SoftSecurity.cs
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using System;
using System.IO;
using System.Security.Cryptography;
using System.Text;
namespace HslCommunication.BasicFramework
{
/**********************************************************************************
*
* Create Date:2017-05-03 16:52:48
* Author By Richard.Hu
*
*
**********************************************************************************/
/// <summary>
/// 字符串加密解密相关的自定义类
/// </summary>
public static class SoftSecurity
{
/// <summary>
/// 加密数据，采用对称加密的方式
/// </summary>
/// <param name="pToEncrypt">待加密的数据</param>
/// <returns>加密后的数据</returns>
internal static string MD5Encrypt(string pToEncrypt)
{
return MD5Encrypt(pToEncrypt, "zxcvBNMM");
}
/// <summary>
/// 加密数据，采用对称加密的方式
/// </summary>
/// <param name="pToEncrypt">待加密的数据</param>
/// <param name="Password">密钥，长度为8，英文或数字</param>
/// <returns>加密后的数据</returns>
public static string MD5Encrypt(string pToEncrypt, string Password)
{
string aisdhaisdhwdb = Password;
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
byte[] inputByteArray = Encoding.Default.GetBytes(pToEncrypt);
des.Key = Encoding.ASCII.GetBytes(aisdhaisdhwdb);
des.IV = Encoding.ASCII.GetBytes(aisdhaisdhwdb);
MemoryStream ms = new MemoryStream();
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();
}
/// <summary>
/// 解密过程，使用的是对称的加密
/// </summary>
/// <param name="pToDecrypt">等待解密的字符</param>
/// <returns>返回原密码，如果解密失败，返回‘解密失败’</returns>
internal static string MD5Decrypt(string pToDecrypt)
{
return MD5Decrypt(pToDecrypt, "zxcvBNMM");
}
/// <summary>
/// 解密过程，使用的是对称的加密
/// </summary>
/// <param name="pToDecrypt">等待解密的字符</param>
/// <param name="password">密钥，长度为8，英文或数字</param>
/// <returns>返回原密码，如果解密失败，返回‘解密失败’</returns>
public static string MD5Decrypt(string pToDecrypt, string password)
{
if (pToDecrypt == "") return pToDecrypt;
string zxcawrafdgegasd = password;
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 = Encoding.ASCII.GetBytes(zxcawrafdgegasd);
des.IV = Encoding.ASCII.GetBytes(zxcawrafdgegasd);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
cs.Dispose();
return Encoding.Default.GetString(ms.ToArray());
}
}
}