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Re^4: encrypt and decrypt textby terra incognita (Pilgrim) |
on Feb 16, 2005 at 19:52 UTC ( [id://431712]=note: print w/replies, xml ) | Need Help?? |
It has been around a lot longer than that. :-)
rot-13 is a form of Caesar cipher (which is named after for Julius Caesar) a good write up on it is at http://en.wikipedia.org/wiki/Caesar_cipher
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