>>>>>> http://wiki.postgresql.org/wiki/Pseudo_encrypt
>> That's a nice starting point.
>> I should apply that function twice for each 32-bit chunk of a
>> 64-bit BIGINT and then merge the results into a single BIGINT ...
>> Boring but doable!
>
> Hum, not sure. If I understand correctly, you won't be able to get the
> original int64 from the generated one.

Why should I bother?

> Better rewrite the function for 2^64 isn't it ?

Sure!.

-- 
Vincenzo Romano
NotOrAnd Information Technologies
NON QVIETIS MARIBVS NAVTA PERITVS

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