all_keys.c

#include <stdio.h>
#include <stdint.h>
#include <string.h>

/* the keys are ecoded as arrays of bit indices to set. the result
string is treated as a big integer */

/* only key6 is actually used, the others use bit arrays that
overlap with eachother in the game's memory so they're probably
only there for obfuscation */

/* thanks t.me/Dennis653 for cleaning the bitset stuff up */

#define SETBIT(buf, i) (buf)[(i)/32] |= 1<<(i%32)
#define ARRAYLEN(arr) (sizeof(arr) / sizeof((arr)[0]))

static
void gen_key1(char* dst)
{
    static const uint16_t bits[1050] = {
        0x07D1, 0x0331, 0x0031, 0x0491, 0x05B1, 0x0671, 0x0271,
        0x0631, 0x0211, 0x04D1, 0x03B1, 0x0551, 0x0011, 0x03F1,
        0x0691, 0x03D1, 0x06D1, 0x0391, 0x07F1, 0x0291, 0x04F1,
        0x0251, 0x0791, 0x0411, 0x0151, 0x02F1, 0x0371, 0x05D1,
        0x00B1, 0x04B1, 0x07B1, 0x00F1, 0x0511, 0x01D0, 0x07D0,
        0x0330, 0x0030, 0x0750, 0x05B0, 0x0670, 0x04D0, 0x03B0,
        0x0550, 0x0450, 0x0690, 0x03D0, 0x02D0, 0x06D0, 0x0390,
        0x0290, 0x0310, 0x04F0, 0x0430, 0x0790, 0x0150, 0x02F0,
        0x0470, 0x00B0, 0x0070, 0x0610, 0x0530, 0x0350, 0x0510,
        0x07CF, 0x002F, 0x048F, 0x012F, 0x010F, 0x05AF, 0x066F,
        0x026F, 0x062F, 0x03AF, 0x000F, 0x02CF, 0x06CF, 0x038F,
        0x058F, 0x07EF, 0x030F, 0x04EF, 0x042F, 0x022F, 0x02EF,
        0x00AF, 0x006F, 0x04AF, 0x06AF, 0x07AF, 0x00EF, 0x016F,
        0x072F, 0x01CE, 0x07CE, 0x048E, 0x074E, 0x012E, 0x01AE,
        0x026E, 0x062E, 0x070E, 0x04CE, 0x044E, 0x03EE, 0x068E,
        0x02CE, 0x06CE, 0x004E, 0x038E, 0x058E, 0x07EE, 0x030E,
        0x042E, 0x024E, 0x078E, 0x014E, 0x02EE, 0x05CE, 0x00AE,
        0x00CE, 0x006E, 0x06EE, 0x04AE, 0x06AE, 0x07AE, 0x016E,
        0x050E, 0x072E, 0x05EE, 0x002D, 0x048D, 0x012D, 0x01AD,
        0x066D, 0x062D, 0x020D, 0x070D, 0x03AD, 0x054D, 0x000D,
        0x044D, 0x02CD, 0x06CD, 0x004D, 0x038D, 0x04ED, 0x042D,
        0x022D, 0x078D, 0x040D, 0x02ED, 0x064D, 0x05CD, 0x046D,
        0x060D, 0x052D, 0x07AD, 0x050D, 0x072D, 0x076C, 0x07CC,
        0x002C, 0x056C, 0x012C, 0x010C, 0x05AC, 0x01AC, 0x018C,
        0x062C, 0x070C, 0x054C, 0x068C, 0x06CC, 0x004C, 0x058C,
        0x07EC, 0x028C, 0x04EC, 0x042C, 0x024C, 0x022C, 0x078C,
        0x040C, 0x014C, 0x02EC, 0x036C, 0x05CC, 0x046C, 0x02AC,
        0x06EC, 0x07AC, 0x00EC, 0x016C, 0x050C, 0x05EC, 0x01EB,
        0x056B, 0x048B, 0x010B, 0x008B, 0x05AB, 0x062B, 0x070B,
        0x04CB, 0x03EB, 0x068B, 0x038B, 0x030B, 0x04EB, 0x024B,
        0x078B, 0x040B, 0x014B, 0x02EB, 0x05CB, 0x046B, 0x006B,
