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Across

1. The process of analyzing encrypted information to decipher the original message or data.

2. The process of converting ciphertext back into plaintext using a cryptographic algorithm and a key.

3. The original message or data that is to be encrypted.

4. The set of symbols used in a cipher to represent plaintext letters.

5. The practice of using the same key repeatedly in a cipher.

6. The process of converting plaintext into ciphertext using a cryptographic algorithm and a key.

7. A substitution cipher in which the symbol used to replace a letter varies depending on its position in the plaintext.

8. The practice of securing communication from unauthorized access.

9. A substitution cipher in which each letter is replaced with a single, fixed symbol throughout the ciphertext.

Down

10. The encrypted message or data that is the result of an encryption process.

11. A sequence of steps or instructions used to solve a problem or perform a task.

12. Also known as the Masonic Cipher, it is a substitution cipher used in cryptography that replaces letters with symbols and shapes.

13. A cipher that replaces each letter in the plaintext with a different letter, symbol, or number in the ciphertext.

14. The length of the key used in a cipher, typically measured in bits.

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