Symmetric Encryption
Caesar Shift Table
Frequency Analysis
Brute Force Attack

Can you crack this Ceasar Shift Cipher:
nwcz akwzm ivl amdmv gmiza iow wcz nibpmza jzwcopb nwzbp cxwv bpqa kwvbqvmvb


Vigenere Table
Vigenere Demo

Can you crack this Vigenère Cipher:
vhvirvgnwkecfsfhvztgzpircrveacnieimvjodg


Maybe this will help some. https://www.youtube.com/watch?v=9zASwVoshiM