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wm_crypto.h
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#ifndef wm_crypto_h
#include <avr/pgmspace.h>
static volatile unsigned char wm_rand[10];
static volatile unsigned char wm_key[6];
static volatile unsigned char wm_ft[8];
static volatile unsigned char wm_sb[8];
const unsigned char ans_tbl[7][6] PROGMEM = {
{0xA8,0x77,0xA6,0xE0,0xF7,0x43},
{0x5A,0x35,0x85,0xE2,0x72,0x97},
{0x8F,0xB7,0x1A,0x62,0x87,0x38},
{ 0xD,0x67,0xC7,0xBE,0x4F,0x3E},
{0x20,0x76,0x37,0x8F,0x68,0xB7},
{0xA9,0x26,0x3F,0x2B,0x10,0xE3},
{0x30,0x7E,0x90, 0xE,0x85, 0xA},
};
const unsigned char sboxes[10][256] PROGMEM = {
{
0x70,0x51, 3,0x86,0x40, 0xD,0x4F,0xEB,0x3E,0xCC,0xD1,0x87,0x35,0xBD,0xF5, 0xB,
0x5E,0xD0,0xF8,0xF2,0xD5,0xE2,0x6C,0x31, 0xC,0xAD,0xFC,0x21,0xC3,0x78,0xC1, 6,
0xC2,0x4C,0x55,0xE6,0x4A,0x34,0x48,0x11,0x1E,0xDA,0xE7,0x1A,0x84,0xA0,0x96,0xA7,
0xE3,0x7F,0xAF,0x63,0x9C,0xFA,0x23,0x5B,0x79,0xC8,0x9E,0xBA,0xB2,0xC9,0x22,0x12,
0x4B,0xB3,0xA1,0xB6,0x32,0x49,0xA2,0xE1,0x89,0x39,0x10,0x66,0xC5, 7,0x8F,0x54,
0xEA,0x91,0xCA,0x3F,0xF9,0x19,0xF0,0xD7,0x46,0xBC,0x28,0x1B,0x61,0xE8,0x2F,0x6A,
0xAE,0x9D,0xF6,0x4E, 9,0x14,0x77,0x4D,0xDB,0x1F,0x2E,0x7B,0x7C,0xF1,0x43,0xA3,
0,0xB8,0x13,0x8C,0x85,0xB9,0x29,0x75,0x88,0xFD,0xD2,0x56,0x1C,0x50,0x97,0x41,
0xE5,0x3B,0x60,0xB5,0xC0,0x64,0xEE,0x98,0xD6,0x2D,0x25,0xA4,0xAA,0xCD,0x7D,0xA8,
0x83,0xC6,0xAB,0xBE,0x44,0x99,0x26,0x3C,0xCE,0x9F,0xBF,0xD3,0xCB,0x76,0x7A,0x7E,
0x82, 1,0x8A,0x9A,0x80,0x1D, 0xE,0xB0,0x5C,0xD4,0x38,0x62,0xF4,0x30,0xE0,0x8E,
0x53,0xB7, 2,0x57,0xAC,0xA6,0x52, 0xA,0x6D,0x92,0x65,0x17,0x24,0x33,0x45,0x72,
0x74,0xB1,0xB4,0xF7,0x5D,0xED,0x2C,0xFF,0x47,0x37,0x5A,0x90,0xBB,0xDF,0x2A,0x16,
0x59,0x95,0xD9,0xC4,0x27,0x67,0x73,0xC7,0x68,0xFE,0xA5,0xDD,0x6B,0x5F,0x93,0xD8,
0xEC, 5,0x3A,0x8D,0x6E,0xFB,0x3D,0xA9,0x69,0x36,0xF3,0x94,0xDE,0xEF,0x15,0x6F,
