Hello Allan, I'd think that it's impossible.
From the MD5 homepage at http://userpages.umbc.edu/~mabzug1/cs/md5/md5.html : > It is conjectured that it is computationally infeasible > to produce two messages having the same message digest, > or to produce any message having a given prespecified > target message digest A given prespecified target digest would be what is required. So it's computationally infeasible, if still theoretically possible - as for the algorithm that would be required, I've absolutely no idea! (It might be that some MD5 programs ignore RCS tags - so you could insert the pre-calculated hash inside them - I'm sure that would be cheating though :) ) -c Monday, September 6, 2004, 3:54:04 PM, you wrote: AW> Hi, AW> Is it possible to have an md5sum quoted in a file which corresponds to the AW> md5sum of that file? AW> I guess that this will either be a really trivial thing to do or it'll be AW> one of those silly npc (or whatever it is) problems. AW> Links or explantions of algorithms and/or implementations would be AW> interesting (I'm more asking out of interest than anything else). AW> Thanks, AW> Allan AW> _______________________________________________ AW> Scottish mailing list AW> [EMAIL PROTECTED] AW> http://mailman.lug.org.uk/mailman/listinfo/scottish -- Best regards, Calum mailto:[EMAIL PROTECTED] _______________________________________________ Scottish mailing list [EMAIL PROTECTED] http://mailman.lug.org.uk/mailman/listinfo/scottish
