--- /dev/null
+/*
+ * ============LICENSE_START==========================================
+ * org.onap.music
+ * ===================================================================
+ * 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.
+ *
+ * ============LICENSE_END=============================================
+ * ====================================================================
+ */
+package org.onap.music.main;
+
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.UnsupportedEncodingException;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+import java.util.Scanner;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.Cipher;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+
+import org.apache.commons.codec.binary.Base64;
+import org.apache.commons.lang3.ArrayUtils;
+import org.onap.music.eelf.logging.EELFLoggerDelegate;
+
+public class CipherUtil {
+
+
+ /**
+ * Default key.
+ */
+ private static String keyString = null;
+
+ private static final String ALGORITHM = "AES";
+ private static final String ALGORYTHM_DETAILS = ALGORITHM + "/CBC/PKCS5PADDING";
+ private static final int BLOCK_SIZE = 128;
+ @SuppressWarnings("unused")
+ private static SecretKeySpec secretKeySpec;
+ private static IvParameterSpec ivspec;
+ private static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(CipherUtil.class);
+ /**
+ * @deprecated Please use {@link #encryptPKC(String)} to encrypt the text.
+ *
+ * Encrypts the text using the specified secret key.
+ *
+ * @param plainText
+ * Text to encrypt
+ * @param secretKey
+ * Key to use for encryption
+ * @return encrypted version of plain text.
+ * @
+ * if any encryption step fails
+ *
+ */
+ @Deprecated
+ public static String encrypt(String plainText, String secretKey) {
+ String encryptedString = null;
+ try {
+ byte[] encryptText = plainText.getBytes("UTF-8");
+ byte[] rawKey = Base64.decodeBase64(secretKey);
+ SecretKeySpec sKeySpec = new SecretKeySpec(rawKey, "AES");
+ Cipher cipher = Cipher.getInstance("AES");
+ cipher.init(Cipher.ENCRYPT_MODE, sKeySpec);
+ encryptedString = Base64.encodeBase64String(cipher.doFinal(encryptText));
+ } catch (BadPaddingException | IllegalBlockSizeException | InvalidKeyException | NoSuchAlgorithmException
+ | NoSuchPaddingException | UnsupportedEncodingException ex) {
+ }
+ return encryptedString;
+ }
+
+ /**
+ * @deprecated Please use {@link #encryptPKC(String)} to encrypt the text.
+ * Encrypts the text using the secret key in key.properties file.
+ *
+ * @param plainText
+ * Text to encrypt
+ * @return Encrypted Text
+ * @
+ * if any decryption step fails
+ */
+ @Deprecated
+ public static String encrypt(String plainText) {
+ return CipherUtil.encrypt(plainText, keyString);
+ }
+
+ /**
+ * Encrypts the text using a secret key.
+ *
+ * @param plainText
+ * Text to encrypt
+ * @return Encrypted Text
+ * @
+ * if any decryption step fails
+ */
+ public static String encryptPKC(String plainText) {
+ return CipherUtil.encryptPKC(plainText, keyString);
+ }
+
+ /**
+ *
+ * @deprecated Please use {@link #decryptPKC(String)} to Decryption the text.
+ *
+ * Decrypts the text using the specified secret key.
