程序员女妹子求助！！！,C\C++交流,编程语言专区,鱼C论坛

qq小小七 发表于 2014-5-27 20:14:58

程序员女妹子求助！！！

求大神编写DES RSA

sidfate 发表于 2014-5-27 22:36:09

求我啊~~{:7_178:}

ravenhu13 发表于 2014-5-27 22:53:01

搜索一下很多这种算法的实现。。

rebeva 发表于 2014-5-27 23:39:34

路过帮顶！！！！！

lzw596288381 发表于 2014-5-28 00:28:08

把女妹子都抬出来了要验身

qq小小七 发表于 2014-5-28 08:40:26

sidfate 发表于 2014-5-27 22:36 static/image/common/back.gif
求我啊~~

一种想扁你的冲动

qq小小七 发表于 2014-5-28 08:41:10

lzw596288381 发表于 2014-5-28 00:28 static/image/common/back.gif
把女妹子都抬出来了要验身

验身就算了，爱信不信

u654f 发表于 2014-5-28 09:03:39

using System;
using System.IO;
using System.Data;
using System.Configuration;
using System.Web;
using System.Security.Cryptography;
using System.Text;

namespace Common
{
/// <summary>
/// DES 的摘要说明
/// </summary>
public class DES
{
   DESCryptoServiceProvider des;
   static string desDefaultKey, desDefaultIV;

   #region 构造方法。初始化 DES 新实例
   /// <summary>
   /// 初始化 DES 新实例
   /// </summary>
   public DES()
   {
         this.des = new DESCryptoServiceProvider();
   }

   /// <summary>
   /// 初始化 DES 新实例
   /// </summary>
   /// <param name="key">密钥</param>
   /// <param name="iv">向量</param>
   public DES(string key, string iv)
         : this()
   {
         this.Key = key;
         this.IV = iv;
   }
   #endregion

   #region Key、IV 属性。获取或设置数据加密的 Key 和 IV
   /// <summary>
   ///获取或设置数据加密标准 (System.Security.Cryptography.DES) 算法的机密密钥
   /// </summary>
   public string Key
   {
         get { return System.Text.Encoding.Default.GetString(this.des.Key); }
         set
         {
            if (value == null)
               value = "";

            byte[] buffer = System.Text.Encoding.Default.GetBytes(value);

            byte[] keybuffer = new byte;
            Array.Copy(buffer, keybuffer, buffer.Length > 8 ? 8 : buffer.Length);
            this.des.Key = keybuffer;
         }
   }

   /// <summary>
   ///获取或设置对称算法的初始化向量 (System.Security.Cryptography.SymmetricAlgorithm.IV)
   /// </summary>
   public string IV
   {
         get { return System.Text.Encoding.Default.GetString(this.des.IV); }
         set
         {
            if (value == null)
               value = "";

            byte[] buffer = System.Text.Encoding.Default.GetBytes(value);

            byte[] ivBuffer = new byte;
            Array.Copy(buffer, ivBuffer, buffer.Length > 8 ? 8 : buffer.Length);
            this.des.IV = ivBuffer;
         }
   }
   #endregion

   #region Encrypt、Decrypt 方法。加解密字符串
   /// <summary>
   /// 加密字符串
   /// </summary>
   /// <param name="input">待加密的源字符串</param>
   /// <returns>加密后的结果字符串</returns>
   public string Encrypt(string input)
   {
         MemoryStream ms = new MemoryStream();
         ICryptoTransform transform = this.des.CreateEncryptor();
         CryptoStream cs = new CryptoStream(ms, transform, CryptoStreamMode.Write);

         byte[] buffer = System.Text.Encoding.Default.GetBytes(input);
         cs.Write(buffer, 0, buffer.Length);
         cs.FlushFinalBlock();

         byte[] result = ms.ToArray();
         return Convert.ToBase64String(result);
   }

