using System;
using System.IO;
using System.Text;
using System.Windows.Forms;
using System.Security.Cryptography;
using System.Web;
using System.Text.RegularExpressions;
namespace Crypto
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button7_Click(object sender, EventArgs e)//md5选择文件
{
OpenFileDialog openFile1 = new OpenFileDialog();
openFile1.RestoreDirectory = true;
if (openFile1.ShowDialog() == DialogResult.OK)
{
textBox3.Text = openFile1.FileName.ToString();
}
}
private void button10_Click(object sender, EventArgs e)//sha1选择文件
{
OpenFileDialog openFile2 = new OpenFileDialog();
openFile2.RestoreDirectory = true;
if (openFile2.ShowDialog() == DialogResult.OK)
{
textBox5.Text = openFile2.FileName.ToString();
}
}
private void radioButton9_CheckedChanged(object sender, EventArgs e)//新的RSA选择加密，隐藏控件
{
if (radioButton9.Checked == true)
{
label24.Show();
richTextBox17.Show();
button18.Show();
label21.Hide();
richTextBox16.Hide();
button17.Hide();
}
else
{
label24.Hide();
richTextBox17.Hide();
button18.Hide();
label21.Show();
richTextBox16.Show();
button17.Show();
}
}
private void button1_Click(object sender, EventArgs e)//AES加密
{
int AES_Checked = 0;
if (radioButton1.Checked == true) AES_Checked = 1;
else if (radioButton2.Checked == true) AES_Checked = 2;
else if (radioButton3.Checked == true) AES_Checked = 3;
string AES_Key = textBox1.Text;
string AES_IV = textBox8.Text;
int[] AES_Length = { 16, 24, 32 };
if (AES_Key.Length != AES_Length[AES_Checked - 1]) { MessageBox.Show("密钥应为" + AES_Length[AES_Checked - 1] + "位"); return; }//密钥长度
if (AES_IV.Length != 16) { MessageBox.Show("向量应为16位"); return; }
CipherMode AES_Mode = CipherMode.ECB;
if (radioButton4.Checked == true) AES_Mode = CipherMode.ECB;
else if (radioButton5.Checked == true) AES_Mode = CipherMode.CBC;
else if (radioButton7.Checked == true) AES_Mode = CipherMode.CFB;
int pad = comboBox3.SelectedIndex;
string AES_Message = richTextBox2.Text;
if (AES_Message == "" || AES_Message == null) return;
string AES_Ciphertext = MyAES.Encrypt(AES_Message, AES_Key, AES_IV, AES_Mode, pad, AES_Length[AES_Checked - 1] * 8);
richTextBox1.Text = AES_Ciphertext;
}
private void button2_Click(object sender, EventArgs e)//AES解密
{
int AES_Checked = 0;
if (radioButton1.Checked == true) AES_Checked = 1;
else if (radioButton2.Checked == true) AES_Checked = 2;
else if (radioButton3.Checked == true) AES_Checked = 3;
string AES_Key = textBox1.Text;
string AES_IV = textBox8.Text;
int[] AES_Length = { 16, 24, 32 };
if (AES_Key.Length != AES_Length[AES_Checked - 1]) { MessageBox.Show("密钥应为" + AES_Length[AES_Checked - 1] + "位"); return; }//密钥长度
if (AES_IV.Length != 16) { MessageBox.Show("向量应为16位"); return; }
CipherMode AES_Mode = CipherMode.ECB;
if (radioButton4.Checked == true) AES_Mode = CipherMode.ECB;
else if (radioButton5.Checked == true) AES_Mode = CipherMode.CBC;
else if (radioButton7.Checked == true) AES_Mode = CipherMode.CFB;
int pad = comboBox3.SelectedIndex;
string AES_Ciphertext = richTextBox1.Text;
if (AES_Ciphertext == "" || AES_Ciphertext == null) return;
string AES_Message = MyAES.Decrypt(AES_Ciphertext, AES_Key, AES_IV, AES_Mode, pad, AES_Length[AES_Checked - 1] * 8);
richTextBox2.Text = AES_Message;
}
private void button3_Click(object sender, EventArgs e)//DES加密
{
int pad = comboBox2.SelectedIndex;
CipherMode DES_Mode = CipherMode.ECB;
if (radioButton15.Checked == true) DES_Mode = CipherMode.ECB;
