加到300分，求在JAVA下的“PBEWithMD5AndDES”加密算法，到C#下如何实现？(二）
加到300分
输入字串：这是一个测试
输出字串：09IdjpQQAPgniEaO/skp9gy8+LkD42fZ
输入字串：123456
输出字串：OEnU8DEcgsE=
以下是JAVA的源代码，想求一下在C#使用哪种函数能实现同样的加密算法。
一、http://topic.csdn.net/u/20120212/20/077d891b-d861-417d-8df0-aa973eb46bbf.html
二、本帖
三、
//07import javax.crypto.Cipher;import javax.crypto.SecretKey;import javax.crypto.SecretKeyFactory;import javax.crypto.spec.PBEKeySpec;import javax.crypto.spec.PBEParameterSpec;//09import java.security.MessageDigest;import javax.crypto.spec.DESKeySpec;import javax.crypto.spec.IvParameterSpec;//BASE64import sun.misc.BASE64Decoder;import sun.misc.BASE64Encoder;public class pubwin2009{ // key1 姓名身份证加解密 07/09 public static String Rcode(String message,int type)throws Exception { //String Key="123!@#qweQWE/.,?><abc"; //07 String Key="q1!2@3#we>WacE/.Q,?<b"; //09 byte _fldint[] = { -87, -101, -56, 50, 86, 53, -29, 3}; byte bytesrc[]; if (type==1) bytesrc =message.getBytes("UTF8"); else bytesrc =(new BASE64Decoder()).decodeBuffer(message); PBEParameterSpec pbeparameterspec = new PBEParameterSpec(_fldint,19); PBEKeySpec pbekeyspec = new PBEKeySpec(Key.toCharArray()); SecretKeyFactory secretkeyfactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES"); javax.crypto.SecretKey secretkey = secretkeyfactory.generateSecret(pbekeyspec); Cipher cipher = Cipher.getInstance("PBEWithMD5AndDES"); cipher.init(type, secretkey, pbeparameterspec); byte[] retByte = cipher.doFinal(bytesrc); if (type==1) return new BASE64Encoder().encode(retByte); else return new String(retByte,"UTF8"); } //09会员密码 db.properties 加解密 public static String decrypt(String message,int type) throws Exception { String keye = "hi%$so78"; //MD5 String keyb = "12up56^&"; //IvParameterSpec byte bytesrc[]; if (type==1) bytesrc =message.getBytes(); else bytesrc =(new BASE64Decoder()).decodeBuffer(message); MessageDigest md5 = MessageDigest.getInstance("MD5"); md5.update(keye.getBytes()); DESKeySpec desKeySpec = new DESKeySpec(md5.digest()); SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES"); SecretKey secretKey = keyFactory.generateSecret(desKeySpec); IvParameterSpec iv = new IvParameterSpec(keyb.getBytes("UTF-8")); Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding"); cipher.init(type, secretKey, iv); byte[] retByte = cipher.doFinal(bytesrc); if (type==1) return new BASE64Encoder().encode(retByte); else return new String(retByte); } public static void main(String args[]) throws Exception { System.out.println( "\n姓名身份证加密:这是一个测试 -> " +Rcode("这是一个测试",1)); System.out.println( "姓名身份证解密:09IdjpQQAPgniEaO/skp9gy8+LkD42fZ -> " +Rcode("09IdjpQQAPgniEaO/skp9gy8+LkD42fZ",2)+"\n"); System.out.println( "09会员密码加解:123456 -> " +decrypt("123456",1)); System.out.println( "09会员密码解密:OEnU8DEcgsE= -> " +decrypt("OEnU8DEcgsE=",2)); System.exit(0); }}
static void Main(string[] args) { Console.WriteLine("\n姓名身份证加密:这是一个测试 -> " + Rcode("这是一个测试", 1)); Console.WriteLine("姓名身份证解密:09IdjpQQAPgniEaO/skp9gy8+LkD42fZ -> " + Rcode("09IdjpQQAPgniEaO/skp9gy8+LkD42fZ", 2) + "\n"); } public static String Rcode(String message, int type) { String key = "q1!2@3#we>WacE/.Q,?<b"; //密码 sbyte[] salt = { -87, -101, -56, 50, 86, 53, -29, 3 }; // 随机盐 int count = 19; // 迭代次数 PKCSKeyGenerator cipher = new PKCSKeyGenerator(key, Array.ConvertAll(salt, a=>(byte)a), count, 1); if (type == 1) { byte[] src = Encoding.UTF8.GetBytes(message); byte[] result = cipher.Encryptor.TransformFinalBlock(src, 0, src.Length); return Convert.ToBase64String(result); } else { byte[] src = Convert.FromBase64String(message); byte[] result = cipher.Decryptor.TransformFinalBlock(src, 0, src.Length); return Encoding.UTF8.GetString(result); } } public class PKCSKeyGenerator { byte[] key = new byte[8], iv = new byte[8]; DESCryptoServiceProvider des = new DESCryptoServiceProvider(); public byte[] Key { get { return key; } } public byte[] IV { get { return iv; } } public ICryptoTransform Encryptor { get { return des.CreateEncryptor(key, iv); } } public ICryptoTransform Decryptor { get { return des.CreateDecryptor(key, iv); } } // 多加一个Decryptor用于解密 public PKCSKeyGenerator() { } public PKCSKeyGenerator(String keystring, byte[] salt, int md5iterations, int segments) { Generate(keystring, salt, md5iterations, segments); } public ICryptoTransform Generate(String keystring, byte[] salt, int md5iterations, int segments) { int HASHLENGTH = 16; //MD5 bytes byte[] keymaterial = new byte[HASHLENGTH * segments]; //to store concatenated Mi hashed results // --- get secret password bytes ---- byte[] psbytes; psbytes = Encoding.UTF8.GetBytes(keystring); // --- concatenate salt and pswd bytes into fixed data array --- byte[] data00 = new byte[psbytes.Length + salt.Length]; Array.Copy(psbytes, data00, psbytes.Length); //copy the pswd bytes Array.Copy(salt, 0, data00, psbytes.Length, salt.Length);//concatenate the salt bytes // ---- do multi-hashing and concatenate results D1, D2 ... // into keymaterial bytes ---- MD5 md5 = new MD5CryptoServiceProvider(); byte[] result = null; byte[] hashtarget = new byte[HASHLENGTH + data00.Length]; //fixed length initial hashtarget for (int j = 0; j < segments; j++) { // ---- Now hash consecutively for md5iterations times ------ if (j == 0) result = data00; //initialize else { Array.Copy(result, hashtarget, result.Length); Array.Copy(data00, 0, hashtarget, result.Length, data00.Length); result = hashtarget; } for (int i = 0; i < md5iterations; i++) result = md5.ComputeHash(result); Array.Copy(result, 0, keymaterial, j * HASHLENGTH, result.Length); //concatenate to keymaterial } Array.Copy(keymaterial, 0, key, 0, 8); Array.Copy(keymaterial, 8, iv, 0, 8); return Encryptor; } }