/// <summary>Initializes a new instance of the HAVAL class.</summary>
/// <param name="parameters">The parameters to utilize in the HAVAL calculation.</param>
/// <exception cref="ArgumentNullException">When the specified parameters are null.</exception>
public Haval(HavalParameters parameters) : base(128)
{
lock (syncLock) {
if (parameters == null)
{
throw new ArgumentNullException("parameters", Hasher.Properties.Resources.paramCantBeNull);
}
this.parameters = parameters;
HashSizeValue = this.parameters.Length;
}
}
/// <summary>Retrieves a standard set of HAVAL parameters.</summary>
/// <param name="standard">The name of the standard parameter set to retrieve.</param>
/// <returns>The HAVAL Parameters for the given standard.</returns>
public static HavalParameters GetParameters(HavalStandard standard)
{
HavalParameters temp = null;
switch (standard)
{
case HavalStandard.Haval128Bit3Pass: temp = new HavalParameters(3, 128); break;
case HavalStandard.Haval160Bit3Pass: temp = new HavalParameters(3, 160); break;
case HavalStandard.Haval192Bit3Pass: temp = new HavalParameters(3, 192); break;
case HavalStandard.Haval224Bit3Pass: temp = new HavalParameters(3, 224); break;
case HavalStandard.Haval256Bit3Pass: temp = new HavalParameters(3, 256); break;
case HavalStandard.Haval128Bit4Pass: temp = new HavalParameters(4, 128); break;
case HavalStandard.Haval160Bit4Pass: temp = new HavalParameters(4, 160); break;
case HavalStandard.Haval192Bit4Pass: temp = new HavalParameters(4, 192); break;
case HavalStandard.Haval224Bit4Pass: temp = new HavalParameters(4, 224); break;
case HavalStandard.Haval256Bit4Pass: temp = new HavalParameters(4, 256); break;
case HavalStandard.Haval128Bit5Pass: temp = new HavalParameters(5, 128); break;
case HavalStandard.Haval160Bit5Pass: temp = new HavalParameters(5, 160); break;
case HavalStandard.Haval192Bit5Pass: temp = new HavalParameters(5, 192); break;
case HavalStandard.Haval224Bit5Pass: temp = new HavalParameters(5, 224); break;
case HavalStandard.Haval256Bit5Pass: temp = new HavalParameters(5, 256); break;
}
return(temp);
}
/// <summary>Initializes a new instance of the HAVAL class.</summary>
/// <remarks>This constructor implements the default parameters of Haval256Bit5Pass.</remarks>
public Haval() : this(HavalParameters.GetParameters(HavalStandard.Haval256Bit5Pass))
{
}