PIN generator for `com.samsung.rtlassistant` (RTLAssistant, Version 1.3.6)

unscramble-rtlassistant-pin.c

#include <stdio.h>

// PIN generator for com.samsung.rtlassistant (RTLAssistant used for Samsung's remote test lab service)
// -> This program produces PIN: 37626543

int main()
{
   	// Extracted from libcheckPin.so using Ghidra. Search for a named global called 'pin'. The pin is stored as ASCII, but I already converted it to a byte array with the actual numbers. (0x30 -> 0, 0x31 -> 1, ...)
  	// The pin is scrambled from the algorithm below.
  	char pin[] = {6, 4, 0, 7, 5, 3, 7, 7, 9, 6, 2, 6, 3, 5, 4, 3, 6, 6, 9, 8};

	unsigned int uVar4 = 0;
	while ((uVar4 - 0x10 < 0xfffffff5 ||
	        ((uVar4 < 0xd && ((1 << (unsigned long)(uVar4 & 0x1f) & 0x1140U) != 0))))) {
		uVar4 = uVar4 + 1;
	}

	printf("%u\n", pin[uVar4]);

	while ((uVar4 - 0xf < 0xfffffff5 ||
	        ((uVar4 < 0xc && ((1 << (unsigned long)(uVar4 & 0x1f) & 0x8a0U) != 0))))) {
		uVar4 = uVar4 + 1;
	}

	printf("%u\n", pin[uVar4 + 1]);

	uVar4 = uVar4 + 2;
	while ((uVar4 - 0x10 < 0xfffffff5 ||
	        ((uVar4 < 0xd && ((1 << (unsigned long)(uVar4 & 0x1f) & 0x1140U) != 0))))) {
		uVar4 = uVar4 + 1;
	}

	printf("%u\n", pin[uVar4]);

	while ((uVar4 - 0xf < 0xfffffff5 ||
	        ((uVar4 < 0xc && ((1 << (unsigned long)(uVar4 & 0x1f) & 0x8a0U) != 0))))) {
		uVar4 = uVar4 + 1;
	}

	printf("%u\n", pin[uVar4 + 1]);

	uVar4 = uVar4 + 2;
	while ((uVar4 - 0x10 < 0xfffffff5 ||
	        ((uVar4 < 0xd && ((1 << (unsigned long)(uVar4 & 0x1f) & 0x1140U) != 0))))) {
		uVar4 = uVar4 + 1;
	}

	printf("%u\n", pin[uVar4]);

	while ((uVar4 - 0xf < 0xfffffff5 ||
	        ((uVar4 < 0xc && ((1 << (unsigned long)(uVar4 & 0x1f) & 0x8a0U) != 0))))) {
		uVar4 = uVar4 + 1;
	}

	printf("%u\n", pin[uVar4 + 1]);

	uVar4 = uVar4 + 2;
	while ((uVar4 - 0x10 < 0xfffffff5 ||
	        ((uVar4 < 0xd && ((1 << (unsigned long)(uVar4 & 0x1f) & 0x1140U) != 0))))) {
		uVar4 = uVar4 + 1;
	}

    	printf("%u\n", pin[uVar4]);

	while ((uVar4 - 0xf < 0xfffffff5 ||
	        ((uVar4 < 0xc && ((1 << (unsigned long)(uVar4 & 0x1f) & 0x8a0U) != 0))))) {
		uVar4 = uVar4 + 1;
	}

	printf("%u\n", pin[uVar4 + 1]);


	return 0;
}