0x8B,0x9B, 8, 0xF,0xDC,0x81,0x18,0x20, 4,0xE4,0x71,0xCF,0xE9,0x2B,0x42,0x58,
},
{
1,0xA0,0xA9,0x62,0xD6,0x3F,0x85,0xA7,0xB6,0xD4,0xFA,0x15,0x66,0x17, 9,0xBD,
0x5D,0x14,0x34,0x26,0x59,0x72,0x91,0x54, 6,0x4F,0xF8,0xB0,0x5B,0x74,0x93,0x99,
0x8C,0xF2,0x45,0xCD,0xEA,0x4E,0xAD,0x10,0x4A,0xE5,0xCA,0xEE,0xDF,0xC6,0x6F,0x9F,
0x88,0x8E, 2,0xCC, 8,0xA8,0x77,0x94,0x6D,0x21,0xB1,0x28,0xE4,0x39,0x79,0x96,
0x60,0x71,0x81,0x16,0x2E,0xE6,0x78,0xB9,0xC4,0x46,0x9A,0x42,0xAE,0xB7,0x7C,0x43,
0xB3,0x22,0x1A,0x86,0xC2,0x32,0x3D,0x2D,0x9C,0xD2,0x29,0xE9,0x63,0x9B,0xD1,0x31,
0x38,0x5E,0x1E,0x36,0x41,0xBB, 3,0x18,0x2B,0x3E,0xBF,0x68,0x61,0xFC,0x52,0xC0,
0xDE,0xE0, 0xA,0x58,0x13,0x5A, 0,0xBE,0x1C,0x90, 0xE,0x53,0x12,0xFD,0xE2,0x6E,
0xBA,0xCE,0x24,0x27,0x44,0x7F,0x87,0xA3,0xA1,0xD5,0x50,0x40,0xE3,0xF9,0x83,0xF7,
0xC7,0xA2,0x35,0xC8,0xDB,0x19,0xAB,0x2F,0x11,0x25,0xED,0x33,0x9E,0x55,0xE1,0x48,
0xAF,0x73,0x84,0xDA,0x2A,0xAA,0x51,0xEB,0x9D,0x95,0xB2,0xCB,0xE7,0x70,0x80,0xFE,
0x4C,0x65, 4,0xEF,0xC5,0xF1,0xC3,0x3A,0xB4,0xF5,0x5F,0x23,0x89,0xDD,0x30,0xA5,
0x8B,0xD3,0xF6,0xDC,0x4D,0x64,0xD7,0xF0,0x8F,0xEC,0x56,0x37,0x5C,0xA4, 0xD, 7,
0x76,0x8A,0x2C, 0xB,0xB5,0xD8,0xC1,0x1F,0xE8,0x3B,0xF4,0x4B,0x1B,0x47,0x6C,0x49,
0x67,0x7B,0x92,0xCF,0x75,0x7E,0x20,0xD9,0x7D,0x3C,0x97,0x7A,0xD0, 5,0x6B, 0xF,
0x1D,0xFB,0x82,0x98,0x57,0x8D,0xF3,0x6A,0xBC,0xAC,0xC9,0xA6,0xFF,0xB8,0x69, 0xC,
},
{
0x4C,0x4D,0x72, 7,0x5A,0x49,0x33,0x8D,0xA2,0xAB,0x46,0x3D,0x63, 0xD,0xA0,0x97,
0xFF,0xF0,0xF5,0xFA,0xC0,0xE9,0xDB,0x62,0xE4,0xE1,0x74,0x43,0xDC,0x86,0x18,0x29,
0x37,0xF4, 6,0xE2,0xED,0x6F,0x90,0x48,0x1E,0x2D,0x1D,0xEA,0x73,0x94,0x54,0xDF,
0x25,0xF6,0x47,0x27,0xD9,0x11,0x77,0xC9,0x84,0x1C,0x5B,0x5C,0x51,0x81,0xA6,0x22,
0x3E,0x24,0x96,0xC8,0x8A,0xEC,0x82,0x7C, 9,0xB8,0x45,0x4A,0x57,0xBB,0x2F,0x50,
0x75,0x8E,0x61,0x70,0x8C,0x6C,0xAF,0xD0,0xFD,0xB4,0x1B,0xAE,0xDE,0xFE,0x3B,0xB5,
0x36,0xBD,0x55, 1, 0xE,0x9C,0x41,0x56,0x5F,0xB3,0x26, 3,0x83,0xBA,0x13,0x4B,
