August 27th, 2009, 05:21 AM  #1 
Newbie Joined: Aug 2009 Posts: 1 Thanks: 0  help with a riddle
Hi. I'm not sure if this is the right forum for this, but it mentions algorithms in the description so I thought it might be. Please tell me if I should try elsewhere. A friend of mine has sent me an encrypted zip file. He says the password is "[adler32]+[crc32]", minus the quotes. I have little idea what this means, beyond google telling me that those are checksum algorithms. My friend doesn't think I'm smart enough to figure this out, and I'm not! Any help or even guesses would be appreciated. 
August 29th, 2009, 08:43 PM  #2 
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: help with a riddle
Here's my guess. Calculate the adler32 checksum and the crc32 checksum and put them together (in hex, which is how you'll probably find them).


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