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This playbook provides expert-level techniques for cryptanalysis of symmetric encryption. It details how to exploit weaknesses in various modes and algorithms, including CBC padding oracle attacks, ECB mode exploitation, bit flipping attacks, stream cipher key reuse, and meet-in-the-middle attacks. Essential for authorized penetration testing and CTF challenges.

A systematic methodology for performing offensive cryptographic analysis. This skill focuses on identifying and exploiting flaws arising from the misuse of cryptographic primitives in real-world applications, rather than breaking the underlying math. Techniques covered include Padding Oracle Attacks (CBC), ECB block manipulation, Hash Length Extension, RSA weaknesses, and PRNG exploitation. Ideal for penetration testing and deep security auditing.