0xCA,0xC5, 0xA,0xF8,0x60,0xA5,0xB9,0xC7,0xC3,0x98,0x32,0xFB,0x12,0xF9,0xA7,0x92,
0xAA,0x68,0xF3,0x78,0x7E, 5,0x20,0x21, 2,0xE8,0xBF,0xF2,0xB0,0x59,0x8F,0xD2,
0xCB,0x87,0x65,0x15,0xF1,0x1A,0xB2,0x30,0xAD,0xEE,0x58,0xA3,0x8B,0x66,0x1F,0x2C,
0xD7,0x5D,0x19,0x85,0xA8,0xE6,0xD3,0x6B,0xA1, 0xC,0x91,0x93,0x6A,0x5E, 0xB,0x79,
0xE3,0xDD, 0,0x4F,0x3C,0x89,0x6E,0x71,0x69,0xA9,0xAC,0x40,0xE5,0x99,0x28,0xC6,
0x31,0x4E,0x7A,0xCD, 8,0x9E,0x7D,0xEF,0x17,0xFC,0x88,0xD8,0xA4,0x6D,0x44,0x95,
0xD1,0xB7,0xD4,0x9B,0xBE,0x2A,0x34,0x64,0x2B,0xCF,0x2E,0xEB,0x38,0xCE,0x23,0xE0,
0x3A,0x3F,0xF7,0x7B,0x9F,0x10,0x53,0xBC,0x52,0x67,0x16,0xE7,0x80,0x76, 4,0xC4,
0xB6,0xC1,0xC2,0x7F,0x9A,0xDA,0xD5,0x39,0x42,0x14,0x9D,0xB1, 0xF,0x35,0xD6,0xCC,
},
{
0xB9,0xDA,0x38, 0xC,0xA2,0x9C, 9,0x1F, 6,0xB1,0xB6,0xFD,0x1A,0x69,0x23,0x30,
0xC4,0xDE, 1,0xD1,0xF4,0x58,0x29,0x37,0x1C,0x7D,0xD5,0xBF,0xFF,0xBD,0xC8,0xC9,
0xCF,0x65,0xBE,0x7B,0x78,0x97,0x98,0x67, 8,0xB3,0x26,0x57,0xF7,0xFA,0x40,0xAD,
0x8E,0x75,0xA6,0x7C,0xDB,0x91,0x8B,0x51,0x99,0xD4,0x17,0x7A,0x90,0x8D,0xCE,0x63,
0xCB,0x4E,0xA0,0xAB,0x18,0x3A,0x5B,0x50,0x7F,0x21,0x74,0xC1,0xBB,0xB8,0xB7,0xBA,
0xB,0x35,0x95,0x31,0x59,0x9A,0x4D, 4, 7,0x1E,0x5A,0x76,0x13,0xF3,0x71,0x83,
0xD0,0x86, 3,0xA8,0x39,0x42,0xAA,0x28,0xE6,0xE4,0xD8,0x5D,0xD3,0xD0,0x6E,0x6F,
0x96,0xFB,0x5E,0xBC,0x56,0xC2,0x5F,0x85,0x9B,0xE7,0xAF,0xD2,0x3B,0x84,0x6A,0xA7,
0x53,0xC5,0x44,0x49,0xA5,0xF9,0x36,0x72,0x3D,0x2C,0xD9,0x1B,0xA1,0xF5,0x4F,0x93,
0x9D,0x68,0x47,0x41,0x16,0xCA,0x2A,0x4C,0xA3,0x87,0xD6,0xE5,0x19,0x2E,0x77,0x15,
0x6D,0x70,0xC0,0xDF,0xB2, 0,0x46,0xED,0xC6,0x6C,0x43,0x60,0x92,0x2D,0xA9,0x22,
0x45,0x8F,0x34,0x55,0xAE,0xA4, 0xA,0x66,0x32,0xE0,0xDC, 2,0xAC,0xE8,0x20,0x8C,
0x89,0x62,0x4A,0xFE,0xEE,0xC3,0xE3,0x3C,0xF1,0x79, 5,0xE9,0xF6,0x27,0x33,0xCC,
0xF2,0x9E,0x11,0x81,0x7E,0x80,0x10,0x8A,0x82,0x9F,0x48, 0xD,0xD7,0xB4,0xFC,0x2F,
