{"id":54194,"date":"2019-12-20T00:00:00","date_gmt":"2019-12-19T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/dostupen-gnunet-0-12-frejmvork-dlya-postroeniya-zashhishhyonnyh-p2p-setej"},"modified":"2020-02-18T14:02:11","modified_gmt":"2020-02-18T11:02:11","slug":"dostupen-gnunet-0-12-frejmvork-dlya-postroeniya-zashhishhyonnyh-p2p-setej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/dostupen-gnunet-0-12-frejmvork-dlya-postroeniya-zashhishhyonnyh-p2p-setej","title":{"rendered":"Megjelent a GNUnet 0.12, a biztons\u00e1gos P2P h\u00e1l\u00f3zatok \u00e9p\u00edt\u00e9s\u00e9re szolg\u00e1l\u00f3 keretrendszer","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/gnunet.org\/en\/news\/2019-0.12.0.html\">Megl\u00e1tta a napvil\u00e1got<\/a><\/noindex> keretrendszer kiad\u00e1sa <noindex><a rel=\"nofollow\" href=\"https:\/\/gnunet.org\">GNUnet 0.12<\/a><\/noindex>, amely a v\u00e9dett decentraliz\u00e1lt P2P-h\u00e1l\u00f3zatok ki\u00e9p\u00edt\u00e9s\u00e9re szolg\u00e1l. A GNUnet seg\u00edts\u00e9g\u00e9vel l\u00e9trehozott h\u00e1l\u00f3zatoknak nincs egyetlen hibapontjuk, \u00e9s k\u00e9pesek garant\u00e1lni a felhaszn\u00e1l\u00f3k mag\u00e1n\u00e9let\u00e9nek v\u00e9delm\u00e9t, bele\u00e9rtve a titkosszolg\u00e1latok \u00e9s az adminisztr\u00e1torok \u00e1ltal a h\u00e1l\u00f3zati csom\u00f3pontokhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9sb\u0151l ad\u00f3d\u00f3 esetleges vissza\u00e9l\u00e9sek kiz\u00e1r\u00e1s\u00e1t. A kiad\u00e1s jelent\u0151s protokoll-v\u00e1ltoz\u00e1sokat tartalmaz, amelyek megszak\u00edtj\u00e1k a 0.11.x verzi\u00f3kkal val\u00f3 visszafel\u00e9 kompatibilit\u00e1st.<\/p>\n<p>A GNUnet t\u00e1mogatja P2P-h\u00e1l\u00f3zatok l\u00e9trehoz\u00e1s\u00e1t TCP, UDP, HTTP\/HTTPS, Bluetooth \u00e9s WLAN felett, m\u0171k\u00f6dhet F2F (Friend-to-friend) m\u00f3dban. T\u00e1mogatott a NAT \u00e1thidal\u00e1sa, bele\u00e9rtve az UPnP \u00e9s ICMP haszn\u00e1lat\u00e1t. Az adatok elhelyez\u00e9s\u00e9nek c\u00edmz\u00e9s\u00e9re elosztott hashtable (DHT) haszn\u00e1lhat\u00f3. Eszk\u00f6z\u00f6k \u00e1llnak rendelkez\u00e9sre mesh-h\u00e1l\u00f3zatok telep\u00edt\u00e9s\u00e9re. A megosztott jogok kiv\u00e1laszt\u00e1s\u00e1hoz \u00e9s visszavon\u00e1s\u00e1hoz a decentraliz\u00e1lt azonos\u00edt\u00f3 attrib\u00fatumok cser\u00e9j\u00e9t alkalmazza. <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/reclaimID\">reclaimID<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/arxiv.org\/pdf\/1805.06253.pdf\">haszn\u00e1l\u00f3<\/a><\/noindex> GNS (GNU N\u00e9v Rendszer) \u00e9s attrib\u00fatum alap\u00fa titkos\u00edt\u00e1s (<noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/Attribute-based_Encryption\">Attribute-Based Encryption<\/a><\/noindex>).