!!! Overview [{$pagename}] is one of the earliest known and simplest [ciphers] and is a type of [Substitution Cipher] in which each letter in the plaintext is 'shifted' a certain number of places down the alphabet. [{$pagename}] offers essentially no communication [security], and can be shown that it can be easily broken by hand. [ROT13] "[encryption]" is simply a [{$pagename}] with an offset of 13. !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }]