Newbie with potential ECC protection

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Newbie with potential ECC protection

09-15-2017, 06:37

psgama

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I solved it.

*SPOILER ALERT* FOR THOSE WHO WISH TO TAKE A CRACK AT IT.

I broke the equation down to the factors that made sense and worked out the patterns from there. In Excel if A2 contained the DevID the serial number would equal

Code:

*****SPOILER ALERT******
=((10000+(RIGHT(A2,1)+3)+((LEFT(RIGHT(A2,2),1)+7)*10)+((LEFT(RIGHT(A2,3),1)-3)*100))*857)+660

A complex problem broken down into patterns of numbers based on an input / output table of 10 original pairs. I'm feeling pretty darn good right now!

Last edited by psgama; 09-18-2017 at 01:52.

The Following 4 Users Say Thank You to psgama For This Useful Post:
bolo2002 (09-15-2017), niculaita (09-17-2017), silver (09-15-2017), tonyweb (09-15-2017)

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