Question

Substitution Cipher Ke 1. Decipher the following ciphertext using the substitution cipher key shown above: (4 points) Ciphertext: DOVMYWOJAYJMYWZBAOXOADY!U I Plaintext: The following information was extracted from The BLACK Chamber's Pigpen Cipher page. The content is available at https:/simonsingh net The_Black Chamber'pigpen html. "The Pigpen Cipher was used by Freemasons in the l8th Century to keep their records private. The cipher does not substitute one letter for another; rather it substitutes each letter for a symbol The aiphabet is written in the grids shown, and then each letter is enciphered by replacing it with a symbol portion of the pigpen grid that contains the letter." The key is UX.XY 2. You have received the following pigpen ciphertext: Decipher the ciphertext. (3points) Plaintext 3. The plaintext extracted in exercise 2 is ciphertext encrypted using a substitution cipher, whose key is shown at the top of the page. What is the original message? (3 points) Ciphertext: Original message

Answer 1

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