package com.zhx.base.util; import org.apache.commons.codec.binary.Base64; import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESedeKeySpec;
import java.security.Key; public class TripleDES {
public static final String CIPHERMODE = "DESede/ECB/PKCS5Padding";
public static final String ENCODE = "utf-8"; /**
* 初始化密钥
* @return
* @throws Exception
*/
public static String getKeyStr() throws Exception{
return Base64.encodeBase64String(getKey().getEncoded());
} /**
* 获取密钥
* @return
* @throws Exception
*/
public static Key getKey() throws Exception{
//实例化
KeyGenerator kg = KeyGenerator.getInstance("DESede");
kg.init(168);
//生成密钥
SecretKey secretKey = kg.generateKey();
return secretKey;
} public static String encrypt(String key, String src) {
try {
DESedeKeySpec dks = new DESedeKeySpec(key.getBytes(ENCODE));
SecretKeyFactory keyFactory = SecretKeyFactory
.getInstance("DESede");
SecretKey securekey = keyFactory.generateSecret(dks);
Cipher cipher = Cipher.getInstance(CIPHERMODE);
cipher.init(Cipher.ENCRYPT_MODE, securekey);
byte[] b = cipher.doFinal(src.getBytes());
return Base64.encodeBase64String(b).replaceAll("\r", "").replaceAll("\n", "");
} catch (Exception e) {
e.printStackTrace();
}
return null;
} public static String decrypt(String key, String src) {
try {
byte[] bytesrc = Base64.decodeBase64(src);
DESedeKeySpec dks = new DESedeKeySpec(key.getBytes(ENCODE));
SecretKeyFactory keyFactory = SecretKeyFactory
.getInstance("DESede");
SecretKey securekey = keyFactory.generateSecret(dks);
Cipher cipher = Cipher.getInstance(CIPHERMODE);
cipher.init(Cipher.DECRYPT_MODE, securekey);
byte[] retByte = cipher.doFinal(bytesrc);
return new String(retByte, "utf-8");
} catch (Exception e) {
e.printStackTrace();
}
return null;
} public static void main(String[] args) throws Exception { String key = getKeyStr();
System.out.println(key);
System.out.println(key.getBytes().length);
String test = TripleDES.encrypt(key, "1232135sdsadsasdshgjhkjhkadsadsdgdfhgdjhkbvnbcnbhgfjhgjhgkhghfdsgfdsgadsadadsad");
System.out.println(test);
test = test.replace("=","");
System.out.println(test);
// System.out.println(Base64Utils.getBase64(test));
System.out.println(TripleDES.decrypt(key,test));
}
}
package com.zhx.base.util; public class TripleDESUtil { // public static String key = PropertiesUtil.getValue("THREEDESKEY");
public static String key = "asdsaffjhdfgdbv^&%^**hhjad";
/**
* 3DES加密
*
* @param value
* @return
*/
public static String getEncryptString(String value,String key) {
return TripleDES.encrypt(key, value).replace("=","");
}
/**
* 3DES解密
*
* @param value
* @return
*/
public static String decryptString(String value,String key) {
return TripleDES.decrypt(key, value);
} /**
* 3DES加密 带Base64
*
* @param value
* @return
*/
public static String getEncryptStringIncludeBase64(String value,String key) {
value = Base64Utils.getBase64(value);
value = TripleDES.encrypt(key, value);
// System.out.println("生成密文:" + value);
return value.replace("=","");
} /**
* 3DES解密 带Base64
*
* @param str
* @return
*/
public static String decryptDataIncludeBase64(String str,String key) {
if (str == null) {
str = "";
}
str = str.replaceAll(" ", "+");
return Base64Utils.getFromBase64(TripleDES.decrypt(key, str));
} public static void main(String[] args) {
String key = "5j3EAa7qp/R8xLquBKQskSaAtp224McC";
System.out.println("*******************BASE64****************************");
System.out.println(Base64Utils.getBase64("我的12312314"));
System.out.println(Base64Utils.getFromBase64(Base64Utils.getBase64("我的12312314")));
System.out.println("*******************3des****************************");
System.out.println(TripleDESUtil.getEncryptString("我的12312314",key));
System.out.println(TripleDESUtil.decryptString("+rEVEmiHZKcgIKVV2NcYNw",key));
System.out.println(TripleDESUtil.decryptString(TripleDESUtil.getEncryptString("我的12312314",key), key));
System.out.println("*******************3des+Base64****************************");
System.out.println(TripleDESUtil.getEncryptStringIncludeBase64("我的12312314",key));
System.out.println(TripleDESUtil.decryptDataIncludeBase64(TripleDESUtil.getEncryptStringIncludeBase64("我的12312314",key),key));
}
}
package com.zhx.base.util; import org.apache.commons.codec.binary.Base64; import java.io.UnsupportedEncodingException; public class Base64Utils { /**
* 加密
*
* @param str
* @return
*/
public static String getBase64(String str) {
byte[] b = null;
String s = null;
try {
b = str.getBytes("utf-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
if (b != null) {
s = Base64.encodeBase64String(b);
}
return s;
} /**
* 解密
*
* @param s
* @return
*/
public static String getFromBase64(String s) {
byte[] b = null;
String result = null;
if (s != null) {
try {
b = Base64.decodeBase64(s);
result = new String(b, "utf-8");
} catch (Exception e) {
e.printStackTrace();
}
}
return result;
}
}