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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.

Published by zhaoxuya520 ↗zhaoxuya520/reverse-skill

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hardware-security

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Use hardware-security to inspect the authorized, user-owned [device] non-destructively: identify and map its UART debug pads, record voltage levels and boot-log parameters, and deliver a pinout diagram plus a hashed evidence checklist.

Required inputs

  • [device]

User-approved starter prompt based on a pinned source version; check current skill requirements before running. Task evidence ↗

SKILL.md

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

Hardware / Embedded Interface Security

ACTION REQUIRED（读完后立刻执行）

  1. NOW: 确认物理接触授权与设备归属
  2. NOW: ESD/电源安全；默认只读探测
  3. NEXT: 联合 firmware-pentest 做镜像分析
  4. ACT: 外壳与调试接口识别 → consoles → 提取

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/

路由上下文

上游: MASTER R34
MUST NOT: 未授权拆机/损坏他人设备

任务完成自检

  • 是否记录接口电平与引脚图？
  • 镜像是否哈希保全？
  • Checklist？