Some draft notes on migrating Tor's ciphersuites

Sat Dec 18 22:48:03 UTC 2010

On Sat, 18 Dec 2010 09:01:04 -0500
Watson Ladd <watsonbladd at gmail.com> wrote:

> One thing that I would like to point out is that .onion addresses will
> always contain a public key, and we want to keep them short. This
> means ECC (un)fortunately, but apparently DJB has an unencumbered
> implementation.

A .onion address currently contains an 80-bit hash of a public key, not
a public key itself.  We will probably add an address format containing
a longer hash of a public key long before we add an address format
containing one coordinate of an elliptic curve public key itself.

Robert Ransom
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