怎么改能让加密的密文中 包含%、#这些符号
public class Security
{
string _QueryStringKey = "ABCDEFH"; //URL传输参数加密Key//ijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
string _PasswordKey = "hgfedcba"; //Password加密Key//ZYXWVUTSRQPONMLKJIHGFEDCBAzyxwvutsrqponmlkji public Security()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
public string EncryptQueryString(string QueryString)
{
return Encrypt(QueryString, _QueryStringKey);
}
/// 解密URL传输的字符串
public string DecryptQueryString(string QueryString)
{
return Decrypt(QueryString, _QueryStringKey);
}
/// 加密帐号口令
public string EncryptPassword(string Password)
{
return Encrypt(Password, _PasswordKey);
}
/// 解密帐号口令
public string DecryptPassword(string Password)
{
return Decrypt(Password, _PasswordKey);
}
/// DEC 加密过程
public string Encrypt(string pToEncrypt, string sKey)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider(); //把字符串放到byte数组中 byte[] inputByteArray = Encoding.Default.GetBytes(pToEncrypt);
//byte[] inputByteArray=Encoding.Unicode.GetBytes(pToEncrypt); des.Key = ASCIIEncoding.ASCII.GetBytes(sKey); //建立加密对象的密钥和偏移量
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey); //原文使用ASCIIEncoding.ASCII方法的GetBytes方法
MemoryStream ms = new MemoryStream(); //使得输入密码必须输入英文文本
CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write); cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock(); StringBuilder ret = new StringBuilder();
foreach (byte b in ms.ToArray())
{
ret.AppendFormat("{0:X2}", b);
}
ret.ToString();
return ret.ToString();
}
/// DEC 解密过程
public string Decrypt(string pToDecrypt, string sKey)
{
try
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider(); byte[] inputByteArray = new byte[pToDecrypt.Length / 2];
for (int x = 0; x < pToDecrypt.Length / 2; x++)
{
int i = (Convert.ToInt32(pToDecrypt.Substring(x * 2, 2), 16));
inputByteArray[x] = (byte)i;
} des.Key = ASCIIEncoding.ASCII.GetBytes(sKey); //建立加密对象的密钥和偏移量,此值重要,不能修改
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write); //if (cs.Length > 0&&cs.Length!=null)
//{
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock(); StringBuilder ret = new StringBuilder(); //建立StringBuild对象,CreateDecrypt使用的是流对象,必须把解密后的文本变成流对象 return System.Text.Encoding.Default.GetString(ms.ToArray());
}
catch
{
return "";
}
// }
// else
//{
//return "";
//}
}
/// 检查己加密的字符串是否与原文相同
public bool ValidateString(string EnString, string FoString, int Mode)
{
switch (Mode)
{
default:
case 1:
if (Decrypt(EnString, _QueryStringKey) == FoString.ToString())
{
return true;
}
else
{
return false;
}
case 2:
if (Decrypt(EnString, _PasswordKey) == FoString.ToString())
{
return true;
}
else
{
return false;
}
}
}
}
public class Security
{
string _QueryStringKey = "ABCDEFH"; //URL传输参数加密Key//ijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
string _PasswordKey = "hgfedcba"; //Password加密Key//ZYXWVUTSRQPONMLKJIHGFEDCBAzyxwvutsrqponmlkji public Security()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
public string EncryptQueryString(string QueryString)
{
return Encrypt(QueryString, _QueryStringKey);
}
/// 解密URL传输的字符串
public string DecryptQueryString(string QueryString)
{
return Decrypt(QueryString, _QueryStringKey);
}
/// 加密帐号口令
public string EncryptPassword(string Password)
{
return Encrypt(Password, _PasswordKey);
}
/// 解密帐号口令
public string DecryptPassword(string Password)
{
return Decrypt(Password, _PasswordKey);
}
/// DEC 加密过程
public string Encrypt(string pToEncrypt, string sKey)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider(); //把字符串放到byte数组中 byte[] inputByteArray = Encoding.Default.GetBytes(pToEncrypt);
//byte[] inputByteArray=Encoding.Unicode.GetBytes(pToEncrypt); des.Key = ASCIIEncoding.ASCII.GetBytes(sKey); //建立加密对象的密钥和偏移量
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey); //原文使用ASCIIEncoding.ASCII方法的GetBytes方法
MemoryStream ms = new MemoryStream(); //使得输入密码必须输入英文文本
CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write); cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock(); StringBuilder ret = new StringBuilder();
foreach (byte b in ms.ToArray())
{
ret.AppendFormat("{0:X2}", b);
}
ret.ToString();
return ret.ToString();
}
/// DEC 解密过程
public string Decrypt(string pToDecrypt, string sKey)
{
try
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider(); byte[] inputByteArray = new byte[pToDecrypt.Length / 2];
for (int x = 0; x < pToDecrypt.Length / 2; x++)
{
int i = (Convert.ToInt32(pToDecrypt.Substring(x * 2, 2), 16));
inputByteArray[x] = (byte)i;
} des.Key = ASCIIEncoding.ASCII.GetBytes(sKey); //建立加密对象的密钥和偏移量,此值重要,不能修改
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write); //if (cs.Length > 0&&cs.Length!=null)
//{
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock(); StringBuilder ret = new StringBuilder(); //建立StringBuild对象,CreateDecrypt使用的是流对象,必须把解密后的文本变成流对象 return System.Text.Encoding.Default.GetString(ms.ToArray());
}
catch
{
return "";
}
// }
// else
//{
//return "";
//}
}
/// 检查己加密的字符串是否与原文相同
public bool ValidateString(string EnString, string FoString, int Mode)
{
switch (Mode)
{
default:
case 1:
if (Decrypt(EnString, _QueryStringKey) == FoString.ToString())
{
return true;
}
else
{
return false;
}
case 2:
if (Decrypt(EnString, _PasswordKey) == FoString.ToString())
{
return true;
}
else
{
return false;
}
}
}
}
如把嘧结果有a换成% c换成# 使用时再转回来就OK