        0x06EB, 0x04AB, 0x06AB, 0x034B, 0x050B, 0x032A, 0x002A,
        0x056A, 0x012A, 0x008A, 0x026A, 0x062A, 0x020A, 0x070A,
        0x000A, 0x03EA, 0x02CA, 0x06CA, 0x030A, 0x04EA, 0x042A,
        0x078A, 0x036A, 0x05CA, 0x00AA, 0x00CA, 0x006A, 0x02AA,
        0x052A, 0x06EA, 0x04AA, 0x06AA, 0x00EA, 0x016A, 0x034A,
        0x050A, 0x072A, 0x05EA, 0x01C9, 0x07C9, 0x0329, 0x0029,
        0x0489, 0x0749, 0x0129, 0x0089, 0x0269, 0x0629, 0x0709,
        0x04C9, 0x03A9, 0x03C9, 0x02C9, 0x07E9, 0x0429, 0x0249,
        0x0229, 0x0789, 0x0149, 0x02E9, 0x0649, 0x00A9, 0x00C9,
        0x0069, 0x0609, 0x0529, 0x04A9, 0x07A9, 0x0169, 0x0509,
        0x0729, 0x05E9, 0x0768, 0x01C8, 0x0328, 0x0028, 0x0568,
        0x0748, 0x0128, 0x0088, 0x05A8, 0x01A8, 0x0188, 0x0268,
        0x0628, 0x0208, 0x04C8, 0x03A8, 0x0448, 0x0688, 0x0388,
        0x07E8, 0x0308, 0x0228, 0x0408, 0x0148, 0x02E8, 0x0648,
        0x0528, 0x06E8, 0x04A8, 0x00E8, 0x0168, 0x0348, 0x0767,
        0x01C7, 0x07C7, 0x0327, 0x0127, 0x0107, 0x0087, 0x05A7,
        0x01A7, 0x0267, 0x0627, 0x03A7, 0x0547, 0x03E7, 0x0687,
        0x03C7, 0x02C7, 0x0047, 0x07E7, 0x0307, 0x0427, 0x0787,
        0x0147, 0x02E7, 0x0367, 0x0647, 0x05C7, 0x0067, 0x0527,
        0x06E7, 0x04A7, 0x06A7, 0x0167, 0x0347, 0x0507, 0x0727,
        0x0326, 0x0026, 0x0486, 0x0106, 0x05A6, 0x0206, 0x0706,
        0x04C6, 0x03A6, 0x0006, 0x0686, 0x03C6, 0x06C6, 0x0046,
        0x0286, 0x0306, 0x04E6, 0x0246, 0x0226, 0x0406, 0x02E6,
        0x0366, 0x05C6, 0x0066, 0x0606, 0x02A6, 0x0526, 0x06E6,
        0x0506, 0x0726, 0x05E6, 0x0765, 0x07C5, 0x01E5, 0x0125,
        0x0085, 0x05A5, 0x0665, 0x0185, 0x0265, 0x0205, 0x04C5,
        0x03A5, 0x0005, 0x0445, 0x06C5, 0x0585, 0x0305, 0x04E5,
        0x0145, 0x0365, 0x0645, 0x05C5, 0x00A5, 0x0065, 0x0525,
        0x04A5, 0x07A5, 0x0165, 0x0725, 0x05E5, 0x07C4, 0x0324,
        0x0024, 0x0744, 0x0104, 0x01A4, 0x0664, 0x0624, 0x03A4,
        0x0004, 0x03C4, 0x06C4, 0x0044, 0x0584, 0x07E4, 0x0284,
        0x04E4, 0x0244, 0x0144, 0x05C4, 0x00C4, 0x02A4, 0x0524,
        0x06E4, 0x06A4, 0x07A4, 0x0164, 0x01C3, 0x07C3, 0x0123,
        0x0103, 0x0083, 0x0663, 0x0263, 0x0703, 0x03A3, 0x0003,
        0x03E3, 0x03C3, 0x06C3, 0x0043, 0x0583, 0x0283, 0x02E3,
        0x0363, 0x05C3, 0x0463, 0x00A3, 0x0063, 0x0523, 0x04A3,
        0x0163, 0x01C2, 0x0322, 0x0022, 0x0562, 0x0482, 0x0742,
        0x0122, 0x0082, 0x05A2, 0x0622, 0x0702, 0x0542, 0x06C2,
        0x0382, 0x0282, 0x0302, 0x0362, 0x0642, 0x0462, 0x0062,
        0x0602, 0x07A2, 0x0162, 0x0342, 0x0502, 0x05E2, 0x01C1,
