Sakin sabon reshe na Tor 0.4.1

Ƙaddamar da saki kayan aiki Tor 0.4.1.5, ana amfani da shi don tsara ayyukan cibiyar sadarwar Tor da ba a san sunansu ba. An gane Tor 0.4.1.5 a matsayin farkon barga na sakin reshen 0.4.1, wanda ke ci gaba tsawon watanni huɗu da suka gabata. Za a kiyaye reshen 0.4.1 a matsayin wani ɓangare na sake zagayowar kulawa na yau da kullun - za a dakatar da sabuntawa bayan watanni 9 ko watanni 3 bayan sakin reshen 0.4.2.x. Ana ba da tallafi na dogon lokaci (LTS) don reshen 0.3.5, sabuntawa wanda za a sake shi har zuwa 1 ga Fabrairu, 2022.

Manyan sabbin abubuwa:

• An aiwatar da goyan bayan gwaji don mannen matakin sarkar don haɓaka kariya daga hanyoyin gano zirga-zirgar Tor. Abokin ciniki yanzu yana ƙara sel ɗin padding a farkon sarƙoƙi GABATARWA da RENDEZVOUS, yin zirga-zirgar ababen hawa a kan waɗannan sarƙoƙi sun fi kama da zirga-zirgar ababen hawa na yau da kullun. Kudin ƙarin kariya shine ƙari na ƙarin ƙwayoyin sel guda biyu a kowace hanya don sarƙoƙi na RENDEZVOUS, da kuma sel guda ɗaya na sama da 10 na ƙasa don sarƙoƙin GABATARWA. Ana kunna hanyar lokacin da aka ƙayyade zaɓi na MiddleNodes a cikin saitunan kuma ana iya kashe shi ta zaɓin CircuitPadding;
  

• Kara goyan baya ga ingantattun ƙwayoyin SENDME don kariya daga DoS hare-hare, dangane da ƙirƙirar nau'in parasitic a cikin yanayin inda abokin ciniki ya buƙaci zazzage manyan fayiloli kuma ya dakatar da karanta ayyukan bayan aika buƙatun, amma ya ci gaba da aika umarnin sarrafa SENDME yana ba da umarni nodes ɗin shigarwa don ci gaba da canja wurin bayanai. Kowane tantanin halitta
  SENDME yanzu ya haɗa da zanta na zirga-zirgar da ta yarda da shi, kuma ƙarshen ƙarshen lokacin karɓar tantanin halitta na SENDME zai iya tabbatar da cewa ɗayan ɓangaren ya riga ya karɓi zirga-zirgar zirga-zirgar da aka aika lokacin sarrafa ƙwayoyin da suka gabata;

• Tsarin ya haɗa da aiwatar da tsarin gama-gari don isar da saƙon a cikin yanayin mawallafi-mai biyan kuɗi, wanda za a iya amfani da shi don tsara hulɗar intra-modular;
• Don rarraba umarni na sarrafawa, ana amfani da tsarin ƙididdiga na gaba ɗaya maimakon rarraba bayanan shigar da kowane umarni;
• An gudanar da inganta aikin don rage nauyi akan CPU. Tor yanzu yana amfani da keɓaɓɓen janareta na lambar bazuwar sauri (PRNG) don kowane zaren, wanda ya dogara ne akan amfani da yanayin ɓoye AES-CTR da kuma amfani da ginanniyar haɓakawa kamar libottery da sabon lambar arc4random () daga OpenBSD. Don ƙananan bayanan fitarwa, janareta da aka tsara ya kusan sau 1.1.1 cikin sauri fiye da CSPRNG daga OpenSSL 100. Kodayake sabon PRNG yana da ƙarfi da ƙarfi ta hanyar masu haɓaka Tor, a halin yanzu ana amfani da shi kawai a wuraren da ke buƙatar babban aiki, kamar lambar tsara abubuwan da aka makala;
• Ƙara wani zaɓi "--list-modules" don nuna jerin abubuwan da aka kunna;
• Don sigar na uku na ƙa'idodin sabis na ɓoye, an aiwatar da umarnin HSFETCH, wanda a baya ana goyan bayan kawai a cikin sigar ta biyu;
• An gyara kurakurai a cikin lambar ƙaddamar da Tor (bootstrap) da kuma tabbatar da aiki na sigar hidimomin ɓoye na uku.

source: budenet.ru