public static byte[] GetBytes(string hexString)
{
int num = 0;
StringBuilder stringBuilder = new StringBuilder();
for (int index = 0; index < hexString.Length; ++index)
{
char c = hexString[index];
if (HexEncoding.IsHexDigit(c))
{
stringBuilder.Append(c);
}
else
{
++num;
}
}
string str = stringBuilder.ToString();
byte[] numArray = new byte[str.Length / 2];
int index1 = 0;
for (int index2 = 0; index2 < numArray.Length; ++index2)
{
string hex = new string(new char[2]
{
str[index1],
str[index1 + 1]
});
numArray[index2] = HexEncoding.HexToByte(hex);
index1 += 2;
}
return(numArray);
}
public static bool InHexFormat(string hexString)
{
bool flag = true;
foreach (char c in hexString)
{
if (!HexEncoding.IsHexDigit(c))
{
flag = false;
break;
}
}
return(flag);
}
public static int GetByteCount(string hexString)
{
int num = 0;
for (int index = 0; index < hexString.Length; ++index)
{
if (HexEncoding.IsHexDigit(hexString[index]))
{
++num;
}
}
if (num % 2 != 0)
{
--num;
}
return(num / 2);
}