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Can we use old hash algorithms but with a better salt? If the reason bcrypt is good is memory requirements perhaps we can use MD5 with a very long salt? Is there a salting method which does not simply concatenate salt with the password but uses a less GPU friendly logic?
Commented Apr 10, 2012 on
Hashes are a bit like fingerprints for data. A given hash uniquely represents a file, or any arbitrary collection of data. At least in theory. This is a 128-bit MD5 hash you're looking at above, so it can represent at most 2128 unique items, or 340 trillion trillion trillion. In reality the...
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