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IDEA: Program to list possible Windows keys based on partial information

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I'm guessing Windows uses only upper case characters and digits 0 - 9 for each character in the key.  Someone may correct my math but since there are 5 groups of 5 characters that should be equal to 36 to the 25th power, if you had to generate all permutations.

For a partial it would be 36 to the power of each missing character.  So if there were 4 unreadable characters that would be 36 to the 4th power, or 1679616 permutations.  I think MS server would flag you long before you got through 'em all.  :)


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