<\/p>\n<p>A rendszer alacsony er\u0151forr\u00e1s-felhaszn\u00e1l\u00e1ssal \u00e9s t\u00f6bbprocesszoros architekt\u00far\u00e1val rendelkezik, amely biztos\u00edtja a komponensek k\u00f6z\u00f6tti elszigetelts\u00e9get. Rugalmas eszk\u00f6z\u00f6k \u00e1llnak rendelkez\u00e9sre a napl\u00f3z\u00e1sra \u00e9s statisztik\u00e1k \u00f6sszegy\u0171jt\u00e9s\u00e9re. A GNUnet API-t biztos\u00edt C nyelven v\u00e9gleges alkalmaz\u00e1sok fejleszt\u00e9s\u00e9hez, valamint k\u00f6t\u00e9sek m\u00e1s programoz\u00e1si nyelvekhez. A fejleszt\u00e9s egyszer\u0171s\u00edt\u00e9se \u00e9rdek\u00e9ben a sz\u00e1lak helyett esem\u00e9nyf\u00fcgg\u0151 ciklusokat (event loop) \u00e9s folyamatokat javasolnak. A rendszer tartalmaz egy tesztk\u00f6nyvt\u00e1rt k\u00eds\u00e9rleti h\u00e1l\u00f3zatok automatikus telep\u00edt\u00e9s\u00e9re, amelyek tucatnyi ezer peer-t fednek le. <\/p>\n<p>A GNUnet 0.12 f\u0151bb \u00faj\u00edt\u00e1sai:<\/p>\n<ul>\n<li class=\"l\"> A decentraliz\u00e1lt domain n\u00e9vrendszerben, a GNS-ben (GNU Name System), v\u00e1ltoz\u00e1sok t\u00f6rt\u00e9ntek a kulcssz\u00fcks\u00e9gletek kialak\u00edt\u00e1s\u00e1nak protokolljaiban (a j\u00f6v\u0151beli szabv\u00e1nyok fejleszt\u00e9s\u00e9nek megfelel\u0151en). <noindex><a rel=\"nofollow\" href=\"https:\/\/git.gnunet.org\/lsd0001.git\/tree\/draft-schanzen-gns.txt\">specifik\u00e1ci\u00f3<\/a><\/noindex> A domainnevek \u00e9s c\u00edmk\u00e9k <noindex><a rel=\"nofollow\" href=\"https:\/\/bugs.gnunet.org\/view.php?id=5922\">UTF-8 form\u00e1tumban jelennek meg<\/a><\/noindex> , an\u00e9lk\u00fcl, hogy a punycode IDNA jel\u00f6l\u00e9st haszn\u00e1ln\u00e1k. A nem szabv\u00e1nyos IDNA nevek kezel\u00e9se \u00e9rdek\u00e9ben NSS b\u0151v\u00edtm\u00e9nyt javasoltak. Emellett hozz\u00e1adt\u00e1k a root felhaszn\u00e1l\u00f3k \u00e1ltal \u00e9rkez\u0151 k\u00e9r\u00e9sek blokkol\u00e1s\u00e1nak b\u0151v\u00edtm\u00e9ny\u00e9t (a GNUnet soha nem futtathat\u00f3 root jogokkal).\n<li class=\"l\"> A GNS \u00e9s <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.gnunet.org\/doxygen\/d6\/d5b\/group__nse.html#details\">NSE<\/a><\/noindex> (Network Size Estimation) algoritmus\u00e1ban megv\u00e1ltoztatt\u00e1k a munkav\u00e9gz\u00e9s bizony\u00edt\u00e1sa (proof of work) folyamat\u00e1t, amelyet a domain z\u00f3na visszah\u00edv\u00e1sakor haszn\u00e1lnak. A v\u00e1ltoz\u00e1sok oda vezetnek, hogy bonyolultabb\u00e1 v\u00e1lt a sz\u00e1m\u00edt\u00e1sok elv\u00e9gz\u00e9se a specializ\u00e1lt ASIC-eken.\n<li class=\"l\"> A UDP feletti sz\u00e1ll\u00edt\u00f3 b\u0151v\u00edtm\u00e9ny k\u00eds\u00e9rleti kateg\u00f3ri\u00e1ba ker\u00fclt a stabilit\u00e1si probl\u00e9m\u00e1k miatt;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/bugs.gnunet.org\/view.php?id=5968\">Jav\u00edtva<\/a><\/noindex> \u00e9s dokument\u00e1lt\u00e1k az RSA nyilv\u00e1nos kulcsok bin\u00e1ris form\u00e1tum\u00e1t;\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/bugs.gnunet.org\/view.php?id=5398\">Removed<\/a><\/noindex> felesleges hash-el\u00e9s az EdDSA digit\u00e1lis al\u00e1\u00edr\u00e1sokban;\n<li class=\"l\"> Hozz\u00e1adt\u00e1k a gnunet-logread szkript telep\u00edt\u00e9s\u00e9nek lehet\u0151s\u00e9g\u00e9t a napl\u00f3k audit\u00e1l\u00e1s\u00e1hoz;\n<li