<blockquote>
<p>I think we should make use of the optimized ARM assembly implementations in <a href="https://github.com/ctz/cifra/tree/master/src/arm/unacl"><code>src/arm/unacl</code></a> that are used by curve25519.</p>
</blockquote>
<p>I think this is certainly a good idea. However, I'd like to keep the functionality in this PR as is for now and include this optimization in a follow up PR.</p>

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