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| Problems? Is your data what you think it is? | |
| PerlMonks |
Re: Password Popup helpby Ryszard (Priest) |
| on May 16, 2004 at 09:10 UTC ( #353753=note: print w/replies, xml ) | Need Help?? |
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There is a (un)surprisingly common check digit algorithm you can use. Bit longer than 6 tho' :-) You can even use something ready made.
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