public BuzHash_Implementation(IBuzHashConfig config)
{
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
_config = config.Clone();
if (_config.Rtab == null || _config.Rtab.Count != 256)
{
throw new ArgumentException($"{nameof(config.Rtab)} must be non-null list of 256 {nameof(UInt64)} values.", $"{nameof(config)}.{nameof(config.Rtab)}");
}
if (!_validHashSizes.Contains(_config.HashSizeInBits))
{
throw new ArgumentOutOfRangeException($"{nameof(config)}.{nameof(config.HashSizeInBits)}", _config.HashSizeInBits, $"{nameof(config)}.{nameof(config.HashSizeInBits)} must be contained within BuzHashBase.ValidHashSizes.");
}
if (_config.ShiftDirection != CircularShiftDirection.Left && _config.ShiftDirection != CircularShiftDirection.Right)
{
throw new ArgumentOutOfRangeException($"{nameof(config)}.{nameof(config.ShiftDirection)}", _config.ShiftDirection, $"{nameof(config)}.{nameof(config.ShiftDirection)} must be a valid {nameof(CircularShiftDirection)} value.");
}
}
public BlockTransformer_8Bit(IBuzHashConfig config)
: this()
{
_rtab = config.Rtab;
_shiftDirection = config.ShiftDirection;
_hashValue = (byte)config.Seed;
}
/// <summary>
/// Creates a new <see cref="IBuzHash" /> instance with given configuration.
/// </summary>
/// <param name="config">The configuration to use.</param>
/// <returns>
/// A <see cref="IBuzHash" /> instance.
/// </returns>
/// <exception cref="ArgumentNullException">config</exception>
public IBuzHash Create(IBuzHashConfig config)
{
if (config == null)
{
throw new ArgumentNullException(nameof(config));
}
return(new BuzHash_Implementation(config));
}
