public override bool Encode(object parames)
{
//return base.Encode(parames, buffer, index);
XorPacketParameter xpp = (XorPacketParameter)parames;
xpp.RandomFirst = (byte)(Utility.GlobalRandon.Next(128));
xpp.RandomSecond = (byte)(Utility.GlobalRandon.Next(128));
encode(xpp);
return(true);
}
public override bool Decode(object parames, byte[] buf, int index)
{
XorPacketParameter xpp = (XorPacketParameter)parames;
xpp.Encode_1 = buf[index];
xpp.Encode_2 = buf[index + 1];
xpp.Encode_3 = buf[index + 2];
xpp.Encode_4 = buf[index + 3];
decode(xpp);
return(true);
}
public override bool Encode(object parames, byte[] buf, int index)
{
//return base.Encode(parames, buf, index);
XorPacketParameter xpp = (XorPacketParameter)parames;
xpp.RandomFirst = (byte)(Utility.GlobalRandon.Next(128));
xpp.RandomSecond = (byte)(Utility.GlobalRandon.Next(128));
encode(xpp);
buf[index] = xpp.Encode_1;
buf[index + 1] = xpp.Encode_2;
buf[index + 2] = xpp.Encode_3;
buf[index + 3] = xpp.Encode_4;
return(true);
}
/*
* public override byte[] Encode(XorParameter parameter)
* {
* //return base.Encode(parames);
* byte first = parameter.Random[0];
* first = (byte)(first % 4);
* byte[] result = parameter.SecurityValue;
* switch (first)
* {
* case 0:
* result[0] = parameter.Random[0];
* result[1] = (byte)(result[0] ^ parameter.RealValue[0]);
* result[2] = parameter.Random[1];
* result[3] = (byte)(result[2] ^ parameter.RealValue[1]);
* break;
* case 1:
* result[0] = parameter.Random[0];
* result[1] = parameter.Random[1];
* result[2] = (byte)(result[0] ^ parameter.RealValue[0]);
* result[3] = (byte)(result[1] ^ parameter.RealValue[1]);
* break;
* case 2:
* result[0] = parameter.Random[0];
* result[1] = parameter.Random[1];
* result[2] = (byte)(result[1] ^ parameter.RealValue[0]);
* result[3] = (byte)(result[0] ^ parameter.RealValue[1]);
* break;
* case 3:
* result[0] = parameter.Random[0];
* result[2] = parameter.Random[1];
* result[1] = (byte)(result[2] ^ parameter.RealValue[1]);
* result[3] = (byte)(result[0] ^ parameter.RealValue[0]);
* break;
* }
* return result;
* }
*
* public override byte[] Decode(XorParameter parameter)
* {
* //return base.Decode(parames);
* byte first = parameter.SecurityValue[0];
* first = (byte)(first % 4);
* byte[] result = parameter.RealValue;//new byte[2];
* switch (first)
* {
* case 0:
* result[0] = (byte)(parameter.SecurityValue[0] ^ parameter.SecurityValue[1]);
* result[1] = (byte)(parameter.SecurityValue[2] ^ parameter.SecurityValue[3]);
* break;
* case 1:
* result[0] = (byte)(parameter.SecurityValue[0] ^ parameter.SecurityValue[2]);
* result[1] = (byte)(parameter.SecurityValue[1] ^ parameter.SecurityValue[3]);
* break;
* case 2:
* result[0] = (byte)(parameter.SecurityValue[1] ^ parameter.SecurityValue[2]);
* result[1] = (byte)(parameter.SecurityValue[0] ^ parameter.SecurityValue[3]);
* break;
* case 3:
* result[0] = (byte)(parameter.SecurityValue[0] ^ parameter.SecurityValue[3]);
* result[1] = (byte)(parameter.SecurityValue[1] ^ parameter.SecurityValue[2]);
* break;
* }
* return result;
* }
*/
private bool decode(XorPacketParameter xpp)
{
byte first = xpp.Encode_1;
first = (byte)(first % 4);
//byte[] result = parameter.RealValue;//new byte[2];
switch (first)
{
case 0:
