Re: Hashing, and Ted's concerns about wastefulness
Bill Newman <[email protected]>
| Newsgroups | gmane.ietf.medfree |
|---|---|
| Message-ID | <[email protected]> |
> > At 22:06 03/02/99 -0500, Al Gilman wrote: > >At 01:32 PM 2/3/99 -0800, Ted Hardie wrote: > [...] > >>Remember that typical hash functions care about control characters, so > >>we inherit the whole CR vs. CRLF kinds of problems. Normalizing it now > >>is worth the time, not so much for the "seperately authored" case, but > >>so that the internal representations used to generate the hashes are > >>consistent across platforms with different conventions. > >> > > > >If you can wait a while (time measured in months, not years), the work > >coming forward as character model and InfoSet for XML will give you a good > >foundation so we can have international tags and you can still normalize > >text if you wish prior to hashing. > > > >I am not sure we are going to agonize ourselves through the character set > >problems any faster than they. > > I basically agree with Ted here. > > I think the syntax is sufficiently constrained that character set problems > are not the issue. I think we're just talking about whitespace > normalization (including CRLF if present). > > The basic syntax is easy: all whitespace not in a quoted string can be > stripped. Having spoken out before against normalization in general (as a significant complication with small benefit), I'll chime in now to say that this specific variant sounds reasonably simple, and that my opinion on it is pretty neutral. Bill Newman [email protected]