tations. The curve
parameters have been moved to the
<a href="/pkg/crypto/elliptic/#CurveParams"><code>elliptic.CurveParams</code></a>
structure.
</p>

<p>
<em>Updating</em>:
Existing users of <code>*elliptic.Curve</code> will need to change to
simply <code>elliptic.Curve</code>. Calls to <code>Marshal</code>,
<code>Unmarshal</code> and <code>GenerateKey</code> are now functions
in <code>crypto/elliptic</code> that take an <code>elliptic.Curve</code>
as their first argument.
</p>

<h3 id="crypto_hmac">The c