This project demonstrates secure data transmission using the Affine Cipher for encryption, Hamming Code for error detection and correction, and NRZ (Non-Return-to ...

then enciphers fixed-size blocks of Morse code back to letters. This procedure means plaintext letters are mixed into the ciphertext letters, making it more secure than substitution ciphers.

For 12-year-old Benjamin Coolahan, it feels like just yesterday he was enjoying life in 1873’s Boston, sailing on the Charles River with friends while his father worked in the Coolahan Gold Mine.

Here’s what you need to do: Using the Captain’s Code, JÖGM, examine the code wheels for these letters and place them into the cipher machine in this order.The wheel with a ‘J’ on it goes ...

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