#define BC    4
 #define KC    4
 #define ROUNDS   10
typedef unsigned char word8;
typedef unsigned int word32;
word8 Logtable[256]=
{0X00,  0XFF,  0X19,  0X01,  0X32,  0X02,  0X1A,  0XC6,  0X4B,  0XC7,
0X1B,  0X68,  0X33,  0XEE,  0XDF,  0X03,  0X64,  0X04,  0XE0,  0X0E,
0X34,  0X8D,  0X81,  0XEF,  0X4C,  0X71,  0X08,  0XC8,  0XF8,  0X69,
0X1C,  0XC1,  0X7D,  0XC2,  0X1D,  0XB5,  0XF9,  0XB9,  0X27,  0X6A,
0X4D,  0XE4,  0XA6,  0X72,  0X9A,  0XC9,  0X09,  0X78,  0X65,  0X2F,
0X8A,  0X05,  0X21,  0X0F,  0XE1,  0X24,  0X12,  0XF0,  0X82,  0X45,
0X35,  0X93,  0XDA,  0X8E,  0X96,  0X8F,  0XDB,  0XBD,  0X36,  0XD0,
0XCE,  0X94,  0X13,  0X5C,  0XD2,  0XF1,  0X40,  0X46,  0X83,  0X38,
0X66,  0XDD,  0XFD,  0X30,  0XBF,  0X06,  0X8B,  0X62,  0XB3,  0X25,
0XE2,  0X98,  0X22,  0X88,  0X91,  0X10,  0X7E,  0X6E,  0X48,  0XC3,
0XA3,  0XB6,  0X1E,  0X42,  0X3A,  0X6B,  0X28,  0X54,  0XFA,  0X85,
0X3D,  0XBA,  0X2B,  0X79,  0X0A,  0X15,  0X9B,  0X9F,  0X5E,  0XCA,
0X4E,  0XD4,  0XAC,  0XE5,  0XF3,  0X73,  0XA7,  0X57,  0XAF,  0X58,
0XA8,  0X50,  0XF4,  0XEA,  0XD6,  0X74,  0X4F,  0XAE,  0XE9,  0XD5,
0XE7,  0XE6,  0XAD,  0XE8,  0X2C,  0XD7,  0X75,  0X7A,  0XEB,  0X16,
0X0B,  0XF5,  0X59,  0XCB,  0X5F,  0XB0,  0X9C,  0XA9,  0X51,  0XA0,
0X7F,  0X0C,  0XF6,  0X6F,  0X17,  0XC4,  0X49,  0XEC,  0XD8,  0X43,
0X1F,  0X2D,  0XA4,  0X76,  0X7B,  0XB7,  0XCC,  0XBB,  0X3E,  0X5A,
0XFB,  0X60,  0XB1,  0X86,  0X3B,  0X52,  0XA1,  0X6C,  0XAA,  0X55,
0X29,  0X9D,  0X97,  0XB2,  0X87,  0X90,  0X61,  0XBE,  0XDC,  0XFC,
0XBC,  0X95,  0XCF,  0XCD,  0X37,  0X3F,  0X5B,  0XD1,  0X53,  0X39,
0X84,  0X3C,  0X41,  0XA2,  0X6D,  0X47,  0X14,  0X2A,  0X9E,  0X5D,
0X56,  0XF2,  0XD3,  0XAB,  0X44,  0X11,  0X92,  0XD9,  0X23,  0X20,
0X2E,  0X89,  0XB4,  0X7C,  0XB8,  0X26,  0X77,  0X99,  0XE3,  0XA5,
0X67,  0X4A,  0XED,  0XDE,  0XC5,  0X31,  0XFE,  0X18,  0X0D,  0X63,
0X8C,  0X80,  0XC0,  0XF7,  0X70,  0X07};
word8 Alogtable[256]=
{0X01,  0X03,  0X05,  0X0F,  0X11,  0X33,  0X55,  0XFF,  0X1A,  0X2E,
0X72,  0X96,  0XA1,  0XF8,  0X13,  0X35,  0X5F,  0XE1,  0X38,  0X48,
0XD8,  0X73,  0X95,  0XA4,  0XF7,  0X02,  0X06,  0X0A,  0X1E,  0X22,
0X66,  0XAA,  0XE5,  0X34,  0X5C,  0XE4,  0X37,  0X59,  0XEB,  0X26,
0X6A,  0XBE,  0XD9,  0X70,  0X90,  0XAB,  0XE6,  0X31,  0X53,  0XF5,
0X04,  0X0C,  0X14,  0X3C,  0X44,  0XCC,  0X4F,  0XD1,  0X68,  0XB8,
0XD3,  0X6E,  0XB2,  0XCD,  0X4C,  0XD4,  0X67,  0XA9,  0XE0,  0X3B,
0X4D,  0XD7,  0X62,  0XA6,  0XF1,  0X08,  0X18,  0X28,  0X78,  0X88,
