Wireshark-bugs: [Wireshark-bugs] [Bug 11039] ULP: raw ASN.1 values are not interpreted
Comment # 13
on bug 11039
from Pascal Quantin
(In reply to Ralf G. R. Bergs from comment #12)
> (In reply to Pascal Quantin from comment #10)
> > At least the timestamp dissection is now fixed. You can get it in the
> > nightly builds that should appear soon.
>
> I can gladly confirm that in v1.99.4rc0-94-g1dedcf3 the dissection of
> timestamp is fixed. Thank you so much!
>
> One question, though: Would it be possible to display the timestamp
> including the century? I. e. instead of "150308145229Z" display it as
> "20150308145229Z?" This is the normal ISO date format and makes it much
> easier to recognize the leading year (YYYY).
No this is not possible for the simple reason that the ASN.1 string is
150308145229Z, per the ASN.1 ITU-T x680 specification chapter 47.3:
The type is defined, using ASN.1, as follows:
UTCTime ::= [UNIVERSAL 23] IMPLICIT VisibleString
with the values of the VisibleString restricted to strings of characters which
are the juxtaposition of:
a) the six digits YYMMDD where YY is the two low-order digits of the Christian
year, MM is the month (counting January as 01), and DD is the day of the month
(01 to 31); and
b) either:
1) the four digits hhmm where hh is hour (00 to 23) and mm is minutes (00
to 59); or
2) the six digits hhmmss where hh and mm are as in 1) above, and ss is
seconds (00 to 59); and
c) either:
1) the character Z ; or
2) one of the characters + or - , followed by hhmm, where hh is hour and
mm is minutes.
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