0xB5,0xC7,0xDD,0x88,0x14,0x6B,0x2B,0x54,0xEA,0x1D,0x94,0x5C,0xB0,0xEF,0x12,0x24,
0xCD,0xEB,0xE1,0xE2,0x64,0x73,0x3F, 0xE,0x52,0x61,0x25,0x3E,0xF8, 0xF,0x4B,0xEC,
},
{
0xC0, 0,0x30,0xF6, 2,0x49,0x3D,0x10,0x6E,0x20,0xC9,0xA6,0x2F,0xFE,0x2C,0x2B,
0x75,0x2E,0x45,0x26,0xAB,0x48,0xA9,0x80,0xFC, 4,0xCC,0xD3,0xB5,0xBA,0xA3,0x38,
0x31,0x7D, 1,0xD9,0xA7,0x7B,0x96,0xB6,0x63,0x69,0x4E,0xF7,0xDE,0xE0,0x78,0xCA,
0x50,0xAA,0x41,0x91,0x65,0x88,0xE4,0x21,0x85,0xDA,0x3A,0x27,0xBE,0x1C,0x3E,0x42,
0x5E,0x17,0x52,0x7F,0x1F,0x89,0x24,0x6F,0x8F,0x5C,0x67,0x74, 0xE,0x12,0x87,0x8D,
0xE9,0x34,0xED,0x73,0xC4,0xF8,0x61,0x5B, 5,0xDF,0x59,0x4C,0x97,0x79,0x83,0x18,
0xA4,0x55,0x95,0xEB,0xBD,0x53,0xF5,0xF1,0x57,0x66,0x46,0x9F,0xB2,0x81, 9,0x51,
0x86,0x22,0x16,0xDD,0x23,0x93,0x76,0x29,0xC2,0xD7,0x1D,0xD4,0xBF,0x36,0x3F,0xEA,
0x4B,0x11,0x32,0xB9,0x62,0x54,0x60,0xD6,0x6D,0x43,0x9A, 0xD,0x92,0x9C,0xB0,0xEF,
0x58,0x6C,0x9D,0x77,0x2D,0x70,0xFA,0xF3,0xB3, 0xB,0xE2,0x40,0x7E,0xF4,0x8A,0xE5,
0x8C,0x3C,0x56,0x71,0xD1,0x64,0xE1,0x82, 0xA,0xCB,0x13,0x15,0x90,0xEC, 3,0x99,
0xAF,0x14,0x5D, 0xF,0x33,0x4A,0x94,0xA5,0xA8,0x35,0x1B,0xE3,0x6A,0xC6,0x28,0xFF,
0x4D,0xE7,0x25,0x84,0xAC, 8,0xAE,0xC5,0xA2,0x2A,0xB8,0x37, 0xC,0x7A,0xA0,0xC3,
0xCE,0xAD, 6,0x1A,0x9E,0x8B,0xFB,0xD5,0xD0,0xC1,0x1E,0xD0,0xB4,0x9B,0xB1,0x44,
0xF2,0x47,0xC7,0x68,0xCF,0x72,0xBB,0x4F,0x5A,0xF9,0xDC,0x6B,0xDB,0xD2,0xE8,0x7C,
0xC8,0xEE,0x98,0xA1,0xE6,0xD8,0x39, 7,0x5F,0xFD,0x8E,0x19,0xB7,0x3B,0xBC,0xCD,
},
{
0x7C,0xE3,0x81,0x73,0xB2,0x11,0xBF,0x6F,0x20,0x98,0xFE,0x75,0x96,0xEF,0x6C,0xDA,
0x50,0xE1, 9,0x72,0x54,0x45,0xBA,0x34,0x80,0x5B,0xED,0x3E,0x53,0x2C,0x87,0xA4,
0x57,0xF3,0x33,0x3F,0x3C,0xB7,0x67,0xB4,0xA3,0x25,0x60,0x4F, 7,0x6B,0x1B,0x47,
0x15, 0xF,0xE4, 0xA,0xEA,0xD1,0x32,0x78,0x36,0x49,0x8D,0x4B,0xD2,0xBC,0xA5,0xDC,
0x1D, 0xD,0x4D,0xCD,0x9A,0x82,0x5F,0xFC,0x94,0x65,0xBE,0xE2,0xF4,0xC9,0x1E,0x44,
0xCB,0x9E, 0xC,0x64,0x71,0x26,0x63,0xB3,0x14,0xE8,0x40,0x70,0x8A, 0xE,0x19,0x42,
