ertificate, and/or a private key. The elements are read sequentially, and as far as they are of different type than the elements read before, they are combined into the same <b>X509_INFO</b> object. The idea behind this is that if, for instance, a certificate is followed by a private key, the private key is supposed to correspond to the certificate.</p>

<p>If the input stack <i>sk</i> is NULL a new stack is allocated, else the given stack is extended.</p>

<p>The optional <i>cb</i> and <i>u</i> parameters 