Re: Burning bridges was Re: [i2p] I2P's security from global passive traffic analysis

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Newsgroups gmane.network.freenet.general,gmane.network.i2p
Message-ID <[email protected]>
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(continuing the reply w/ regards to the other non-CBR issues)

> This is as opposed to a system such as I2P operates now, where
> connections are set up on the whim of the tunnel creator, where
> passive traffic analysis can probably reveal where the tunnel is
> going to, unless either its construction is so slow that it's
> impossible to tell it from the other tunnels 

I wouldn't say construction, but operation.  Construction is just
one packet, and payload does not immediately follow.

> (this is a serious option; users may not mind it if we give them
> a nice GUI),

True, throttling individual tunnels to no more than X KBps has real
potential for some applications.  I2P 3.0 will offer this [1]

[1] http://www.i2p.net/todo#batching

> or we are very lucky with cover traffic.

Tunnel creation itself doesn't require us to be very lucky, the
attack P = (c/n)^h is negligible.  Tunnel operation against global
passive adversaries, however, is a bitch.

=jr
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