public static void SplitCalculateDataCrc(int splitIndex, int blockSize, byte[] data, long expectedChunkCrc, out long crc1, out long crc2)
{
crc1 = CrcUtils.ComputeCrc(data, 0, splitIndex + 1);
int num = blockSize - splitIndex - 1;
crc2 = CrcUtils.ComputeCrc(data, splitIndex + 1, num);
long num1 = CrcUtils.ConcatenateCrc(crc1, (long)(splitIndex + 1), crc2, (long)num);
if (num1 != expectedChunkCrc)
{
throw new CrcMismatchException("Hit CRC mismatch while calculating data CRCs and splitting.", expectedChunkCrc, num1, true);
}
}
public static void SplitCalculateDataCrc(int splitIndex1, int splitIndex2, int blockSize, byte[] data, long expectedChunkCrc, out long crc1, out long crc2, out long crc3)
{
int num = splitIndex1 + 1;
crc1 = CrcUtils.ComputeCrc(data, 0, num);
int num1 = splitIndex2 - splitIndex1;
crc2 = CrcUtils.ComputeCrc(data, splitIndex1 + 1, num1);
int num2 = blockSize - splitIndex2 - 1;
crc3 = CrcUtils.ComputeCrc(data, splitIndex2 + 1, num2);
long num3 = CrcUtils.ConcatenateCrc(crc1, (long)num, crc2, (long)num1);
num3 = CrcUtils.ConcatenateCrc(num3, (long)(num + num1), crc3, (long)num2);
if (num3 != expectedChunkCrc)
{
throw new CrcMismatchException("Hit CRC mismatch while calculating data CRCs and splitting in 3 ways.", expectedChunkCrc, num3, true);
}
}