// 获取字符串的MD5值，1为UTF-8编码，2位Hex
public static String GetMD5(String strSrc, int index)
{
try
{
if (strSrc == null)
{
MessageBox.Show("输入数据不能为空！", "消息提示框");
}
byte[] byt = null;
if (index == 1)
{
byt = Encoding.UTF8.GetBytes(strSrc);
}
else if (index == 2)
{
byt = MyTools.HexStringToBytes(strSrc);
}
MD5 md5 = new MD5CryptoServiceProvider();
byte[] result = md5.ComputeHash(byt);
return(MyTools.BytesToHexString(result));
}
catch (Exception e)
{
MessageBox.Show(e.Message, "消息提示框");
}
return(null);
}
// 获取源数据UTF-8编码的byte,Hex编码的密钥,返回16进制字符串
public static String Get3DES(String strSrc, string key)
{
SymmetricAlgorithm tdes = new TripleDESCryptoServiceProvider();
// 密钥
tdes.Key = MyTools.HexStringToBytes(key);
// 初始值
tdes.IV = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
// 指定加密的运算模式
tdes.Mode = System.Security.Cryptography.CipherMode.ECB;
// 获取或设置加密算法的填充模式
tdes.Padding = System.Security.Cryptography.PaddingMode.PKCS7;
// 块大小
tdes.BlockSize = 64;
ICryptoTransform ct;
System.IO.MemoryStream ms;
CryptoStream cs;
try
{
ct = tdes.CreateEncryptor(tdes.Key, tdes.IV); // 创建加密对象
byte[] byt = Encoding.UTF8.GetBytes(strSrc); // 转换为byte数组
int len = byt.Length; // 获取数组长度
int diff = 8 - len % 8; // 距8的整数倍还差多少
byte[] byt1 = new byte[len + diff]; // 定义大于byt的最小8的整数倍个空间
Array.Copy(byt, 0, byt1, 0, byt.Length); // 将与数据拷贝过去
byt1[len] = 0x80; //
for (int j = 0; j < diff - 1; j++)
{
byt1[len + j + 1] = 0x00;
}
ms = new System.IO.MemoryStream();
cs = new CryptoStream(ms, ct, CryptoStreamMode.Write);
cs.Write(byt1, 0, byt1.Length);
cs.FlushFinalBlock();
if (cs != null)
{
cs.Close();
}
byte[] temp = ms.ToArray();
byte[] result = new byte[temp.Length - 8];
Array.Copy(temp, 0, result, 0, temp.Length - 8);
return(MyTools.BytesToHexString(result));
}
catch (Exception e)
{
MessageBox.Show(e.Message, "消息提示框");
}
return(null);
}
/** 显示数据 */
private void ShowReadData(byte[] data)
{
this.BeginInvoke(new MethodInvoker(delegate
{
RecvRegionShow(MyTools.BytesToHexString(data), true);
DataCountShow();
}));
}
public static String Get3Mac(String srcStr, string key)
{
try
{
// 获取密钥
string lKey = key.Substring(0, 16);
string rKey = key.Substring(16, 16);
// 初始值
byte[] btIV = new byte[] { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
// 获取3DES加密后的结果
// byte[] bys = MyTools.HexStringToBytes(srcStr);
String strTemp = MyEnctypt.Get3DES(srcStr, key); // 该方法获取源数据UTF-8编码的byte,Hex编码的密钥,返回16进制字符串
byte[] md5 = MyTools.HexStringToBytes(MyEnctypt.GetMD5(strTemp, 2)); // 获取字符串的MD5值，1为UTF-8编码，2为Hex
byte[] bysTemp = new byte[8]; // 临时数组
byte[] bysTemp1 = new byte[8]; // 临时数组
Array.Copy(md5, 0, bysTemp, 0, 8); // 将md5的前8个byte拷贝到bysTemp中
byte[] bysTemp2 = DoXOR(bysTemp, btIV); // 将前8个byte和初始值求异或
for (int i = 1; i < md5.Length / 8; i++) // 轮流DES加密、异或
{
Array.Copy(Encrypt(bysTemp2, lKey), 0, bysTemp, 0, 8); // 加密
Array.Copy(md5, i * 8, bysTemp1, 0, 8); // 获取下一组
