/// <summary>
/// Reset the SP20Prng instance
/// </summary>
public void Reset()
{
if (m_seedGenerator != null)
{
m_seedGenerator.Dispose();
m_seedGenerator = null;
}
if (m_rngGenerator != null)
{
m_rngGenerator.Dispose();
m_rngGenerator = null;
}
m_seedGenerator = GetSeedGenerator(m_seedType);
m_rngGenerator = new SBG(m_rndCount);
if (m_seedGenerator != null)
{
m_rngGenerator.Initialize(m_seedGenerator.GetBytes(m_keySize));
}
else
{
m_rngGenerator.Initialize(m_stateSeed);
}
m_rngGenerator.Generate(m_byteBuffer);
m_bufferIndex = 0;
}
/// <summary>
/// Reinitialize the internal state
/// </summary>
public void Reset()
{
if (m_rndGenerator != null)
{
m_rndGenerator.Dispose();
m_rndGenerator = null;
}
m_rndGenerator = new SBG(20);
m_rndGenerator.Initialize(m_stateSeed);
}
/// <summary>
/// Outputs expected values for the SP20Drbg
/// </summary>
public string GetSP20Vector(int KeySize)
{
SBG spd = new SBG();
byte[] key = new byte[KeySize];
byte[] output = new byte[1024];
for (int i = 0; i < KeySize; i++)
{
key[i] = (byte)i;
}
spd.Initialize(key);
spd.Generate(output);
while (output.Length > 32)
{
output = Reduce(output);
}
return(HexConverter.ToString(output));
}