else if (radioButton16.Checked == true) DES_Mode = CipherMode.CBC;
else if (radioButton17.Checked == true) DES_Mode = CipherMode.CFB;
string DES_Key = textBox2.Text;
string DES_IV = textBox9.Text;
if (DES_IV.Length != 8) { MessageBox.Show("向量应为8位"); return; }
if (DES_Key.Length != 8) { MessageBox.Show("密钥位数应为8位"); return; }//密钥长度
string DES_Message = richTextBox3.Text;
if (DES_Message == "" || DES_Message == null) return;
richTextBox4.Text = MyDES.Encrypt(DES_Message, DES_Key, DES_IV, DES_Mode, pad);
}
private void button4_Click(object sender, EventArgs e)//DES解密
{
int pad = comboBox2.SelectedIndex;
CipherMode DES_Mode = CipherMode.ECB;
if (radioButton15.Checked == true) DES_Mode = CipherMode.ECB;
else if (radioButton16.Checked == true) DES_Mode = CipherMode.CBC;
else if (radioButton17.Checked == true) DES_Mode = CipherMode.CFB;
string DES_Key = textBox2.Text;
string DES_IV = textBox9.Text;
if (DES_Key.Length != 8) { MessageBox.Show("密钥位数与算法不匹配"); return; }//密钥长度
string DES_Ciphertext = richTextBox4.Text;
if (DES_Ciphertext == "" || DES_Ciphertext == null) return;
string DES_Message = MyDES.Decrypt(DES_Ciphertext, DES_Key, DES_IV, DES_Mode, pad);
richTextBox3.Text = DES_Message;
}
private void button15_Click(object sender, EventArgs e)//Base64加密
{
Encoding encoding = Encoding.UTF8;
int t = comboBox1.SelectedIndex;
switch (t)
{
case 0: encoding = Encoding.UTF8; break;
case 1: encoding = Encoding.GetEncoding("GB2312"); break;
case 2: encoding = Encoding.GetEncoding("GBK"); break;
case 3: encoding = Encoding.ASCII; break;
case 4: encoding = Encoding.Unicode; break;
case 5: encoding = Encoding.UTF7; break;
case 6: encoding = Encoding.UTF32; break;
case 7: encoding = Encoding.BigEndianUnicode; break;
default: encoding = Encoding.UTF8; break;
}
string decode_Num = textBox14.Text;
int num = 1;
int.TryParse(decode_Num, out num);
if (num < 1)
{
num = 1;
}
string Base64_Message = richTextBox13.Text;
for (int i = 0; i < num; i++)
{
Base64_Message = MyBase64.EncodeBase64(Base64_Message, encoding);
}
richTextBox14.Text = Base64_Message;
}
private void button14_Click(object sender, EventArgs e)//Base64解密
{
Encoding encoding = Encoding.UTF8;
int t = comboBox1.SelectedIndex;
switch (t)
{
case 0: encoding = Encoding.UTF8; break;
case 1: encoding = Encoding.GetEncoding("GB2312"); break;
case 2: encoding = Encoding.GetEncoding("GBK"); break;
case 3: encoding = Encoding.ASCII; break;
case 4: encoding = Encoding.Unicode; break;
case 5: encoding = Encoding.UTF7; break;
case 6: encoding = Encoding.UTF32; break;
case 7: encoding = Encoding.BigEndianUnicode; break;
default: encoding = Encoding.UTF8; break;
}
string decode_Num = textBox14.Text;
int num = 1;
int.TryParse(decode_Num, out num);
if (num < 1) {
num = 1;
}
bool url_decode_flag = checkBox1.Checked;
string Base64_Ciphertext = richTextBox14.Text;
for (int i = 0; i < num; i++) {
if (url_decode_flag) {
Base64_Ciphertext = MyUrl.Decode(Base64_Ciphertext, encoding);
}
Base64_Ciphertext = MyBase64.DecodeBase64(Base64_Ciphertext, encoding);
}
richTextBox13.Text = Base64_Ciphertext;
}
private void button8_Click(object sender, EventArgs e)//MD5文字
{
string MD5_Message = richTextBox10.Text.Trim();
if (MD5_Message == "") { textBox4.Text = ""; return; }
bool MD5_Mode = radioButton11.Checked;
textBox4.Text = MyMD5.GetMD5Hash(MD5_Message, MD5_Mode);
}
private void button9_Click(object sender, EventArgs e)//MD5文件
{
string FilePath = textBox3.Text.Trim();
