{"id":104097,"date":"2022-05-20T15:36:43","date_gmt":"2022-05-20T13:36:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/google-otkryl-narabotki-svyazannye-s-zashhishhyonnym-setevym-protokolom-psp"},"modified":"2022-05-20T15:36:43","modified_gmt":"2022-05-20T13:36:45","slug":"google-otkryl-narabotki-svyazannye-s-zashhishhyonnym-setevym-protokolom-psp","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/google-otkryl-narabotki-svyazannye-s-zashhishhyonnym-setevym-protokolom-psp","title":{"rendered":"Google on avalikustanud t\u00f6\u00f6, mis on seotud turvalise v\u00f5rgu protokolliga PSP","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Google teatas PSP (PSP Security Protocol) protokolli spetsifikatsioonide ja viidatud rakenduse avamisest, mida kasutatakse andmekeskuste vahelise liikluse kr\u00fcpteerimiseks. Protokoll kasutab IP \u00fcle ESP (Encapsulating Security Payloads) liikluse kapseldamise arhitektuuri, tagades kr\u00fcpteerimise, kr\u00fcptograafilise terviklikkuse kontrolli ja allika autentimise. PSP rakenduskood on kirjutatud C keeles ja jaotatakse Apache 2.0 litsentsi alusel.    <\/p>\n<p>PSP erip\u00e4raks on protokolli optimeerimine arvutuste kiirendamiseks ja protsessorikoormuse v\u00e4hendamiseks, suunates kr\u00fcpteerimis- ja dekr\u00fcpteerimistoimingud v\u00f5rkkartide poole (offload). Riistvara kiirenduse rakendamiseks on vajalik spetsiaalsete v\u00f5rgukaartide olemasolu, mis on PSP-ga \u00fchilduvad. S\u00fcsteemides, kus v\u00f5rkkardid ei toeta PSP-d, on pakkuda SoftPSP tarkvaraline rakendus.   <\/p>\n<p>Andmete edastamiseks kasutatakse UDP protokolli. PSP pakett algab IP pealkirjaga, millele j\u00e4rgneb UDP pealkiri ja seej\u00e4rel PSP pealkiri koos kr\u00fcptimise ja autentimise teabega. Seej\u00e4rel kinnitatakse originaalpakkide TCP\/UDP sisu, mis l\u00f5peb PSP l\u00f5ppplokiga koos kontrolldega integriteedi kinnitamiseks. PSP pealkiri, samuti inkapseldatud paketi pealkiri ja andmed on alati autentitud, et kinnitada paketi ehtsust. Inkapseldatud paketi andmed v\u00f5ivad olla kr\u00fcpteeritud, v\u00f5imaldades valikulist kr\u00fcptimise rakendamist, j\u00e4ttes osa TCP pealkirjast avatuks (autentsuse kontrolli s\u00e4ilitamisega), n\u00e4iteks, et v\u00f5imaldada pakettide inspektsiooni \u00fcleminekuv\u00f5rgu seadmetes.    <center><img decoding=\"async\" alt=\"Google on avalikustanud t\u00f6\u00f6, mis on seotud turvalise v\u00f5rgu protokolliga PSP\" src=\"\/wp-content\/uploads\/2022\/05\/5d23ea803e336609bc8056d9f88b2df8.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>        <\/p>\n<p>PSP ei ole seotud konkreetse v\u00f5tmevahetusprotokolliga, vaid pakub mitmeid pakettiformaate ja toetab erinevate kr\u00fcptograafiliste algoritmide kasutamist. N\u00e4iteks pakutakse AES-GCM algoritmi toetamist andmete kr\u00fcpteerimiseks ja autentimiseks ning AES-GMAC algoritmi autentimiseks ilma andmete otsese kr\u00fcpteerimiseta, n\u00e4iteks kui andmed ei ole v\u00e4\u00e4rtuslikud, kuid on vajalik tagada, et need ei oleks edastamise ajal muudetud ja need on just need, mis algselt saadeti.      <\/p>\n<p>Erinevalt t\u00fc\u00fcpilistest <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"211\">VPN<\/a>-protokollidest rakendab PSP kr\u00fcpteerimist \u00fcksikute \u00fchenduste tasemel, mitte kogu suhtluskanali ulatuses, st PSP kasutab erinevate tunnelitavate UDP- ja TCP-\u00fchenduste jaoks eraldi kr\u00fcpteerimisv\u00f5tmeid. Selline l\u00e4henemine v\u00f5imaldab saavutada rangemat liikluse isolatsiooni erinevate rakenduste ja t\u00f6\u00f6tlejate vahel, mis on asjakohane, kui \u00fches <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-newyork\/\"   title=\"serveril\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2710\">serveril<\/a> rakendustes ja teenustes on erinevate kasutajate jaoks.    <\/p>\n<p>Google'is kasutatakse PSP protokolli nii oma siseSuhtluse kaitsmiseks kui ka Google Cloudi klientide liikluse kaitseks. Protokoll on algselt loodud t\u00f5husaks toimimiseks Google'i tasemel infrastruktuurides ning peaks tagama riistvaralise kr\u00fcpteerimise kiirendamise miljonite aktiivsete v\u00f5rguside ja sadade tuhandete uute \u00fchenduste seadistamise sekundai kohta.      <\/p>\n<p>\u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0434\u0432\u0430 \u0440\u0435\u0436\u0438\u043c\u0430 \u0440\u0430\u0431\u043e\u0442\u044b &#8212; &#171;stateful&#187; \u0438 &#171;stateless&#187;. \u0412 \u0440\u0435\u0436\u0438\u043c\u0435 &#171;stateless&#187; \u043a\u043b\u044e\u0447\u0438 \u0434\u043b\u044f \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0435\u0440\u0435\u0434\u0430\u044e\u0442\u0441\u044f \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043a\u0430\u0440\u0442\u0435 \u0432 \u0434\u0435\u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0440\u0435 \u043f\u0430\u043a\u0435\u0442\u0430, \u0430 \u0434\u043b\u044f \u0440\u0430\u0441\u0448\u0438\u0444\u0440\u043e\u0432\u043a\u0438 \u0438\u0437\u0432\u043b\u0435\u043a\u0430\u044e\u0442\u0441\u044f \u0438\u0437 \u043f\u0440\u0438\u0441\u0443\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0435\u0433\u043e \u0432 \u043f\u0430\u043a\u0435\u0442\u0435 \u043f\u043e\u043b\u044f SPI (Security Parameter Index) \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u043c\u0430\u0441\u0442\u0435\u0440-\u043a\u043b\u044e\u0447\u0430 (256-bit AES, \u0445\u0440\u0430\u043d\u0438\u0442\u0441\u044f \u0432 \u043f\u0430\u043c\u044f\u0442\u0438 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043a\u0430\u0440\u0442\u044b \u0438 \u0437\u0430\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043a\u0430\u0436\u0434\u044b\u0435 24 \u0447\u0430\u0441\u0430), \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u044d\u043a\u043e\u043d\u043e\u043c\u0438\u0442\u044c \u043f\u0430\u043c\u044f\u0442\u044c \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043a\u0430\u0440\u0442\u044b \u0438 \u043c\u0438\u043d\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043e \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0438 \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439, \u0445\u0440\u0430\u043d\u0438\u043c\u0443\u044e \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f. \u0412 \u0440\u0435\u0436\u0438\u043c\u0435  &#171;stateful&#187; \u043a\u043b\u044e\u0447\u0438 \u0434\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u0445\u0440\u0430\u043d\u044f\u0442\u0441\u044f \u043d\u0430 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u043a\u0430\u0440\u0442\u0435 \u0432 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0439 \u0442\u0430\u0431\u043b\u0438\u0446\u0435, \u043f\u043e \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0438 \u0442\u0435\u043c \u043a\u0430\u043a \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043e \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0435 \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u0435 \u0432 IPsec.       <center><img decoding=\"async\" alt=\"Google on avalikustanud t\u00f6\u00f6, mis on seotud turvalise v\u00f5rgu protokolliga PSP\" src=\"\/wp-content\/uploads\/2022\/05\/6f8fb33889bd2cd7746511021cb6b899.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>                  <\/p>\n<p>PSP pakub ainulaadset protokollide TLS ja IPsec\/VPN kombinatsiooni. TLS sobis Google'ile \u00fche\u00fchenduse tasandi kaitse poolest, kuid ei pakkunud piisavat paindlikkust riistvaralise kiirenduse jaoks ega toetanud UDP-d. IPsec tagas protokollidest s\u00f5ltumatuse ja pakkus head tuge riistvaraliseks kiirenduseks, kuid ei toetanud v\u00f5tmete sidumist \u00fcksikute \u00fchendustega, oli m\u00f5eldud vaid v\u00e4ikese arvu tunnelite loomiseks ning kohtus probleemidega riistvaralise kiirenduse skaleerimise osas, kuna salajaste olekute t\u00e4ielik salvestamine toimub m\u00e4lu tabelites, mis asuvad v\u00f5rgu adapteris (n\u00e4iteks 10 miljoni \u00fchenduse t\u00f6\u00f6tlemiseks on vajalik 5 GB m\u00e4lu).       <\/p>\n<p>PSP puhul v\u00f5ib kr\u00fcpteerimise staatuse teave (v\u00f5tmed, initsialiseerimise vektorid, j\u00e4rjestuse numbrid jne) edastada paketi TX-deskriptoris v\u00f5i m\u00e4lupunkti viitena, ilma et see v\u00f5taks v\u00f5rkaartide m\u00e4lu. Google'i andmetel kulus varem RPC-liikluse kr\u00fcpteerimisele ettev\u00f5tte infrastruktuuris ligikaudu 0,7% arvutusv\u00f5imsusest ja suures mahus m\u00e4lu. PSP rakendamine riistvara kiirenduse kaasamise kaudu v\u00f5imaldas seda n\u00e4itajat v\u00e4hendada 0,2%ni.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57220\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439 \u0438 \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 PSP (PSP Security Protocol), \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0434\u043b\u044f \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0440\u0430\u0444\u0438\u043a\u0430 \u043c\u0435\u0436\u0434\u0443 \u0434\u0430\u0442\u0430\u0446\u0435\u043d\u0442\u0440\u0430\u043c\u0438. \u041f\u0440\u043e\u0442\u043e\u043a\u043e\u043b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043f\u043e\u0445\u043e\u0436\u0443\u044e \u043d\u0430 IPsec ESP (Encapsulating Security Payloads) \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0443 \u0438\u043d\u043a\u0430\u043f\u0441\u0443\u043b\u044f\u0446\u0438\u0438 \u0442\u0440\u0430\u0444\u0438\u043a\u0430 \u043f\u043e\u0432\u0435\u0440\u0445 IP, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044f \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u0435, \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u0446\u0435\u043b\u043e\u0441\u0442\u043d\u043e\u0441\u0442\u0438 \u0438 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044e \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0430. \u041a\u043e\u0434 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 PSP \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 Apache 2.0. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":104098,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e\u0431 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0439 \u0438 \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 PSP (PSP Security Protocol), 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