{"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\/sl\/blog\/news\/kompaniya-intel-razvivaet-protokol-httpa-dopolnyayushhij-https","title":{"rendered":"Podjetje Intel razvija protokol HTTPA, ki dopolnjuje HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In\u017eenirji podjetja Intel so predlagali nov protokol HTTPA (HTTPS Attestable), ki raz\u0161irja HTTPS z dodatnimi varnostnimi jamstvi za opravljene izra\u010dune. HTTPA zagotavlja celovitost obdelave uporabni\u0161kega zahtevka na stre\u017eniku in potrjuje, da je spletna storitev zaupanja vredna ter da je koda, ki deluje v okolju TEE (Trusted Execution Environment), na stre\u017eniku ni bila spremenjena zaradi hekerskega napada ali sabota\u017ee administratorja.         <\/p>\n<p>HTTPS \u0161\u010diti prenesene podatke v fazi prenosa po omre\u017eju, vendar ne more izklju\u010diti kr\u0161itve njihove celovitosti zaradi napadov na stre\u017enik. Izolirani enklaavi, ki jih ustvarjajo tehnologije, kot so Intel SGX (Software Guard Extension), ARM TrustZone in AMD PSP (Platform Security Processor), omogo\u010dajo za\u0161\u010dito pomembnih izra\u010dunov ter zmanj\u0161ujejo tveganje uhajanja ali spreminjanja zaupnih informacij na kon\u010dnem vozli\u0161\u010du.     <\/p>\n<p>HTTPA za zagotavljanje verodostojnosti prenesenih informacij omogo\u010da uporabo sredstev za overjanje, ki jih zagotavlja Intel SGX, in potrjuje avtenti\u010dnost enklaava, v katerem so bili opravljeni izra\u010duni. V bistvu HTTPA raz\u0161irja HTTPS z mo\u017enostjo oddaljenega overjanja enklaava in omogo\u010da preverjanje, da se ta izvaja v pristnem okolju Intel SGX, kar pomeni, da lahko zaupamo spletni storitvi. Protokol se od za\u010detka razvija kot univerzalen in poleg Intel SGX ga je mogo\u010de implementirati tudi za druge TEE sisteme.       <center><img decoding=\"async\" alt=\"Podjetje Intel razvija protokol HTTPA, ki dopolnjuje HTTPS\" src=\"\/wp-content\/uploads\/2021\/10\/c53a2701095cfb8166a4b25d4f97c772.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>Poleg standardnega procesa vzpostavljanja za\u0161\u010ditene povezave s HTTPS, HTTPA dodatno zahteva usklajevanje zaupanja vrednega sej\u0161nega klju\u010da. Protokol uvaja nov HTTP metoda \u00bbATTEST\u00ab, ki omogo\u010da obdelavo treh vrst zahtev in odgovorov:   <\/p>\n<ul>\n<li class=\"l\"> \u00bbpreflight\u00ab za preverjanje, ali oddaljena stran podpira overjanje enklav;\n<li class=\"l\"> \u00bbattest\u00ab za usklajevanje parametrov overjanja (izbira kriptografskega algoritma, izmenjava edinstvenih sej\u0161nih naklju\u010dnih zaporedij, generiranje identifikatorja seje in prenos javnega klju\u010da enklave stranki);\n<li class=\"l\"> \u00bbtrusted session\u00ab \u2014 oblikovanje sej\u0161nega klju\u010da za zaupno izmenjavo informacij. Sej\u0161ni klju\u010d se oblikuje na podlagi prej usklajene predhodne skrivne zaporedja (pre-session secret), ki jo oblikuje stranka z uporabo prejetega od <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/server\/dts-los-angeles\/\"   title=\"stre\u017enika\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3761\">stre\u017enika<\/a> javnega klju\u010da TEE in naklju\u010dnih zaporedij, ki jih ustvari vsaka stran.  <\/ul>\n<p>    <center><img decoding=\"async\" alt=\"Podjetje Intel razvija protokol HTTPA, ki dopolnjuje HTTPS\" src=\"\/wp-content\/uploads\/2021\/10\/ea155f297e7858015a5589e5989afe38.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>HTTPA pomeni, da je stranka zaupanja vredna, medtem ko stre\u017enik ni, tj. stranka lahko uporablja ta protokol za preverjanje izra\u010dunov v TEE okolju. V tem primeru HTTPA ne zagotavlja, da ostali izra\u010duni, izvedeni izven TEE, niso bili ogro\u017eeni, kar zahteva uporabo posebnega pristopa k razvoju spletnih storitev. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/server\/\"   title=\"spletnega stre\u017enika\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"761\">spletnega stre\u017enika<\/a> Tako je HTTPA predvsem usmerjen v uporabo s specializiranimi storitvami, ki imajo vi\u0161je zahteve glede celovitosti informacij, kot so finan\u010dni in zdravstveni sistemi.    <\/p>\n<p>Za situacije, ko morajo biti izra\u010duni v TEE potrjeni za stre\u017enik in stranko, je predvidena razli\u010dica protokola mHTTPA (Mutual HTTPA), ki izvaja dvostransko preverjanje. Ta razli\u010dica je bolj zapletena zaradi potrebe po dvostranskem oblikovanju se\u0161njevnih klju\u010dev za stre\u017enik in stranko.<br \/>\n<br \/>Izvor: <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 5.0.4 - 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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