xpp.Src_1 = (byte)(xpp.Encode_1 ^ xpp.Encode_2);
xpp.Src_2 = (byte)(xpp.Encode_3 ^ xpp.Encode_4);
break;
case 1:
xpp.Src_1 = (byte)(xpp.Encode_1 ^ xpp.Encode_3);
xpp.Src_2 = (byte)(xpp.Encode_2 ^ xpp.Encode_4);
/*
* result[0] = (byte)(parameter.SecurityValue[0] ^ parameter.SecurityValue[2]);
* result[1] = (byte)(parameter.SecurityValue[1] ^ parameter.SecurityValue[3]);
* */
break;
case 2:
xpp.Src_1 = (byte)(xpp.Encode_2 ^ xpp.Encode_3);
xpp.Src_2 = (byte)(xpp.Encode_1 ^ xpp.Encode_4);
/*
* result[0] = (byte)(parameter.SecurityValue[1] ^ parameter.SecurityValue[2]);
* result[1] = (byte)(parameter.SecurityValue[0] ^ parameter.SecurityValue[3]);
* */
break;
case 3:
xpp.Src_1 = (byte)(xpp.Encode_1 ^ xpp.Encode_4);
xpp.Src_2 = (byte)(xpp.Encode_2 ^ xpp.Encode_3);
/*
* result[0] = (byte)(parameter.SecurityValue[0] ^ parameter.SecurityValue[3]);
* result[1] = (byte)(parameter.SecurityValue[1] ^ parameter.SecurityValue[2]);
* */
break;
}
return(true);
}
public override bool Decode(object parames, Lishate.Utility.RingBuffer buffer, int index)
{
//return base.Decode(parames, buffer, index);
XorPacketParameter xpp = (XorPacketParameter)parames;
byte temp = 0;
if (buffer.GetIndexByte(index, ref temp) == true)
{
xpp.Encode_1 = temp;
}
else
{
return(false);
}
if (buffer.GetIndexByte(index + 1, ref temp) == true)
{
xpp.Encode_2 = temp;
}
else
{
return(false);
}
if (buffer.GetIndexByte(index + 2, ref temp) == true)
{
xpp.Encode_3 = temp;
}
else
{
return(false);
}
if (buffer.GetIndexByte(index + 3, ref temp) == true)
{
xpp.Encode_4 = temp;
}
else
{
return(false);
}
decode(xpp);
return(true);
}
private bool encode(XorPacketParameter xpp)
{
byte first = xpp.RandomFirst;
first = (byte)(first % 4);
switch (first)
{
case 0:
xpp.Encode_1 = xpp.RandomFirst;
xpp.Encode_2 = (byte)(xpp.Encode_1 ^ xpp.Src_1);
xpp.Encode_3 = xpp.RandomSecond;
xpp.Encode_4 = (byte)(xpp.Encode_3 ^ xpp.Src_2);
/*
* result[0] = parameter.Random[0];
* result[1] = (byte)(result[0] ^ parameter.RealValue[0]);
* result[2] = parameter.Random[1];
* result[3] = (byte)(result[2] ^ parameter.RealValue[1]);
* */
break;
case 1:
xpp.Encode_1 = xpp.RandomFirst;
xpp.Encode_2 = xpp.RandomSecond;
xpp.Encode_3 = (byte)(xpp.Encode_1 ^ xpp.Src_1);
xpp.Encode_4 = (byte)(xpp.Encode_2 ^ xpp.Src_2);
/*
* result[0] = parameter.Random[0];
* result[1] = parameter.Random[1];
* result[2] = (byte)(result[0] ^ parameter.RealValue[0]);
* result[3] = (byte)(result[1] ^ parameter.RealValue[1]);
* */
break;
case 2:
xpp.Encode_1 = xpp.RandomFirst;
xpp.Encode_2 = xpp.RandomSecond;
xpp.Encode_3 = (byte)(xpp.Encode_2 ^ xpp.Src_1);
xpp.Encode_4 = (byte)(xpp.Encode_1 ^ xpp.Src_2);
/*
* result[0] = parameter.Random[0];
* result[1] = parameter.Random[1];
* result[2] = (byte)(result[1] ^ parameter.RealValue[0]);
* result[3] = (byte)(result[0] ^ parameter.RealValue[1]);
* */
break;
case 3:
xpp.Encode_1 = xpp.RandomFirst;
xpp.Encode_3 = xpp.RandomSecond;
xpp.Encode_2 = (byte)(xpp.Encode_3 ^ xpp.Src_2);
xpp.Encode_4 = (byte)(xpp.Encode_1 ^ xpp.Src_1);
/*
* result[0] = parameter.Random[0];
* result[2] = parameter.Random[1];
* result[1] = (byte)(result[2] ^ parameter.RealValue[1]);
* result[3] = (byte)(result[0] ^ parameter.RealValue[0]);
* */
break;
}
return(true);
}