if (FilePath == null || FilePath == "") return;
if (File.Exists(FilePath) != true)
{
MessageBox.Show("文件不存在");
return;
}
bool MD5_Mode = radioButton11.Checked;
textBox4.Text = MyMD5.GetMD5HashFromFile(FilePath, MD5_Mode);
}
private void button11_Click(object sender, EventArgs e)//SHA1文字
{
string SHA1_Message = richTextBox11.Text.Trim();
if (SHA1_Message == null || SHA1_Message == "") return;
string[] sha = MySHA.GetSHAHash(SHA1_Message);
textBox6.Text = sha[0];
textBox10.Text = sha[1];
textBox11.Text = sha[2];
textBox12.Text = sha[3];
}
private void button12_Click(object sender, EventArgs e)//SHA1文件
{
string FilePath = textBox5.Text.Trim();
if (FilePath == null || FilePath == "") return;
if (File.Exists(FilePath) != true)
{
MessageBox.Show("文件不存在");
return;
}
string[] sha = MySHA.GetSHAHashFromFile(FilePath);
textBox6.Text = sha[0];
textBox10.Text = sha[1];
textBox11.Text = sha[2];
textBox12.Text = sha[3];
}
private void button16_Click(object sender, EventArgs e)//生成RSA密钥
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
string publickey = rsa.ToXmlString(false);
string privatekey = rsa.ToXmlString(true);
richTextBox16.Text = privatekey;
richTextBox17.Text = publickey;
}
private void button17_Click(object sender, EventArgs e)//RSA解密
{
bool RSA_Mode = radioButton13.Checked;
string RSA_Ciphertext = richTextBox12.Text;
richTextBox15.Text = "";
string privatekey = richTextBox16.Text;
byte[] ciphertext = new byte[RSA_Ciphertext.Length / 2];
try
{
for (int x = 0; x < RSA_Ciphertext.Length / 2; x++)
{
int i = (Convert.ToInt32(RSA_Ciphertext.Substring(x * 2, 2), 16));
ciphertext[x] = (byte)i;
}
}
catch { MessageBox.Show("密文不正确！"); }
byte[] source; //原文byte数组
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
try
{
rsa.FromXmlString(privatekey); //设置私钥
source = rsa.Decrypt(ciphertext, RSA_Mode); //解密，得到byte数组
richTextBox15.Text = Encoding.Default.GetString(source); //返回结果
}
catch { MessageBox.Show("密钥不正确"); }
}
private void button18_Click(object sender, EventArgs e)//RSA加密
{
bool RSA_Mode = radioButton13.Checked;
string RSA_Message = richTextBox15.Text;
richTextBox12.Text = "";
byte[] source = Encoding.Default.GetBytes(RSA_Message); //明文转换为byte
byte[] ciphertext; //密文byte数组
string publickey = richTextBox17.Text; //string密钥
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
try
{
rsa.FromXmlString(publickey); //导入string密钥
ciphertext = rsa.Encrypt(source, RSA_Mode); //加密
StringBuilder sb = new StringBuilder();
foreach (byte b in ciphertext)
{
sb.AppendFormat("{0:X2}", b);
}
richTextBox12.Text = sb.ToString();
}
catch { MessageBox.Show("加密失败，请检查密钥"); }
}
private void button6_Click(object sender, EventArgs e)//URL解码
{
Encoding encoding = Encoding.UTF8;
int t = comboBox4.SelectedIndex;
switch (t)
{
case 0: encoding = Encoding.UTF8; break;
case 1: encoding = Encoding.GetEncoding("GB2312"); break;
case 2: encoding = Encoding.GetEncoding("GBK"); break;
case 3: encoding = Encoding.ASCII; break;
case 4: encoding = Encoding.Unicode; break;
case 5: encoding = Encoding.UTF7; break;
case 6: encoding = Encoding.UTF32; break;
case 7: encoding = Encoding.BigEndianUnicode; break;
default: encoding = Encoding.UTF8; break;
}
richTextBox5.Text = MyUrl.Decode(richTextBox6.Text, encoding);
}
private void button5_Click(object sender, EventArgs e)//URL部分编码
{
Encoding encoding = Encoding.ASCII;
int t = comboBox4.SelectedIndex;
switch (t)
{
case 0: encoding = Encoding.UTF8; break;
