{"id":56025,"date":"2020-02-03T00:00:00","date_gmt":"2020-02-02T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/v-yadro-linux-5-6-vklyuchili-vpn-wireguard"},"modified":"2020-02-18T14:04:11","modified_gmt":"2020-02-18T11:04:11","slug":"v-yadro-linux-5-6-vklyuchili-vpn-wireguard","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/v-yadro-linux-5-6-vklyuchili-vpn-wireguard","title":{"rendered":"\u00cen nucleul Linux 5.6 a fost inclus VPN-ul WireGuard.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ast\u0103zi, Linus a transferat ramura net-next cu interfe\u021be VPN. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.wireguard.com\/\">WireGuard<\/a><\/noindex>. Despre acest eveniment <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.zx2c4.com\/pipermail\/wireguard\/2020-January\/004906.html\">au raportat<\/a><\/noindex> \u00een lista de distribu\u021bie WireGuard.<\/p>\n<p><img decoding=\"async\" alt=\"\u00cen nucleul Linux 5.6 a fost inclus VPN-ul WireGuard.\" src=\"\/wp-content\/uploads\/2020\/02\/d7a3107d3ba60f906fe446dceb3bdca6.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00cen prezent, se continu\u0103 colectarea codului pentru noul nucleu Linux 5.6. WireGuard este un VPN de nou\u0103 genera\u021bie, care implementeaz\u0103 criptografie modern\u0103. A fost dezvoltat ini\u021bial ca o alternativ\u0103 mai simpl\u0103 \u0219i mai convenabil\u0103 la VPN-urile existente. Autorul este specialistul canadian \u00een securitate informa\u021bional\u0103 Jason Donenfeld. \u00cen august 2018, WireGuard <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.openwall.net\/netdev\/2018\/08\/02\/124\">a fost l\u0103udat<\/a><\/noindex> de Linus Torvalds. Aproximativ \u00een acea perioad\u0103 a \u00eenceput munca de includere a VPN-ului \u00een nucleul Linux. Procesul s-a \u00eentins pu\u021bin.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n\u201eV\u0103d c\u0103 Jason a f\u0103cut un pull request pentru includerea WireGuard \u00een nucleu\u201d, scria Linus pe 2 august 2018. \u201ePot s\u0103 \u00eemi exprim din nou dragostea pentru acest VPN \u0219i s\u0103 sper la o fuziune rapid\u0103? Poate c\u0103 codul nu este perfect, dar l-am revizuit, iar comparativ cu ororile OpenVPN \u0219i IPSec, acesta este o adev\u0103rat\u0103 lucrare de art\u0103.\u201d<\/p>\n<p>\u00cen ciuda dorin\u021bei lui Linus, fuziunea a durat un an \u0219i jum\u0103tate. Principala problem\u0103 a fost legat\u0103 de implement\u0103rile proprii ale func\u021biilor criptografice, care au fost utilizate pentru a \u00eembun\u0103t\u0103\u021bi performan\u021ba. Dup\u0103 negocieri \u00eendelungate, \u00een septembrie 2019 a fost <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.zx2c4.com\/pipermail\/wireguard\/2019-September\/004560.html\">acceptat\u0103 o solu\u021bie compromis<\/a><\/noindex> de a transfera patch-urile pe func\u021biile existente \u00een nucleu de tip Crypto API, la care dezvoltatorii WireGuard aveau obiec\u021bii privind performan\u021ba \u0219i securitatea general\u0103. Dar s-a decis ca func\u021biile criptografice nativ ale WireGuard s\u0103 fie separate \u00een API-uri Zinc de nivel jos \u0219i, \u00een timp, s\u0103 fie portate \u00een nucleu. \u00cen noiembrie, dezvoltatorii nucleului \u0219i-au respectat promisiunea \u0219i <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.zx2c4.com\/pipermail\/wireguard\/2019-November\/004614.html\">au convenit<\/a><\/noindex> s\u0103 transfere \u00een nucleul principal o parte din cod din Zinc. De exemplu, \u00een Crypto API <noindex><a rel=\"nofollow\" href=\"https:\/\/lore.kernel.org\/linux-crypto\/CAHmME9rxGp439vNYECm85bgibkVyrN7Qc+5v3r8QBmBXPZM=Dg@mail.gmail.com\/\">sunt incluse<\/a><\/noindex> sunt preg\u0103tite \u00een WireGuard implement\u0103ri rapide ale algoritmilor ChaCha20 \u0219i Poly1305.