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Security of dark net overlay networks

Authors: Fallang, Fredrik;

Security of dark net overlay networks

Abstract

I denne masteroppgaen blir det presentert en metode for å opprette desentraliserte likemannsnettverk. Ved å benytte Tor rutere på en ny måte vi kan bygge et nettverk ovenpå eksisterende infrastruktur. Systeme blir testet både i sin evne til å sende data, men også hvordan det kan kombineres med progressive rutingstrategier. Vi isolerer tunnelprotokollen ved å teste den lokalt mellom Tor routere som er i våres hende. Testen utføres også på det offentlige Tor nettverket for å verifisere funn og prøve det i den ekte verden. Sikkerhetsegenskapene til systemet blir diskutert i lyset av nettverksarkitekturen. Systemets design resulterte i en prototype bygget oppå Tor sin rendezvouspunkt mekanisme. Dette gjorde oss i stand til å desentralisert oppkoble systemets likemenn. Designet tillater for to hopp i relékjeden mellom likemenn i nettverket. Fremtidig arbeid kan resultere i støtte for ett hopp. Dette er minimum av hva løsningen støtter, og flere hopp er ofte ønskelig og anbefalt i brukstilfeller hvor anonymitet verdsettes. Ytelsestestene avslørte en tydelig topp i vår implementasjon, når testet lokalt i optimale forhold. Resultatene fra den ekte verden divergerte ikke så mye fra denne toppen, som tyder på at vi evner å utnytte Tor ruterene på en effektiv måte. Dette kan bety at vi ved en bedre implementasjon kan oppnå enda bedre resultater som ikke begrenses av Tor nettverket.

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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green