Show me the steps to solve

Part $1$: Encrypt and Decrypt Messages $(10$ minutes$)$

Activity $1$: Symmetric Key Encryption

Step $1$: Open cryptographic tool of choice $($CyberChef$,$ Cryptii, etc.$).$

Step $2$: Use the tool to encrypt a message using a symmetric key algorithm $($e$.$g$.$ ROT$13$ Cipher$).$

Message: $$Meet me at the park at noon.$$

Key: Choose a simple key, $0-25,$ such as $3$ for Caesar Cipher or a single character for ROT$13.$

Step $3$: Record the resulting ciphertext.

Step $4$: Share the ciphertext with a partner and decrypt it using the same key.

Reflect: What are the limitations of symmetric key encryption. What potential key management issues could be identified if the key is exposed.

Part $2$: CyberChef with National Cyber League Challenges $(33$ minutes$)$

CyberChef w$/$NCL Video

Cyber Chef $-$ Cracking Crypto with CyberChefLinks to an external site.

Reflect: How does the use of CyberChef in cryptographic analysis enhance our understanding of cybersecurity, and what does this reveal about the importance of tool accessibility and user expertise in the field?"