Across
- 4. Reverses letters of an alphabet
- 6. Reconstruct the diagonal grid used to encrypt the message
Down
- 1. The substitution alphabet is replaced with the fixed one
- 2. Construct a key square that aids in decrypting the encoded message
- 3. Shift alphabets according to a number
- 5. Replace each cipher text letter with the integer that represents it to get the sequence