0X83,  0X9E,  0XB9,  0XD0,  0X6B,  0XBD,  0XDC,  0X7F,  0X81,  0X98,
0XB3,  0XCE,  0X49,  0XDB,  0X76,  0X9A,  0XB5,  0XC4,  0X57,  0XF9,
0X10,  0X30,  0X50,  0XF0,  0X0B,  0X1D,  0X27,  0X69,  0XBB,  0XD6,
0X61,  0XA3,  0XFE,  0X19,  0X2B,  0X7D,  0X87,  0X92,  0XAD,  0XEC,
0X2F,  0X71,  0X93,  0XAE,  0XE9,  0X20,  0X60,  0XA0,  0XFB,  0X16,
0X3A,  0X4E,  0XD2,  0X6D,  0XB7,  0XC2,  0X5D,  0XE7,  0X32,  0X56,
0XFA,  0X15,  0X3F,  0X41,  0XC3,  0X5E,  0XE2,  0X3D,  0X47,  0XC9,
0X40,  0XC0,  0X5B,  0XED,  0X2C,  0X74,  0X9C,  0XBF,  0XDA,  0X75,
0X9F,  0XBA,  0XD5,  0X64,  0XAC,  0XEF,  0X2A,  0X7E,  0X82,  0X9D,
0XBC,  0XDF,  0X7A,  0X8E,  0X89,  0X80,  0X9B,  0XB6,  0XC1,  0X58,
0XE8,  0X23,  0X65,  0XAF,  0XEA,  0X25,  0X6F,  0XB1,  0XC8,  0X43,
0XC5,  0X54,  0XFC,  0X1F,  0X21,  0X63,  0XA5,  0XF4,  0X07,  0X09,
0X1B,  0X2D,  0X77,  0X99,  0XB0,  0XCB,  0X46,  0XCA,  0X45,  0XCF,
0X4A,  0XDE,  0X79,  0X8B,  0X86,  0X91,  0XA8,  0XE3,  0X3E,  0X42,
0XC6,  0X51,  0XF3,  0X0E,  0X12,  0X36,  0X5A,  0XEE,  0X29,  0X7B,
0X8D,  0X8C,  0X8F,  0X8A,  0X85,  0X94,  0XA7,  0XF2,  0X0D,  0X17,
0X39,  0X4B,  0XDD,  0X7C,  0X84,  0X97,  0XA2,  0XFD,  0X1C,  0X24,
0X6C,  0XB4,  0XC7,  0X52,  0XF6,  0X01};
word8 S[256]=
{0X63,  0X7C,  0X77,  0X7B,  0XF2,  0X6B,  0X6F,  0XC5,  0X30,  0X01,
0X67,  0X2B,  0XFE,  0XD7,  0XAB,  0X76,  0XCA,  0X82,  0XC9,  0X7D,
0XFA,  0X59,  0X47,  0XF0,  0XAD,  0XD4,  0XA2,  0XAF,  0X9C,  0XA4,
0X72,  0XC0,  0XB7,  0XFD,  0X93,  0X26,  0X36,  0X3F,  0XF7,  0XCC,
0X34,  0XA5,  0XE5,  0XF1,  0X71,  0XD8,  0X31,  0X15,  0X04,  0XC7,
0X23,  0XC3,  0X18,  0X96,  0X05,  0X9A,  0X07,  0X12,  0X80,  0XE2,
0XEB,  0X27,  0XB2,  0X75,  0X09,  0X83,  0X2C,  0X1A,  0X1B,  0X6E,
0X5A,  0XA0,  0X52,  0X3B,  0XD6,  0XB3,  0X29,  0XE3,  0X2F,  0X84,
0X53,  0XD1,  0X00,  0XED,  0X20,  0XFC,  0XB1,  0X5B,  0X6A,  0XCB,
0XBE,  0X39,  0X4A,  0X4C,  0X58,  0XCF,  0XD0,  0XEF,  0XAA,  0XFB,
0X43,  0X4D,  0X33,  0X85,  0X45,  0XF9,  0X02,  0X7F,  0X50,  0X3C,
0X9F,  0XA8,  0X51,  0XA3,  0X40,  0X8F,  0X92,  0X9D,  0X38,  0XF5,
0XBC,  0XB6,  0XDA,  0X21,  0X10,  0XFF,  0XF3,  0XD2,  0XCD,  0X0C,
0X13,  0XEC,  0X5F,  0X97,  0X44,  0X17,  0XC4,  0XA7,  0X7E,  0X3D,
0X64,  0X5D,  0X19,  0X73,  0X60,  0X81,  0X4F,  0XDC,  0X22,  0X2A,
0X90,  0X88,  0X46,  0XEE,  0XB8,  0X14,  0XDE,  0X5E,  0X0B,  0XDB,
0XE0,  0X32,  0X3A,  0X0A,  0X49,  0X06,  0X24,  0X5C,  0XC2,  0XD3,
0XAC,  0X62,  0X91,  0X95,  0XE4,  0X79,  0XE7,  0XC8,  0X37,  0X6D,
0X8D,  0XD5,  0X4E,  0XA9,  0X6C,  0X56,  0XF4,  0XEA,  0X65,  0X7A,