0x6D,0xAC,0x88,0x10,0x5C,0xDF,0x41,0xA9,0xAD,0xE5,0xFB,0x74,0xCC,0xD5, 6,0x8E,
0x59,0x86,0xCE,0x1F,0x3D,0x76,0xE0,0x8F,0xB9,0x77,0x27,0x7B,0xA6,0xD8,0x29,0xD3,
0xEC,0xB8,0x13,0xF7,0xFA,0xC3,0x51,0x6A,0xDE,0x4A,0x5A,0xEB,0xC2,0x8B,0x23,0x48,
0x92,0xCF,0x62,0xA8,0x99,0xF8,0xD0,0x2E,0x85,0x61,0x43,0xC8,0xBD,0xF0, 5,0x93,
0xCA,0x4E,0xF1,0x7D,0x30,0xFD,0xC4,0x69,0x66,0x2F, 8,0xB1,0x52,0xF9,0x21,0xE6,
0x7A,0x2B,0xDD,0x39,0x84,0xFF,0xC0,0x91,0xD6,0x37,0xD4,0x7F,0x2D,0x9B,0x5D,0xA1,
0x3B,0x6E,0xB5,0xC5,0x46, 4,0xF5,0x90,0xEE,0x7E,0x83,0x1C, 3,0x56,0xB6,0xAA,
0,0x17, 1,0x35,0x55,0x79, 0xB,0x12,0xBB,0x1A,0x31,0xE7, 2,0x28,0x16,0xC1,
0xF6,0xA2,0xDB,0x18,0x9C,0x89,0x68,0x38,0x97,0xAB,0xC7,0x2A,0xD7,0x3A,0xF2,0xC6,
0x24,0x4C,0xB0,0x58,0xA0,0x22,0x5E,0x9D,0xD9,0xA7,0xE9,0xAE,0xAF,0x8C,0x95,0x9F,
},
{
0x28,0xB7,0x20,0xD7,0xB0,0x30,0xC3, 9,0x19,0xC0,0x67,0xD6, 0,0x3C,0x7E,0xE7,
0xE9,0xF4, 8,0x5A,0xF8,0xB8,0x2E, 5,0xA6,0x25,0x9E,0x5C,0xD8,0x15, 0xD,0xE1,
0xF6,0x11,0x54,0x6B,0xCD,0x21,0x46,0x66,0x5E,0x84,0xAD, 6,0x38,0x29,0x44,0xC5,
0xA2,0xCE,0xF1,0xAA,0xC1,0x40,0x71,0x86,0xB5,0xEF,0xFC,0x36,0xA8,0xCB, 0xA,0x48,
0x27,0x45,0x64,0xA3,0xAF,0x8C,0xB2,0xC6,0x9F, 7,0x89,0xDC,0x17,0xD3,0x49,0x79,
0xFB,0xFE,0x1D,0xD0,0xB9,0x88,0x43,0x52,0xBC, 1,0x78,0x2B,0x7D,0x94,0xC7, 0xE,
0xDE,0xA5,0xD5,0x9B,0xCC,0xF7,0x61,0x7A,0xC2,0x74,0x81,0x39, 3,0xAB,0x96,0xA0,
0x37,0xBD,0x2D,0x72,0x75,0x3F,0xC9,0xD4,0x8E,0x6F,0xF9,0x8D,0xED,0x62,0xDB,0x1C,
0xDF, 4,0xAC,0x1B,0x6C,0x14,0x4B,0x63,0xD0,0xBF,0xB4,0x82,0xEC,0x7B,0x1A,0x59,
0x92,0xD2,0x10,0x60,0xB6,0x3D,0x5F,0xE6,0x80,0x6E,0x70,0xC4,0xF2,0x35,0xD9,0x7C,
0xEE,0xE5,0x41,0xA4,0x5B,0x50,0xDD,0xBB,0x4C,0xF3,0x1F,0x9D,0x5D,0x57,0x55,0x51,
0x97,0xE3,0x58,0x42,0x4D,0x9C,0x73,0xBA,0xC8,0x77,0x31,0x69,0x26,0xAE,0xEA,0x8A,
0xDA,0x22,0xB3,0x87,0x56,0xFA,0x93, 0xB,0x34,0x16,0x33,0xE8,0xE4,0x53,0xBE,0xA9,
0xB1,0x3A,0x3E,0xF5,0x90,0x6A,0xCF,0x3B,0x12,0xFD,0x8F,0x9A,0xA7,0x47,0x91,0x99,