<\/p>\n<p>\u00cen cele din urm\u0103, pe 9 decembrie 2019, David Miller, responsabil pentru subsistemul de re\u021bea al nucleului Linux, <noindex><a rel=\"nofollow\" href=\"https:\/\/lists.zx2c4.com\/pipermail\/wireguard\/2019-December\/004704.html\">a acceptat<\/a><\/noindex> a ad\u0103ugat \u00een ramura net-next <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2019\/12\/8\/240\">patch-uri<\/a><\/noindex> implementarea interfe\u021bei VPN din proiectul WireGuard.<\/p>\n<p>Iar ast\u0103zi, pe 29 ianuarie 2020, modific\u0103rile au fost trimise lui Linus pentru a fi incluse \u00een nucleu.<\/p>\n<p><img decoding=\"async\" alt=\"\u00cen nucleul Linux 5.6 a fost inclus VPN-ul WireGuard.\" src=\"\/wp-content\/uploads\/2020\/02\/49ea5f8ed5e0d36d3ccaa974e1514086.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAvantajele declarate ale WireGuard fa\u021b\u0103 de alte solu\u021bii VPN:<\/p>\n<ul>\n<li>U\u0219or de utilizat.\n<\/li>\n<li>Folose\u0219te criptografie modern\u0103: Noise protocol framework, Curve25519, ChaCha20, Poly1305, BLAKE2, SipHash24, HKDF etc.\n<\/li>\n<li>Cod compact \u0219i lizibil, mai u\u0219or de examinat pentru vulnerabilit\u0103\u021bi.\n<\/li>\n<li>Performan\u021b\u0103 ridicat\u0103.\n<\/li>\n<li>Clar \u0219i bine structurat <noindex><a rel=\"nofollow\" href=\"https:\/\/www.wireguard.com\/papers\/wireguard.pdf\">specification<\/a><\/noindex>.<\/li>\n<\/ul>\n<p>\nToat\u0103 logica principal\u0103 a WireGuard ocup\u0103 mai pu\u021bin de 4000 de linii de cod, \u00een timp ce OpenVPN \u0219i IPSec constau \u00een sute de mii de linii. <\/p>\n<blockquote><p>\u00cen WireGuard se aplic\u0103 conceptul de rutare pe baza cheilor de criptare, care implic\u0103 alocarea unui cheie privat\u0103 pentru fiecare interfa\u021b\u0103 de re\u021bea \u0219i utilizarea acesteia pentru asocierea unei chei publice. Schimbul de chei publice pentru stabilirea conexiunii se realizeaz\u0103 similar cu SSH. Pentru negocierea cheilor \u0219i conectare f\u0103r\u0103 a lansa un demon separat \u00een spa\u021biul utilizatorului se utilizeaz\u0103 mecanismul Noise_IK din <noindex><a rel=\"nofollow\" href=\"http:\/\/noiseprotocol.org\/\">Noise Protocol Framework<\/a><\/noindex>, similar cu men\u021binerea authorized_keys \u00een SSH. Transmiterea datelor se efectueaz\u0103 prin \u00eencapsulare \u00een pachete UDP. Se suport\u0103 schimbarea adresei IP a serverului VPN (roaming) f\u0103r\u0103 a \u00eentrerupe conexiunea, cu reconfigurarea automat\u0103 a clientului, \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51997\">scrie<\/a><\/noindex> Opennet.