public static ulong smethod_2(ulong dataSize)
{
ulong num = (ulong)((long)dataSize + 8L - 1L & -8L);
uint k = Class746.class746_0.K;
ulong pageSize = (ulong)((long)num * 2L + (long)k - 1L) / (ulong)k * (ulong)byte.MaxValue;
return(pageSize >= 1024UL ? Class996.smethod_1(pageSize) : 1024UL);
}
public static unsafe uint smethod_3(ulong seed, byte[] data, uint start, uint length)
{
seed = (ulong)(((long)seed + (long)length) * 214013L + 2531011L);
uint sum1 = (uint)(seed & (ulong)ushort.MaxValue);
uint sum2 = (uint)(seed >> 16 & (ulong)ushort.MaxValue);
fixed(byte *numPtr = data)
{
byte *p = numPtr + (int)start;
while (length != 0U)
{
uint num1 = Math.Min(5552U, length);
length -= num1;
uint num2 = num1 >> 3;
while (num2-- > 0U)
{
Class996.smethod_5(p + 6, ref sum1, ref sum2);
Class996.smethod_5(p + 4, ref sum1, ref sum2);
Class996.smethod_5(p + 2, ref sum1, ref sum2);
Class996.smethod_5(p, ref sum1, ref sum2);
p += 8;
}
uint num3 = num1 & 7U;
if (num3 > 0U)
{
switch (num3)
{
case 1:
Class996.smethod_4(p, ref sum1, ref sum2);
break;
case 2:
Class996.smethod_5(p, ref sum1, ref sum2);
break;
case 3:
Class996.smethod_5(p, ref sum1, ref sum2);
Class996.smethod_4(p + 2, ref sum1, ref sum2);
break;
case 4:
Class996.smethod_5(p + 2, ref sum1, ref sum2);
Class996.smethod_5(p, ref sum1, ref sum2);
break;
case 5:
Class996.smethod_5(p + 2, ref sum1, ref sum2);
Class996.smethod_5(p, ref sum1, ref sum2);
Class996.smethod_4(p + 4, ref sum1, ref sum2);
break;
case 6:
Class996.smethod_5(p + 2, ref sum1, ref sum2);
Class996.smethod_5(p, ref sum1, ref sum2);
Class996.smethod_5(p + 4, ref sum1, ref sum2);
break;
case 7:
Class996.smethod_5(p + 2, ref sum1, ref sum2);
Class996.smethod_5(p, ref sum1, ref sum2);
Class996.smethod_5(p + 4, ref sum1, ref sum2);
Class996.smethod_4(p + 6, ref sum1, ref sum2);
break;
}
p += (int)num3;
}
sum1 %= 65521U;
sum2 %= 65521U;
}
}
return((uint)((int)sum2 << 16 | (int)sum1 & (int)ushort.MaxValue));
}