Re: Secure Password Policy?

["Marek Isalski" <Marek.Isalski () smuht nwest nhs uk>]

> Next step is to determine how many bits of entropy (B) are in each
> character and the length of the password can be calculated:
>
>  L = log(S)/B

For secure passphrases, using things like www.diceware.com might be a consideration.  It does away with per-letter 
entropy calculations and lets you securely build a passphrase with an almost precisely known entropy.

Regards,

Marek


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