x509_get_time
if (!x509_get_time(at, &cert->notbefore)) {
if (!x509_get_time(at, &cert->notafter)) {
if (!x509_get_time(at, signtime)) {
if (!x509_get_time(at, &crl->thisupdate)) {
if (!x509_get_time(at, &crl->nextupdate)) {
int x509_get_time(const ASN1_TIME *, time_t *);
if (!x509_get_time(X509_REVOKED_get0_revocationDate(rev), &t))
if (!x509_get_time(atime, &t))
if (!x509_get_time(at, t)) {