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-rw-r--r--security-utils/src/main/java/org/openecomp/sdc/security/Passwords.java190
1 files changed, 0 insertions, 190 deletions
diff --git a/security-utils/src/main/java/org/openecomp/sdc/security/Passwords.java b/security-utils/src/main/java/org/openecomp/sdc/security/Passwords.java
deleted file mode 100644
index 48c8523354..0000000000
--- a/security-utils/src/main/java/org/openecomp/sdc/security/Passwords.java
+++ /dev/null
@@ -1,190 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * SDC
- * ================================================================================
- * 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.sdc.security;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.math.BigInteger;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
-import java.util.Arrays;
-import java.util.Random;
-
-
-public class Passwords {
-
- private static Logger log = LoggerFactory.getLogger( Passwords.class);
- private static final Random RANDOM = new SecureRandom();
- private static final int SALT = 0;
- private static final int HASH = 1;
- private static final String HASH_ALGORITHM = "SHA-256";
-
- /**
- * static utility class
- */
- private Passwords() {
- }
-
- /**
- * the method calculates a hash with a generated salt for the given password
- *
- * @param password
- * @return a "salt:hash" value
- */
- public static String hashPassword(String password) {
- if (password!=null){
- byte[] salt = getNextSalt();
- byte[] byteData = hash(salt, password.getBytes());
- if (byteData != null) {
- return toHex(salt) + ":" + toHex(byteData);
- }
- }
- return null;
- }
-
- /**
- * the method checks if the given password matches the calculated hash
- *
- * @param password
- * @param expectedHash
- * @return
- */
- public static boolean isExpectedPassword(String password, String expectedHash) {
- if (password==null && expectedHash==null)
- return true;
- if (password==null || expectedHash==null) //iff exactly 1 is null
- return false;
- if (!expectedHash.contains(":")){
- log.error("invalid password expecting hash at the prefix of the password (ex. e0277df331f4ff8f74752ac4a8fbe03b:6dfbad308cdf53c9ff2ee2dca811ee92f1b359586b33027580e2ff92578edbd0)\n" +
- "\t\t\t");
- return false;
- }
- String[] params = expectedHash.split(":");
- return isExpectedPassword(password, params[SALT], params[HASH]);
- }
-
- /**
- * the method checks if the given password matches the calculated hash
- *
- * @param password
- * @param salt
- * @param hash
- * the hash generated using the salt
- * @return true if the password matched the hash
- */
- public static boolean isExpectedPassword(String password, String salt, String hash) {
- if ( password == null && hash == null )
- return true;
- if ( salt == null ){
- log.error("salt must be initialized");
- return false;
- }
- //unintialized params
- if ( password == null || hash == null )
- return false;
- byte[] saltBytes = fromHex(salt);
- byte[] hashBytes = fromHex(hash);
-
- byte[] byteData = hash(saltBytes, password.getBytes());
- if (byteData != null) {
- return Arrays.equals(byteData, hashBytes);
- }
- return false;
- }
-
- public static void main(String[] args) {
- if (args.length > 1 || args.length > 0) {
- System.out.println("[" + hashPassword(args[0]) + "]");
- } else {
- System.out.println("no passward passed.");
- }
-
- }
-
- /**
- * Returns a random salt to be used to hash a password.
- *
- * @return a 16 bytes random salt
- */
- private static byte[] getNextSalt() {
- byte[] salt = new byte[16];
- RANDOM.nextBytes(salt);
- return salt;
- }
-
- /**
- * hase's the salt and value using the chosen algorithm
- *
- * @param salt
- * @param password
- * @return an array of bytes resulting from the hash
- */
- private static byte[] hash(byte[] salt, byte[] password) {
- MessageDigest md;
- byte[] byteData = null;
- try {
- md = MessageDigest.getInstance(HASH_ALGORITHM);
- md.update(salt);
- md.update(password);
- byteData = md.digest();
- } catch (NoSuchAlgorithmException e) {
- log.error("invalid algorithm name {}", e);
- System.out.println("invalid algorithm name");
- }
- return byteData;
- }
-
- /**
- * Converts a string of hexadecimal characters into a byte array.
- *
- * @param hex
- * the hex string
- * @return the hex string decoded into a byte array
- */
- private static byte[] fromHex(String hex) {
- if ( hex == null )
- return null;
- byte[] binary = new byte[hex.length() / 2];
- for (int i = 0; i < binary.length; i++) {
- binary[i] = (byte) Integer.parseInt(hex.substring(2 * i, 2 * i + 2), 16);
- }
- return binary;
- }
-
- /**
- * Converts a byte array into a hexadecimal string.
- *
- * @param array
- * the byte array to convert
- * @return a length*2 character string encoding the byte array
- */
- private static String toHex(byte[] array) {
- BigInteger bi = new BigInteger(1, array);
- String hex = bi.toString(16);
- int paddingLength = (array.length * 2) - hex.length();
- if (paddingLength > 0)
- return String.format("%0" + paddingLength + "d", 0) + hex;
- else
- return hex;
- }
-}