[Cryptography] Mathematics of variable substitutions?

[Bill Cox]

On Sat, Apr 30, 2016 at 4:17 AM, Bill Cox <waywardgeek at gmail.com> wrote:

> Clearly there is such a substitution, since we know we can continuously
> morph the points on the Edwards curve that are in the group to the points
> of the circle group
>

I meant to say that clearly a mapping exists, but not that an efficient
mapping exists.

Bill
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