/// <summary>
/// Generates a seed for the Blinding Polynomial Generation Function
/// </summary>
///
/// <param name="Message">The plain-text message</param>
/// <param name="PubKey">The public key</param>
/// <param name="Bits">Bits of random data</param>
///
/// <returns>A byte array containing a seed value</returns>
private byte[] GetSeed(byte[] Message, IntegerPolynomial PubKey, byte[] Bits)
{
byte[] oid = _encParams.OId;
byte[] hTrunc = PubKey.ToBinaryTrunc(_encParams.Q, _encParams.PkLen / 8);
// sData = OID|m|b|hTrunc
byte[] sData = new byte[oid.Length + Message.Length + Bits.Length + hTrunc.Length];
Array.Copy(oid, 0, sData, 0, oid.Length);
int start = oid.Length;
Array.Copy(Message, 0, sData, start, Message.Length);
start += Message.Length;
Array.Copy(Bits, 0, sData, start, Bits.Length);
start += Bits.Length;
Array.Copy(hTrunc, 0, sData, start, hTrunc.Length);
return sData;
}