est_sign() signs OCSP request <b>req</b> using certificate <b>signer</b>, private key <b>key</b>, digest <b>dgst</b> and additional certificates <b>certs</b>. If the <b>flags</b> option <b>OCSP_NOCERTS</b> is set then no certificates will be included in the request.</p>

<p>OCSP_request_add1_cert() adds certificate <b>cert</b> to request <b>req</b>. The application is responsible for freeing up <b>cert</b> after use.</p>

<p>OCSP_request_onereq_count() returns the total number of <b>OCSP_ONEREQ</b> structur