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A password is a secret word or string of characters that is used for authentication, to prove identity or gain access to a resource.

4 votes

How can I estimate the entropy of a password?

Check out the source code for KeePass at the bottom of this page. The QualityEstimation class implements a rather nice algorithm which seems to be in line with what you're looking to have in place. My …
Jesse C. Slicer's user avatar