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/*-
* ================================================================================
* eCOMP Portal SDK
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ================================================================================
*/
package org.openecomp.portalsdk.core.util;
import javax.crypto.Cipher;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
public class CipherUtil {
private final static String key = "AGLDdG4D04BKm2IxIWEr8o==!";
/**
* @param plainText
* @param secretKey
* @return encrypted version of plain text.
* @throws Exception
*/
public static String encrypt(String plainText, String secretKey) throws Exception{
byte[] rawKey;
String encryptedString;
SecretKeySpec sKeySpec;
byte[] encryptText = plainText.getBytes("UTF-8");
Cipher cipher;
rawKey = Base64.decodeBase64(secretKey);
sKeySpec = new SecretKeySpec(rawKey, "AES");
cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, sKeySpec);
encryptedString = Base64.encodeBase64String(cipher.doFinal(encryptText));
return encryptedString;
}
/**
*
* @param plainText
* @return Encrypted Text
* @throws Exception
*/
public static String encrypt(String plainText) throws Exception
{
return CipherUtil.encrypt(plainText,key);
}
/**
* @param encryptedText
* @param secretKey
* @return plain text version of encrypted text
* @throws Exception
*/
public static String decrypt(String encryptedText, String secretKey) throws Exception {
Cipher cipher;
String encryptedString;
byte[] encryptText = null;
byte[] rawKey;
SecretKeySpec sKeySpec;
rawKey = Base64.decodeBase64(secretKey);
sKeySpec = new SecretKeySpec(rawKey, "AES");
encryptText = Base64.decodeBase64(encryptedText.getBytes("UTF-8"));
cipher = Cipher.getInstance("AES");
cipher.init(Cipher.DECRYPT_MODE, sKeySpec);
encryptedString = new String(cipher.doFinal(encryptText));
return encryptedString;
}
/**
* @param encryptedText
* @return Decrypted Text
* @throws Exception
*/
public static String decrypt(String encryptedText) throws Exception
{
return CipherUtil.decrypt(encryptedText,key);
}
public static void main(String[] args) throws Exception {
String password = "Welcome123";
String encrypted;
String decrypted;
if (args.length != 2) {
System.out.println("Default password testing... ");
System.out.println("Plain password: " + password);
encrypted = encrypt(password);
System.out.println("Encrypted password: " + encrypted);
decrypted = decrypt(encrypted);
System.out.println("Decrypted password: " + decrypted);
} else {
String whatToDo = args[0];
if (whatToDo.equalsIgnoreCase("d")) {
encrypted = args[1];
System.out.println("Encrypted Text: " + encrypted);
decrypted = decrypt(encrypted);
System.out.println("Decrypted Text: " + decrypted);
} else {
decrypted = args[1];
System.out.println("Plain Text: " + decrypted);
encrypted = encrypt(decrypted);
System.out.println("Encrypted Text" + encrypted);
}
}
}
}
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