case 1: encoding = Encoding.GetEncoding("GB2312"); break;
case 2: encoding = Encoding.GetEncoding("GBK"); break;
case 3: encoding = Encoding.ASCII; break;
case 4: encoding = Encoding.Unicode; break;
case 5: encoding = Encoding.UTF7; break;
case 6: encoding = Encoding.UTF32; break;
case 7: encoding = Encoding.BigEndianUnicode; break;
default: encoding = Encoding.UTF8; break;
}
richTextBox6.Text = MyUrl.Encode(richTextBox5.Text, encoding);
}
private void button20_Click(object sender, EventArgs e)//URL二次解码
{
Encoding encoding = Encoding.ASCII;
int t = comboBox4.SelectedIndex;
switch (t)
{
case 0: encoding = Encoding.UTF8; break;
case 1: encoding = Encoding.GetEncoding("GB2312"); break;
case 2: encoding = Encoding.GetEncoding("GBK"); break;
case 3: encoding = Encoding.ASCII; break;
case 4: encoding = Encoding.Unicode; break;
case 5: encoding = Encoding.UTF7; break;
case 6: encoding = Encoding.UTF32; break;
case 7: encoding = Encoding.BigEndianUnicode; break;
default: encoding = Encoding.UTF8; break;
}
richTextBox5.Text = MyUrl.Decode(MyUrl.Decode(richTextBox6.Text, encoding), encoding);
}
private void button21_Click(object sender, EventArgs e)//URL二次部分编码
{
Encoding encoding = Encoding.ASCII;
int t = comboBox4.SelectedIndex;
switch (t)
{
case 0 : encoding = Encoding.UTF8; break;
case 1: encoding = Encoding.GetEncoding("GB2312"); break;
case 2: encoding = Encoding.GetEncoding("GBK"); break;
case 3: encoding = Encoding.ASCII; break;
case 4: encoding = Encoding.Unicode; break;
case 5: encoding = Encoding.UTF7; break;
case 6: encoding = Encoding.UTF32; break;
case 7: encoding = Encoding.BigEndianUnicode; break;
default: encoding = Encoding.UTF8; break;
}
richTextBox6.Text = MyUrl.Encode(MyUrl.Encode(richTextBox5.Text, encoding),encoding);
}
private void button19_Click(object sender, EventArgs e)//html编码
{
bool flag = true;
if (radioButton6.Checked) {//10进制
flag = true;
}else//16进制
{
flag = false;
}
richTextBox7.Text = MyHtml.Encode(richTextBox8.Text,flag);
}
private void button13_Click(object sender, EventArgs e)//html解码
{
richTextBox8.Text = MyHtml.Decode(richTextBox7.Text);
}
private void button28_Click(object sender, EventArgs e)//转16进制
{
Encoding encoding = Encoding.ASCII;
int t = comboBox5.SelectedIndex;
switch (t)
{
case 0: encoding = Encoding.ASCII; break;
case 1: encoding = Encoding.Unicode; break;
case 2: encoding = Encoding.UTF8; break;
case 3: encoding = Encoding.GetEncoding("gb2312"); break;
default: encoding = Encoding.ASCII; break;
}
String originalText = richTextBox18.Text;
richTextBox9.Text = "";
byte[] originalByte = encoding.GetBytes(originalText);
String outString = "";
foreach (byte tmpByte in originalByte) {
outString += String.Format(" {0:X2}", Convert.ToInt32(tmpByte));
}
richTextBox9.Text = outString;
}
private void button29_Click(object sender, EventArgs e)//转字符串
{
Encoding encoding = Encoding.ASCII;
int t = comboBox5.SelectedIndex;
switch (t)
{
case 0: encoding = Encoding.ASCII; break;
case 1: encoding = Encoding.Unicode; break;
case 2: encoding = Encoding.UTF8; break;
case 3: encoding = Encoding.GetEncoding("gb2312"); break;
default: encoding = Encoding.ASCII; break;
}
String originalText = richTextBox18.Text.Replace(" ","");
richTextBox9.Text = "";
try
{
byte[] bs = new byte[originalText.Length / 2 + originalText.Length%2];
for (int i = 0; i < originalText.Length; i = i + 2)
{
if (i + 2 > originalText.Length) {
