> One thing that might help the encryption/decryption/encryption speed would be 
> to use
> a shared session key for the whole insert node chain (it could even be the 
> Unique
> Message ID already present in the system). That way the first node encrypts 
> the
> message
> and all subsequent nodes just decrypt and forward and the last node just 
> decrypts.
> It cuts out a reencryption for every hop but I don't know how it affects 
> traffic
> analysis.

You want to reencrypt for every hop. We're paranoid. It's just a DH key
exchange. Buck up. You can handle it.

> All the key verification that I guess is planned for 0.4 (or is all that 
> included in
> 0.3)
> would be another load on top of that though.

Yeah, I don't know how intense that's going to be.


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