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[ILUG] Todays impossible task...

[ILUG] Todays impossible task...

Caolan McNamara cmc at stardivision.de
Wed Mar 22 17:32:01 GMT 2000


Well its that time again when I'm stumped, so its another "file format 
challenge"


http://www.csn.ul.ie/~caolan/challenge/mszp/

In this exciting episode we delve into the depths of yet another 
compression scheme. The files here are almost certainly compressed 
files, and almost certainly with the layout described in the 
Explanation file at that url. Catch is that I do not recognize the 
compression format at all. I have "suspected" plain text for one file 
(all are very short btw), and I am guessing that it might be similiar 
to the gzip/zlib mechanisms. After that though I'm out of ideas. These 
snippets have been agonizingly extracted from .ivt (a msdevstudio help 
file format) files and describe the "table of contents" of a help 
topic.

If any compression freak recognizes the scheme or has any suggestions 
I'd appreciate it. 

Previous success stories with ffc...

how wmf files are stored gzipped in microsoft word and
how rc4 is rekeyed at the 512byte boundary during {en|de}cryption of 
ww97 password protected documents.

Previous failure stories with ffc...
The rationale behind the selection of the default drawing scaling of 
wmf files in
the absence of any explicit information.

C.







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