   /// <summary>
   /// 解密字符串
   /// </summary>
   /// <param name="input">待解密字符串</param>
   /// <returns>解密后的源字符串</returns>
   public string Decrypt(string input)
   {
         MemoryStream ms = new MemoryStream();
         ICryptoTransform transform = this.des.CreateDecryptor();
         try
         {

            byte[] buffer = Convert.FromBase64String(input);
            CryptoStream cs = new CryptoStream(ms, transform, CryptoStreamMode.Write);
            cs.Write(buffer, 0, buffer.Length);
            cs.FlushFinalBlock();
         }
         catch (Exception ex)
         {
            Log.LogHelper.Error("DES", "Descrypt", ex.Message);
            return string.Empty;
         }

         byte[] result = ms.ToArray();
         return System.Text.Encoding.Default.GetString(result);
   }
   #endregion

   public static string DesDefaultKey
   {
         get
         {
            if (DES.desDefaultKey == null)
               DES.desDefaultKey = "tf2014.04.14pwd";

            return DES.desDefaultKey;
         }
   }

   public static string DesDefaultIV
   {
         get
         {
            if (DES.desDefaultIV == null)
               DES.desDefaultIV = "tf2014.04.14exp";

            return DES.desDefaultIV;
         }
   }

   public static string DesEncrypt(string input)
   {
         DES des = new DES(DES.DesDefaultKey, DES.DesDefaultIV);
         return des.Encrypt(input);
   }

   public static string DesDecrypt(string input)
   {
         DES des = new DES(DES.DesDefaultKey, DES.DesDefaultIV);
         return des.Decrypt(input);
   }
}

public class RSA
{
   /// <summary>
   /// RSA加密
   /// </summary>
   /// <param name="publickey"></param>
   /// <param name="content"></param>
   /// <returns></returns>
   public static string RSAEncrypt(string publickey, string content)
   {
         publickey = @"<RSAKeyValue><Modulus>5m9m14XH3oqLJ8bNGw9e4rGpXpcktv9MSkHSVFVMjHbfv+SJ5v0ubqQxa5YjLN4vc49z7SVju8s0X4gZ6AzZTn06jzWOgyPRV54Q4I0DCYadWW4Ze3e+BOtwgVU1Og3qHKn8vygoj40J6U85Z/PTJu3hN1m75Zr195ju7g9v4Hk=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>";
         RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
         byte[] cipherbytes;
         rsa.FromXmlString(publickey);
         cipherbytes = rsa.Encrypt(Encoding.UTF8.GetBytes(content), false);

         return Convert.ToBase64String(cipherbytes);
   }

   /// <summary>
   /// RSA解密
   /// </summary>
   /// <param name="privatekey"></param>
   /// <param name="content"></param>
   /// <returns></returns>
   public static string RSADecrypt(string privatekey, string content)
   {
         privatekey = @"<RSAKeyValue><Modulus>5m9m14XH3oqLJ8bNGw9e4rGpXpcktv9MSkHSVFVMjHbfv+SJ5v0ubqQxa5YjLN4vc49z7SVju8s0X4gZ6AzZTn06jzWOgyPRV54Q4I0DCYadWW4Ze3e+BOtwgVU1Og3qHKn8vygoj40J6U85Z/PTJu3hN1m75Zr195ju7g9v4Hk=</Modulus><Exponent>AQAB</Exponent><P>/hf2dnK7rNfl3lbqghWcpFdu778hUpIEBixCDL5WiBtpkZdpSw90aERmHJYaW2RGvGRi6zSftLh00KHsPcNUMw==</P><Q>6Cn/jOLrPapDTEp1Fkq+uz++1Do0eeX7HYqi9rY29CqShzCeI7LEYOoSwYuAJ3xA/DuCdQENPSoJ9KFbO4Wsow==</Q><DP>ga1rHIJro8e/yhxjrKYo/nqc5ICQGhrpMNlPkD9n3CjZVPOISkWF7FzUHEzDANeJfkZhcZa21z24aG3rKo5Qnw==</DP><DQ>MNGsCB8rYlMsRZ2ek2pyQwO7h/sZT8y5ilO9wu08Dwnot/7UMiOEQfDWstY3w5XQQHnvC9WFyCfP4h4QBissyw==</DQ><InverseQ>EG02S7SADhH1EVT9DD0Z62Y0uY7gIYvxX/uq+IzKSCwB8M2G7Qv9xgZQaQlLpCaeKbux3Y59hHM+KpamGL19Kg==</InverseQ><D>vmaYHEbPAgOJvaEXQl+t8DQKFT1fudEysTy31LTyXjGu6XiltXXHUuZaa2IPyHgBz0Nd7znwsW/S44iql0Fen1kzKioEL3svANui63O3o5xdDeExVM6zOf1wUUh/oldovPweChyoAdMtUzgvCbJk1sYDJf++Nr0FeNW1RB1XG30=</D></RSAKeyValue>";
         RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
         byte[] cipherbytes;
         rsa.FromXmlString(privatekey);
         cipherbytes = rsa.Decrypt(Convert.FromBase64String(content), false);

