From 96866aebd2e7d69ea3d3e3862df8abbd4c2e30c1 Mon Sep 17 00:00:00 2001 From: Matthew Ellison Date: Mon, 30 Apr 2018 01:08:02 -0400 Subject: [PATCH] U[dated to include Vigenere Cipher --- README.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/README.md b/README.md index 7aef007..32004d3 100644 --- a/README.md +++ b/README.md @@ -7,6 +7,11 @@ Because of how simple these ciphers are they will likely not be of any use if yo This cipher is very easy to learn and simple to encode or decode. It just shifts the letters a certain number of spaces, i.e. for a shift of 3 a=d & x=a +#Vigenere Cipher +This cipher is more complicated than a simple Caesar cipher. +It uses an array of Caesar ciphers and cycles between them based on a key. +This makes it more secure, but if you are not carful in your message or have a short key it will still output recognizable paterns that can be easily broken. + #Playfair Cipher This cipher is a little more complex. It uses a key to create a grid of letters that is then used to encode 2 letters at a time. It is a simple form of 16-bit encryption.