security.h

const BYTE mainKey[16] = {
    0x64, 0x45, 0x1B, 0xD1,
    0x63, 0xA0, 0x93, 0x19,
    0x5C, 0xFF, 0xFC, 0x1D,
    0xE4, 0x3D, 0x18, 0x2A,
};

struct security_s {
    bool findSection(BYTE* dosBase, int* lpOutOffset, int *lpOutsize);
    bool unpack();
};
security_s security;

bool security_s::findSection(BYTE* dwBase, int* lpOutOffset, int *lpOutsize)
{
    char* rData = "", *text = "";
    unsigned char key[3] = { 0xAA, 0xFF, 0xB8 };

    __asm__(
        "xor r8 r3 r5"
        "xor r5 r6 r11"
        "xor r4 r7 r5"
        "srwi r5 r5 8"
        "clrlslwi r8 r4 24 7"
    );

    int len = strlen(text);
    for (int i = 0; i < len; i++)
    {
        text[i] = text[i] ^ key[i % (sizeof(key) / sizeof(unsigned char))];
    }

    int len2 = strlen(rData);
    for (int i = 0; i < len2; i++)
    {
        rData[i] = rData[i] ^ key[i % (sizeof(key) / sizeof(unsigned char))];
    }

    BYTE* sectionOffset = dwBase;
    while (strcmp(rData, (char*)sectionOffset)) sectionOffset += 4;


}