//将8个byte数合并为一个ulong型数据
//Tested
public static ulong BytToUlon(byte [] bytearray, int i)
{
ulong rtnlon;
ulong rtnlon1 = bytearray[i];
ulong rtnlon2 = bytearray[i + 1];
ulong rtnlon3 = bytearray[i + 2];
ulong rtnlon4 = bytearray[i + 3];
ulong rtnlon5 = bytearray[i + 4];
ulong rtnlon6 = bytearray[i + 5];
ulong rtnlon7 = bytearray[i + 6];
ulong rtnlon8 = bytearray[i + 7];
rtnlon1 = RingShift.AbsoluteBit(rtnlon1 << 56, 56, 2);
rtnlon2 = RingShift.AbsoluteBit(rtnlon2 << 48, 48, 2);
rtnlon3 = RingShift.AbsoluteBit(rtnlon3 << 40, 40, 2);
rtnlon4 = RingShift.AbsoluteBit(rtnlon4 << 32, 32, 2);
rtnlon5 = RingShift.AbsoluteBit(rtnlon5 << 24, 24, 2);
rtnlon6 = RingShift.AbsoluteBit(rtnlon6 << 16, 16, 2);
rtnlon7 = RingShift.AbsoluteBit(rtnlon7 << 8, 8, 2);
rtnlon8 = RingShift.AbsoluteBit(rtnlon8, 0, 2);
rtnlon = rtnlon1 | rtnlon2 | rtnlon3 | rtnlon4 | rtnlon5 | rtnlon6 | rtnlon7 | rtnlon8;
return(rtnlon);
}
public static ulong CyclicShift4(ulong x)
{
rtnulon = RingShift.CyclicShift(x, 19) ^ RingShift.CyclicShift(x, 61) ^ RingShift.AbsoluteBit(x >> 6, 6, 1);
return(rtnulon);
}
//数据循环移位与移位后相与
public static ulong CyclicShift3(ulong x)
{
rtnulon = RingShift.CyclicShift(x, 1) ^ RingShift.CyclicShift(x, 8) ^ RingShift.AbsoluteBit(x >> 7, 7, 1);
return(rtnulon);
}
public static ulong CyclicShift2(ulong x)
{
rtnulon = RingShift.CyclicShift(x, 14) ^ RingShift.CyclicShift(x, 18) ^ RingShift.CyclicShift(x, 41);
return(rtnulon);
}
//数据仅循环移位后相与
public static ulong CyclicShift1(ulong x)
{
rtnulon = RingShift.CyclicShift(x, 28) ^ RingShift.CyclicShift(x, 34) ^ RingShift.CyclicShift(x, 39);
return(rtnulon);
}