x509_verify_asn1_time_to_time_t
int x509_verify_asn1_time_to_time_t(const ASN1_TIME *atime, int notafter,
if (!x509_verify_asn1_time_to_time_t(X509_get_notBefore(cert), 0,
if (!x509_verify_asn1_time_to_time_t(X509_get_notAfter(cert), 1,
if (!x509_verify_asn1_time_to_time_t(ctm, is_notafter, &cert_time))