0x20400010, 0x00000000, 0x00404010, 0x20404000,        0x00004010, 0x00404000, 0x20404000, 0x20000000,        0x20004000, 0x00000010, 0x20400010, 0x00404000,        0x20404010, 0x00400000, 0x00004010, 0x20000010,        0x00400000, 0x20004000, 0x20000000, 0x00004010,        0x20000010, 0x20404010, 0x00404000, 0x20400000,        0x00404010, 0x20404000, 0x00000000, 0x20400010,        0x00000010, 0x00004000, 0x20400000, 0x00404010,        0x00004000, 0x00400010, 0x20004010, 0x00000000,        0x20404000, 0x20000000, 0x00400010, 0x20004010    };    static int[] SP7 = {        0x00200000, 0x04200002, 0x04000802, 0x00000000,        0x00000800, 0x04000802, 0x00200802, 0x04200800,        0x04200802, 0x00200000, 0x00000000, 0x04000002,        0x00000002, 0x04000000, 0x04200002, 0x00000802,        0x04000800, 0x00200802, 0x00200002, 0x04000800,        0x04000002, 0x04200000, 0x04200800, 0x00200002,        0x04200000, 0x00000800, 0x00000802, 0x04200802,        0x00200800, 0x00000002, 0x04000000, 0x00200800,        0x04000000, 0x00200800, 0x00200000, 0x04000802,        0x04000802, 0x04200002, 0x04200002, 0x00000002,        0x00200002, 0x04000000, 0x04000800, 0x00200000,        0x04200800, 0x00000802, 0x00200802, 0x04200800,        0x00000802, 0x04000002, 0x04200802, 0x04200000,        0x00200800, 0x00000000, 0x00000002, 0x04200802,        0x00000000, 0x00200802, 0x04200000, 0x00000800,        0x04000002, 0x04000800, 0x00000800, 0x00200002    };    static int[] SP8 = {        0x10001040, 0x00001000, 0x00040000, 0x10041040,        0x10000000, 0x10001040, 0x00000040, 0x10000000,        0x00040040, 0x10040000, 0x10041040, 0x00041000,        0x10041000, 0x00041040, 0x00001000, 0x00000040,        0x10040000, 0x10000040, 0x10001000, 0x00001040,        0x00041000, 0x00040040, 0x10040040, 0x10041000,        0x00001040, 0x00000000, 0x00000000, 0x10040040,        0x10000040, 0x10001000, 0x00041040, 0x00040000,        0x00041040, 0x00040000, 0x10041000, 0x00001000,        0x00000040, 0x10040040, 0x00001000, 0x00041040,        0x10001000, 0x00000040, 0x10000040, 0x10040000,        0x10040040, 0x10000000, 0x00040000, 0x10001040,        0x00000000, 0x10041040, 0x00040040, 0x10000040,        0x10040000, 0x10001000, 0x10001040, 0x00000000,        0x10041040, 0x00041000, 0x00041000, 0x00001040,        0x00001040, 0x00040040, 0x10000000, 0x10041000    };    /**     * generate an integer based working key based on our secret key     * and what we processing we are planning to do.     *     * Acknowledgements for this routine go to James Gillogly & Phil Karn.     *         (whoever, and wherever they are!).     */    protected int[] generateWorkingKey(        boolean encrypting,        byte[]  key)    {        int[]       newKey = new int[32];        boolean[]   pc1m = new boolean[56],                    pcr = new boolean[56];        for (int j = 0; j < 56; j++)        {            int    l = pc1[j];            pc1m[j] = ((key[l >>> 3] & bytebit[l & 07]) != 0);        }        for (int i = 0; i < 16; i++)        {            int    l, m, n;            if (encrypting)            {                m = i << 1;            }            else            {                m = (15 - i) << 1;            }            n = m + 1;            newKey[m] = newKey[n] = 0;            for (int j = 0; j < 28; j++)            {                l = j + totrot[i];                if (l < 28)                {                    pcr[j] = pc1m[l];                }                else                {                    pcr[j] = pc1m[l - 28];                }            }            for (int j = 28; j < 56; j++)            {                l = j + totrot[i];                if (l < 56)                {                    pcr[j] = pc1m[l];                }                else                {                    pcr[j] = pc1m[l - 28];                }            }            for (int j = 0; j < 24; j++)            {                if (pcr[pc2[j]])                {                    newKey[m] |= bigbyte[j];                }                