/// <summary>
/// 接收到需要返回解密的处理方式
/// </summary>
/// <returns>解密后的内容</returns>
private string ReciveNeedDecrypt(Socket socketSend)
{
RSAKey rk = new RSAKey();
RSAChange rDecrypt = new RSAChange();
///接收
byte[] buffer = new byte[1024 * 5]; //一次为5k
int r = socketSend.Receive(buffer); //接收
string str = Encoding.UTF8.GetString(buffer, 0, r); //转成字符串
///解密
string strDecrypt = rDecrypt.RSADecrypt(rk.getRSAKey(@"privateKey.xml"), str);//解密
return(strDecrypt);
}
/// <summary>
/// 接收到需要返回公钥的处理方式
/// </summary>
/// <param name="socketSend">需回复的ip</param>
private void ReciveNeedPublicKey(Socket socketSend)
{
RSAKey rk = new RSAKey();
rk.setRSAKey(@"privateKey.xml", @"publicKey.xml");//创建公钥私钥，并写入指定文件夹内
///序号
string typeStr = "PK";
byte[] numByte = Encoding.UTF8.GetBytes(typeStr);
///公钥
string keyStr = rk.getRSAKey(@"publicKey.xml");
byte[] keyByte = Encoding.UTF8.GetBytes(keyStr);
///发送
socketSend.Send(numByte, 2, 0); //发送序号
socketSend.Send(keyByte, keyByte.Length, 0); //发送公钥
}