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ROT13: Difference between revisions

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{{Short description|Simple encryption method}}
{{Use dmy dates|date=February 2022}}
[[File:ROT13_table_with_example.svg|right|frameless]]
[[Image:ROT13 table with example.svg|right|thumbnail|320px|ROT13 replaces each letter by its partner 13 characters further along the alphabet. For example, <kbd>HELLO</kbd> becomes <kbd>URYYB</kbd> (or, conversely, <kbd>URYYB</kbd> becomes <kbd>HELLO</kbd> again).]]
'''ROT13''' ("'''rotate by 13 places'''", sometimes hyphenated '''ROT-13''') is a simple letter [[substitution cipher]] that replaces a letter with the 13th letter after it in the alphabet. ROT13 is a special case of the [[Caesar cipher]] which was developed in ancient Rome.