Broadcasts - addressing
Doug Barnes
db at Tadpole.COM
Mon Dec 12 15:05:34 PST 1994
>
> |
> | I have been contemplating how to mark broadcast messages as being
> | 'for' someone. To foil traffic analysis, you don't want to include
> | their nym or key-id, for the sake of the your poor CPU, you want to
> | avoid the need to attempt decryption on everything that passes through.
>
> Keys are cheap. Everyone should have a bunch. To foil
> TA, hand out a key to each correspondant. Give them id's like
> 'latex.limb.malaise <alt.anonymous.mesages>'
>
Yes, but any set of messages sent under a particular key are
linked for purposes of traffic analysis. You would need to hand
out (potentially) a key per message, or stacks of keys. At
which point, you're doing something very similar to what I
suggested. I personally think that it would be easier to manage
fewer keys and use something very simple (like a large random
number) for message tagging, but this is just me.
Doug
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