This will show you all the possible combinations of a password.
GRC's | Password Haystacks: How Well Hidden is Your Needle?
The following is a direct quote from the site:
IMPORTANT!!! What this calculator is NOT . . .
It is
NOT a “Password Strength Meter.”
Since it could be easily confusing for one, it is very important for you to understand what it is, and what it isn't:
The #1 most commonly used password is “123456”, and the 4th most common is “Password.” So any password attacker and cracker would try those two passwords immediately. Yet the Search Space Calculator above shows the time to search for those two passwords online (assuming a very fast online rate of 1,000 guesses per second) as 18.52 minutes and 17.33 centuries respectively! If “123456” is the first password that's guessed, that wouldn't take 18.52 minutes. And no password cracker would wait 17.33 centuries before checking to see whether “Password” is the magic phrase.
Okay. So what IS the “Search Space Calculator”?
This calculator is designed to help users understand how many passwords can be created from different combinations of character sets (lowercase only, mixed case, with or without digits and special characters, etc.) and password lengths. The calculator then puts the resulting large numbers (with lots of digits or large powers of ten) into a real-world context of the time that would be
required (assuming differing search speeds) to exhaustively search
every password up through that length, assuming the use of the chosen alphabet.
Rich (BB code):
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