mirror of
https://github.com/mytechnotalent/Embedded-Hacking.git
synced 2026-10-01 13:40:32 +02:00
Kevin Thomas
35eacd2c0e
- 0x0011a_cb (Operation Dark Vector): nation-state CTF redesign with an AES-128-ECB sealed target and a plaintext launch origin; RP2350 firmware with bearing-driven servo, tri-color LEDs, GSV stats, and a realistic no-fix path - docs: story-driven classified brief, GDB and Ghidra tutorials with deep step-throughs, regenerated artifacts and PDFs - scripts: docstring standard, AES per-student randomizer, telemetry monitor - week 3 to week 5 lessons: Ghidra patching tutorial, CMSIS-SVD hardware RE, double floating-point and GPIO architecture chapters, README structure
24 lines
637 B
C
24 lines
637 B
C
#include <stdio.h>
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#include "pico/stdlib.h"
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int main()
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{
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stdio_init_all();
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while (true) {
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__asm volatile(
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// Save a low register and the link register.
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"push {r4, lr}\n"
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// Intentionally unordered: the encoded list is still r2, r3, r6.
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"push {r3, r2, r6}\n"
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// Thumb PUSH cannot encode high registers r8-r12.
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"stmdb sp!, {r9, r10}\n"
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// Restore each group in reverse order to return SP to its start.
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"ldmia sp!, {r9, r10}\n"
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"pop {r2, r3, r6}\n"
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"pop {r4, lr}\n"
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::: "memory");
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}
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}
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