SECONDS_PER_DAY
days = delta / SECONDS_PER_DAY;
delta -= days * SECONDS_PER_DAY;
clock -= SECONDS_PER_DAY;
d = clock / SECONDS_PER_DAY;
not_before = ((not_before_days - X509_DAYS_TO_UTC0) * SECONDS_PER_DAY) + not_before_seconds;
not_after = ((not_after_days - X509_DAYS_TO_UTC0) * SECONDS_PER_DAY) + not_after_seconds;
#define SECONDS_PER_YEAR 365 * SECONDS_PER_DAY
mc.days = (ve_utc / SECONDS_PER_DAY) + X509_DAYS_TO_UTC0;
mc.seconds = (ve_utc % SECONDS_PER_DAY);