DataUtils

/**
 *  DataUtils.java
 * 2014-10-10 下午7:40:02
 * Administrator JUN
 */
package com.yiban.data;

import org.json.JSONObject;

import android.util.Log;

/**
 * @author Administrator
 *暴露加密和解密算法的工具类
 */
public final class DataUtils {
	public static final String TAG="DataUtils";
	//封装的公钥和私钥   可以采用2对不配套的来处理(更安全 当然也可以使用一套rsa)  
	//第一对公钥
	private static final String DEFAULT_PUBLIC_KEY = "your  first pair public key";
//	private static final String DEFAULT_PRIVATE_KEY = "MIICeAIBADANBgkqhkiG9w0BAQEFAASCAmIwggJeAgEAAoGBAOiy8fWAKlBNNktcYxxJ56oONa4NVjT4BpvVVu0YmpZ2Q93fYPiERTAWNUn4UlurtSm8UUNDeTbLaf/WvPFZqkWT974E00JIo/17r45/VIuzzdKjbt2CIB4AqZ1CjHB9euC8/X9BEwknSLqbcJFHJOVc75wwZtipG/WJNP25pGiVAgMBAAECgYEAv4PXY8hyCtkhYHDPGU8yHWHIiFFtq/ad6c9x1X00bbU0Mf1Q3/hswSDmBtUbY1s0pP7amtODhbdwrCFeK/0yBrOegb2fQeJs/QL6/y4/DPzRB21k9N8cQjgmv5tQb72fwdY8nDROXnzKQceMo6b/xkWaIhvhdUq6nCqPvoIGRIECQQD+lOKTQk769G9BQd7HW+2H2NioPbxri+V27daC1M5uBfBj8Wt3NDJ5IyMvOHz5yTlm8FsE2Zz1/aFdLJ/Rv4IRAkEA6f7ZOMcuxlRsAiN708+r3q3sxAyBood+qAJ1MKhOrdR94RcAPUkcjFTZ8j1v0eclj6+w2RChcpb5Ath93ia6RQJBAP3b6x+axHUcn4A8NfEn6vFGu6zwet3nT3bLbddia0JtK6wNhfMFGruO3TvuITlXfaT3UlvAv/LP6kOmBuw6AnECQQDR3r29awjM4ZMuJ908EJs6Ugx1mjH7MEOtNOcfCRXoWxm79QFF9nkgdEo2NlxAi2zo/s9DIONs/3O/1aSux1VxAkBkkOdc0f2ogWZHqtCYfVfYjwbMvlW/6lnbq0B76V1SVqogoSubwnF7EUBdmqpzWmzqM4xURBh9QqDnUUfBzPMW";
//	private static final String DEFAULT_PRIVATE_KEY="";
	//第二队私钥
	private static final String DEFAULT_PRIVATE_KEY = "your second pair private key";
	
	public static String encodeRequest(JSONObject json) throws Exception{
		byte[] data = json.toString().getBytes();
		byte[] encodedData = RSAUtils.encryptByPublicKey(data, DEFAULT_PUBLIC_KEY);
		System.out.println("加密后文字：\r\n" + new String(encodedData));
		Log.i(TAG,"网络传输的字符串:"+Base64Utils.encode(encodedData));
		
		return Base64Utils.encode(encodedData);
		
	}
	
	
	public static String decodeAppResponse(String response) throws Exception{
		Log.i(TAG,"需要解密的字符串"+response);
		byte[] responseData = Base64Utils.decode(response);
		byte[] decodedData = RSAUtils.decryptByPrivateKey(responseData,
				DEFAULT_PRIVATE_KEY);
		String responseText = new String(decodedData);
		System.out.println("解密后文字: \r\n" + responseText);
		Log.i(TAG,"解密后的字符串"+response);
		return responseText;
	}
	
	
	
	
	
	
	
	
	
	
	
}