A) At least 8 char not more than 20

1) A lower case

2) A upper case

3) A numeric

4) A special

Must pass rule (A) and any 2 of the numbered rules

Pass Fail | |

H = Strength in bits | |

N = number of posible symbols | |

L = number of symbols used |

Brute force strength in

where N is the number of possible symbols and L is the number of symbols in the password

The weakest password we allow is "aaaaaaa0" which scores a 10

The strongest we allow is "!1Quickbrownfxjmpedv" which scores a 131