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Showing posts from August, 2024

The Substitute

Solution from Last Time: In our last post, we used the Caesar Cipher with a shift of three to decode the following message: K H O O R D Q G Z H O F R P H W R F R G H E U H D N L Q J Applying a shift of three places to the left, the hidden message was: “HELLO AND WELCOME TO CODE BREAKER” Great job to everyone who cracked the code! Today's Cipher Challenge: We’re exploring a new puzzle today with the   Substitution Cipher , a method where each letter in the plaintext is replaced with another letter from a fixed substitution alphabet. The Encrypted Message: Z B W F Y X R L D K V O E P J N I Q C A M U H G T S Background: In the Substitution Cipher, each letter in the plaintext is substituted with a letter from a fixed, randomly shuffled alphabet. For this challenge, we’re using the following substitution alphabet: Plaintext Alphabet:   ABCDEFGHIJKLMNOPQRSTUVWXYZ Substitution Alphabet:   XPMGJWLZVNTSBDFHCRQOIEAKUY Decoding Instructions: Identify the Substitution Alphabet: ...