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mirror of https://github.com/esiur/esiur-dotnet.git synced 2025-06-27 13:33:13 +00:00

.Net 6 Upgrade

This commit is contained in:
2021-12-01 12:17:45 +03:00
parent 1166e93ba9
commit 530df018ec
164 changed files with 21247 additions and 21425 deletions

View File

@ -2,12 +2,11 @@
using System.Collections.Generic;
using System.Text;
namespace Esiur.Security.Integrity
{
namespace Esiur.Security.Integrity;
public class CRC16IBM
{
static UInt16[] table = {
public class CRC16IBM
{
static UInt16[] table = {
0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
@ -41,42 +40,40 @@ namespace Esiur.Security.Integrity
0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040};
public static ushort Compute(byte[] data)
public static ushort Compute(byte[] data)
{
return Compute(data, 0, (uint)data.Length);
}
public static ushort Compute(byte[] data, uint offset, uint length)
{
ushort crc = 0;// 0xffff;
ushort x;
for (var i = offset; i < length; i++)
{
return Compute(data, 0, (uint)data.Length);
x = (ushort)(crc ^ data[i]);
crc = (UInt16)((crc >> 8) ^ table[x & 0x00FF]);
}
return crc;
}
public static ushort Compute(byte[] data, uint offset, uint length)
public static ushort Compute2(byte[] data, uint offset, uint length)
{
ushort crc = 0;
for (var i = offset; i < length; i++)
{
ushort crc = 0;// 0xffff;
ushort x;
for (var i = offset; i < length; i++)
crc ^= data[i];
for (var j = 0; j < 8; j++)
{
x = (ushort)(crc ^ data[i]);
crc = (UInt16)((crc >> 8) ^ table[x & 0x00FF]);
var carry = crc & 0x1;
crc >>= 1;
if (carry == 1)
crc ^= 0xa001;
}
return crc;
}
public static ushort Compute2(byte[] data, uint offset, uint length)
{
ushort crc = 0;
for (var i = offset; i < length; i++)
{
crc ^= data[i];
for (var j = 0; j < 8; j++)
{
var carry = crc & 0x1;
crc >>= 1;
if (carry == 1)
crc ^= 0xa001;
}
}
return crc;
}
return crc;
}
}