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标题:
Encrypt--加密/解密/MD5加密
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作者:
admin
时间:
2016-10-30 20:23
标题:
Encrypt--加密/解密/MD5加密
1.Encrypt加密
2.Encrypt解密
3.Encrypt MD5加密
看下面代码吧
/// <summary>
/// 类说明:Assistant
/// 编 码 人:苏飞
/// 联系方式:361983679
/// 更新网站:http://www.cckan.net/thread-655-1-1.html
/// </summary>
using System;
using System.Security.Cryptography;
using System.IO;
namespace DotNet.Utilities
{
/// <summary>
/// 加密解密实用类。
/// </summary>
public class Encrypt
{
//密钥
private static byte[] arrDESKey = new byte[] {42, 16, 93, 156, 78, 4, 218, 32};
private static byte[] arrDESIV = new byte[] {55, 103, 246, 79, 36, 99, 167, 3};
/// <summary>
/// 加密。
/// </summary>
/// <param name="m_Need_Encode_String"></param>
/// <returns></returns>
public static string Encode(string m_Need_Encode_String)
{
if (m_Need_Encode_String == null)
{
throw new Exception("Error: \n源字符串为空!!");
}
DESCryptoServiceProvider objDES = new DESCryptoServiceProvider();
MemoryStream objMemoryStream = new MemoryStream();
CryptoStream objCryptoStream = new CryptoStream(objMemoryStream,objDES.CreateEncryptor(arrDESKey,arrDESIV),CryptoStreamMode.Write);
StreamWriter objStreamWriter = new StreamWriter(objCryptoStream);
objStreamWriter.Write(m_Need_Encode_String);
objStreamWriter.Flush();
objCryptoStream.FlushFinalBlock();
objMemoryStream.Flush();
return Convert.ToBase64String(objMemoryStream.GetBuffer(), 0, (int)objMemoryStream.Length);
}
/// <summary>
/// 解密。
/// </summary>
/// <param name="m_Need_Encode_String"></param>
/// <returns></returns>
public static string Decode(string m_Need_Encode_String)
{
if (m_Need_Encode_String == null)
{
throw new Exception("Error: \n源字符串为空!!");
}
DESCryptoServiceProvider objDES = new DESCryptoServiceProvider();
byte[] arrInput = Convert.FromBase64String(m_Need_Encode_String);
MemoryStream objMemoryStream = new MemoryStream(arrInput);
CryptoStream objCryptoStream = new CryptoStream(objMemoryStream,objDES.CreateDecryptor(arrDESKey,arrDESIV),CryptoStreamMode.Read);
StreamReader objStreamReader = new StreamReader(objCryptoStream);
return objStreamReader.ReadToEnd();
}
/// <summary>
/// md5
/// </summary>
/// <param name="encypStr"></param>
/// <returns></returns>
public static string Md5(string encypStr)
{
string retStr;
MD5CryptoServiceProvider m5 = new MD5CryptoServiceProvider();
byte[] inputBye;
byte[] outputBye;
inputBye = System.Text.Encoding.ASCII.GetBytes(encypStr);
outputBye = m5.ComputeHash(inputBye);
retStr = Convert.ToBase64String(outputBye);
return (retStr);
}
}
}
复制代码
作者:
admin
时间:
2016-10-30 20:26
/// <summary>
/// 联系方式:361983679
/// 更新网站:[url=http://www.cckan.net/thread-655-1-1.html]http://www.cckan.net/thread-655-1-1.html[/url]
/// </summary>
using System;
using System.Security.Cryptography;
using System.Text;
namespace DotNet.Utilities
{
/// <summary>
/// Encrypt 的摘要说明。
/// </summary>
public class DEncrypt
{
/// <summary>
/// 构造方法
/// </summary>
public DEncrypt()
{
}
#region 使用 缺省密钥字符串 加密/解密string
/// <summary>
/// 使用缺省密钥字符串加密string
/// </summary>
/// <param name="original">明文</param>
/// <returns>密文</returns>
public static string Encrypt(string original)
{
return Encrypt(original, "MATICSOFT");
}
/// <summary>
