1							13
																15
			2
11
		3
															4
		12												14
5
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7
8
		9
	10

Across

1. A cryptanalysis technique that involves analyzing the frequency of letters or characters in ciphertext to identify patterns

2. The total number of possible keys that can be used by a cipher

3. The size or length of the key used by a cipher

4. The encrypted message produced by applying a cipher to plaintext

5. A cipher that rearranges the order of the plaintext without changing the actual letters or characters

6. A set of rules or steps that describe how to solve a problem or perform a task

7. Communication that is encrypted and protected from unauthorized access

8. The process of converting ciphertext into plaintext using a cipher

9. The original message before being encrypted by a cipher

10. A cryptanalysis technique that involves trying every possible key to break a cipher

Down

11. The process of converting plaintext into ciphertext using a cipher

12. A transposition cipher that rearranges plaintext by writing it in a zigzag pattern over a predetermined number of rows before reading off the ciphertext from the columns.

13. The practice of analyzing and breaking codes and ciphers

14. A pattern that moves in a back-and-forth motion like a zigzag

15. A cipher that encrypts a block of plaintext at a time and produces a corresponding block of ciphertext

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