David H Wild wrote: > In article <[EMAIL PROTECTED]>, > Steven D'Aprano <[EMAIL PROTECTED]> wrote: >>> I really don't recommend the ROT13 cipher, as this is extremely easy to >>> crack. Most grade school kids could break this one in seconds. ;-) > > >> I think you missed the point. Any recommendation to use ROT13 is likely >> to be a joke. A recommendation to use Triple ROT13 is *absolutely* a >> joke. > > ROT13 does have a legitimate use, but it's not as a cypher. It is really > the equivalent of the newspaper quiz where the answers are upside down at > the bottom of the page. By doing this you stop seeing the answers too > early. > Of course, but ROT13 ^ (2n*1) is equivalent to ROT13 for all positive integer n. Hence the confident assertion that "A recommendation to use Triple ROT13 is *absolutely* a joke".
regards Steve -- Steve Holden +1 571 484 6266 +1 800 494 3119 Holden Web LLC http://www.holdenweb.com/ -- http://mail.python.org/mailman/listinfo/python-list