/// 使用缺省密钥字符串解密string
/// </summary>
/// <param name="original">密文</param>
/// <returns>明文</returns>
public static string Decrypt(string original)
{
return Decrypt(original, "MATICSOFT", System.Text.Encoding.Default);
}
#endregion
#region 使用 给定密钥字符串 加密/解密string
/// <summary>
/// 使用给定密钥字符串加密string
/// </summary>
/// <param name="original">原始文字</param>
/// <param name="key">密钥</param>
/// <param name="encoding">字符编码方案</param>
/// <returns>密文</returns>
public static string Encrypt(string original, string key)
{
byte[] buff = System.Text.Encoding.Default.GetBytes(original);
byte[] kb = System.Text.Encoding.Default.GetBytes(key);
return Convert.ToBase64String(Encrypt(buff, kb));
}
/// <summary>
/// 使用给定密钥字符串解密string
/// </summary>
/// <param name="original">密文</param>
/// <param name="key">密钥</param>
/// <returns>明文</returns>
public static string Decrypt(string original, string key)
{
return Decrypt(original, key, System.Text.Encoding.Default);
}
/// <summary>
/// 使用给定密钥字符串解密string,返回指定编码方式明文
/// </summary>
/// <param name="encrypted">密文</param>
/// <param name="key">密钥</param>
/// <param name="encoding">字符编码方案</param>
/// <returns>明文</returns>
public static string Decrypt(string encrypted, string key, Encoding encoding)
{
byte[] buff = Convert.FromBase64String(encrypted);
byte[] kb = System.Text.Encoding.Default.GetBytes(key);
return encoding.GetString(Decrypt(buff, kb));
}
#endregion
#region 使用 缺省密钥字符串 加密/解密/byte[]
/// <summary>
/// 使用缺省密钥字符串解密byte[]
/// </summary>
/// <param name="encrypted">密文</param>
/// <param name="key">密钥</param>
/// <returns>明文</returns>
public static byte[] Decrypt(byte[] encrypted)
{
byte[] key = System.Text.Encoding.Default.GetBytes("MATICSOFT");
return Decrypt(encrypted, key);
}
/// <summary>
/// 使用缺省密钥字符串加密
/// </summary>
/// <param name="original">原始数据</param>
/// <param name="key">密钥</param>
/// <returns>密文</returns>
public static byte[] Encrypt(byte[] original)
{
byte[] key = System.Text.Encoding.Default.GetBytes("MATICSOFT");
return Encrypt(original, key);
}
#endregion
#region 使用 给定密钥 加密/解密/byte[]
/// <summary>
/// 生成MD5摘要
/// </summary>
/// <param name="original">数据源</param>
/// <returns>摘要</returns>
public static byte[] MakeMD5(byte[] original)
{
MD5CryptoServiceProvider hashmd5 = new MD5CryptoServiceProvider();
byte[] keyhash = hashmd5.ComputeHash(original);
hashmd5 = null;
return keyhash;
}
/// <summary>
/// 使用给定密钥加密
/// </summary>
/// <param name="original">明文</param>
/// <param name="key">密钥</param>
/// <returns>密文</returns>
public static byte[] Encrypt(byte[] original, byte[] key)
{
TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider();
des.Key = MakeMD5(key);
des.Mode = CipherMode.ECB;
return des.CreateEncryptor().TransformFinalBlock(original, 0, original.Length);
}
/// <summary>
/// 使用给定密钥解密数据
/// </summary>
/// <param name="encrypted">密文</param>
/// <param name="key">密钥</param>
/// <returns>明文</returns>
public static byte[] Decrypt(byte[] encrypted, byte[] key)
{
TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider();
des.Key = MakeMD5(key);
des.Mode = CipherMode.ECB;
return des.CreateDecryptor().TransformFinalBlock(encrypted, 0, encrypted.Length);
}
#endregion
}
}
复制代码
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