        0x07C1, 0x0321, 0x0021, 0x0121, 0x0081, 0x01A1, 0x0181,
        0x0261, 0x0621, 0x0201, 0x0701, 0x0441, 0x03E1, 0x0681,
        0x0041, 0x0301, 0x0781, 0x0401, 0x0641, 0x00A1, 0x00C1,
        0x0061, 0x02A1, 0x0521, 0x06A1, 0x0161, 0x0341, 0x0501,
        0x0760, 0x07C0, 0x01E0, 0x0560, 0x0120, 0x0080, 0x05A0,
        0x01A0, 0x0660, 0x0620, 0x0700, 0x0540, 0x0680, 0x03C0,
        0x02C0, 0x06C0, 0x0040, 0x0380, 0x0580, 0x07E0, 0x0280,
        0x0420, 0x0240, 0x0140, 0x0360, 0x0640, 0x00C0, 0x02A0,
        0x06E0, 0x04A0, 0x07A0, 0x00E0, 0x0340, 0x05E0, 0x01DF,
        0x033F, 0x003F, 0x049F, 0x075F, 0x013F, 0x009F, 0x05BF,
        0x01BF, 0x067F, 0x027F, 0x021F, 0x04DF, 0x03BF, 0x055F,
        0x001F, 0x03FF, 0x02DF, 0x06DF, 0x039F, 0x059F, 0x07FF,
        0x029F, 0x04FF, 0x043F, 0x023F, 0x079F, 0x041F, 0x015F,
        0x02FF, 0x065F, 0x047F, 0x00DF, 0x007F, 0x061F, 0x053F,
        0x06FF, 0x06BF, 0x07BF, 0x00FF, 0x017F, 0x035F, 0x073F,
        0x05FF, 0x077E, 0x033E, 0x003E, 0x01FE, 0x011E, 0x009E,
        0x05BE, 0x01BE, 0x067E, 0x019E, 0x027E, 0x063E, 0x021E,
        0x071E, 0x04DE, 0x03BE, 0x055E, 0x001E, 0x045E, 0x069E,
        0x03DE, 0x02DE, 0x06DE, 0x059E, 0x07FE, 0x029E, 0x023E,
        0x079E, 0x041E, 0x015E, 0x02FE, 0x037E, 0x047E, 0x00BE,
        0x007E, 0x061E, 0x053E, 0x04BE, 0x00FE, 0x035E, 0x073E,
        0x05FE, 0x01DD, 0x07DD, 0x003D, 0x049D, 0x075D, 0x011D,
        0x009D, 0x05BD, 0x01BD, 0x067D, 0x019D, 0x027D, 0x021D,
        0x071D, 0x04DD, 0x03BD, 0x045D, 0x069D, 0x03DD, 0x06DD,
        0x005D, 0x039D, 0x07FD, 0x031D, 0x04FD, 0x025D, 0x079D,
        0x041D, 0x015D, 0x02FD, 0x065D, 0x047D, 0x00DD, 0x061D,
        0x053D, 0x07BD, 0x00FD, 0x035D, 0x051D, 0x073D, 0x009C,
        0x01BC, 0x067C, 0x021C, 0x04DC, 0x03BC, 0x055C, 0x001C,
        0x02DC, 0x06DC, 0x059C, 0x029C, 0x04FC, 0x079C, 0x041C,
        0x015C, 0x05DC, 0x047C, 0x061C, 0x07BC, 0x00FC, 0x035C,
        0x073C, 0x077B, 0x07DB, 0x003B, 0x01FB, 0x013B, 0x011B,
        0x01BB, 0x067B, 0x019B, 0x027B, 0x071B, 0x03BB, 0x045B,
        0x03FB, 0x02DB, 0x06DB, 0x039B, 0x059B, 0x07FB, 0x04FB,
        0x041B, 0x015B, 0x065B, 0x05DB, 0x047B, 0x00DB, 0x053B,
        0x04BB, 0x06BB, 0x07BB, 0x00FB, 0x017B, 0x051B, 0x073B,
        0x077A, 0x01DA, 0x057A, 0x049A, 0x009A, 0x05BA, 0x01BA,
        0x067A, 0x021A, 0x071A, 0x04DA, 0x03BA, 0x055A, 0x001A,
        0x045A, 0x03FA, 0x069A, 0x03DA, 0x06DA, 0x005A, 0x029A,
        0x04FA, 0x043A, 0x025A, 0x079A, 0x041A, 0x015A, 0x02FA,
        0x037A, 0x05DA, 0x047A, 0x00BA, 0x061A, 0x06FA, 0x06BA,
        0x07BA, 0x00FA, 0x035A, 0x073A, 0x05FA, 0x0779, 0x01D9,
        0x07D9, 0x0339, 0x0759, 0x0139, 0x05B9, 0x0199, 0x0639,
        0x0219, 0x0719, 0x04D9, 0x0019, 0x03D9, 0x06D9, 0x07F9,
        0x0299, 0x04F9, 0x0439, 0x0259, 0x0799, 0x0419, 0x0159,
        0x02F9, 0x0659, 0x05D9, 0x00B9, 0x02B9, 0x0539, 0x04B9,
        0x06B9, 0x0739, 0x0338, 0x01F8, 0x0758, 0x0138, 0x0118,
        0x0098, 0x01B8, 0x0198, 0x0278, 0x0638, 0x0718, 0x0018,
        0x0458, 0x03F8, 0x0698, 0x03D8, 0x06D8, 0x0398, 0x0598,
        0x07F8, 0x0318, 0x0438, 0x0798, 0x0418, 0x0158, 0x02F8,
        0x0378, 0x0658, 0x05D8, 0x0478, 0x00B8, 0x0078, 0x06F8,
        0x04B8, 0x06B8, 0x07B8, 0x00F8, 0x0178, 0x07D7, 0x0037,
        0x01F7, 0x0577, 0x0497, 0x0117, 0x05B7, 0x01B7, 0x0677,
        0x0197, 0x0277, 0x0717, 0x04D7, 0x03B7, 0x0557, 0x0457,
        0x02D7, 0x06D7, 0x0397, 0x0597, 0x07F7, 0x0317, 0x04F7,
        0x0417, 0x0157, 0x02F7, 0x0657, 0x05D7, 0x0477, 0x00B7,
        0x0077, 0x0537, 0x06F7, 0x04B7, 0x0357, 0x0517, 0x05F7,
        0x01D6, 0x07D6, 0x0036, 0x0136, 0x0096, 0x05B6, 0x03B6,
        0x0556, 0x0016, 0x0696, 0x03D6, 0x06D6, 0x0396, 0x0596,
        0x0316, 0x0436, 0x0256, 0x0236, 0x0796, 0x0416, 0x0156,
        0x02F6, 0x0376, 0x0476, 0x02B6, 0x04B6, 0x00F6, 0x0176,
        0x0356, 0x01D5, 0x0335, 0x01F5, 0x0495, 0x0095, 0x0275,
        0x0635, 0x0715, 0x04D5, 0x03B5, 0x0555, 0x0015, 0x03F5,
        0x03D5, 0x02D5, 0x06D5, 0x0055, 0x0395, 0x0295, 0x0315,
        0x04F5, 0x0435, 0x0415, 0x0155, 0x05D5, 0x0475, 0x00D5,
        0x0075, 0x0615, 0x0535, 0x07B5, 0x0735, 0x05F5, 0x01D4,
        0x07D4, 0x0334, 0x01F4, 0x0494, 0x0094, 0x05B4, 0x01B4,
        0x0674, 0x0194, 0x0274, 0x0214, 0x04D4, 0x0454, 0x0694,
        0x0594, 0x04F4, 0x0434, 0x0254, 0x0794, 0x0414, 0x0154,
        0x02F4, 0x0374, 0x0654, 0x00D4, 0x0074, 0x04B4, 0x07B4,
        0x0174, 0x0354, 0x0514, 0x0773, 0x01D3, 0x0573, 0x0493,
        0x0093, 0x05B3, 0x01B3, 0x0633, 0x0213, 0x0713, 0x04D3,
        0x03B3, 0x0553, 0x0013, 0x0453, 0x03F3, 0x0693, 0x03D3,
        0x06D3, 0x0293, 0x04F3, 0x0253, 0x0413, 0x0153, 0x0373,
        0x0073, 0x0613, 0x04B3, 0x06B3, 0x07B3, 0x0173, 0x0513,
        0x0733, 0x05F3, 0x07D2, 0x0332, 0x0032, 0x01F2, 0x0492,
        0x0132, 0x0092, 0x0272, 0x0212, 0x03B2, 0x0552, 0x0452,
        0x03D2, 0x06D2, 0x0592, 0x07F2, 0x0292, 0x04F2, 0x0252,
        0x0152, 0x0652, 0x0472, 0x00B2, 0x0072, 0x02B2, 0x06F2,
        0x04B2, 0x06B2, 0x00F2, 0x0172, 0x0352, 0x0732, 0x05F2,
    };