bs[i / 2] = Convert.ToByte(originalText.Substring(i, 1), 16);
}
else
{
bs[i / 2] = Convert.ToByte(originalText.Substring(i, 2), 16);
}
}
richTextBox9.Text = encoding.GetString(bs);
}
catch {
richTextBox9.Text = "转换失败，请输入16进制的字符";
}
}
private void richTextBox18_TextChanged(object sender, EventArgs e)//16进制显示原文长度
{
label42.Text = richTextBox18.Text.Length.ToString();
}
private void textBox7_Leave(object sender, EventArgs e)
{
String originalRGB = textBox7.Text;
int R = 128;
int G = 128;
int B = 128;
MatchCollection m = Regex.Matches(originalRGB, @"(\d+)");
int count = -1;
foreach (Match item in m)
{
count++;
switch (count)
{
case 0: R = Convert.ToInt32(item.Value) % 256; break;
case 1: G = Convert.ToInt32(item.Value) % 256; break;
case 2: B = Convert.ToInt32(item.Value) % 256; break;
default: break;
}
}
textBox7.Text = R + "," + G + "," + B;
String hex = "#";
hex += String.Format("{0:X2}", R);
hex += String.Format("{0:X2}", G);
hex += String.Format("{0:X2}", B);
textBox13.Text = hex;
label34.BackColor = System.Drawing.Color.FromArgb(R,G,B);
}
private void textBox13_Leave(object sender, EventArgs e)
{
String originalHex = textBox13.Text;
int R = 128;
int G = 128;
int B = 128;
MatchCollection m = Regex.Matches(originalHex, @"([0-9a-fA-F]{2})");
int count = -1;
foreach (Match item in m)
{
count++;
switch (count)
{
case 0: R = Convert.ToInt32(item.Value,16)%256; break;
case 1: G = Convert.ToInt32(item.Value,16)%256; break;
case 2: B = Convert.ToInt32(item.Value,16) % 256; break;
default: break;
}
}
textBox7.Text = R + "," + G + "," + B;
String hex = "#";
hex += String.Format("{0:X2}", R);
hex += String.Format("{0:X2}", G);
hex += String.Format("{0:X2}", B);
textBox13.Text = hex;
label34.BackColor = System.Drawing.Color.FromArgb(R, G, B);
}
private void tabPage4_Click(object sender, EventArgs e)
{
}
}
static class MyAES
{
static PaddingMode[] padding = {
PaddingMode.PKCS7,
PaddingMode.ANSIX923,
PaddingMode.ISO10126,
PaddingMode.None,
PaddingMode.Zeros
};
static public string Encrypt(string Message, string key, string IV, CipherMode Mode, int pad, int length)
{
try
{
//RijndaelManaged aes = new RijndaelManaged();
Rijndael aes = Rijndael.Create();
//aes.BlockSize = 128;
//aes.FeedbackSize = 128;
aes.KeySize = length;
aes.Padding = padding[pad];
aes.Mode = Mode;
//aes.Key = Encoding.UTF8.GetBytes(key);
//aes.IV = Encoding.UTF8.GetBytes(IV);
byte[] keyBytes = Encoding.UTF8.GetBytes(key);
byte[] keyIV = Encoding.UTF8.GetBytes(IV);
byte[] inputByteArray = Encoding.UTF8.GetBytes(Message);
MemoryStream memStream = new MemoryStream();
CryptoStream crypStream = new CryptoStream(memStream, aes.CreateEncryptor(keyBytes, keyIV), CryptoStreamMode.Write);
crypStream.Write(inputByteArray, 0, inputByteArray.Length);
crypStream.FlushFinalBlock();
aes.Clear();
return Convert.ToBase64String(memStream.ToArray());
}
catch { MessageBox.Show("加密失败"); return ""; }
}
//AES加密
static public string Decrypt(string Ciphertext, string key, string IV, CipherMode Mode, int pad, int length)
{
try
{
//RijndaelManaged aes = new RijndaelManaged();
Rijndael aes = Rijndael.Create();
//aes.BlockSize = 128;
//aes.FeedbackSize = 128;
//aes.Key = Encoding.UTF8.GetBytes(key);
//aes.IV = Encoding.UTF8.GetBytes(IV);
aes.KeySize = length;
aes.Padding = padding[pad];
aes.Mode = Mode;
byte[] keyBytes = Encoding.UTF8.GetBytes(key);
byte[] keyIV = Encoding.UTF8.GetBytes(IV);
byte[] outputByteArray = Convert.FromBase64String(Ciphertext);
