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[liberationtech] New Anonymity Network for Short Messages

Sean Cassidy sean.a.cassidy at gmail.com
Tue Jun 11 12:14:35 PDT 2013


On Tue, Jun 11, 2013 at 11:42 AM, Griffin Boyce <griffinboyce at gmail.com> wrote:
> Sean Cassidy <sean.a.cassidy at gmail.com> wrote:
>>
>> First is that if the load on the network is high enough, conversations
>> can hide in the noise. This is helped by dummy message generation
>> either by clients or servers (preferably clients to protect against
>> attackers that can monitor every node).
>
>
>   Unless I'm missing something (entirely possible): From your standpoint,
> the ideal would be to hit a high enough rate that it makes real-time
> analysis of content (by a human) impossible. By the time the service hit
> that rate of chats, it will be nigh-unusable by people.  This is more or
> less why chat channels (eg, IRC) were created in the first place.  And that
> doesn't preclude outside observers from storing and correlating the chats.
>

This is mitigated (somewhat) by allowing the users to filter the
amount of messages they can receive by the length of the prefix they
specify. The shorter the prefix, the more messages and more
"anonymous" it becomes, but if bandwidth is a concern you can increase
your prefix length to lower your bandwidth consumption. The fixed
message size addresses this somewhat as well.

Sean

> ~Griffin
>
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