> On 30 Sep 2015, at 18:33, John O'Conner <[email protected]> wrote:
> 
> Can you recommend any documents to help me understand potential issues (if 
> any) for password policies and validation methods that allow characters from 
> more "exotic" portions of the Unicode space?

On UNIX computers, one computes a hash (like SHA-256), which is then used to 
authenticate the password up to a high probability. The hash is stored in the 
open, but it is not known how to compute the password from the hash, so knowing 
the hash does not easily allow authentication.

So if the password is encoded in say UTF-8 and then hashed, it would seem to 
take care of most problems.



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