package com.demo.pbe;
import java.security.Key;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import javax.crypto.Cipher;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import javax.crypto.spec.PBEParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
public class testPBE {
private static final String src="http://www.google.com";
public static void main(String[] args) {
jdkPBE();
}
public static void jdkPBE(){
try {
//初始化盐
SecureRandom random=new SecureRandom();
byte [] salt=random.generateSeed(8);
//-----------口令及秘钥------------
String password="hao123";
PBEKeySpec pbeKeySpec = new PBEKeySpec(password.toCharArray());
SecretKeyFactory factory=SecretKeyFactory.getInstance("PBEWITHMD5andDES");
Key key =factory.generateSecret(pbeKeySpec);
//------加密处理---------
PBEParameterSpec pbeParameterSpec=new PBEParameterSpec(salt, 100);
Cipher cipher =Cipher.getInstance("PBEWITHMD5andDES");
cipher.init(Cipher.ENCRYPT_MODE,key, pbeParameterSpec);
byte[] bytes = cipher.doFinal(src.getBytes());
System.out.println("jdk pbe encrypt: "+Base64.encodeBase64String(bytes));
// String str=Base64.encodeBase64String(bytes);
// byte[] b=Base64.decodeBase64(str);
// System.out.println();
//-------解密处理------------
cipher.init(Cipher.DECRYPT_MODE,key,pbeParameterSpec);
bytes=cipher.doFinal(bytes);
System.out.println("jdk pbe decrypt: "+new String(bytes));
} catch (Exception e) {
e.printStackTrace();
}
}
}