class=\"l\"> Az ECDH megval\u00f3s\u00edt\u00e1sa \u00e1tkonvert\u00e1lva a <noindex><a rel=\"nofollow\" href=\"https:\/\/tweetnacl.cr.yp.to\/\">TweetNaCl-ra<\/a><\/noindex>;\n<li class=\"l\"> Sok probl\u00e9ma megold\u00f3dott a gy\u0171jt\u0151 rendszerben. Az \u00f6sszes f\u00fcgg\u0151s\u00e9gb\u0151l elt\u00e1vol\u00edtott\u00e1k a<br \/>\n        <noindex><a rel=\"nofollow\" href=\"https:\/\/www.gnu.org\/software\/glpk\/\">GLPK-t<\/a><\/noindex> (GNU Line\u00e1ris Programoz\u00e1si K\u00e9szlet). Hozz\u00e1adt\u00e1k a helyes csomagle\u00edr\u00e1st a csomagkezel\u0151 alap\u00fa disztrib\u00faci\u00f3khoz. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50619\">Guix<\/a><\/noindex>.<\/p>\n<\/ul>\n<p>A GNUnet technol\u00f3gi\u00e1in alapulva t\u00f6bb k\u00e9sz alkalmaz\u00e1s fejl\u0151dik:\n<\/p>\n<ul>\n<li class=\"l\"> Egy anonim f\u00e1jlmegoszt\u00f3 szolg\u00e1ltat\u00e1s, amely megakad\u00e1lyozza az inform\u00e1ci\u00f3k elemz\u00e9s\u00e9t, mivel az adatokat csak titkos\u00edtott form\u00e1ban tov\u00e1bb\u00edtja, \u00e9s nem teszi lehet\u0151v\u00e9 a f\u00e1jlok k\u00f6zz\u00e9t\u00e9tel\u00e9nek, keres\u00e9s\u00e9nek \u00e9s let\u00f6lt\u00e9s\u00e9nek nyomon k\u00f6vet\u00e9s\u00e9t a GAP protokoll haszn\u00e1lat\u00e1nak k\u00f6sz\u00f6nhet\u0151en.\n<\/li>\n<li class=\"l\"> VPN rendszer rejtett szolg\u00e1ltat\u00e1sok l\u00e9trehoz\u00e1s\u00e1ra a \u201e.gnu\u201d domainekben \u00e9s IPv4 \u00e9s IPv6 alag\u00fat \u00e1tkonvert\u00e1l\u00e1s\u00e1ra P2P-h\u00e1l\u00f3zaton. T\u00e1mogatottak az IPv4-IPv6 \u00e9s IPv6-IPv4 \u00e1tkonvert\u00e1l\u00e1si s\u00e9m\u00e1k, valamint az IPv4-IPv6 \u00e9s IPv6-IPv4 alag\u00fat l\u00e9trehoz\u00e1sa.\n<\/li>\n<li class=\"l\"> A GNS (GNU Name System) egy teljesen decentraliz\u00e1lt \u00e9s cenz\u00far\u00e1zhatatlan alternat\u00edv\u00e1ja a DNS-nek. A GNS p\u00e1rhuzamosan haszn\u00e1lhat\u00f3 a DNS-sel, \u00e9s hagyom\u00e1nyos alkalmaz\u00e1sokban, p\u00e9ld\u00e1ul webb\u00f6ng\u00e9sz\u0151kben is alkalmazhat\u00f3. A rekordok integrit\u00e1s\u00e1t \u00e9s v\u00e1ltozatlans\u00e1g\u00e1t kriptogr\u00e1fiai eszk\u00f6z\u00f6k biztos\u00edtj\u00e1k. A DNS-t\u0151l elt\u00e9r\u0151en a GNS nem f\u00e1ra \u00e9p\u00fcl\u0151 hierarchikus szervereket haszn\u00e1l, hanem ir\u00e1ny\u00edtott gr\u00e1fot. A n\u00e9v\u00e1talak\u00edt\u00e1s hasonl\u00f3 a DNS-hez, de a k\u00e9rd\u00e9sek \u00e9s v\u00e1laszok a mag\u00e1nszf\u00e9ra v\u00e9delme mellett zajlanak \u2014 a k\u00e9rd\u00e9st kezel\u0151 csom\u00f3pont nem tudja, kinek adja \u00e1t a v\u00e1laszt, a tranzitcsom\u00f3pontok \u00e9s harmadik felek megfigyel\u0151k pedig nem tudj\u00e1k dek\u00f3dolni a k\u00e9r\u00e9seket \u00e9s v\u00e1laszokat;\n<\/li>\n<li class=\"l\"> GNUnet Conversation szolg\u00e1ltat\u00e1s a hangh\u00edv\u00e1sok lebonyol\u00edt\u00e1s\u00e1ra GNUneten. A felhaszn\u00e1l\u00f3k azonos\u00edt\u00e1s\u00e1ra GNS-t haszn\u00e1lnak, a hangforgalom tartalma titkos\u00edtva ker\u00fcl tov\u00e1bb\u00edt\u00e1sra. A n\u00e9vtelens\u00e9g jelenleg nem biztos\u00edtott \u2014 m\u00e1s csom\u00f3pontok nyomon tudj\u00e1k k\u00f6vetni a kapcsolatot k\u00e9t felhaszn\u00e1l\u00f3 k\u00f6z\u00f6tt \u00e9s meg tudj\u00e1k hat\u00e1rozni IP-c\u00edm\u00fcket.