{"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\/sv\/blog\/news\/kompaniya-intel-razvivaet-protokol-httpa-dopolnyayushhij-https","title":{"rendered":"F\u00f6retaget Intel utvecklar protokollet HTTPA, som kompletterar HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ingenj\u00f6rer fr\u00e5n Intel har f\u00f6reslagit ett nytt protokoll HTTPA (HTTPS Attestable), som ut\u00f6kar HTTPS med ytterligare s\u00e4kerhetsgarantier f\u00f6r de ber\u00e4kningar som g\u00f6rs. HTTPA garanterar integriteten av anv\u00e4ndarens f\u00f6rfr\u00e5gan p\u00e5 servern och s\u00e4kerst\u00e4ller att webbservicen \u00e4r p\u00e5litlig och att koden som k\u00f6rs i TEE-milj\u00f6n (Trusted Execution Environment) p\u00e5 servern inte har \u00e4ndrats som ett resultat av intr\u00e5ng eller sabotage av administrat\u00f6r.         <\/p>\n<p>HTTPS skyddar data som \u00f6verf\u00f6rs under \u00f6verf\u00f6ringen \u00f6ver n\u00e4tverket, men kan inte utesluta att deras integritet bryts p\u00e5 grund av attacker mot servern. Isolerade enklaver, skapade med teknologier som Intel SGX (Software Guard Extension), ARM TrustZone och AMD PSP (Platform Security Processor), m\u00f6jligg\u00f6r skydd av viktiga ber\u00e4kningar och minskar risken f\u00f6r l\u00e4ckage eller f\u00f6r\u00e4ndring av konfidentiell information p\u00e5 slutpunkten.     <\/p>\n<p>HTTPA f\u00f6r att garantera \u00e4ktheten av den \u00f6verf\u00f6rda informationen till\u00e5ter anv\u00e4ndning av de autentiseringsresurser som tillhandah\u00e5lls av Intel SGX, som bekr\u00e4ftar \u00e4ktheten av enklaven d\u00e4r ber\u00e4kningarna utf\u00f6rs. Faktum \u00e4r att HTTPA ut\u00f6kar HTTPS med m\u00f6jligheten till fj\u00e4rrautentisering av enklaven och m\u00f6jligg\u00f6r verifiering av att den k\u00f6rs i en \u00e4kta Intel SGX-milj\u00f6 och att webbservicen \u00e4r p\u00e5litlig. Protokollet utvecklas fr\u00e5n b\u00f6rjan som universellt och kan, f\u00f6rutom Intel SGX, ocks\u00e5 implementeras f\u00f6r andra TEE-system.       <center><img decoding=\"async\" alt=\"F\u00f6retaget Intel utvecklar protokollet HTTPA, som kompletterar HTTPS\" src=\"\/wp-content\/uploads\/2021\/10\/c53a2701095cfb8166a4b25d4f97c772.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>F\u00f6rutom den normala HTTPS-processen f\u00f6r att uppr\u00e4tta en s\u00e4ker anslutning kr\u00e4ver HTTPA dessutom samordning av en betrodd sessionnyckel. Protokollet introducerar en ny HTTP-metod &#171;ATTEST&#187; som m\u00f6jligg\u00f6r hantering av tre typer av f\u00f6rfr\u00e5gningar och svar:   <\/p>\n<ul>\n<li class=\"l\"> &#171;preflight&#187; f\u00f6r att kontrollera om den fj\u00e4rranslutna parten st\u00f6der attestering av enclaves;\n<li class=\"l\"> &#171;attest&#187; f\u00f6r samordning av attesteringsparametrar (val av kryptografisk algoritm, utbyte av sessionsunika slumpm\u00e4ssiga sekvenser, generering av sessionsidentifierare och \u00f6verf\u00f6ring av en \u00f6ppen nyckel f\u00f6r en enclave till klienten);\n<li class=\"l\"> &#171;trusted session&#187; &#8212; skapande av en sessionnyckel f\u00f6r betrodd informationsutbyte. Sessionnyckeln skapas baserat p\u00e5 en tidigare \u00f6verenskommen prelimin\u00e4r hemlig sekvens (pre-session secret), som skapats av klienten med hj\u00e4lp av den mottagna <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/server\/dts-los-angeles\/\"   title=\"servern\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3761\">servern<\/a> \u00f6ppna nyckeln TEE och de slumpm\u00e4ssigt genererade sekvenserna fr\u00e5n varje part.  <\/ul>\n<p>    <center><img decoding=\"async\" alt=\"F\u00f6retaget Intel utvecklar protokollet HTTPA, som kompletterar HTTPS\" src=\"\/wp-content\/uploads\/2021\/10\/ea155f297e7858015a5589e5989afe38.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>HTTPA inneb\u00e4r att klienten \u00e4r p\u00e5litlig, medan servern inte \u00e4r, dvs. klienten kan anv\u00e4nda denna protokoll f\u00f6r att verifiera ber\u00e4kningar i TEE-milj\u00f6n. Samtidigt garanterar HTTPA inte att de ber\u00e4kningar som g\u00f6rs utanf\u00f6r TEE inte har komprometterats, vilket kr\u00e4ver en separat strategi f\u00f6r utvecklingen av webbtj\u00e4nster. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/server\/\"   title=\"webbserver.\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"761\">webbserver.<\/a> S\u00e5ledes \u00e4r HTTPA huvudsakligen inriktad p\u00e5 anv\u00e4ndning med specialiserade tj\u00e4nster som har h\u00f6gre krav p\u00e5 informationsintegritet, s\u00e5som finansiella och medicinska system.    <\/p>\n<p>F\u00f6r situationer d\u00e4r ber\u00e4kningarna i TEE m\u00e5ste bekr\u00e4ftas b\u00e5de f\u00f6r servern och klienten, finns det en version av mHTTPA-protokollet (Mutual HTTPA) som utf\u00f6r \u00f6msesidig verifiering. Denna version \u00e4r mer komplicerad p\u00e5 grund av behovet av \u00f6msesidig generering av sessionsnycklar f\u00f6r server och klient.<br \/>\n<br \/>K\u00e4lla: <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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