> 
> Also, be aware that BCrypt only uses the first 72 characters of the 
> password field. So if you use a hex encoded sha512 output, a good deal 
> of entropy would be lost (almost half of it)...
> 

Good to know, do most hash algorithms have limitations on the # of chars as
input?

That would explain why (password || key) into a hash function has
limitations.




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