0xEB, 0xF,0x24,0xFF,0x23,0x18,0x85,0x4E,0x7F, 0xC,0xE0,0xA1,0xD2,0xD1,0x2C,0x2A,
0x4A, 2,0x4F,0x1E,0x95,0x68,0x8B,0x98,0x83,0x6D,0x76,0xCA,0x65,0x32,0x13,0x2F,
},
{
0xC3,0x82,0x9A,0xA4,0xBA,0x81,0x60,0x37,0x34,0x35,0xFC,0x80,0xA8,0x51,0x65,0x67,
0xED,0x30,0x5F,0x10,0xD3,0x4A,0x27,0x2F,0x13,0xB9,0x2A,0xD2,0xCC,0xE1,0xEF,0xAE,
0xEB,0xBE,0xF4,0xBD,0xCF,0x43,0xB3,0xC5,0x88,0x84,0xB7,0xDD,0x39,0x40,0xCE,0x48,
0x6D,0x9B,0x72,0x61,0x7E,0xE7,0xA1,0x4E,0x53,0x2E,0x77,0x3B,0xE2,0xC9,0x36,0x22,
0x1B,0x6E,0x73,0xB1, 3,0xB2,0x4C,0x87,0xA9,0xD4,0x4D, 0xF,0xD8,0x15,0x6C,0xAA,
0x18,0xF6,0x49,0x57,0x5D,0xFB,0x7A,0x14,0x94,0x63,0xA0,0x11,0xB0,0x9E,0xDE, 5,
0x46,0xC8,0xEE,0x47,0xDB,0xDC,0x24,0x89,0x9C,0x91,0x97,0x29,0xE9,0x7B,0xC1, 7,
0x1E,0xB8,0xFD,0xFE,0xAC,0xC6,0x62,0x98,0x4F,0xF1,0x79,0xE0,0xE8,0x6B,0x78,0x56,
0xB6,0x8D, 4,0x50,0x86,0xCA,0x6F,0x20,0xE6,0xEA,0xE5,0x76,0x17,0x1C,0x74,0x7F,
0xBC, 0xD,0x2C,0x85,0xF7,0x66,0x96,0xE4,0x8B,0x75,0x3F,0x4B,0xD9,0x38,0xAF,0x7C,
0xDA, 0xB,0x83,0x2D,0x31,0x32,0xA2,0xF5,0x1D,0x59,0x41,0x45,0xBF,0x3C,0x1F,0xF8,
0xF9,0x8A,0xD0,0x16,0x25,0x69,0x12,0x99,0x9D,0x21,0x95,0xAB, 1,0xA6,0xD7,0xB5,
0xC0,0x7D,0xFF,0x58, 0xE,0x3A,0x92,0xD1,0x55,0xE3, 8,0x9F,0xD6,0x3E,0x52,0x8E,
0xFA,0xA3,0xC7, 2,0xCD,0xDF,0x8F,0x64,0x19,0x8C,0xF3,0xA7, 0xC,0x5E, 0xA,0x6A,
9,0xF0,0x93,0x5B,0x42,0xC2, 6,0x23,0xEC,0x71,0xAD,0xB4,0xCB,0xBB,0x70,0x28,
0xD5,0x1A,0x5C,0x33,0x68,0x5A, 0,0x44,0x90,0xA5,0xC4,0x26,0x3D,0x2B,0xF2,0x54,
},
{
0x96,0xAD,0xDA,0x1F,0xED,0x33,0xE1,0x81,0x69, 8, 0xD, 0xA,0xDB,0x35,0x77,0x9A,
0x64,0xD1,0xFC,0x78,0xAA,0x1B,0xD0,0x67,0xA0,0xDD,0xFA,0x6C,0x63,0x71, 5,0x84,
0x17,0x6A,0x89,0x4F,0x66,0x7F,0xC6,0x50,0x55,0x92,0x6F,0xBD,0xE7,0xD2,0x40,0x72,
0x8D,0xBB,0xEC, 6,0x42,0x8A,0xE4,0x88,0x9D,0x7E,0x7A,0x82,0x27,0x13,0x41,0x1A,
0xAF,0xC8,0xA4,0x76,0xB4,0xC2,0xFE,0x6D,0x1C,0xD9,0x61,0x30,0xB3,0x7C,0xEA,0xF7,
