Chapter 4 of 4 · Cryptography 100%

🔍 Malware hides its C2 domain behind a one-byte XOR. 256 guesses and it spills. Can you read what the author swore nobody could?

The one-time pad is unbreakable, until the key repeats. Then 256 guesses or xortool peel it open. Learn single-byte brute force, key-length by Hamming distance, and crib dragging, the exact moves of malware triage. 🧩

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5
Hash functions and collisions
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6
Block cipher modes
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7
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8
RSA attacks
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9
Key exchange and randomness
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10
Cryptography in the wild
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