Illustrated DES Spreadsheet

[james hughes]

For anyone wondering, or teaching about DES, or interested in perverse 
uses for spreadsheets, I have created an "Illustrated DES spreadsheet". 
This is a vanilla spreadsheet (no VB or anything exotic) and should 
work on many excel and excel workalikes.
	http://www.stortek.com/hughes/illustratedDES.xls

Acknowledgements for this work goes to J. Orlin Grabbe for his The DES 
Algorithm Illustrated which can be found at
	http://www.aci.net/kalliste/des.htm

I have also stole many tricks including how to do XOR in generic excel 
which I can not find again to give proper credit. I haven't run this 
through the FIPS 140-2 level 1 test suite (but this could easily be 
certified :-)

Anyone interested in making one for MD-5?
Enjoy
jim
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