    int i;

    memset(dst, 0, 256);

    for (i = 0; i < ARRAYLEN(bits); ++i) {
        SETBIT((uint32_t*)dst, bits[i]);
    }
}

static
void gen_key2(char* dst)
{
    static const uint16_t bits[66] = {
        0x0062, 0x0082, 0x0042, 0x0061, 0x0041, 0x0080, 0x0020,
        0x0000, 0x003F, 0x005F, 0x003E, 0x001E, 0x003D, 0x001D,
        0x007C, 0x005C, 0x003B, 0x005B, 0x003A, 0x001A, 0x0039,
        0x0019, 0x0038, 0x0018, 0x0037, 0x0057, 0x0036, 0x0016,
        0x0075, 0x0055, 0x0074, 0x0054, 0x0033, 0x0053, 0x0032,
        0x0012, 0x0071, 0x0051, 0x0030, 0x0010, 0x002F, 0x004F,
        0x006E, 0x004E, 0x002D, 0x000D, 0x006C, 0x004C, 0x002B,
        0x004B, 0x006A, 0x004A, 0x0029, 0x0009, 0x0028, 0x0008,
        0x0027, 0x0047, 0x0066, 0x0046, 0x0065, 0x0045, 0x0064,
        0x0044, 0x0023, 0x0043,
    };

    int i;

    memset(dst, 0, 20);

    for (i = 0; i < ARRAYLEN(bits); ++i) {
        SETBIT((uint32_t*)dst, bits[i]);
    }
}