0x29, 0xF,0xF2,0x3B,0x51,0xC1,0xDE,0x5F,0xE5,0x2A,0x2F,0x99, 0xB,0x5D,0xA3,0x2B,
0x4A,0xAB,0x95,0xA5,0xD3,0x58,0x56,0xEE,0x28,0x31, 0,0xCC,0x15,0x46,0xCA,0xE6,
0x86,0x38,0x3C,0x65,0xF5,0xE3,0x9F,0xD6,0x5B, 9,0x49,0x83,0x70,0x2D,0x53,0xA9,
0x7D,0xE2,0xC4,0xAC,0x8E,0x5E,0xB8,0x25,0xF4,0xB9,0x57,0xF3,0xF1,0x68,0x47,0xB2,
0xA2,0x59,0x20,0xCE,0x34,0x79,0x5C,0x90, 0xE,0x1E,0xBE,0xD5,0x22,0x23,0xB1,0xC9,
0x18,0x62,0x16,0x2E,0x91,0x3E, 7,0x8F,0xD8,0x3F,0x93,0x3D,0xD4,0x9B,0xDF,0x85,
0x21,0xFB,0x11,0x74,0x97,0xC7,0xD7,0xDC,0x4C,0x19,0x45,0x98,0xE9,0x43, 2,0x4B,
0xBC,0xC3, 4,0x9C,0x6B,0xF0,0x75,0x52,0xA7,0x26,0xF6,0xC5,0xBA,0xCF,0xB0,0xB7,
0xAE,0x5A,0xA1,0xBF, 3,0x8B,0x80,0x12,0x6E, 0xC,0xEB,0xF9,0xC0,0x44,0x24,0xEF,
0x10,0xF8,0xA8,0x8C,0xE8,0x7B,0xFF,0x9E,0x2C,0xCD,0x60,0x36,0x87,0xB5,0x94,0xA6,
0x54,0x73,0x3A,0x14,0x4E, 1,0x1D,0xB6,0xFD,0x37,0x48,0x4D,0x39,0xCB,0xE0,0x32,
}
};
unsigned char wm_ror8(unsigned char a, unsigned char b)
{
// bit shift with roll-over
return (a >> b) | ((a << (8 - b)) & 0xFF);
}
void wm_gentabs()
{
unsigned char idx;
// check all idx
for(idx = 0; idx < 7; idx++)
{
// generate test key
unsigned char ans[6];
unsigned char tkey[6];
unsigned char t0[10];
for(unsigned char i = 0; i < 6; i++)
{
ans[i] = pgm_read_byte(&(ans_tbl[idx][i]));
}
for(unsigned char i = 0; i < 10; i++)
{
t0[i] = pgm_read_byte(&(sboxes[0][wm_rand[i]]));
}
tkey[0] = ((wm_ror8((ans[0] ^ t0[5]), (t0[2] % 8)) - t0[9]) ^ t0[4]);
tkey[1] = ((wm_ror8((ans[1] ^ t0[1]), (t0[0] % 8)) - t0[5]) ^ t0[7]);
tkey[2] = ((wm_ror8((ans[2] ^ t0[6]), (t0[8] % 8)) - t0[2]) ^ t0[0]);
tkey[3] = ((wm_ror8((ans[3] ^ t0[4]), (t0[7] % 8)) - t0[3]) ^ t0[2]);
tkey[4] = ((wm_ror8((ans[4] ^ t0[1]), (t0[6] % 8)) - t0[3]) ^ t0[4]);
tkey[5] = ((wm_ror8((ans[5] ^ t0[7]), (t0[8] % 8)) - t0[5]) ^ t0[9]);
// compare with actual key
if(memcmp(tkey, (void *) wm_key, 6) == 0) break; // if match, then use this idx
