{"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\/da\/blog\/news\/mozilla-predstavila-vozmozhnost-ispolzovaniya-webassembly-vne-brauzera","title":{"rendered":"Mozilla har pr\u00e6senteret muligheden for at bruge WebAssembly uden for browseren","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Specialister fra Mozilla har pr\u00e6senteret projektet WASI (WebAssembly System Interface), der omfatter udvikling af API'er til at skabe almindelige applikationer, der k\u00f8rer uden for browseren. Dette handler oprindeligt om tv\u00e6rplatformskompatibilitet og et h\u00f8jt sikkerhedsniveau for disse applikationer.<\/p>\n

\"Mozilla<\/p>\n

Som n\u00e6vnt k\u00f8rer de i en s\u00e6rlig \"sandkasse\" og har adgang til filer, filsystemet, netv\u00e6rkssockets, timers osv. Programmet kan dog kun udf\u00f8re foruddefinerede handlinger.<\/p>\n

I betragtning af, at pseudokoden for WebAssembly er en platformuafh\u00e6ngig variant af assembler-sproget, vil brugen af JIT give mulighed for h\u00f8j ydeevne af koden, p\u00e5 niveau med native applikationer. I \u00f8jeblikket er der en implementering af grundl\u00e6ggende POSIX API'er (filer, sockets osv.), men der er endnu ikke support for l\u00e5sning og asynkron input\/output. I fremtiden forventes moduler til kryptografi, 3D-grafik, sensorer og multimedia.<\/p>\n

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

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

Det skal ogs\u00e5 bem\u00e6rkes, at projektet Fastly har pr\u00e6senteret compileren Lucet til WebAssembly-applikationer. Den tillader sikkert at k\u00f8re tredjepartsprogrammer p\u00e5 WebAssembly inden for andre applikationer, for eksempel til plugins. Selve compileren er skrevet i Rust, og den underst\u00f8tter kode i C, Rust og TypeScript.<\/p>\n

Selvf\u00f8lgelig er der stadig mange sp\u00f8rgsm\u00e5l til sikkerheden ved denne tilgang. Udf\u00f8relsen af kode i \"sandkassen\" kombineres p\u00e5 en m\u00e6rkelig m\u00e5de med adgangen til systemets hovedfunktioner, s\u00e5 dette sp\u00f8rgsm\u00e5l har stadig brug for afklaring. Desuden er det uklart, hvilke specifikke programmer der skal k\u00f8re i denne tilstand, og hvordan deres adf\u00e6rd vil blive overv\u00e5get.<\/p>\n

<\/p>\n

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

\t\t\t\t


\n\t\t\t\t\t\t\t\t<\/center>
\n
Kilde: 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, 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