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Comprehensive collection of CTF challenges, solutions, and insights.


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WHAMazon! Crypto 4 - Sticky Note Security

Identifying a human-readable AES key from challenge lore, then decrypting by recognizing that a rushed engineer reused it as the IV.

WHAMazon! Crypto 1 - Workers are Exhausted

Identifying hex-encoded XOR ciphertext and brute-forcing the single-byte key using a known-plaintext crib from the flag format.