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So first we'll assume the end-game is to perform a dictionary attack on the not-yet-known hash. In that case you also have a dictionary. First, store the dictionary it's md5 hashes in a database, with a sort index on the md5 hashes. Now, for each character of the hash: Select an md5 hash starting with what you know so far plus 1 extra character for each ...


There is no timing attack possible on MD5 as practically implemented on most platforms. That's because MD5 uses only 32-bit addition, 32-bit bitwise boolean operators, and constant rotations/shifts, which exhibit no data-dependent timing for any reasonable implementation, even written without consideration for resistance to timing attacks. There is however ...

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