{"id":101817,"date":"2021-10-27T16:23:35","date_gmt":"2021-10-27T14:23:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kompaniya-intel-razvivaet-protokol-httpa-dopolnyayushhij-https"},"modified":"2021-10-27T16:23:35","modified_gmt":"2021-10-27T14:23:37","slug":"kompaniya-intel-razvivaet-protokol-httpa-dopolnyayushhij-https","status":"publish","type":"post","link":"https:\/\/prohoster.info\/no\/blog\/news\/kompaniya-intel-razvivaet-protokol-httpa-dopolnyayushhij-https","title":{"rendered":"Intel utvikler protokollen HTTPA, som supplerer HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ingeni\u00f8rar fr\u00e5 Intel har foresl\u00e5tt ein ny protokoll, HTTPA (HTTPS Attestable), som utvidar HTTPS med ekstra sikkerheitsgarantiar for utf\u00f8rte berekningar. HTTPA garanterer integriteten til behandlinga av brukarforespurnaden p\u00e5 serveren og bekreftar at nettjenesten er p\u00e5liteleg og at koden som kj\u00f8rer i TEE-milj\u00f8et (Trusted Execution Environment) p\u00e5 serveren ikkje har blitt endra som eit resultat av hacking eller administratorens sanksjonerte handlingar.         <\/p>\n<p>HTTPS beskytter data som blir overf\u00f8rt i nettverket, men kan ikkje utelukke at integriteten deira kan bli broten gjennom serverangrep. Isolerte enclaver, oppretta ved hjelp av teknologiar som Intel SGX (Software Guard Extension), ARM TrustZone og AMD PSP (Platform Security Processor), gir moglegheit for \u00e5 beskytte viktige berekningar og redusere risikoen for lekkasje eller endring av konfidensiell informasjon p\u00e5 sluttpunktet.     <\/p>\n<p>HTTPA, for \u00e5 garantere ektheita av overf\u00f8rte opplysningar, lar bruka dei attestasjonsverkt\u00f8y som Intel SGX tilbyr, som stadfestar ektheita til enclaven der berekningane er gjennomf\u00f8rt. I hovudsak utvidar HTTPA HTTPS med moglegheita for fjernattestasjon av enclaver, og gjer det mogleg \u00e5 kontrollere at den blir utf\u00f8rt i eit ekte Intel SGX-milj\u00f8, slik at nettjenesta er p\u00e5liteleg. Protokollen blir utvikla som ein universell standard og kan i tillegg til Intel SGX ogs\u00e5 implementerast for andre TEE-system.       <center><img decoding=\"async\" alt=\"Intel utvikler protokollen HTTPA, som supplerer HTTPS\" src=\"\/wp-content\/uploads\/2021\/10\/c53a2701095cfb8166a4b25d4f97c772.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>I tillegg til standard prosedyren for HTTPS-installering av en sikker tilkobling, krever HTTPA ytterligere samordning av en p\u00e5litelig sesjonsn\u00f8kkel. Protokollen innf\u00f8rer en ny HTTP-metode &#171;ATTEST&#187;, som tillater behandling av tre typer foresp\u00f8rsel og svar:   <\/p>\n<ul>\n<li class=\"l\"> &#171;preflight&#187; for \u00e5 sjekke om den eksterne parten st\u00f8tter attestasjonsprosedyrer;\n<li class=\"l\"> &#171;attest&#187; for \u00e5 samordne attestasjonsparametere (valg av kryptografisk algoritme, utveksling av unike sesongbaserte tilfeldige sekvenser, generering av sesjonsidentifikator og overf\u00f8ring av den offentlig n\u00f8kkelen til klienten);\n<li class=\"l\"> &#171;trusted session&#187; &#8212; etablering av en sesjonsn\u00f8kkel for trygg informasjonsutveksling. Sesjonsn\u00f8kkelen dannes basert p\u00e5 den tidligere avtalte forel\u00f8pige hemmelige sekvensen (pre-session secret), dannet av klienten ved bruk av mottatt fra <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/no\/server\/dts-los-angeles\/\"   title=\"serveren\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3761\">serveren<\/a> \u00e5pen n\u00f8kkel TEE, og tilfeldige sekvenser generert av hver part.  <\/ul>\n<p>    <center><img decoding=\"async\" alt=\"Intel utvikler protokollen HTTPA, som supplerer HTTPS\" src=\"\/wp-content\/uploads\/2021\/10\/ea155f297e7858015a5589e5989afe38.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>HTTPA inneb\u00e6rer at klienten er p\u00e5litelig, mens serveren ikke er det, alts\u00e5 kan klienten bruke denne protokollen til \u00e5 verifisere beregninger i TEE-milj\u00f8et. Samtidig garanterer ikke HTTPA at de andre beregningene, utf\u00f8rt utenom TEE, ikke er blitt kompromittert, noe som krever en separat tiln\u00e6rming til utvikling av webtjenester. Dermed er HTTPA hovedsakelig rettet mot bruk med spesialiserte tjenester, som stiller h\u00f8yere krav til informasjonsintegritet, som finansielle og medisinske systemer. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/no\/server\/\"   title=\"web-servere\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"761\">web-servere<\/a> For situasjoner der beregninger i TEE m\u00e5 bekreftes b\u00e5de for serveren og klienten, finnes en variant av protokollen mHTTPA (Mutual HTTPA), som utf\u00f8rer toveis verifisering. Denne varianten er mer komplisert p\u00e5 grunn av behovet for toveis oppretting av sesjonsn\u00f8kler for serveren og klienten.    <\/p>\n<p>X.Org Server 21.1 er tilgjengelig<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56050\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0418\u043d\u0436\u0435\u043d\u0435\u0440\u044b \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Intel \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b\u0438 \u043d\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b HTTPA (HTTPS Attestable), \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u044e\u0449\u0438\u0439 HTTPS \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c\u0438 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u044f\u043c\u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0451\u043d\u043d\u044b\u0445 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439. HTTPA \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0438 \u0443\u0431\u0435\u0434\u0438\u0442\u044c\u0441\u044f \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e web-\u0441\u0435\u0440\u0432\u0438\u0441 \u0437\u0430\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u0435\u0442 \u0434\u043e\u0432\u0435\u0440\u0438\u044f \u0438 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0439 \u0432 TEE-\u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438 (Trusted Execution Environment) \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u043a\u043e\u0434 \u043d\u0435 \u0431\u044b\u043b \u0438\u0437\u043c\u0435\u043d\u0451\u043d \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u0432\u0437\u043b\u043e\u043c\u0430 \u0438\u043b\u0438 \u0434\u0438\u0432\u0435\u0440\u0441\u0438\u0438 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430. HTTPS \u0437\u0430\u0449\u0438\u0449\u0430\u0435\u0442 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":101818,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-101817","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0418\u043d\u0436\u0435\u043d\u0435\u0440\u044b \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Intel \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b\u0438 \u043d\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b HTTPA (HTTPS Attestable), \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u044e\u0449\u0438\u0439 HTTPS 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