To understand how encryption works I did a small Caesar Cipher code in python, check it out. But Caesar Cipher only shifts letters around by n number of places, so its not very secure, to prove it I coded a message with my python script to try to challenge you, the reader, to try to decoded:
The coded message is: qzodkbfuaz ue hqdk uybadfmzf fa wqqb kagd uzradymfuaz bdafqofqp rday efdmzsqde
The spaces in the words can be a dead giveaway, leave a comment if you could figure it out. You can potentially use my script to try to crack the code.
In real life the encrypting methods aren't so simple. Most common used method to encrypt our messages is by the Public & Private Key Cryptography method. The people at Computerphile made a quite detailed video explaining how it works.
Encryption and cryptography protects our data from any third party trying to use it for any sort of reason. When a third party, an attacker, is reading the messages that are being sent through a channel like the internet, thats called a Man in the middle attack. If messages are encrypted the attacker will only be able to read a bunch of random letters and symbols, thats why it has to be hard to decode.
So try to figure out if your data is being protected by encryption.
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