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coco-research / hardware-security

Use for authorized hardware and embedded interface security research including UART/JTAG discovery, debug pad triage, secure boot overview, and offline firmware extraction support.

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SKILL.md
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Hardware / Embedded Interface Security

适用场景

  • UART / JTAG / SWD 调试口发现
  • 启动日志、root shell、引导打断
  • 配合拆机提取 Flash
  • 安全启动/加密 Flash 的可行性评估（非破坏性优先）

工作流

□ 拆解授权设备；拍照标注测试点
□ 万用表找 GND/VCC/TX/RX；逻辑电平 1.8/3.3/5V
□ USB-TTL 只读日志；记录波特率
□ JTAG：枚举 IDCODE；评估是否锁定
□ 提取镜像 → 交接 firmware-pentest / ghidra

工具链

工具用途
USB-TTL / logic analyzerUART
J-Link / CMSIS-DAP调试
bus pirate / flipper（实验室）多协议
binwalk / flashrom提取

参考

  • references/debug-interface-triage.md
  • ../firmware-pentest/ ../ot-ics/