Cloning Mifare Classic Cards via Proxmark3

speckx 11 points 1 comment July 24, 2026
blog.muffn.io · View on Hacker News

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jgbuddy

This is a great writeup, I did something similar to sneak into friends dorms in college! Security through obscurity in action, the Crypto-1 algorithm was reverse engineered by literally looking at the hardware implementation on silicon: https://www.usenix.org/legacy/event/sec08/tech/full_papers/n...

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