n</code> are deleted from the content. If the content is not of type <code>text/plain</code> then an error is returned.</p>

<p>If <b>CMS_NO_SIGNER_CERT_VERIFY</b> is set the signing certificates are not chain verified, unless <b>CMS_CADES</b> flag is also set.</p>

<p>If <b>CMS_NO_ATTR_VERIFY</b> is set the signed attributes signature is not verified, unless CMS_CADES flag is also set.</p>

<p>If <b>CMS_CADES</b> is set, each signer certificate is checked against the ESS signingCertificate or ESS signingCe