\n<\/li>\n<li class=\"l\"> Platform decentraliz\u00e1lt k\u00f6z\u00f6ss\u00e9gi h\u00e1l\u00f3zatok l\u00e9trehoz\u00e1s\u00e1ra <noindex><a rel=\"nofollow\" href=\"https:\/\/secushare.org\/\">Secushare<\/a><\/noindex>, amely a k\u00f6vetkez\u0151 protokollt haszn\u00e1lja. <noindex><a rel=\"nofollow\" href=\"http:\/\/about.psyc.eu\/\">PSYC<\/a><\/noindex> \u00e9s t\u00e1mogatja a multicast \u00e9rtes\u00edt\u00e9sek k\u00f6zvet\u00edt\u00e9s\u00e9t end-to-end titkos\u00edt\u00e1ssal, hogy a hozz\u00e1sz\u00f3l\u00e1sokhoz, f\u00e1jlokhoz, cseveg\u00e9sekhez \u00e9s besz\u00e9lget\u00e9sekhez csak az arra jogosult felhaszn\u00e1l\u00f3k jussanak hozz\u00e1 (akikhez a hozz\u00e1sz\u00f3l\u00e1sok nem ir\u00e1nyulnak, bele\u00e9rtve a csom\u00f3pontok rendszergazd\u00e1it, nem tudj\u00e1k majd azokat elolvasni);\n<\/li>\n<li class=\"l\"> Rendszer titkos\u00edtott e-mail szervez\u00e9s\u00e9re <noindex><a rel=\"nofollow\" href=\"https:\/\/pep.foundation\/\">pretty Easy privacy<\/a><\/noindex>, amely a GNUnet-et alkalmazza a metaadatok v\u00e9delm\u00e9re, \u00e9s t\u00e1mogat k\u00fcl\u00f6nb\u00f6z\u0151 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.pep.security\/docs\/general_information.html#the-pp-concept\">titkos\u00edt\u00e1si protokollokat<\/a><\/noindex> a kulcsok ellen\u0151rz\u00e9s\u00e9re;\n<\/li>\n<li class=\"l\"> Fizet\u00e9si rendszer <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=44544\">GNU Taler<\/a><\/noindex>, amely n\u00e9vtelens\u00e9get biztos\u00edt a v\u00e1s\u00e1rl\u00f3k sz\u00e1m\u00e1ra, de nyomon k\u00f6veti az elad\u00f3k tranzakci\u00f3it a transzparencia \u00e9s az ad\u00f3z\u00e1si jelent\u00e9sek biztos\u00edt\u00e1sa \u00e9rdek\u00e9ben. T\u00e1mogatja a k\u00fcl\u00f6nb\u00f6z\u0151 l\u00e9tez\u0151 valut\u00e1k \u00e9s elektronikus p\u00e9nzek haszn\u00e1lat\u00e1t, bele\u00e9rtve a doll\u00e1rokat, eur\u00f3kat \u00e9s bitcoinekat.\n<\/li>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Forr\u00e1s: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52062\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0423\u0432\u0438\u0434\u0435\u043b \u0441\u0432\u0435\u0442 \u0432\u044b\u043f\u0443\u0441\u043a \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0430 GNUnet 0.12, \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. \u0412\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043c\u0435\u0447\u0435\u043d \u043a\u0430\u043a \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0438\u0439 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430, \u043d\u0430\u0440\u0443\u0448\u0430\u044e\u0449\u0438\u0435 \u043e\u0431\u0440\u0430\u0442\u043d\u0443\u044e 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