/// <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>
/// 加密并发送信息
/// </summary>
/// <param name="RSAPublicKey">获得的公钥</param>
/// <param name="content">需加密的内容</param>
/// <returns>加密后的内容</returns>
private byte[] Encrypt(Socket socketSend, string RSAPublicKey, string content)
{
///加密
RSAChange rsa = new RSAChange();
string encryptStr = rsa.RSAEncrypt(RSAPublicKey, content); //加密
byte[] buffer = Encoding.UTF8.GetBytes(encryptStr); //转换成可以传输的类型
///发送类型
string type = "ND";
byte[] typeB = Encoding.UTF8.GetBytes(type);
///发送
socketSend.Send(typeB); //发送类型
socketSend.Send(buffer); //发送加密后结果
return(buffer);
}