diff options
Diffstat (limited to 'odl-aaa-moon/aaa-authn-api/src/main/java/org/opendaylight/aaa/api/SHA256Calculator.java')
-rw-r--r-- | odl-aaa-moon/aaa-authn-api/src/main/java/org/opendaylight/aaa/api/SHA256Calculator.java | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/odl-aaa-moon/aaa-authn-api/src/main/java/org/opendaylight/aaa/api/SHA256Calculator.java b/odl-aaa-moon/aaa-authn-api/src/main/java/org/opendaylight/aaa/api/SHA256Calculator.java deleted file mode 100644 index 81f4b899..00000000 --- a/odl-aaa-moon/aaa-authn-api/src/main/java/org/opendaylight/aaa/api/SHA256Calculator.java +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved. - * - * This program and the accompanying materials are made available under the - * terms of the Eclipse Public License v1.0 which accompanies this distribution, - * and is available at http://www.eclipse.org/legal/epl-v10.html - */ -package org.opendaylight.aaa.api; - -import java.security.MessageDigest; -import java.util.concurrent.locks.ReentrantReadWriteLock; -import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock; - -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; - -/** - * @author Sharon Aicler (saichler@cisco.com) - */ -public class SHA256Calculator { - - private static final Logger LOG = LoggerFactory.getLogger(SHA256Calculator.class); - - private static MessageDigest md = null; - private static ReentrantReadWriteLock lock = new ReentrantReadWriteLock(); - private static WriteLock writeLock = lock.writeLock(); - - public static String generateSALT() { - StringBuffer salt = new StringBuffer(); - for (int i = 0; i < 12; i++) { - int random = (int) (Math.random() * 24 + 1); - salt.append((char) (65 + random)); - } - return salt.toString(); - } - - public static String getSHA256(byte data[], String salt) { - byte SALT[] = salt.getBytes(); - byte temp[] = new byte[data.length + SALT.length]; - System.arraycopy(data, 0, temp, 0, data.length); - System.arraycopy(SALT, 0, temp, data.length, SALT.length); - - if (md == null) { - try { - writeLock.lock(); - if (md == null) { - try { - md = MessageDigest.getInstance("SHA-256"); - } catch (Exception err) { - LOG.error("Error calculating SHA-256 for SALT", err); - } - } - } finally { - writeLock.unlock(); - } - } - - byte by[] = null; - - try { - writeLock.lock(); - md.update(temp); - by = md.digest(); - } finally { - writeLock.unlock(); - } - return removeSpecialCharacters(new String(by)); - } - - public static String getSHA256(String password, String salt) { - return getSHA256(password.getBytes(), salt); - } - - public static String removeSpecialCharacters(String str) { - StringBuilder buff = new StringBuilder(); - for (int i = 0; i < str.length(); i++) { - if (str.charAt(i) != '\'' && str.charAt(i) != 0) { - buff.append(str.charAt(i)); - } - } - return buff.toString(); - } -} |