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Across

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

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

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

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

5. A graphical representation used to represent something else, such as a letter or number in a cipher.

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

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

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

Down

9. A method of encoding information so that it can only be accessed by authorized parties.

10. The practice of securing communication from unauthorized access.

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

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

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

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

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

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

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