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Diffstat (limited to 'doc')
| -rw-r--r-- | doc/tor-design.tex | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/doc/tor-design.tex b/doc/tor-design.tex index bed7c8d46f..758e24f96d 100644 --- a/doc/tor-design.tex +++ b/doc/tor-design.tex @@ -1,5 +1,6 @@ - \documentclass[times,10pt,twocolumn]{article} +%\usepackage{/home/syverson/papers/latex8} +%\usepackage{/home/syverson/papers/times} \usepackage{latex8} \usepackage{times} \usepackage{url} @@ -44,7 +45,7 @@ \begin{abstract} We present Tor, a connection-based low-latency anonymous communication -system which addresses many flaws in the original onion routing design. +system which addresses many limitations in the original onion routing design. Tor works in a real-world Internet environment, requires little synchronization or coordination between nodes, and protects against known anonymity-breaking attacks as well @@ -67,11 +68,14 @@ build a \emph{virtual circuit}, in which each node in the path knows its predecessor and successor, but no others. Traffic flowing down the circuit is sent in fixed-size \emph{cells}, which are unwrapped by a symmetric key at each node, revealing the downstream node. The original onion routing -project published several design and analysis papers in recent years -\cite{or-journal,or-discex,or-ih,or-pet}, but because the only +project published several design and analysis papers +\cite{or-journal,or-discex,or-ih,or-pet}. While there was briefly +a network of about a dozen nodes at three widely distributed sites, +the only long-running and publicly accessible implementation was a fragile proof-of-concept that ran on a single -machine, many critical design and deployment issues were not considered -or addressed. Here we describe Tor, a protocol for asynchronous, loosely +machine. Many critical design and deployment issues were never implemented, +and the design has not been updated in several years. +Here we describe Tor, a protocol for asynchronous, loosely federated onion routers that provides the following improvements over the old onion routing design: |