizzazione per memorie Flash (NVMC) archiviazione<\/a><\/noindex> e un set patch<\/a><\/noindex>. Il kernel e i driver in TockOS, come OpenSK, sono scritti in Rust.<\/p>\n

\r\n \"Riproduci\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

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

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

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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\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 ha presentato il stack aperto OpenSK per la creazione di token crittografici | ProHoster","description":"Google ha presentato la piattaforma OpenSK, che consente di creare firmware 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