MemoryStream memStream = new MemoryStream();
CryptoStream crypStream = new CryptoStream(memStream, aes.CreateDecryptor(keyBytes, keyIV), CryptoStreamMode.Write);
crypStream.Write(outputByteArray, 0, outputByteArray.Length);
crypStream.FlushFinalBlock();
aes.Clear();
return Encoding.UTF8.GetString(memStream.ToArray());
}
catch { MessageBox.Show("加密失败"); return ""; }
}
//AES解密
}
static class MyDES
{
static PaddingMode[] padding = {
PaddingMode.PKCS7,
PaddingMode.ANSIX923,
PaddingMode.ISO10126,
PaddingMode.None,
PaddingMode.Zeros
};
static public string Encrypt(string Message, string key, string IV, CipherMode Mode, int pad)
{
try
{
byte[] keyBytes = Encoding.UTF8.GetBytes(key);
byte[] keyIV = Encoding.UTF8.GetBytes(IV);
byte[] inputByteArray = Encoding.UTF8.GetBytes(Message);
DESCryptoServiceProvider desProvider = new DESCryptoServiceProvider();
// java 默认的是ECB模式，PKCS5padding；c#默认的CBC模式，PKCS7padding 所以这里我们默认使用ECB方式
desProvider.Mode = Mode;
desProvider.Padding = padding[pad];
MemoryStream memStream = new MemoryStream();
CryptoStream crypStream = new CryptoStream(memStream, desProvider.CreateEncryptor(keyBytes, keyIV), CryptoStreamMode.Write);
crypStream.Write(inputByteArray, 0, inputByteArray.Length);
crypStream.FlushFinalBlock();
return Convert.ToBase64String(memStream.ToArray());
}
catch
{
MessageBox.Show("加密失败");
return "";
}
}
static public string Decrypt(string Message, string key, string IV, CipherMode Mode, int pad)
{
try
{
byte[] keyBytes = Encoding.UTF8.GetBytes(key);
byte[] keyIV = Encoding.UTF8.GetBytes(IV);
byte[] inputByteArray = Convert.FromBase64String(Message);
DESCryptoServiceProvider desProvider = new DESCryptoServiceProvider();
// java 默认的是ECB模式，PKCS5padding；c#默认的CBC模式，PKCS7padding 所以这里我们默认使用ECB方式
desProvider.Mode = Mode;
desProvider.Padding = padding[pad];
MemoryStream memStream = new MemoryStream();
CryptoStream crypStream = new CryptoStream(memStream, desProvider.CreateDecryptor(keyBytes, keyIV), CryptoStreamMode.Write);
crypStream.Write(inputByteArray, 0, inputByteArray.Length);
crypStream.FlushFinalBlock();
return Encoding.Default.GetString(memStream.ToArray());
}
catch
{
MessageBox.Show("解密失败");
return "";
}
}
}
static class MyBase64
{
public static Encoding[] encoding = {
Encoding.UTF8,
Encoding.GetEncoding("GB2312"),
Encoding.GetEncoding("GBK"),
Encoding.ASCII,
Encoding.Unicode,
Encoding.UTF7,
Encoding.UTF32,
Encoding.BigEndianUnicode
};
static public string EncodeBase64(string Base64_Message, Encoding encoding)
{
try
{
return System.Convert.ToBase64String(encoding.GetBytes(Base64_Message));
}
catch {
return Base64_Message;
}
}
public static string DecodeBase64(string Base64_Ciphertext, Encoding encoding)
{
try
{
return encoding.GetString(System.Convert.FromBase64String(Base64_Ciphertext));
}
catch
{
return Base64_Ciphertext;
}
}
}
static class MySHA
{
public static string[] GetSHAHash(string Message)
{
string[] sha = new string[4];
try
{
SHA1 sha1 = new SHA1CryptoServiceProvider();
SHA256 sha256 = new SHA256CryptoServiceProvider();
SHA384 sha384 = new SHA384CryptoServiceProvider();
SHA512 sha512 = new SHA512CryptoServiceProvider();
byte[] sha_in = UTF8Encoding.Default.GetBytes(Message);
byte[] sha1_out = sha1.ComputeHash(sha_in);
byte[] sha256_out = sha256.ComputeHash(sha_in);
byte[] sha384_out = sha384.ComputeHash(sha_in);
byte[] sha512_out = sha512.ComputeHash(sha_in);
sha[0] = BitConverter.ToString(sha1_out).Replace("-", "");