static
void gen_key3(char* dst)
{
    static const uint16_t bits[156] = {
        0x0664, 0x0444, 0x05E4, 0x06E4, 0x01C4, 0x01E4, 0x0464,
        0x0564, 0x0364, 0x0064, 0x0164, 0x05C4, 0x0044, 0x07E4,
        0x04C4, 0x0764, 0x0544, 0x00E4, 0x0264, 0x0144, 0x03E4,
        0x00C4, 0x02E4, 0x04E4, 0x0223, 0x0243, 0x01A3, 0x0023,
        0x0743, 0x0423, 0x0343, 0x0123, 0x02C3, 0x06A3, 0x0623,
        0x04A3, 0x05A3, 0x07A3, 0x03C3, 0x02A3, 0x0643, 0x0723,
        0x06C3, 0x07C3, 0x0323, 0x03A3, 0x0523, 0x00A3, 0x0662,
        0x0242, 0x01A2, 0x0022, 0x05E2, 0x06E2, 0x01E2, 0x0462,
        0x0742, 0x0302, 0x0342, 0x0122, 0x02C2, 0x0562, 0x0402,
        0x0202, 0x0362, 0x0062, 0x0162, 0x0182, 0x03C2, 0x0702,
        0x0602, 0x0382, 0x0642, 0x0682, 0x06C2, 0x0582, 0x07C2,
        0x07E2, 0x0002, 0x0502, 0x0762, 0x0482, 0x00E2, 0x0262,
        0x03E2, 0x0082, 0x0782, 0x0282, 0x02E2, 0x04E2, 0x0102,
        0x00A2, 0x0241, 0x05E1, 0x01E1, 0x0461, 0x0741, 0x0421,
        0x0341, 0x02C1, 0x0561, 0x0061, 0x0161, 0x06A1, 0x0621,
        0x04A1, 0x05A1, 0x0181, 0x07A1, 0x03C1, 0x0701, 0x0601,
        0x0641, 0x0721, 0x0681, 0x06C1, 0x07C1, 0x0001, 0x00E1,
        0x0081, 0x0781, 0x0521, 0x04E1, 0x0101, 0x0220, 0x0660,
        0x05E0, 0x06E0, 0x01C0, 0x0460, 0x0740, 0x0420, 0x0300,
        0x0560, 0x0200, 0x04A0, 0x05A0, 0x0180, 0x0040, 0x02A0,
        0x0380, 0x0640, 0x06C0, 0x07C0, 0x07E0, 0x0000, 0x0760,
        0x0320, 0x0140, 0x0080, 0x0280, 0x00C0, 0x03A0, 0x0520,
        0x04E0, 0x0100,
    };

    int i;

    memset(dst, 0, 64);

    for (i = 0; i < ARRAYLEN(bits); ++i) {
        int j = bits[i] >> 5;
        int tmp = dst[j] | (1 << (bits[i] % 32));
        dst[j] = (char)tmp;
    }
}

static
void gen_key4(char* dst)
{
    static const uint16_t bits[38] = {
        0x000C, 0x000B, 0x000A, 0x0009, 0x0008, 0x0028, 0x0007,
        0x0027, 0x0006, 0x0005, 0x0025, 0x0004, 0x0003, 0x0002,
        0x0022, 0x0001, 0x0021, 0x0000, 0x0020, 0x001E, 0x001D,
        0x001C, 0x001B, 0x001A, 0x0019, 0x0018, 0x0017, 0x0016,
        0x0015, 0x0014, 0x0013, 0x0012, 0x0011, 0x0010, 0x000F,
        0x000E, 0x002E, 0x000D
    };

    int i;

    memset(dst, 0, 8);

    for (i = 0; i < ARRAYLEN(bits); ++i) {
        SETBIT((uint32_t*)dst, bits[i]);
    }
}

static
void gen_key5(char* dst)
{
    static const uint16_t bits[84] = {
        0x0073, 0x00F2, 0x0012, 0x00F1, 0x00D1, 0x0071, 0x0011,
        0x00D0, 0x0130, 0x0150, 0x00EF, 0x00CE, 0x006E, 0x000E,
        0x014E, 0x002D, 0x00EC, 0x002C, 0x014C, 0x00EB, 0x006B,
        0x000B, 0x014B, 0x00EA, 0x006A, 0x000A, 0x00E9, 0x00C9,
        0x0069, 0x0009, 0x00C8, 0x0128, 0x0148, 0x00E7, 0x00C7,
        0x00E6, 0x00C6, 0x0006, 0x0025, 0x00C5, 0x0065, 0x0005,
        0x0145, 0x0024, 0x00C4, 0x0064, 0x0104, 0x00A4, 0x0023,
        0x00C3, 0x0183, 0x0103, 0x0043, 0x0003, 0x0163, 0x00C2,
        0x0062, 0x00A2, 0x0042, 0x0002, 0x0142, 0x00E1, 0x00A1,
        0x0041, 0x0141, 0x00E0, 0x0020, 0x00C0, 0x0060, 0x0120,
        0x00A0, 0x0040, 0x0000, 0x0140, 0x0080, 0x001E, 0x0078,
        0x0018, 0x0017, 0x0076, 0x0016, 0x0156, 0x00F5, 0x0074,
    };