         return Encoding.UTF8.GetString(cipherbytes);
   }
}

/// <summary>
/// MD5 的摘要说明
/// </summary>
public class MD5
{
   public static string Compute(string value)
   {
         // 创建 MD5 加密提供程序实例
         MD5CryptoServiceProvider md5 = (MD5CryptoServiceProvider)MD5CryptoServiceProvider.Create();

         byte[] buffer = Encoding.Default.GetBytes(value); // 将字符串转换成二进制数组（byte 数组，通常称作为二进制数组）
         byte[] result = md5.ComputeHash(buffer); // 生成 MD5 哈希代码（也是二进制数组）。

         // 将生成的 MD5 哈希代码，转换为字符串显示
         string hash = BitConverter.ToString(result).Replace("-", string.Empty);
         return hash;
   }

   public static string Compute(string value, MD5Type md5Typ)
   {
         System.Security.Cryptography.MD5CryptoServiceProvider MD5 = new System.Security.Cryptography.MD5CryptoServiceProvider();
         byte[] b = MD5.ComputeHash(System.Text.Encoding.UTF8.GetBytes(value));
         System.Text.StringBuilder StrB = new System.Text.StringBuilder();
         for (int i = 0; i < b.Length; i++)
            StrB.Append(b.ToString("x").PadLeft(2, '0'));
         if (md5Typ == MD5Type.MD5_16)
            return StrB.ToString(8, 16);
         else
            return StrB.ToString();
   }
}

public enum MD5Type
{
   //16位MD5码
   MD5_16 = 16,
   //32位MD5码
   MD5_32 = 32
}

}

807384923 发表于 2014-5-28 10:34:09

求真相

ぜBaby_小小 发表于 2014-5-28 11:15:36

= = 网络上面有很多算法的

LGY2014 发表于 2014-5-28 11:30:16

8楼真积极，这么快就写好了。

大黑鱼 发表于 2014-5-28 12:37:42

真有大神！！！！

Winer 发表于 2014-5-28 21:49:37

我只是想问问而已没有冒犯的意思现在鱼C很少MM 会不会有人故意装MM来问问题实现自己想要的结果？{:1_1:}

qq小小七 发表于 2014-5-28 22:40:42

Winer 发表于 2014-5-28 21:49 static/image/common/back.gif
我只是想问问而已没有冒犯的意思现在鱼C很少MM 会不会有人故意装MM来问问题实现自己想要的结果？

为什么鱼C很少MM？

qq小小七 发表于 2014-5-28 22:41:13

qq小小七发表于 2014-5-28 22:40 static/image/common/back.gif
为什么鱼C很少MM？

不过我真的是妹子。。。。。学网络工程的

qq小小七 发表于 2014-5-28 22:41:59

ぜBaby_小小发表于 2014-5-28 11:15 static/image/common/back.gif
= = 网络上面有很多算法的

要自己写的，最近作业实验太多还要考试才求帮忙的，，，，网上的版本要的人太多了

qq小小七 发表于 2014-5-28 22:42:33

yueyiyunfeng 发表于 2014-5-28 09:42 static/image/common/back.gif
支持楼主，顶一下

Thankyou。。。

qq小小七 发表于 2014-5-28 22:43:08

夺命弑神发表于 2014-5-28 09:11 static/image/common/back.gif
女汉纸的标准！！！！

是滴，学这个的必须汉子

qq小小七 发表于 2014-5-28 22:43:55

u654f 发表于 2014-5-28 09:03 static/image/common/back.gif
using System;
using System.IO;
using System.Data;

亲，你这是哪门语言。。。像c++又不像的

Winer 发表于 2014-5-28 23:22:11

qq小小七发表于 2014-5-28 22:40 static/image/common/back.gif
为什么鱼C很少MM？

不单单是鱼C 全国都是学计算机的MM少的可怜

页: [1] 2

鱼C论坛's Archiver

程序员女妹子求助！！！