Array.Copy(DoXOR(bysTemp, bysTemp1), 0, bysTemp2, 0, 8); // 异或
}
byte[] tail = new byte[] { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
Array.Copy(Encrypt(bysTemp2, lKey), 0, bysTemp, 0, 8); // 加密
Array.Copy(DoXOR(bysTemp, tail), 0, bysTemp2, 0, 8); // 异或
Array.Copy(Encrypt(bysTemp2, lKey), 0, bysTemp, 0, 8); // 左8个字节密钥加密
Array.Copy(Decrypt(bysTemp, rKey), 0, bysTemp2, 0, 8); // 右8个字节密钥解密
Array.Copy(Encrypt(bysTemp2, lKey), 0, bysTemp, 0, 8); // 左8个字节密钥加密
return(MyTools.BytesToHexString(bysTemp)); // 返回16进制字符串
}
catch (Exception e)
{
MessageBox.Show(e.Message, "消息提示框");
}
return(null);
}
/** 计算MD5 */
private void btnCheckMD5Execute01_Click(object sender, EventArgs e)
{
try
{
if (this.textMD5Path01.Text != null && !"".Equals(this.textMD5Path01.Text))
{
FileStream file = new FileStream(this.textMD5Path01.Text, FileMode.Open);
System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
byte[] retVal = md5.ComputeHash(file);
file.Close();
this.textMD5Result01.Text = MyTools.BytesToHexString(retVal);
}
}
catch (Exception ex)
{
MessageBox.Show("检查文件是否存在！" + ex.Message, "错误");
}
}
private void btnCheckResultSHA1_Click(object sender, EventArgs e)
{
try
{
this.txtBoxCheckResultSHA1.Text = string.Empty;
if (this.txtBoxCheckSelectSHA1.Text != null && !"".Equals(this.txtBoxCheckSelectSHA1.Text))
{
FileStream file = new FileStream(this.txtBoxCheckSelectSHA1.Text, FileMode.Open);
byte[] retVal;
if (this.radioButtonSHA512.Checked)
{
SHA512 sha512 = new SHA512Managed();
retVal = sha512.ComputeHash(file);
sha512.Clear();
}
else if (this.radioButtonSHA384.Checked)
{
SHA384 sha384 = new SHA384Managed();
retVal = sha384.ComputeHash(file);
sha384.Clear();
}
else if (this.radioButtonSHA256.Checked)
{
SHA256 sha256 = new SHA256Managed();
retVal = sha256.ComputeHash(file);
sha256.Clear();
}
else
{
SHA1 sha1 = new SHA1CryptoServiceProvider();
retVal = SHA1.Create().ComputeHash(file);
sha1.Clear();
}
file.Close();
this.txtBoxCheckResultSHA1.Text = MyTools.BytesToHexString(retVal);
}
}
catch (Exception ex)
{
MessageBox.Show("检查文件是否存在！" + ex.Message, "错误");
}
}
/** 计算方法 */
private string ChineseCharToHex_Method(string str)
{
if (this.radioButton02_01.Checked)
{
byte[] bytes = Encoding.GetEncoding("GBK").GetBytes(str);
if (this.radioButton02_03.Checked)
{
return(MyTools.addBlank(MyTools.BytesToHexString(bytes), int.Parse(this.textBox02_01.Text), false));
}
return(MyTools.BytesToHexString(bytes));
}
else
{
byte[] bytes = Encoding.GetEncoding("UTF-8").GetBytes(str);
if (this.radioButton02_03.Checked)
{
return(MyTools.addBlank(MyTools.BytesToHexString(bytes), int.Parse(this.textBox02_01.Text), false));
}
return(MyTools.BytesToHexString(bytes));
}
}
private void btnEncryptDES2_Click(object sender, EventArgs e)
{
byte[] bys = Encoding.UTF8.GetBytes(textEncryptDESData.Text);
byte[] result = MyEnctypt.Encrypt(bys, textEncryptDESKey.Text);
