sk_X509_ATTRIBUTE_new_null
rinf->attributes = sk_X509_ATTRIBUTE_new_null();
si->signedAttrs = sk_X509_ATTRIBUTE_new_null();
if ((attrs = sk_X509_ATTRIBUTE_new_null()) == NULL) {
sk = sk_X509_ATTRIBUTE_new_null();
if ((sk = sk_X509_ATTRIBUTE_new_null()) == NULL)