reference_sz,
                        OSSL_CALLBACK *export_cb, void *export_cbarg);</code></pre>

<h1 id="DESCRIPTION">DESCRIPTION</h1>

<p>The <b>OSSL_DECODER_CTX</b> holds data about multiple decoders, as needed to figure out what the input data is and to attempt to unpack it into one of several possible related results. This also includes chaining decoders, so the output from one can become the input for another. This allows having generic format decoders such as PEM to DER, as well as more specialized 