public override string GetString()
{
StringBuilder buffer = new StringBuilder("#");
byte[] str = GetDerEncoded();
for (int i = 0; i != str.Length; i++)
{
uint ubyte = str[i];
buffer.Append(table[(ubyte >> 4) & 0xf]);
buffer.Append(table[str[i] & 0xf]);
}
return buffer.ToString();
}