public CloneableHash(int hash, HashType type, int size)
{
m_Provider = CAPIProvider.Handle;
m_Type = type;
m_Size = size;
m_Disposed = false;
if (SspiProvider.CryptDuplicateHash(hash, IntPtr.Zero, 0, out m_Hash) == 0)
{
throw new CryptographicException("Couldn't duplicate hash.");
}
}