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NOTE: use Perl; is on undef hiatus. You can read content, but you can't post it. More info will be forthcoming forthcomingly.

All the Perl that's Practical to Extract and Report

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  • by mauzo (8185) on 2008.08.18 11:29 (#64489)
    Since A, B, C, and D are just the four bytes of the digest, there's no way to calculate them without breaking MD5 (by brute force or otherwise).
    • Well, these days there's no need to use brute force. Just use Rainbow Tables (see Google for details). The short answer is that people calculate the MD5 checksum for vast numbers of strings, so you just need to look up the result to reverse the process.
      And, now, let's hear it for: SHA1!!!!