Intermediate • Symmetric Cryptography

Modern Symmetric Encryption

Delve into industrial-grade symmetric encryption. Understand Substitution-Permutation Networks (SPN), Feistel structures, AES S-Box transformations, and modes of operation like CBC, CTR, and GCM.

Symmetric Specialist

Understood AES block transformations and authenticated encryption modes.

Path Completion0%

Curriculum Lessons (2)

Block Ciphers & Advanced Encryption Standard (AES)

30 mins

Explore SubBytes, ShiftRows, MixColumns, AddRoundKey, and S-Box non-linearity.

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Cipher Modes of Operation (ECB, CBC, CTR, GCM)

30 mins

Learn why ECB leaks patterns and why Authenticated Encryption (GCM) is essential.

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