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testingpasswordsuniqueblack-box

Password uniqueness: how to test?


There is a password generator that generates passwords based on known rules (a minimum of 10 characters in length, at least 1 of each of uppercase, lowercase, and numeric characters).

No ability to see the source code for this generator. I am just able to generate passwords and automate this process.

How would you test if this generator provides unique passwords assuming each password meets rules specified?

Thanks, Racoon.


Solution

  • I think my question was incorrect. Every password generator sooner or later provides a value that have been earlier. Better think of randomness than unuqueness.