ed to modify the operation.</p>

<p>PKCS7_get0_signers() retrieves the signer&#39;s certificates from <i>p7</i>, it does <b>not</b> check their validity or whether any signatures are valid. The <i>certs</i> and <i>flags</i> parameters have the same meanings as in PKCS7_verify().</p>

<h1 id="VERIFY-PROCESS">VERIFY PROCESS</h1>

<p>Normally the verify process proceeds as follows.</p>

<p>Initially some sanity checks are performed on <i>p7</i>. The type of <i>p7</i> must be SignedData. There must be at least 