There is no limit on the length of a passphrase,

[Eric Anopolsky]

On Wed, 2008-10-22 at 01:00 +0200, Morton D. Trace wrote:
> Measuring the strength of a randomly selected password
> 
> 
> Dear list readers I just found this article.
> 
> http://www.redkestrel.co.uk/Articles/RandomPasswordStrength.html
> 
> 
> Measuring the strength of a randomly selected password
> 
> 
> Calculating the entropy of a password is here well explained,
> I don't know if it is mathematically correct,
> no proof is delivered, but it is easy to understand.

This is correct. I am a mathematician. :)

However, the key (no pun intended) is that each character has to be
truly randomly selected or you will end up with much less entropy per
character.

Cheers,
Eric

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