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Browser-based AES modes demo — ECB, CBC, CTR, GCM, and CCM with live padding oracle attack. Real WebCrypto operations, ECB penguin visualization, Bleichenbacher oracle, and authenticated encryption breakdown. No backends. No simulated math.
Browser-based national cipher demo — Camellia (Japan), ARIA (South Korea), SM4 (China), and Kuznyechik (Russia) side by side with AES. Encrypt/decrypt playgrounds, S-box analysis, and geopolitical compliance context.