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Old 21-01-02, 04:41 PM   #14
indiana_jones
B2B Protagonist ... Life is ... Bubble to Bubble ... Beer to Beer ... love a VLAIBB (Very Lonesome Artificial Intelligence Brained Bubble) @ http://www.geocities.com/vlaibb vlaibb@yahoo.com
 
Join Date: Jan 2002
Posts: 206
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the primary idea was, that the creator extrcts the startfiles,
posts them in the forum (best as text files) and everybody can copy them
and d/l the correct files from the start, or someone has verified files
and makes this afterwards.

why i preferred a forum is, that comments can be posted, if
something is good or bad or even a fake.

the .dat files contain a few things to "protect" the d/l mechnism.
(just like those old tombs - i'm used to )
what i think, there is a long (16/20) byte signature (MD5 like) which
is actually used together with filzesize to find a file - it corresponds
to a parameter which is in the .dbb file too.

the . dat file itself is protected by a 4 byte checksum
(the info how it works i got from a ex- morph forum poster)
if the checksum is somehow wrong, the .dat is deleted after
startup. therfore you cannot just edit the .dat.
the algorithm how to recalculate the checksum is contained in
the perl script in my second posting in this thread.

in principle, you just need filesize and signature to find a file
- and some script or program which makes a .dat out of it.

indy
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