/// <summary>
/// Initializes a new instance of the <see cref="CrcHashAlgorithm{TTable}"/> class.
/// </summary>
/// <param name="type">The type.</param>
public CrcHashAlgorithm(CRCTypes type)
{
FieldInfo fi = type.GetType().GetField(type.ToString());
DescriptionAttribute m = fi.GetCustomAttributes(typeof(DescriptionAttribute), false).Single() as DescriptionAttribute;
if (m == null)
{
throw new ArgumentNullException("Not exist description attribute.");
}
CrcName = m.Description;
if (!Paramters.ContainsKey(CrcName))
{
throw new ArgumentException();
}
Paramter = Paramters[CrcName];
CrcType = type;
}
/// <summary>
/// Initializes a new instance of the <see cref="CRC32"/> class.
/// </summary>
/// <param name="type">The type.</param>
public CRC32(CRCTypes type) : base(type)
{
Mask = uint.MaxValue >> (byte)(16 - Paramter.Width);
Initialize();
}
/// <summary>
/// Initializes a new instance of the <see cref="CRC8"/> class.
/// </summary>
/// <param name="type">The type.</param>
public CRC8(CRCTypes type) : base(type)
{
Mask = (byte)(byte.MaxValue >> (byte)(16 - Paramter.Width));
Initialize();
}
/// <summary>
/// Initializes a new instance of the <see cref="CRC16"/> class.
/// </summary>
/// <param name="type">The type.</param>
public CRC16(CRCTypes type) : base(type)
{
Mask = (ushort)(ushort.MaxValue >> (byte)(16 - Paramter.Width));
Initialize();
}