UDP协议实现对等通讯Java+RSA加密解密传送信息实现

UDP协议实现对等通讯Java+RSA加密解密传送信息实现，有client端和server端

package myrsa2;

import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.util.HashMap;

public class RSATest
{
	public static void main（String[] args） throws Exception 
	{  
        // TODO Auto-generated method stub  
        HashMapject> map = RSAUtils.getKeys（）;  
        //生成公钥和私钥  
        RSAPublicKey publicKey = （RSAPublicKey） map.get（“public“）;  
        RSAPrivateKey privateKey = （RSAPrivateKey） map.get（“private“）;  
        System.out.print（“\npublicKey:“+publicKey）;
        System.out.print（“\nprivateKey:“+privateKey）;
        //模  
        String modulus = publicKey.getModulus（）.toString（）;  
        //公钥指数  
        String public_exponent = publicKey.getPublicExponent（）.toString（）;  
        //私钥指数  
        String private_exponent = privateKey.getPrivateExponent（）.toString（）; 
        System.out.print（“\nmodulus:“+modulus）;
        System.out.print（“\npublic_exponent:“+public_exponent）; 
        System.out.print（“\nprivate_exponent:“+private_exponent）;
        
        //明文  
        String ming = “jjjjj123456789“;  
        //使用模和指数生成公钥和私钥  
        RSAPublicKey pubKey = RSAUtils.getPublicKey（modulus public_exponent）;  
        RSAPrivateKey priKey = RSAUtils.getPrivateKey（modulus private_exponent）;  
        //加密后的密文  
        String mi = RSAUtils.encryptByPublicKey（ming pubKey）;
        System.out.print（“\n加密前ming:“+ming）;
        System.out.print（“\n加密前ming_lenth:“+ming.length（））;
        //System.out.print（“\npubKey:“+pubKey）; 
        //System.out.print（“\npriKey:“+priKey）;
        System.out.print（“\n加密后mi:“+mi）;
        System.out.print（“\n解密前ming_lenth:“+mi.length（））;
        //解密后的明文  
        ming = RSAUtils.decryptByPrivateKey（mi priKey）; 
        
        System.out.print（“\n解密后的明文:“+ming）;
        //System.err.println（ming）;  
        
        
        
        
		/* String modulus = “104344065049535235337602750745972062206029307981021347712560211453856339371441553987973583092897777954138410872748183586468653712704255491417965770505559379560464351555212396558781035059397673682011104226754831711072822991514780158821061675743098642785196847109412740308768227675829387795015925250708654667999“;  
	     //公钥指数  
	     String public_exponent = “65537“;  
	     //私钥指数  
	     String private_exponent = “26190699453207419035103304236862236954532281250099961393893761972869322408108603736853463568338014363574421454395343393768548355493614337455567647661877282282990417681871242149491729973582918161723756665580166306049786985876261601361679056199457576596963451088706448549329113352190937000411497436484850157873“; 
	    
	     System.out.print（“\nmodulus:“+modulus）;
	     System.out.print（“\npublic_exponent:“+public_exponent）; 
	     System.out.print（“\nprivate_exponent:“+private_exponent）;
	        
	     //明文  
	    // String ming = “jjjjj123456789“;  
	     //使用模和指数生成公钥和私钥  
	     RSAPublicKey pubKey = RSA

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        301  2016-06-20 21:13  UDPClient\.classpath

     文件        385  2016-06-21 15:48  UDPClient\.project

     文件        598  2016-06-20 21:13  UDPClient\.settings\org.eclipse.jdt.core.prefs

     文件        763  2016-06-23 22:09  UDPClient\bin\client_window\ClientWindow$1.class

     文件        728  2016-06-23 22:09  UDPClient\bin\client_window\ClientWindow$2.class

     文件        716  2016-06-23 22:09  UDPClient\bin\client_window\ClientWindow$3.class

     文件       8621  2016-06-23 22:09  UDPClient\bin\client_window\ClientWindow.class

     文件       2777  2016-06-24 21:02  UDPClient\bin\myrsa2\RSATest.class

     文件       6513  2016-06-23 22:09  UDPClient\bin\myrsa2\RSAUtils.class

     文件        732  2016-06-24 21:02  UDPClient\bin\win1\ClientWindow1$1.class

     文件        689  2016-06-24 21:02  UDPClient\bin\win1\ClientWindow1$2.class

     文件       7511  2016-06-24 21:02  UDPClient\bin\win1\ClientWindow1.class

     文件       7164  2016-06-24 20:58  UDPClient\src\myrsa2\RSATest.java

     文件       6076  2016-06-19 11:00  UDPClient\src\myrsa2\RSAUtils.java

     文件       6757  2016-06-24 21:02  UDPClient\src\win1\ClientWindow1.java

     文件        301  2016-06-20 21:59  UDPServer\.classpath

     文件        385  2016-06-21 15:48  UDPServer\.project

     文件        598  2016-06-20 21:59  UDPServer\.settings\org.eclipse.jdt.core.prefs

     文件       2652  2016-06-23 22:09  UDPServer\bin\myrsa2\RSATest.class

     文件       6513  2016-06-23 22:09  UDPServer\bin\myrsa2\RSAUtils.class

     文件        763  2016-06-23 22:09  UDPServer\bin\server_window\ServerWindow$1.class

     文件        728  2016-06-23 22:09  UDPServer\bin\server_window\ServerWindow$2.class

     文件        716  2016-06-23 22:09  UDPServer\bin\server_window\ServerWindow$3.class

     文件       8704  2016-06-23 22:09  UDPServer\bin\server_window\ServerWindow.class

     文件        732  2016-06-24 21:02  UDPServer\bin\win1\ServerWindow1$1.class

     文件        689  2016-06-24 21:02  UDPServer\bin\win1\ServerWindow1$2.class

     文件       7838  2016-06-24 21:02  UDPServer\bin\win1\ServerWindow1.class

     文件       3312  2016-06-19 11:36  UDPServer\src\myrsa2\RSATest.java

     文件       6076  2016-06-19 11:00  UDPServer\src\myrsa2\RSAUtils.java

     文件       7272  2016-06-24 21:02  UDPServer\src\win1\ServerWindow1.java

............此处省略21个文件信息