{"id":110319,"date":"2023-09-25T14:03:21","date_gmt":"2023-09-25T12:03:21","guid":{"rendered":"https:\/\/prohoster.info\/?p=110319"},"modified":"2023-09-25T14:03:21","modified_gmt":"2023-09-25T12:03:21","slug":"opublikovana-p2p-platforma-gnunet-0-20","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/opublikovana-p2p-platforma-gnunet-0-20","title":{"rendered":"GNUnet 0.20 er blevet offentliggjort","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Udgivelsen af GNUnet 0.20-rammen er pr\u00e6senteret, som er designet til at opbygge sikre, decentraliserede P2P-netv\u00e6rk. Netv\u00e6rk, der oprettes med GNUnet, har ikke noget enkelt fejlpunkts, og de kan garantere brugernes privatliv, herunder at forhindre eventuelle misbrug fra efterretningstjenester og administratorer, der har adgang til netv\u00e6rksnoder.       <\/p>\n<p>GNUnet underst\u00f8tter oprettelse af P2P-netv\u00e6rk oven p\u00e5 TCP, UDP, HTTP\/HTTPS, Bluetooth og WLAN, og det kan arbejde i F2F (Friend-to-friend) tilstand. NAT-omg\u00e5else underst\u00f8ttes, herunder ved brug af UPnP og ICMP. Til adressering af dataplacering kan der anvendes en distribueret hash-tabel (DHT). Der tilbydes v\u00e6rkt\u00f8jer til implementering af mesh-netv\u00e6rk. For selektivt at give og tilbagekalde adgangsrettigheder anvendes en tjeneste til decentraliseret identitetsattributudveksling, reclaimID, som bruger GNS (GNU Name System) og attributbaseret kryptering (Attribute-Based Encryption).    <\/p>\n<p>Systemet skelner sig ved lavt ressourceforbrug og brugen af en flerprocess-arkitektur for at sikre isolation mellem komponenterne. Der tilbydes fleksible v\u00e6rkt\u00f8jer til logning og indsamling af statistik. Til udvikling af sluttakappter giver GNUnet API til C og bindings til andre programmeringssprog. For at forenkle udviklingen anbefales brug af begivenhedsl\u00f8kker (event loop) i stedet for tr\u00e5de og processer. Inkluderet er et testbibliotek til automatisk udrulning af eksperimentelle netv\u00e6rk, som d\u00e6kker titusinder af peers.         <\/p>\n<p>Der udvikles flere f\u00e6rdige applikationer baseret p\u00e5 GNUnet-teknologier:   <\/p>\n<ul>\n<li class=\"l\"> GNS-systemet (GNU Name System) fungerer som et fuldt decentraliseret og censurfrit alternativ til DNS. GNS kan bruges sidel\u00f8bende med DNS og anvendes i traditionelle applikationer som web-browsere. I mods\u00e6tning til DNS anvender GNS en rettet graf i stedet for en tr\u00e6struktur for servere. Navne\u00e6ndringer ligner dem fra DNS, men foresp\u00f8rgsler og svar udf\u00f8res med beskyttelse af privatlivets fred \u2014 den behandleran node ved ikke, hvem svaret gives til, og transitnoder samt tredjepartsobservat\u00f8rer kan ikke dekryptere foresp\u00f8rgsler og svar. Integriteten og uforanderligheden af optegnelser sikres gennem brug af kryptografiske mekanismer. DNS-zonen i GNS defineres ved hj\u00e6lp af et s\u00e6t best\u00e5ende af en offentlig og en privat n\u00f8gle ECDSA baseret p\u00e5 elliptiske kurver Curve25519.                   <\/li>\n<li class=\"l\"> En tjeneste til anonym filudveksling, der ikke tillader analyse af oplysninger ved kun at overf\u00f8re data i krypteret form og ikke g\u00f8r det muligt at spore, hvem der har uploadet, s\u00f8gt og downloadet filer, takket v\u00e6re brugen af GAP-protokollen.                 <\/li>\n<li class=\"l\"> System <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"170\">VPN<\/a> til oprettelse af skjulte tjenester i dom\u00e6net \u00ab.gnu\u00bb og tunneling af IPv4 og IPv6 over et P2P-netv\u00e6rk. Der underst\u00f8ttes desuden konverteringsskemaer fra IPv4 til IPv6 og fra IPv6 til IPv4 samt oprettelse af tunneler fra IPv4 over IPv6 og fra IPv6 over IPv4.      <\/li>\n<li class=\"l\"> GNUnet Conversation-tjenesten til foretagelse af telefonopkald over GNUnet. GNS anvendes til identifikation af brugere, og indholdet af stemmetrafikken sendes i krypteret form. Anonymitet tilbydes dog ikke endnu \u2014 andre noder kan spore forbindelsen mellem to brugere og identificere dem. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/lir\/ipv4\/\"   title=\"IP-adresser\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"684\">IP-adresser<\/a>.  <\/li>\n<li class=\"l\"> Platformen til opbygning af decentrale sociale netv\u00e6rk Secushare, der bruger PSYC-protokollen og underst\u00f8tter distribution af meddelelser i multicast-tilstand med end-to-end kryptering, s\u00e5 kun autoriserede brugere (dem, som meddelelserne er adresseret til, inklusive nodeadministratorer, kan l\u00e6se dem) har adgang til meddelelser, filer, chats og diskussioner.    <\/li>\n<li class=\"l\"> Systemet til organisering af krypteret e-mail, pretty Easy privacy, der anvender GNUnet til at beskytte metadata og underst\u00f8tter forskellige kryptografiske protokoller til verifikation af n\u00f8gler;    <\/li>\n<li class=\"l\"> Betalingssystemet GNU Taler, der giver anonymitet for k\u00f8bere, men sporer s\u00e6lgernes transaktioner for at sikre gennemsigtighed og give skatteopg\u00f8relser. Det underst\u00f8tter samarbejde med forskellige eksisterende valutaer og elektroniske penge, herunder dollars, euro og bitcoins.\n<li class=\"l\"> Tjenesten GNUnet Messenger til at oprette sikre chatapplikationer. For at sikre fortrolighed og beskytte mod aflytning anvendes CADET-protokollen (Confidential Ad-hoc Decentralized End-to-End Transport), som muligg\u00f8r helt decentraliseret interaktion mellem en gruppe brugere ved hj\u00e6lp af ende-til-ende kryptering af de overf\u00f8rte data.     <\/li>\n<\/ul>\n<p>I den nye version af GNUnet er der \u00e6ndringer, der bryder protokolkompatibiliteten og kan f\u00f8re til mulige problemer ved interaktion mellem noder baseret p\u00e5 GNUnet 0.20 og \u00e6ldre versioner. Funktionerne GNUNET_STRINGS_get_suffix_from_binary_name og GNUNET_s er overf\u00f8rt til libgnuneutil-biblioteket. Funktionen GNUNET_JSON_spec_object_const, GNUNET_JSON_spec_array_const, GNUNET_PQ_get_oid_by_name og GNUNET_PQ_get_oid er tilf\u00f8jet. KEM-API'en (Key Encapsulation Mechanism) er tilf\u00f8jet.<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=59811\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 GNUnet 0.20, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u0434\u0435\u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0445 P2P-\u0441\u0435\u0442\u0435\u0439. \u0421\u043e\u0437\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 GNUnet \u0441\u0435\u0442\u0438 \u043d\u0435 \u0438\u043c\u0435\u044e\u0442 \u0435\u0434\u0438\u043d\u043e\u0439 \u0442\u043e\u0447\u043a\u0438 \u043e\u0442\u043a\u0430\u0437\u0430 \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u044b \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043d\u0435\u043f\u0440\u0438\u043a\u043e\u0441\u043d\u043e\u0432\u0435\u043d\u043d\u043e\u0441\u0442\u044c \u0447\u0430\u0441\u0442\u043d\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u0437\u043b\u043e\u0443\u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u044f \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u044b \u0441\u043f\u0435\u0446\u0441\u043b\u0443\u0436\u0431 \u0438 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u043e\u0432, \u0438\u043c\u0435\u044e\u0449\u0438\u0445 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0443\u0437\u043b\u0430\u043c \u0441\u0435\u0442\u0438. GNUnet \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 P2P-\u0441\u0435\u0442\u0435\u0439 \u043f\u043e\u0432\u0435\u0440\u0445 TCP, UDP, HTTP\/HTTPS, Bluetooth \u0438 WLAN, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-110319","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 GNUnet 0.20, 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