block-cipher

Here are 5 public repositories matching this topic...

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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MuhammadAyanSajid / IS-Lab-Project

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A cyberpunk-themed secure file vault implementing a custom 128-bit G-DES block cipher integrated with robust Role-Based and Discretionary Access Control (RBAC + DAC). Built with Flask for an Information Security Lab project.

python flask cryptography cybersecurity rbac information-security access-control cyberpunk block-cipher

Updated Jun 23, 2026
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hshekhar0 / symmetry_encryption

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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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adhamhaithameid / rc5-avr-asm

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RC5-16/8/12 block cipher (Rivest, 1994) written from scratch in AVR assembly for ATmega328P — key expansion, encryption, decryption — verified bit-exactly against a Python reference on cycle-accurate simavr.

avr cryptography embedded encryption assembly atmega328p rc5 simavr block-cipher

Updated Aug 25, 2026
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SecurityRonin / ecb-penguin

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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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