{"id":111687,"date":"2023-11-22T03:10:24","date_gmt":"2023-11-22T01:10:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/czenzuroustojchivaya-sistema-domennyh-imyon-gns-poluchila-status-predlozhennogo-standarta"},"modified":"2023-11-22T03:10:24","modified_gmt":"2023-11-22T01:10:24","slug":"czenzuroustojchivaya-sistema-domennyh-imyon-gns-poluchila-status-predlozhennogo-standarta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/czenzuroustojchivaya-sistema-domennyh-imyon-gns-poluchila-status-predlozhennogo-standarta","title":{"rendered":"Sistemul de nume de domeniu rezistent la cenzur\u0103 GNS a ob\u021binut statutul de standard propus","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Comitetul IETF (Internet Engineering Task Force), care se ocup\u0103 cu dezvoltarea protocoalelor \u0219i arhitecturii internetului, a finalizat elaborarea RFC pentru sistemul de nume de domenii GNS (GNU Name System), dezvoltat de proiectul GNUnet ca o alternativ\u0103 complet descentralizat\u0103 \u0219i necontrolat\u0103 de cenzur\u0103 la DNS. Specifica\u021bia, publicat\u0103 ca RFC-9498, a primit statutul de \u201eStandard propus\u201d. Implementarea GNS, care respect\u0103 complet RFC-ul publicat, face parte din platforma GNUnet 0.20.0 \u0219i este, de asemenea, disponibil\u0103 \u00een baza de cod a proiectului GNUnet-Go. <\/p>\n

GNS poate fi utilizat al\u0103turi de DNS \u0219i \u00een aplica\u021bii tradi\u021bionale, cum ar fi browserele web. Integritatea \u0219i imutabilitatea \u00eenregistr\u0103rilor sunt asigurate prin utilizarea mecanismelor criptografice. Spre deosebire de DNS, GNS folose\u0219te un grafic orientat \u00een locul ierarhiei arbore. servere<\/a> se aplic\u0103 un graf direc\u021bionat. Transformarea numelui este similar\u0103 cu DNS, dar interog\u0103rile \u0219i r\u0103spunsurile se efectueaz\u0103 cu p\u0103strarea confiden\u021bialit\u0103\u021bii \u2014 nodul care proceseaz\u0103 interogarea nu \u0219tie cui \u00eei este dat r\u0103spunsul, iar nodurile de tranzit \u0219i observatorii externi nu pot decripta interog\u0103rile \u0219i r\u0103spunsurile. <\/p>\n

Zona DNS \u00een GNS este definit\u0103 printr-un set de chei deschise \u0219i \u00eenchise ECDSA bazate pe curbe eliptice Curve25519. Utilizarea Curve25519 este perceput\u0103 de unii ca un pas destul de ciudat, \u00eentruc\u00e2t pentru ECDSA se utilizeaz\u0103 alte tipuri de curbe eliptice, iar \u00eempreun\u0103 cu Curve25519 se folose\u0219te de obicei algoritmul de semn\u0103tur\u0103 digital\u0103 Ed25519, mai modern, mai sigur \u0219i mai rapid dec\u00e2t ECDSA. Din punct de vedere al rezisten\u021bei criptografice, alegerea dimensiunii cheii \u2014 32 de octe\u021bi \u00een loc de 64 de octe\u021bi, utiliza\u021bi de obicei pentru Ed25519, precum \u0219i aplicarea cript\u0103rii simetrice \u00een cascad\u0103, utiliz\u00e2nd algoritmii AES \u0219i TwoFish \u00een modul CFB, ridic\u0103, de asemenea, \u00eentreb\u0103ri. <\/p>\n

Aceast\u0103 abordare este explicat\u0103 prin necesitatea implement\u0103rii cheilor ierarhice, care permit utilizarea cheii publice r\u0103d\u0103cin\u0103 pentru extragerea cheii publice fiice, beneficiind de proprietatea de linearitate a curbei Curve25519. Aceast\u0103 caracteristic\u0103 permite ob\u021binerea de chei publice fiice f\u0103r\u0103 a cunoa\u0219te cheile r\u0103d\u0103cin\u0103 private. Tehnica specificat\u0103 este folosit\u0103 de asemenea \u00een Bitcoin. Dimensiunea cheii de 32 de octe\u021bi a fost aleas\u0103 pentru a se \u00eencadra \u00eentr-o singur\u0103 \u00eenregistrare DNS.
\n
Sursa: opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u0438\u0442\u0435\u0442 IETF (Internet Engineering Task Force), \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b \u0438\u043d\u0442\u0435\u0440\u043d\u0435\u0442\u0430, \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u043b \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 RFC \u0434\u043b\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0434\u043e\u043c\u0435\u043d\u043d\u044b\u0445 \u0438\u043c\u0451\u043d GNS (GNU Name System), \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c GNUnet \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0434\u0435\u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0438 \u043d\u0435\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0439 \u0434\u043b\u044f \u0446\u0435\u043d\u0437\u0443\u0440\u044b \u0437\u0430\u043c\u0435\u043d\u044b DNS. \u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u043a\u0430\u043a RFC-9498, \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0430 \u0441\u0442\u0430\u0442\u0443\u0441 «\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430». \u041f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0430\u044f \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043d\u043e\u043c\u0443 RFC \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f GNS \u0432\u0445\u043e\u0434\u0438\u0442 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b GNUnet […]<\/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-111687","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Sistemul de nume de domenii GNS, rezistent la cenzur\u0103, a ob\u021binut statutul de standard propus | ProHoster","description":"Comitetul IETF (Internet Engineering Task Force), care se ocup\u0103 cu dezvoltarea protocoalelor \u0219i arhitecturii internetului, a finalizat 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