}
// generate encryption from idx key and rand
wm_ft[0] = pgm_read_byte(&(sboxes[idx + 1][wm_key[4]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[3]]));
wm_ft[1] = pgm_read_byte(&(sboxes[idx + 1][wm_key[2]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[5]]));
wm_ft[2] = pgm_read_byte(&(sboxes[idx + 1][wm_key[5]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[7]]));
wm_ft[3] = pgm_read_byte(&(sboxes[idx + 1][wm_key[0]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[2]]));
wm_ft[4] = pgm_read_byte(&(sboxes[idx + 1][wm_key[1]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[4]]));
wm_ft[5] = pgm_read_byte(&(sboxes[idx + 1][wm_key[3]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[9]]));
wm_ft[6] = pgm_read_byte(&(sboxes[idx + 1][wm_rand[0]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[6]]));
wm_ft[7] = pgm_read_byte(&(sboxes[idx + 1][wm_rand[1]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[8]]));
wm_sb[0] = pgm_read_byte(&(sboxes[idx + 1][wm_key[0]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[1]]));
wm_sb[1] = pgm_read_byte(&(sboxes[idx + 1][wm_key[5]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[4]]));
wm_sb[2] = pgm_read_byte(&(sboxes[idx + 1][wm_key[3]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[0]]));
wm_sb[3] = pgm_read_byte(&(sboxes[idx + 1][wm_key[2]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[9]]));
wm_sb[4] = pgm_read_byte(&(sboxes[idx + 1][wm_key[4]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[7]]));
wm_sb[5] = pgm_read_byte(&(sboxes[idx + 1][wm_key[1]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[8]]));
wm_sb[6] = pgm_read_byte(&(sboxes[idx + 1][wm_rand[3]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[5]]));
wm_sb[7] = pgm_read_byte(&(sboxes[idx + 1][wm_rand[2]])) ^ pgm_read_byte(&(sboxes[idx + 2][wm_rand[6]]));
}
#define wm_crypto_h
#endif