private void SendKey()
{
string msg = RSAProcessor.RSAEncrypt(publicKey, keyCreateRandom) + "<KEY><EOF>";
byte[] msgBytes = UTF32Encoding.Default.GetBytes(msg);
clientCommunicateSocket.BeginSend(msgBytes, 0, msgBytes.Length, SocketFlags.None, null, null);
ListBoxClientShow(string.Format("发送：{0}", keyCreateRandom));
}
private void ProcessAndShowInServer()
{
string msg = messageFromClient.ToString();
//如果接收到<EOF>则表示完成完成一次，否则继续将自己置于接收状态
if (msg.IndexOf("<EOF>") > -1)
{
//如果客户端发送key，则负责初始化key
if (msg.IndexOf("<KEY>") > -1)
{
//用私钥解密发送过来的Key信息
key = RSAProcessor.RSADecrypt(pfxKey, msg.Substring(0, msg.Length - 10));
ListBoxServerShow(string.Format("接收到客户端密钥：{0}", key));
}
else
{
//解密SSL通道中发送过来的密文并显式
ListBoxServerShow(string.Format("接收到客户端消息：{0}", RijndaelProcessor.DencryptString(msg.Substring(0, msg.Length - 5), key)));
}
messageFromClient.Clear();
}
}
/// <summary>
/// 先生成数字证书（模拟，即非对称密钥对）
/// </summary>
private void RSAKeyInit()
{
RSAProcessor.CreateRSAKey(ref publicKey, ref pfxKey);
}