textEncryptDESResult.Text = MyTools.BytesToHexString(result);
}
public void SendMsg(string msg)
{
if (msg == string.Empty)
{
MessageBox.Show("发送区内容为空！", "警告");
}
else
{
if (NetworkForm.network.listBoxOnline.SelectedItems.Count == 0)
{
this.ShowMsg("【未选择客户端】则发送给所有的客户端！");
foreach (var item in NetworkForm.network.listBoxOnline.Items)
{
Socket client = null;
if (dictServerSocketConn.TryGetValue(item.ToString(), out client))
{
byte[] bytes = null;
if (NetworkForm.network.radioBtnSendGBK.Checked)
{
bytes = Encoding.GetEncoding("GBK").GetBytes(msg);
if (NetworkForm.network.chboxDisplaySend.Checked && NetworkForm.network.radioBtnHEXSendYes.Checked)
{
this.ShowMsg("【发送到：" + item.ToString() + "】" + MyTools.BytesToHexString(bytes, true));
}
else if (NetworkForm.network.chboxDisplaySend.Checked && NetworkForm.network.radioBtnHEXSendNo.Checked)
{
this.ShowMsg("【发送到：" + item.ToString() + "】" + msg);
}
else
{
}
}
else
{
bytes = Encoding.GetEncoding("UTF-8").GetBytes(msg);
if (NetworkForm.network.chboxDisplaySend.Checked && NetworkForm.network.radioBtnHEXSendYes.Checked)
{
this.ShowMsg("【发送到：" + item.ToString() + "】" + MyTools.BytesToHexString(bytes, true));
}
else if (NetworkForm.network.chboxDisplaySend.Checked && NetworkForm.network.radioBtnHEXSendNo.Checked)
{
this.ShowMsg("【发送到：" + item.ToString() + "】" + msg);
}
else
{
}
}
client.Send(bytes);
NetworkForm.network.textBoxSendBytes.Text = (int.Parse(NetworkForm.network.textBoxSendBytes.Text) + bytes.Length).ToString();
}
}
}
else
{
foreach (var item in NetworkForm.network.listBoxOnline.SelectedItems)
{
Socket client = null;
if (dictServerSocketConn.TryGetValue(item.ToString(), out client))
{
byte[] bytes = null;
if (NetworkForm.network.radioBtnSendGBK.Checked)
{
bytes = Encoding.GetEncoding("GBK").GetBytes(msg);
}
else
{
bytes = Encoding.GetEncoding("UTF-8").GetBytes(msg);
}
client.Send(bytes);
NetworkForm.network.textBoxSendBytes.Text = (int.Parse(NetworkForm.network.textBoxSendBytes.Text) + bytes.Length).ToString();
}
}
}
}
}
private void RecMsg(object sokConnectionparn)
{
Socket sokClient = sokConnectionparn as Socket;
while (true)
{
// 定义一个缓存区
byte[] arrMsgRec = new byte[1024];
byte[] tmp;
// 将接收到的数据保存
int length = -1;
try
{
length = sokClient.Receive(arrMsgRec);
if (length > 0)
{
tmp = new byte[length];
NetworkForm.network.textBoxRecvBytes.Text = (int.Parse(NetworkForm.network.textBoxRecvBytes.Text) + length).ToString();
Array.Copy(arrMsgRec, tmp, length);
if (NetworkForm.network.chkbHEX.Checked)
{
ShowMsg("【" + sokClient.RemoteEndPoint.ToString() + "】" + MyTools.BytesToHexString(tmp, true).Trim());
}
else
{
if (NetworkForm.network.radioButtonUtf8.Checked)
{
ShowMsg("【" + sokClient.RemoteEndPoint.ToString() + "】" + Encoding.GetEncoding("UTF-8").GetString(tmp));
}
else
{
ShowMsg("【" + sokClient.RemoteEndPoint.ToString() + "】" + Encoding.GetEncoding("GBK").GetString(tmp));
