block-cipher

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jamestiotio / fcs

SUTD 2021 50.042 Foundations of Cybersecurity Code Dump

security encryption aes cipher rsa md5 cybersecurity modular-arithmetic ctf diffie-hellman rainbow-table frequency-analysis abstract-algebra shift-cipher present block-cipher dhke sutd gf2

Updated May 21, 2024
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Interactive AES encryption demo: encrypt Linux Tux with ECB vs GCM, decrypt with wrong keys, flip ciphertext bits, visualize duplicate blocks. Learn why ECB is broken, how padding oracle attacks killed CBC, and why TLS 1.3 mandates GCM. Free educational tool — zero dependencies, pure WebCrypto.

tls cryptography aes cybersecurity aes-gcm aes-encryption web-crypto block-cipher ecb-mode padding-oracle bit-flip-attack security-education gcm-mode encryption-demo ecb-penguin

Updated Apr 10, 2026
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hshekhar0 / symmetry_encryption

Star

Learn how the same secret key encrypts and decrypts data — the foundation of modern cryptography

block-cipher stream-ciphers modes-of-block-cipher

Updated May 18, 2026
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