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Re: Password

Posted By: toh
Date: 20 June 2001, 18:31

In Response To: Re: Password (Claude Errera)

> Pretty straightforward, actually.

Or, um, straightbackward. Actually. ;)

(groan)

> Then, instead of ROTting the result 7 forward, ROT it 7 backwards - so Z,
> for example, would ROT to H (it started at A), S would ROT to O (it
> started at H), etc.

Z actually shifts to G (A would be shifted by one), and so on (note that 3of9's page also reports the shift off-by-one). Another way to do it is to put the letters back in a normal A-Z alphabet before ROTing them: 


19 H 13 N 14 M 22 E 25 B 20 G 03 X

becomes

08 14 13 05 02 07 24

That way you can put them through a normal ROT shift like the one on 3of9's page, which is how I checked my results.

I also have a trick where I do these sorts of cyphers in BBEdit, by entering the alphabet on a few lines as follows: 


1234567890123456789012345612345678901234567890123456

ZYXWVUTSRQPONMLKJIHGFEDCBAZYXWVUTSRQPONMLKJIHGFEDCBA

-------ZYXWVUTSRQPONMLKJIHGFEDCBAZYXWVUTSRQPONMLKJIHGFEDCBA

Browsers will probably screw up the spacing despite the <pre> tags, but you get the idea.

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