Across
- 5. Number of positions to move each letter
- 6. First name of the Roman general who used this cipher
- 8. Another name for the shifting technique used
- 9. Reverse the encryption process
Down
- 1. Type of cipher that replaces letters with other letters
- 2. The original unencoded message
- 3. The 26 letters used in English encoding
- 4. Process of converting plaintext to ciphertext
- 7. The number that determines how far to shift