}
}
if (NetworkForm.network.textSendRegion1.Text != null && NetworkForm.network.textSendRegion1.Text != string.Empty && NetworkForm.network.checkBoxSend1.Checked)
{
if (NetworkForm.network.textSendInterval.Text != string.Empty)
{
int sleep = int.Parse(NetworkForm.network.textSendInterval.Text);
Thread.Sleep(sleep);
}
byte[] bytes = Encoding.GetEncoding("GBK").GetBytes(NetworkForm.network.textSendRegion1.Text);
sokClient.Send(bytes);
NetworkForm.network.textBoxSendBytes.Text = (int.Parse(NetworkForm.network.textBoxSendBytes.Text) + bytes.Length).ToString();
}
if (NetworkForm.network.textSendRegion2.Text != null && NetworkForm.network.textSendRegion2.Text != string.Empty && NetworkForm.network.checkBoxSend2.Checked)
{
if (NetworkForm.network.textSendInterval.Text != string.Empty)
{
int sleep = int.Parse(NetworkForm.network.textSendInterval.Text);
Thread.Sleep(sleep);
}
byte[] bytes = Encoding.GetEncoding("GBK").GetBytes(NetworkForm.network.textSendRegion2.Text);
sokClient.Send(bytes);
NetworkForm.network.textBoxSendBytes.Text = (int.Parse(NetworkForm.network.textBoxSendBytes.Text) + bytes.Length).ToString();
}
if (NetworkForm.network.textSendRegion3.Text != null && NetworkForm.network.textSendRegion3.Text != string.Empty && NetworkForm.network.checkBoxSend3.Checked)
{
if (NetworkForm.network.textSendInterval.Text != string.Empty)
{
int sleep = int.Parse(NetworkForm.network.textSendInterval.Text);
Thread.Sleep(sleep);
}
byte[] bytes = Encoding.GetEncoding("GBK").GetBytes(NetworkForm.network.textSendRegion3.Text);
sokClient.Send(bytes);
NetworkForm.network.textBoxSendBytes.Text = (int.Parse(NetworkForm.network.textBoxSendBytes.Text) + bytes.Length).ToString();
}
}
else
{
// 从 通信套接字 集合中删除被中断连接的通信套接字;
dictServerSocketConn.Remove(sokClient.RemoteEndPoint.ToString());
// 从通信线程集合中删除被中断连接的通信线程对象;
dictServerSocketThread.Remove(sokClient.RemoteEndPoint.ToString());
// 从列表中移除被中断的连接IP
NetworkForm.network.listBoxOnline.Items.Remove(sokClient.RemoteEndPoint.ToString());
ShowMsg("【" + sokClient.RemoteEndPoint.ToString() + "】" + "断开连接\r\n");
break;
}
}
catch (SocketException se)
{
if (ServerFlag)
{
// 从通信套接字集合中删除被中断连接的通信套接字;
dictServerSocketConn.Remove(sokClient.RemoteEndPoint.ToString());
// 从通信线程集合中删除被中断连接的通信线程对象;
dictServerSocketThread.Remove(sokClient.RemoteEndPoint.ToString());
// 从列表中移除被中断的连接IP
NetworkForm.network.listBoxOnline.Items.Remove(sokClient.RemoteEndPoint.ToString());
ShowMsg("【异常消息】：" + se.Message + "\r\n");
}
break;
}
catch (Exception se)
{
if (ServerFlag)
{
// 从 通信套接字 集合中删除被中断连接的通信套接字;
dictServerSocketConn.Remove(sokClient.RemoteEndPoint.ToString());
// 从通信线程集合中删除被中断连接的通信线程对象;
dictServerSocketThread.Remove(sokClient.RemoteEndPoint.ToString());
// 从列表中移除被中断的连接IP
NetworkForm.network.listBoxOnline.Items.Remove(sokClient.RemoteEndPoint.ToString());
ShowMsg("【异常消息】：" + se.Message + "\r\n");
}
break;
}
}
}