    int i;

    memset(dst, 0, 52);

    for (i = 0; i < ARRAYLEN(bits); ++i) {
        SETBIT((uint32_t*)dst, bits[i]);
    }
}

static
void gen_key6(char* dst)
{
    static const uint16_t bits[123] = {
        0x0166, 0x03C6, 0x0406, 0x0186, 0x0206, 0x01E6, 0x0366,
        0x02E6, 0x00A6, 0x0266, 0x0146, 0x01A6, 0x0126, 0x0246,
        0x0066, 0x02A6, 0x0326, 0x00C6, 0x0226, 0x00E6, 0x0386,
        0x01C6, 0x03A6, 0x02C6, 0x0046, 0x0026, 0x0286, 0x0165,
        0x0185, 0x0005, 0x01E5, 0x0345, 0x02E5, 0x01A5, 0x0245,
        0x0305, 0x0325, 0x00E5, 0x0385, 0x0085, 0x02C5, 0x0025,
        0x0105, 0x0285, 0x03E5, 0x0164, 0x01E4, 0x0344, 0x02E4,
        0x00A4, 0x0144, 0x0124, 0x0064, 0x0304, 0x00E4, 0x0384,
        0x0084, 0x02C4, 0x0044, 0x0024, 0x0104, 0x03E4, 0x0163,
        0x0183, 0x0203, 0x01E3, 0x0263, 0x01A3, 0x0243, 0x02A3,
        0x00C3, 0x0223, 0x00E3, 0x0083, 0x03A3, 0x0043, 0x03C2,
        0x0202, 0x0342, 0x0262, 0x01A2, 0x0242, 0x0062, 0x02A2,
        0x00C2, 0x02C2, 0x0022, 0x03E2, 0x0401, 0x01E1, 0x0341,
        0x0361, 0x0261, 0x0141, 0x01A1, 0x0121, 0x0241, 0x0301,
        0x02A1, 0x00C1, 0x00E1, 0x01C1, 0x03A1, 0x0021, 0x0101,
        0x0281, 0x03E1, 0x0160, 0x0400, 0x0180, 0x0200, 0x02E0,
        0x01A0, 0x0120, 0x0300, 0x02A0, 0x0320, 0x0380, 0x01C0,
        0x0080, 0x02C0, 0x0100, 0x0280
    };

    uint32_t dwords[33];
    int i;

    memset(dwords, 0, sizeof(dwords));

    for (i = 0; i < ARRAYLEN(bits); ++i) {
        SETBIT(dwords, bits[i]);
    }

    memset(dst, 0, ARRAYLEN(dwords));

    for (i = 1; i < ARRAYLEN(dwords); ++i) {
        dst[i - 1] = (char)dwords[i];
    }
}

static
void hexstr(uint8_t const* bytes, size_t n, char* p)
{
    size_t i;
    for (i = 0; i < n; ++i) {
        p += sprintf(p, "%02X ", bytes[i]);
    }
}

int main()
{
    char buf[256 * 3 + 1];
    char key1[256];
    char key2[20];
    char key3[64];
    char key4[8];
    char key5[52];
    char key6[33];

#define bk(n) \
    gen_key##n(key##n); \
    hexstr(key##n, sizeof(key##n), buf); \
    printf("key" #n ": %s\n\n", buf);

    bk(1) bk(2) bk(3) bk(4) bk(5)

#undef bk

    gen_key6(key6);
    printf("key6: %s\n", key6);
}