Tagiot
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5-Min Tutorial: Gaining Root via UART
Connecting to a TP-Link WR841N router over UART with the Attify Badge — identifying GND/VCC/TX/RX, scanning for the baud rate with devttys0's baudrate.py, and dropping into a root shell, plus notes on TP-Link weakening hardware security between versions.
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5-Min Tutorial: Lifting Firmware with the Bus Pirate
Opening a TP-Link WR841N router, wiring its W25Q32.V EEPROM to a Bus Pirate over SPI, dumping the firmware with flashrom, and extracting the embedded Linux filesystem with binwalk.
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Survey of Cryptographic Implementations and Vulnerabilities on Passive RFID Devices
A 20-page survey paper (UCSB) on the cryptography of passive RFID tags — system and adversary models, the attack landscape, the famous Mifare and DST breaks, and mitigation strategies — rebuilt from the original LaTeX, led in by the post's own plain-English "quick version."
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