sha[1] = BitConverter.ToString(sha256_out).Replace("-", "");
sha[2] = BitConverter.ToString(sha384_out).Replace("-", "");
sha[3] = BitConverter.ToString(sha512_out).Replace("-", "");
return sha;
}
catch { MessageBox.Show("校验失败"); return sha; }
}
public static string[] GetSHAHashFromFile(string fileName)
{
string[] sha = new string[4];
try
{
SHA1 sha1 = new SHA1CryptoServiceProvider();
SHA256 sha256 = new SHA256CryptoServiceProvider();
SHA384 sha384 = new SHA384CryptoServiceProvider();
SHA512 sha512 = new SHA512CryptoServiceProvider();
FileStream file = new FileStream(fileName, FileMode.Open);
byte[] sha1_out = sha1.ComputeHash(file);
file.Close();
file = new FileStream(fileName, FileMode.Open);
byte[] sha256_out = sha256.ComputeHash(file);
file.Close();
file = new FileStream(fileName, FileMode.Open);
byte[] sha384_out = sha384.ComputeHash(file);
file.Close();
file = new FileStream(fileName, FileMode.Open);
byte[] sha512_out = sha512.ComputeHash(file);
file.Close();
sha[0] = BitConverter.ToString(sha1_out).Replace("-", "");
sha[1] = BitConverter.ToString(sha256_out).Replace("-", "");
sha[2] = BitConverter.ToString(sha384_out).Replace("-", "");
sha[3] = BitConverter.ToString(sha512_out).Replace("-", "");
return sha;
}
catch
{ MessageBox.Show("校验失败"); return sha; }
}
}
static class MyMD5
{
public static string GetMD5Hash(string Message, bool MD5_Mode)
{
try
{
byte[] result = Encoding.Default.GetBytes(Message);
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
byte[] output = md5.ComputeHash(result);
if (MD5_Mode == true) return BitConverter.ToString(output).Replace("-", "");//32位MD5值
else return BitConverter.ToString(output, 4, 8).Replace("-", ""); //16位MD5值
}
catch { MessageBox.Show("校验失败"); return ""; }
}
public static string GetMD5HashFromFile(string fileName, bool MD5_Mode)
{
try
{
FileStream file = new FileStream(fileName, FileMode.Open);
System.Security.Cryptography.MD5 md5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
byte[] retVal = md5.ComputeHash(file);
file.Close();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < retVal.Length; i++)
{
sb.Append(retVal[i].ToString("x2"));
}
if (MD5_Mode == true) return sb.ToString().ToUpper();
else return sb.ToString().Substring(8, 16).ToUpper();
}
catch { MessageBox.Show("校验失败"); return ""; }
}
}
static class MyUrl
{
public static string Encode(string plain,Encoding encoding)//部分编码
{
return HttpUtility.UrlEncode(plain,encoding);
}
public static string Decode(string text, Encoding encoding)//解码
{
return HttpUtility.UrlDecode(text, encoding);
}
}
static class MyHtml {
public static string Encode(string plain,bool flag) {
string r = string.Empty;
if (flag)//10进制
{
for (int i = 0; i < plain.Length; i++)
{
r += "&#" + Char.ConvertToUtf32(plain, i) + ";";
}
}
else {
//16进制
for (int i = 0; i < plain.Length; i++)
{
r += "&#x" + Char.ConvertToUtf32(plain, i).ToString("x4") + ";";
}
}
return r;
}
public static string Decode(string text)
{
string t = string.Empty;
Regex regex1 = new Regex(@"&#x([0-9,a-f,A-F]+);");
Regex regex2 = new Regex(@"&#([0-9]+);");
while (regex1.IsMatch(text)) { //解码16进制的html实体编码
t = regex1.Match(text).Groups[1].Value;
text = regex1.Replace(text,Char.ConvertFromUtf32(Convert.ToInt32(t, 16)),1);
}
while (regex2.IsMatch(text)) //解码10进制的html实体编码
{
t = regex2.Match(text).Groups[1].Value;
text = regex2.Replace(text, Char.ConvertFromUtf32(Convert.ToInt32(t, 10)), 1);
}
return text;
}
}
}
