nction to check the policies of all the certificates in the final chain.. 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_lookup_certs() and X509_STORE_set_lookup_crls() set the functions to look up all the certs or all the CRLs that match the given name <i>nm</i>. These functions return NULL on failure and a pointer to a stack of certificates (<b>X509</b>) or to a stack o