private static byte[] GetSBox(Gost28147SBox sBox)
{
switch (sBox)
{
case Gost28147SBox.Default: return(null);
case Gost28147SBox.D_Test: return(Gost28147Engine.GetSBox("D-Test"));
case Gost28147SBox.D_A: return(Gost28147Engine.GetSBox("D-A"));
case Gost28147SBox.E_Test: return(Gost28147Engine.GetSBox("E-Test"));
case Gost28147SBox.E_A: return(Gost28147Engine.GetSBox("E-A"));
case Gost28147SBox.E_B: return(Gost28147Engine.GetSBox("E-B"));
case Gost28147SBox.E_C: return(Gost28147Engine.GetSBox("E-C"));
case Gost28147SBox.E_D: return(Gost28147Engine.GetSBox("E-D"));
default: throw new CryptographicException("Unsupported substitution box.");
}
}
/// <summary>
/// GOST3411.
/// <para/>Legal hash size 256 bits.
/// <para/>Uses substitution box "D-A" by default.
/// </summary>
/// <param name="sBox">Substitution box.</param>
public GOST3411(Gost28147SBox sBox) : this(GetSBox(sBox))
{
}
