{"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\/pl\/blog\/news\/kompaniya-intel-razvivaet-protokol-httpa-dopolnyayushhij-https","title":{"rendered":"Firma Intel rozwija protok\u00f3\u0142 HTTPA, uzupe\u0142niaj\u0105cy HTTPS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In\u017cynierowie z firmy Intel zaproponowali nowy protok\u00f3\u0142 HTTPA (HTTPS Attestable), kt\u00f3ry rozszerza HTTPS o dodatkowe gwarancje bezpiecze\u0144stwa dla przeprowadzonych oblicze\u0144. HTTPA umo\u017cliwia zapewnienie integralno\u015bci przetwarzania \u017c\u0105dania u\u017cytkownika na serwerze oraz potwierdzenie, \u017ce serwis internetowy zas\u0142uguje na zaufanie, a kod dzia\u0142aj\u0105cy w \u015brodowisku TEE (Trusted Execution Environment) na serwerze nie zosta\u0142 zmieniony w wyniku hakowania lub dywersji administratora.         <\/p>\n<p>HTTPS zabezpiecza przesy\u0142ane dane na etapie ich transmisji przez sie\u0107, ale nie mo\u017ce wykluczy\u0107 naruszenia ich integralno\u015bci w wyniku atak\u00f3w na serwer. Izolowane enclave'y, tworzone z wykorzystaniem technologii takich jak Intel SGX (Software Guard Extension), ARM TrustZone oraz AMD PSP (Platform Security Processor) umo\u017cliwiaj\u0105 ochron\u0119 istotnych oblicze\u0144 i zmniejszenie ryzyka wyciek\u00f3w lub zmiany poufnych informacji na ko\u0144cowym w\u0119\u017ale.     <\/p>\n<p>HTTPA, aby zapewni\u0107 wiarygodno\u015b\u0107 przesy\u0142anych informacji, pozwala na korzystanie z narz\u0119dzi atestuj\u0105cych oferowanych przez Intel SGX, kt\u00f3re potwierdzaj\u0105 autentyczno\u015b\u0107 enclave'u, w kt\u00f3rym dokonano oblicze\u0144. W istocie HTTPA rozszerza HTTPS o mo\u017cliwo\u015b\u0107 zdalnej atestacji enclave'u i pozwala sprawdzi\u0107, czy dzia\u0142a on w autentycznym \u015brodowisku Intel SGX, a serwis internetowy mo\u017cna uzna\u0107 za godny zaufania. Protok\u00f3\u0142 jest rozwijany jako uniwersalny i poza Intel SGX mo\u017ce by\u0107 r\u00f3wnie\u017c wdra\u017cany dla innych system\u00f3w TEE.       <center><img decoding=\"async\" alt=\"Firma Intel rozwija protok\u00f3\u0142 HTTPA, uzupe\u0142niaj\u0105cy HTTPS\" src=\"\/wp-content\/uploads\/2021\/10\/c53a2701095cfb8166a4b25d4f97c772.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>Opr\u00f3cz standardowego procesu instalacji zabezpieczonego po\u0142\u0105czenia dla HTTPS, HTTPA dodatkowo wymaga uzgodnienia zaufanego klucza sesji. Protok\u00f3\u0142 wprowadza nowy metod HTTP \u201eATTEST\u201d, kt\u00f3ry umo\u017cliwia obs\u0142ug\u0119 trzech typ\u00f3w \u017c\u0105da\u0144 i odpowiedzi:   <\/p>\n<ul>\n<li class=\"l\"> \u201epreflight\u201d w celu sprawdzenia, czy zdalna strona obs\u0142uguje attesacj\u0119 enclave;\n<li class=\"l\"> \u201eattest\u201d do uzgodnienia parametr\u00f3w attesacji (wyb\u00f3r algorytmu kryptograficznego, wymiana unikalnych dla sesji losowych sekwencji, generowanie identyfikatora sesji oraz przekazywanie klientowi klucza publicznego enclave);\n<li class=\"l\"> \u201etrusted session\u201d \u2014 generowanie klucza sesji dla zaufanej wymiany informacji. Klucz sesji jest tworzony na podstawie wcze\u015bniej uzgodnionej wst\u0119pnej tajnej sekwencji (pre-session secret), utworzonej przez klienta z u\u017cyciem otrzymanego od <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/server\/dts-los-angeles\/\"   title=\"serwera\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3761\">serwera<\/a> klucza publicznego TEE oraz losowo generowanych przez ka\u017cd\u0105 stron\u0119 sekwencji.  <\/ul>\n<p>    <center><img decoding=\"async\" alt=\"Firma Intel rozwija protok\u00f3\u0142 HTTPA, uzupe\u0142niaj\u0105cy HTTPS\" src=\"\/wp-content\/uploads\/2021\/10\/ea155f297e7858015a5589e5989afe38.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>HTTPA zak\u0142ada, \u017ce klient jest zaufany, a serwer nie, tzn. klient mo\u017ce u\u017cywa\u0107 tego protoko\u0142u do weryfikacji oblicze\u0144 w \u015brodowisku TEE. Przy tym HTTPA nie gwarantuje, \u017ce pozosta\u0142e obliczenia, kt\u00f3re odbywaj\u0105 si\u0119 poza TEE, nie zosta\u0142y skompromitowane, co wymaga zastosowania odr\u0119bnego podej\u015bcia do tworzenia us\u0142ug internetowych. W ten spos\u00f3b, g\u0142\u00f3wnie HTTPA jest ukierunkowane na u\u017cycie ze specjalistycznymi us\u0142ugami, kt\u00f3re maj\u0105 wysokie wymagania dotycz\u0105ce integralno\u015bci informacji, takimi jak systemy finansowe i medyczne. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/server\/\"   title=\"serwera www\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"761\">serwera www<\/a> W sytuacjach, gdy obliczenia w TEE musz\u0105 by\u0107 potwierdzone zar\u00f3wno dla serwera, jak i dla klienta, przewidziano wariant protoko\u0142u mHTTPA (Mutual HTTPA), kt\u00f3ry wykonuje dwustronn\u0105 weryfikacj\u0119. Ten wariant jest bardziej z\u0142o\u017cony z powodu konieczno\u015bci dwustronnego generowania kluczy sesyjnych dla serwera i klienta.    <\/p>\n<p>In\u017cynierowie z firmy Intel zaproponowali nowy protok\u00f3\u0142 HTTPA (HTTPS Attestable), kt\u00f3ry rozszerza HTTPS o dodatkowe gwarancje bezpiecze\u0144stwa przeprowadzonych oblicze\u0144.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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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