<\/p>\n<p>Pentru criptare <noindex><a rel=\"nofollow\" href=\"https:\/\/www.wireguard.io\/protocol\/\">se folose\u0219te<\/a><\/noindex> fluxul de criptare <noindex><a rel=\"nofollow\" href=\"http:\/\/cr.yp.to\/chacha.html\">ChaCha20<\/a><\/noindex> \u0219i algoritmul de autentificare a mesajelor (MAC) <noindex><a rel=\"nofollow\" href=\"http:\/\/cr.yp.to\/mac.html\">Poly1305<\/a><\/noindex>, dezvolta\u021bi de Daniel Bernstein (<noindex><a rel=\"nofollow\" href=\"http:\/\/cr.yp.to\/djb.html\">Daniel J. Bernstein<\/a><\/noindex>), Tanja Lange \u0219i Peter Schwabe. ChaCha20 \u0219i Poly1305 sunt pozi\u021biona\u021bi ca fiind analogi mai rapizi \u0219i mai siguri ai AES-256-CTR \u0219i HMAC, implementarea software-ului c\u0103rora permite ob\u021binerea unor timpuri fixe de execu\u021bie f\u0103r\u0103 a necesita suport hardware special. Pentru generarea cheii secrete comune se utilizeaz\u0103 protocolul Diffie-Hellman pe curve eliptice \u00een implementarea <noindex><a rel=\"nofollow\" href=\"http:\/\/cr.yp.to\/ecdh.html\">Curve25519<\/a><\/noindex>, de asemenea, propus de Daniel Bernstein. Algoritmul utilizat pentru hash-uri este <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=35676\">BLAKE2s (RFC7693)<\/a><\/noindex>\u00bb.<\/p><\/blockquote>\n<p>\nRezultate <noindex><a rel=\"nofollow\" href=\"https:\/\/www.wireguard.com\/performance\/\">testelor de performan\u021b\u0103<\/a><\/noindex> de pe site-ul oficial:<\/p>\n<p><b>L\u0103\u021bimea de band\u0103 (megabi\u021bi\/s)<\/b> <br \/>\n<img decoding=\"async\" alt=\"\u00cen nucleul Linux 5.6 a fost inclus VPN-ul WireGuard.\" src=\"\/wp-content\/uploads\/2020\/02\/62e73700bf3536fbc2d99ba92df4a67a.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Ping (ms)<\/b> <br \/>\n<img decoding=\"async\" alt=\"\u00cen nucleul Linux 5.6 a fost inclus VPN-ul WireGuard.\" src=\"\/wp-content\/uploads\/2020\/02\/597df63e420cd6f44cd5678dbad81160.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h4>Configura\u021bia de test:<\/h4>\n<p><\/p>\n<ul>\n<li>Intel Core i7-3820QM \u0219i Intel Core i7-5200U<\/li>\n<li>Pl\u0103ci de re\u021bea Intel 82579LM \u0219i Intel I218LM<\/li>\n<li>Linux 4.6.1<\/li>\n<li>Configura\u021bia WireGuard: ChaCha20 de 256 bi\u021bi cu Poly1305 pentru MAC<\/li>\n<li>Prima configura\u021bie IPsec: ChaCha20 de 256 bi\u021bi cu Poly1305 pentru MAC<\/li>\n<li>A doua configura\u021bie IPsec: AES-256-GCM-128 (cu AES-NI)<\/li>\n<li>Configura\u021bia OpenVPN: pachet de criptare echivalent cu AES de 256 bi\u021bi cu HMAC-SHA2-256, modul UDP<\/li>\n<li>Performan\u021ba a fost m\u0103surat\u0103 folosind <code>iperf3<\/code>, rezultatul mediu fiind prezentat pentru 30 de minute.<\/li>\n<\/ul>\n<p>\nTeoretic, dup\u0103 integrarea \u00een stiva de re\u021bea, WireGuard ar trebui s\u0103 func\u021bioneze \u0219i mai rapid. \u00cens\u0103, \u00een realitate, acest lucru nu este neap\u0103rat garantat din cauza trecerii la func\u021bii criptografice \u00eencorporate \u00een nucleu prin Crypto API. Este posibil ca nu toate acestea s\u0103 fie \u00eenc\u0103 optimizate la nivelul performan\u021belor nativului WireGuard.<\/p>\n<blockquote><p>Din punctul meu de vedere, WireGuard este perfect pentru utilizator. Toate solu\u021biile de nivel inferior sunt stipulate \u00een specifica\u021bii, astfel \u00eenc\u00e2t procesul de configurare a unei infrastructuri VPN tipice dureaz\u0103 doar c\u00e2teva minute. Practic, este imposibil s\u0103 gre\u0219e\u0219ti \u00een configurare, \u2014 <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/432686\/\">scriau<\/a><\/noindex> \u00een Habr \u00een 2018. \u2014 Procesul de instalare <noindex><a