ction must return 0 on failure and 1 on success. <i>If no function to get the issuer is provided, the internal default function will be used instead.</i></p>

<p>X509_STORE_set_cert_crl() sets the function to check the revocation status of the given certificate <i>x</i> against the given <i>crl</i>. This function must return 0 on failure and 1 on success. <i>If no function to get the issuer is provided, the internal default function will be used instead.</i></p>

<p>X509_STORE_set_check_policy() sets the fu