{"id":30646,"date":"2019-10-31T21:36:42","date_gmt":"2019-10-31T18:36:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/mozilla-predstavila-vozmozhnost-ispolzovaniya-webassembly-vne-brauzera\/"},"modified":"2019-10-31T21:36:42","modified_gmt":"2019-10-31T18:36:42","slug":"mozilla-predstavila-vozmozhnost-ispolzovaniya-webassembly-vne-brauzera","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/mozilla-predstavila-vozmozhnost-ispolzovaniya-webassembly-vne-brauzera","title":{"rendered":"Mozilla ha introdotto la possibilit\u00e0 di utilizzare WebAssembly al di fuori del browser.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Gli esperti di Mozilla hanno presentato il progetto WASI (WebAssembly System Interface), che prevede lo sviluppo di API per la creazione di applicazioni comuni eseguite al di fuori del browser. Si parla inizialmente di interoperabilit\u00e0 e di un alto livello di sicurezza per queste applicazioni.<\/p>\n

\"Mozilla<\/p>\n

Come si osserva, vengono eseguiti in una speciale \"sandbox\" e hanno accesso a file, file system, socket di rete, timer e cos\u00ec via. Tuttavia, il programma pu\u00f2 eseguire solo azioni chiaramente consentite.<\/p>\n

Considerando che il pseudocodice WebAssembly \u00e8 una variante indipendente dalla piattaforma del linguaggio Assembler, l'uso del JIT permette di ottenere elevate prestazioni del codice, equiparabili a quelle delle applicazioni native. Attualmente \u00e8 stata presentata un'implementazione delle API POSIX di base (file, socket, ecc.), ma manca ancora il supporto per le operazioni di lock e per l'input\/output asincrono. In futuro si prevede l'arrivo di moduli per la crittografia, la grafica 3D, i sensori e il multimedia.<\/p>\n

<\/center><\/p>\n

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

Inoltre, \u00e8 importante notare che il progetto Fastly ha presentato il compilatore Lucet per le applicazioni WebAssembly. Questo compilatore consente l'esecuzione sicura di programmi esterni in WebAssembly all'interno di altre applicazioni, ad esempio, \u00e8 adatto per i plugin. Il compilatore stesso \u00e8 scritto in Rust e supporta codice in C, Rust e TypeScript.<\/p>\n

Naturalmente, rimangono ancora molte domande sulla sicurezza di questo approccio. L'esecuzione del codice in \"sandbox\" combina in modo piuttosto strano l'accesso alle funzioni del sistema principale, quindi questa questione necessita ancora di chiarimenti. Inoltre, non \u00e8 chiaro quali programmi debbano operare in questo modo e come sar\u00e0 necessario monitorare il loro comportamento.<\/p>\n

<\/p>\n

<\/center><\/p>\n

\t\t\t\t


\n\t\t\t\t\t\t\t\t<\/center>
\n
Fonte: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0421\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442\u044b \u0438\u0437 Mozilla \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0438 \u043f\u0440\u043e\u0435\u043a\u0442 WASI (WebAssembly System Interface), \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0434\u0440\u0430\u0437\u0443\u043c\u0435\u0432\u0430\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 API \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043e\u0431\u044b\u0447\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0445 \u0432\u043d\u0435 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u0440\u0435\u0447\u044c \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u0438\u0434\u0451\u0442 \u043e \u043a\u0440\u043e\u0441\u0441\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u0438 \u0432\u044b\u0441\u043e\u043a\u043e\u043c \u0443\u0440\u043e\u0432\u043d\u0435 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0442\u0430\u043a\u0438\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. \u041a\u0430\u043a \u043e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, \u043e\u043d\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u044e\u0442\u0441\u044f \u0432 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439 «\u043f\u0435\u0441\u043e\u0447\u043d\u0438\u0446\u0435» \u0438 \u0438\u043c\u0435\u044e\u0442 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0444\u0430\u0439\u043b\u0430\u043c, \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0441\u0435\u0442\u0435\u0432\u044b\u043c \u0441\u043e\u043a\u0435\u0442\u0430\u043c, \u0442\u0430\u0439\u043c\u0435\u0440\u0430\u043c \u0438 \u0442\u0430\u043a \u0434\u0430\u043b\u0435\u0435. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22636,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-30646","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"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\udd47Mozilla ha presentato la possibilit\u00e0 di utilizzare WebAssembly al di fuori del browser | ProHoster","description":"Gli esperti di Mozilla hanno presentato il progetto WASI (WebAssembly System Interface), che prevede lo sviluppo di API per la creazione di applicazioni comuni eseguite al di fuori del browser. Si parla inizialmente di interoperabilit\u00e0 e di un alto livello di sicurezza per queste applicazioni. Come viene notato, queste applicazioni vengono eseguite in un'apposita \"sandbox\" e hanno accesso a file, al file system, ai socket di rete, ai timer e cos\u00ec via. 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