if (pcr[pc2[j + 24]])                {                    newKey[n] |= bigbyte[j];                }            }        }        //        // store the processed key        //        for (int i = 0; i != 32; i += 2)        {            int    i1, i2;            i1 = newKey[i];            i2 = newKey[i + 1];            newKey[i] = ((i1 & 0x00fc0000) << 6) | ((i1 & 0x00000fc0) << 10)                                   | ((i2 & 0x00fc0000) >>> 10) | ((i2 & 0x00000fc0) >>> 6);            newKey[i + 1] = ((i1 & 0x0003f000) << 12) | ((i1 & 0x0000003f) << 16)                                   | ((i2 & 0x0003f000) >>> 4) | (i2 & 0x0000003f);        }        return newKey;    }    /**     * the DES engine.     */    protected void desFunc(        int[]   wKey,        byte[]  in,        int     inOff,        byte[]  out,        int     outOff)    {        int     work, right, left;        left     = (in[inOff + 0] & 0xff) << 24;        left    |= (in[inOff + 1] & 0xff) << 16;        left    |= (in[inOff + 2] & 0xff) << 8;        left    |= (in[inOff + 3] & 0xff);        right     = (in[inOff + 4] & 0xff) << 24;        right    |= (in[inOff + 5] & 0xff) << 16;        right    |= (in[inOff + 6] & 0xff) << 8;        right    |= (in[inOff + 7] & 0xff);        work = ((left >>> 4) ^ right) & 0x0f0f0f0f;        right ^= work;        left ^= (work << 4);        work = ((left >>> 16) ^ right) & 0x0000ffff;        right ^= work;        left ^= (work << 16);        work = ((right >>> 2) ^ left) & 0x33333333;        left ^= work;        right ^= (work << 2);        work = ((right >>> 8) ^ left) & 0x00ff00ff;        left ^= work;        right ^= (work << 8);        right = ((right << 1) | ((right >>> 31) & 1)) & 0xffffffff;        work = (left ^ right) & 0xaaaaaaaa;        left ^= work;        right ^= work;        left = ((left << 1) | ((left >>> 31) & 1)) & 0xffffffff;        for (int round = 0; round < 8; round++)        {            int     fval;            work  = (right << 28) | (right >>> 4);            work ^= wKey[round * 4 + 0];            fval  = SP7[ work      & 0x3f];            fval |= SP5[(work >>>  8) & 0x3f];            fval |= SP3[(work >>> 16) & 0x3f];            fval |= SP1[(work >>> 24) & 0x3f];            work  = right ^ wKey[round * 4 + 1];            fval |= SP8[ work      & 0x3f];            fval |= SP6[(work >>>  8) & 0x3f];            fval |= SP4[(work >>> 16) & 0x3f];            fval |= SP2[(work >>> 24) & 0x3f];            left ^= fval;            work  = (left << 28) | (left >>> 4);            work ^= wKey[round * 4 + 2];            fval  = SP7[ work      & 0x3f];            fval |= SP5[(work >>>  8) & 0x3f];            fval |= SP3[(work >>> 16) & 0x3f];            fval |= SP1[(work >>> 24) & 0x3f];            work  = left ^ wKey[round * 4 + 3];            fval |= SP8[ work      & 0x3f];            fval |= SP6[(work >>>  8) & 0x3f];            fval |= SP4[(work >>> 16) & 0x3f];            fval |= SP2[(work >>> 24) & 0x3f];            right ^= fval;        }        right = (right << 31) | (right >>> 1);        work = (left ^ right) & 0xaaaaaaaa;        left ^= work;        right ^= work;        left = (left << 31) | (left >>> 1);        work = ((left >>> 8) ^ right) & 0x00ff00ff;        right ^= work;        left ^= (work << 8);        work = ((left >>> 2) ^ right) & 0x33333333;        right ^= work;        left ^= (work << 2);        work = ((right >>> 16) ^ left) & 0x0000ffff;        left ^= work;        right ^= (work << 16);        work = ((right >>> 4) ^ left) & 0x0f0f0f0f;        left ^= work;        right ^= (work << 4);        out[outOff + 0] = (byte)((right >>> 24) & 0xff);        out[outOff + 1] = (byte)((right >>> 16) & 0xff);        out[outOff + 2] = (byte)((right >>>  8) & 0xff);        out[outOff + 3] = (byte)(right         & 0xff);        out[outOff + 4] = (byte)((left >>> 24) & 0xff);        out[outOff + 5] = (byte)((left >>> 16) & 0xff);        out[outOff + 6] = (byte)((left >>>  8) & 0xff);        out[outOff + 7] = (byte)(left         & 0xff);    }}