+ *
+ * @param encryptedText
+ * Text to decrypt
+ * @param secretKey
+ * Key to use for decryption
+ * @return plain text version of encrypted text
+ * @
+ * if any decryption step fails
+ *
+ */
+ @Deprecated
+ public static String decrypt(String encryptedText, String secretKey) {
+ String encryptedString = null;
+ try {
+ byte[] rawKey = Base64.decodeBase64(secretKey);
+ SecretKeySpec sKeySpec = new SecretKeySpec(rawKey, "AES");
+ byte[] encryptText = Base64.decodeBase64(encryptedText.getBytes("UTF-8"));
+ Cipher cipher = Cipher.getInstance("AES");
+ cipher.init(Cipher.DECRYPT_MODE, sKeySpec);
+ encryptedString = new String(cipher.doFinal(encryptText));
+ } catch (BadPaddingException | IllegalBlockSizeException | InvalidKeyException | NoSuchAlgorithmException
+ | NoSuchPaddingException | UnsupportedEncodingException ex) {
+ }
+ return encryptedString;
+ }
+
+ private static SecretKeySpec getSecretKeySpec() {
+ byte[] key = Base64.decodeBase64(keyString);
+ return new SecretKeySpec(key, ALGORITHM);
+ }
+
+ private static SecretKeySpec getSecretKeySpec(String keyString) {
+ byte[] key = Base64.decodeBase64(keyString);
+ return new SecretKeySpec(key, ALGORITHM);
+ }
+
+ /**
+ * Encrypt the text using the secret key in key.properties file
+ *
+ * @param value
+ * @return The encrypted string
+ * @throws BadPaddingException
+ * @
+ * In case of issue with the encryption
+ */
+ public static String encryptPKC(String value, String skey) {
+ Cipher cipher = null;
+ byte[] iv = null, finalByte = null;
+
+ try {
+ cipher = Cipher.getInstance(ALGORYTHM_DETAILS, "SunJCE");
+
+ SecureRandom r = SecureRandom.getInstance("SHA1PRNG");
+ iv = new byte[BLOCK_SIZE / 8];
+ r.nextBytes(iv);
+ ivspec = new IvParameterSpec(iv);
+ cipher.init(Cipher.ENCRYPT_MODE, getSecretKeySpec(skey), ivspec);
+ finalByte = cipher.doFinal(value.getBytes());
+
+ } catch (Exception ex) {
+
+ }
+ return Base64.encodeBase64String(ArrayUtils.addAll(iv, finalByte));
+ }
+
+ /**
+ * Decrypts the text using the secret key in key.properties file.
+ *
+ * @param message
+ * The encrypted string that must be decrypted using the ecomp
+ * Encryption Key
+ * @return The String decrypted
+ * @
+ * if any decryption step fails
+ */
+ public static String decryptPKC(String message, String skey) {
+ byte[] encryptedMessage = Base64.decodeBase64(message);
+ Cipher cipher;
+ byte[] decrypted = null;
+ try {
+ cipher = Cipher.getInstance(ALGORYTHM_DETAILS, "SunJCE");
+ ivspec = new IvParameterSpec(ArrayUtils.subarray(encryptedMessage, 0, BLOCK_SIZE / 8));
+ byte[] realData = ArrayUtils.subarray(encryptedMessage, BLOCK_SIZE / 8, encryptedMessage.length);
+ cipher.init(Cipher.DECRYPT_MODE, getSecretKeySpec(skey), ivspec);
+ decrypted = cipher.doFinal(realData);
+
+ } catch (Exception ex) {
+
+
+ }
+
+ return new String(decrypted);
+ }
+
+ /**
+ * @deprecated Please use {@link #decryptPKC(String)} to Decrypt the text.
+ *
+ * Decrypts the text using the secret key in key.properties file.
+ *
+ * @param encryptedText
+ * Text to decrypt
+ * @return Decrypted text
+ * @
+ * if any decryption step fails
+ */
+ @Deprecated
+ public static String decrypt(String encryptedText) {
+ return CipherUtil.decrypt(encryptedText, keyString);
+ }
+
+ /**
+ *
+ * Decrypts the text using the secret key in key.properties file.
+ *
+ * @param encryptedText
+ * Text to decrypt
+ * @return Decrypted text
+ * @
+ * if any decryption step fails
+ */
+ public static String decryptPKC(String encryptedText) {
+ return CipherUtil.decryptPKC(encryptedText, keyString);
+ }
+
+
+ public static void readAndSetKeyString() {
+ try {
+ Scanner in = new Scanner(new FileReader("/opt/app/music/etc/properties.txt"));
+ StringBuilder sb = new StringBuilder();
+ while(in.hasNext()) {
+ sb.append(in.next());
+ }
+ in.close();
+ keyString = sb.toString();
+ } catch (FileNotFoundException e) {
+ logger.error(EELFLoggerDelegate.errorLogger, e.getMessage());
+ }
+ }
+
+ /*public static void main(String[] args) {
+
+ System.out.println("Encrypted password: "+encryptPKC("cassandra"));
+
+ System.out.println("Decrypted password: "+decryptPKC("dDhqAp5/RwZbl9yRSZg15fN7Qul9eiE/JFkKemtTib0="));
+ System.out.println("Decrypted password: "+decryptPKC("I/dOtD/YYzBStbtOYhKuUUyPHSW2G9ZzdSyB8bJp4vk="));
+ System.out.println("Decrypted password: "+decryptPKC("g7zJqg74dLsH/fyL7I75b4eySy3pbMS2xVqkrB5lDl8="));
+ }*/
+
+}
Code Review / music.git / blobdiff