rel=\"nofollow\" href=\"https:\/\/www.wireguard.com\/install\/\">este descris detaliat<\/a><\/noindex> pe site-ul oficial, merit\u0103 s\u0103 men\u021bion\u0103m \u00een mod special excelenta <noindex><a rel=\"nofollow\" href=\"https:\/\/openwrt.org\/docs\/guide-user\/network\/tunneling_interface_protocols#protocol_wireguard_wireguard_vpn\">asisten\u021b\u0103 OpenWRT<\/a><\/noindex>. O astfel de u\u0219urin\u021b\u0103 de utilizare \u0219i compactitate a bazei de cod a fost realizat\u0103 prin renun\u021barea la distribuirea cheilor. Nu exist\u0103 un sistem complex de certificate \u0219i toat\u0103 acea nebunie corporativ\u0103, cheile de criptare scurte sunt distribuite aproximativ ca cheile SSH.<\/p><\/blockquote>\n<p>\nProiectul WireGuard se dezvolt\u0103 din 2015, a trecut auditul \u0219i <noindex><a rel=\"nofollow\" href=\"https:\/\/www.wireguard.com\/formal-verification\/\">verificare formal\u0103<\/a><\/noindex>. Suportul pentru WireGuard este integrat \u00een NetworkManager \u0219i systemd, iar patch-urile pentru kernel sunt incluse \u00een distribu\u021biile de baz\u0103 Debian Unstable, Mageia, Alpine, Arch, Gentoo, OpenWrt, NixOS, Subgraph \u0219i ALT.<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/dcmiran\/blog\/486046\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0435\u0433\u043e\u0434\u043d\u044f \u041b\u0438\u043d\u0443\u0441 \u043f\u0435\u0440\u0435\u043d\u0451\u0441 \u043a \u0441\u0435\u0431\u0435 \u0432\u0435\u0442\u043a\u0443 net-next \u0441 VPN-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430\u043c\u0438 WireGuard. \u041e\u0431 \u044d\u0442\u043e\u043c \u0441\u043e\u0431\u044b\u0442\u0438\u0438 \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0438 \u0432 \u0441\u043f\u0438\u0441\u043a\u0435 \u0440\u0430\u0441\u0441\u044b\u043b\u043a\u0438 WireGuard. \u0412 \u0434\u0430\u043d\u043d\u044b\u0439 \u043c\u043e\u043c\u0435\u043d\u0442 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442\u0441\u044f \u0441\u0431\u043e\u0440 \u043a\u043e\u0434\u0430 \u0434\u043b\u044f \u043d\u043e\u0432\u043e\u0433\u043e \u044f\u0434\u0440\u0430 Linux 5.6. WireGuard \u2014 \u0431\u044b\u0441\u0442\u0440\u044b\u0439 VPN \u043d\u043e\u0432\u043e\u0433\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u043a\u0440\u0438\u043f\u0442\u043e\u0433\u0440\u0430\u0444\u0438\u044f. \u041e\u043d \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u043b\u0441\u044f \u043a\u0430\u043a \u0431\u043e\u043b\u0435\u0435 \u043f\u0440\u043e\u0441\u0442\u0430\u044f \u0438 \u0443\u0434\u043e\u0431\u043d\u0430\u044f \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u0430 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u043c VPN. \u0410\u0432\u0442\u043e\u0440\u00a0\u2014 \u043a\u0430\u043d\u0430\u0434\u0441\u043a\u0438\u0439 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0441\u0442 \u043f\u043e [&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":[688],"tags":[],"class_list":["post-56025","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u0435\u0433\u043e\u0434\u043d\u044f \u041b\u0438\u043d\u0443\u0441 \u043f\u0435\u0440\u0435\u043d\u0451\u0441 \u043a \u0441\u0435\u0431\u0435 \u0432\u0435\u0442\u043a\u0443 net-next \u0441 VPN-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430\u043c\u0438 WireGuard.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri 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