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A '''substitution cipher''' is a very simple (and easily broken) cipher in which every letter of the alphabet is replaced by a different letter. For example, each letter might be replaced by the letter below it:
A '''substitution cipher''' is a very simple (and easily broken) cipher in which every letter of the [[alphabet]] is replaced by a different letter. For example, each letter might be replaced by the letter below it:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
E F G H I J K L M N O P Q R S T U V W X Y Z A B C D
E F G H I J K L M N O P Q R S T U V W X Y Z A B C D
Logically, this does not make the substitution cipher any harder to break, but it may make it ''look'' more puzzling, or even disguise the fact that a secret message has been encrypted.
Logically, this does not make the substitution cipher any harder to break, but it may make it ''look'' more puzzling, or even disguise the fact that a secret message has been encrypted.
[[category:language]]
==See also==
* [[Cryptography]]
[[Category:Language]]
[[Category:Cryptography]]