0XAE,  0X08,  0XBA,  0X78,  0X25,  0X2E,  0X1C,  0XA6,  0XB4,  0XC6,
0XE8,  0XDD,  0X74,  0X1F,  0X4B,  0XBD,  0X8B,  0X8A,  0X70,  0X3E,
0XB5,  0X66,  0X48,  0X03,  0XF6,  0X0E,  0X61,  0X35,  0X57,  0XB9,
0X86,  0XC1,  0X1D,  0X9E,  0XE1,  0XF8,  0X98,  0X11,  0X69,  0XD9,
0X8E,  0X94,  0X9B,  0X1E,  0X87,  0XE9,  0XCE,  0X55,  0X28,  0XDF,
0X8C,  0XA1,  0X89,  0X0D,  0XBF,  0XE6,  0X42,  0X68,  0X41,  0X99,
0X2D,  0X0F,  0XB0,  0X54,  0XBB,  0X16};
word8 Si[256]=
{0X52,  0X09,  0X6A,  0XD5,  0X30,  0X36,  0XA5,  0X38,  0XBF,  0X40,
0XA3,  0X9E,  0X81,  0XF3,  0XD7,  0XFB,  0X7C,  0XE3,  0X39,  0X82,
0X9B,  0X2F,  0XFF,  0X87,  0X34,  0X8E,  0X43,  0X44,  0XC4,  0XDE,
0XE9,  0XCB,  0X54,  0X7B,  0X94,  0X32,  0XA6,  0XC2,  0X23,  0X3D,
0XEE,  0X4C,  0X95,  0X0B,  0X42,  0XFA,  0XC3,  0X4E,  0X08,  0X2E,
0XA1,  0X66,  0X28,  0XD9,  0X24,  0XB2,  0X76,  0X5B,  0XA2,  0X49,
0X6D,  0X8B,  0XD1,  0X25,  0X72,  0XF8,  0XF6,  0X64,  0X86,  0X68,
0X98,  0X16,  0XD4,  0XA4,  0X5C,  0XCC,  0X5D,  0X65,  0XB6,  0X92,
0X6C,  0X70,  0X48,  0X50,  0XFD,  0XED,  0XB9,  0XDA,  0X5E,  0X15,
0X46,  0X57,  0XA7,  0X8D,  0X9D,  0X84,  0X90,  0XD8,  0XAB,  0X00,
0X8C,  0XBC,  0XD3,  0X0A,  0XF7,  0XE4,  0X58,  0X05,  0XB8,  0XB3,
0X45,  0X06,  0XD0,  0X2C,  0X1E,  0X8F,  0XCA,  0X3F,  0X0F,  0X02,
0XC1,  0XAF,  0XBD,  0X03,  0X01,  0X13,  0X8A,  0X6B,  0X3A,  0X91,
0X11,  0X41,  0X4F,  0X67,  0XDC,  0XEA,  0X97,  0XF2,  0XCF,  0XCE,
0XF0,  0XB4,  0XE6,  0X73,  0X96,  0XAC,  0X74,  0X22,  0XE7,  0XAD,
0X35,  0X85,  0XE2,  0XF9,  0X37,  0XE8,  0X1C,  0X75,  0XDF,  0X6E,
0X47,  0XF1,  0X1A,  0X71,  0X1D,  0X29,  0XC5,  0X89,  0X6F,  0XB7,
0X62,  0X0E,  0XAA,  0X18,  0XBE,  0X1B,  0XFC,  0X56,  0X3E,  0X4B,
0XC6,  0XD2,  0X79,  0X20,  0X9A,  0XDB,  0XC0,  0XFE,  0X78,  0XCD,
0X5A,  0XF4,  0X1F,  0XDD,  0XA8,  0X33,  0X88,  0X07,  0XC7,  0X31,
0XB1,  0X12,  0X10,  0X59,  0X27,  0X80,  0XEC,  0X5F,  0X60,  0X51,
0X7F,  0XA9,  0X19,  0XB5,  0X4A,  0X0D,  0X2D,  0XE5,  0X7A,  0X9F,
0X93,  0XC9,  0X9C,  0XEF,  0XA0,  0XE0,  0X3B,  0X4D,  0XAE,  0X2A,
0XF5,  0XB0,  0XC8,  0XEB,  0XBB,  0X3C,  0X83,  0X53,  0X99,  0X61,
0X17,  0X2B,  0X04,  0X7E,  0XBA,  0X77,  0XD6,  0X26,  0XE1,  0X69,
0X14,  0X63,  0X55,  0X21,  0X0C,  0X7D };
word32 Rc[30]=
{0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80,0x1B,
 0x36,0x6C,0xD8,0xAB,0x4D,0x9A,0x2F,0x5E,0xBC,0x63,
 0xC6,0x97,0x35,0x6A,0xD4,0xB3,0x7D,0xFA,0xEF,0xC5};
 extern void stream_encrypt(word8 * ,word8 * );