diff options
Diffstat (limited to 'common/src/main/java/org/openecomp/mso/utils/CryptoUtils.java')
-rw-r--r-- | common/src/main/java/org/openecomp/mso/utils/CryptoUtils.java | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/common/src/main/java/org/openecomp/mso/utils/CryptoUtils.java b/common/src/main/java/org/openecomp/mso/utils/CryptoUtils.java deleted file mode 100644 index 5d0ff5b79e..0000000000 --- a/common/src/main/java/org/openecomp/mso/utils/CryptoUtils.java +++ /dev/null @@ -1,95 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * ONAP - SO - * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. - * ================================================================================ - * 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.openecomp.mso.utils; - - - -import java.io.IOException; -import java.security.GeneralSecurityException; -import java.security.NoSuchAlgorithmException; - -import javax.crypto.Cipher; -import javax.crypto.spec.SecretKeySpec; - - -/** - * CryptoUtils adapted from RTTP client. - * - */ -public final class CryptoUtils { - - public static final String AES = "AES"; - - /** - * encrypt a value and generate a keyfile - * if the keyfile is not found then a new one is created - * - * @throws GeneralSecurityException - */ - public static String encrypt (String value, String keyString) throws GeneralSecurityException { - SecretKeySpec sks = getSecretKeySpec (keyString); - Cipher cipher = Cipher.getInstance (CryptoUtils.AES); - cipher.init (Cipher.ENCRYPT_MODE, sks, cipher.getParameters ()); - byte[] encrypted = cipher.doFinal (value.getBytes ()); - return byteArrayToHexString (encrypted); - } - - /** - * decrypt a value - * - * @throws GeneralSecurityException - */ - public static String decrypt (String message, String keyString) throws GeneralSecurityException { - SecretKeySpec sks = getSecretKeySpec (keyString); - Cipher cipher = Cipher.getInstance (CryptoUtils.AES); - cipher.init (Cipher.DECRYPT_MODE, sks); - byte[] decrypted = cipher.doFinal (hexStringToByteArray (message)); - return new String (decrypted); - } - - private static SecretKeySpec getSecretKeySpec (String keyString) throws NoSuchAlgorithmException { - byte[] key = hexStringToByteArray (keyString); - SecretKeySpec sks = new SecretKeySpec (key, CryptoUtils.AES); - return sks; - } - - public static String byteArrayToHexString (byte[] b) { - StringBuilder sb = new StringBuilder(b.length * 2); - for (byte aB : b) { - int v = aB & 0xff; - if (v < 16) { - sb.append('0'); - } - sb.append(Integer.toHexString(v)); - } - return sb.toString ().toUpperCase (); - } - - private static byte[] hexStringToByteArray (String s) { - byte[] b = new byte[s.length () / 2]; - for (int i = 0; i < b.length; i++) { - int index = i * 2; - int v = Integer.parseInt (s.substring (index, index + 2), 16); - b[i] = (byte) v; - } - return b; - } -} |