Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 4 | |
michael@0 | 5 | package org.mozilla.gecko.background.fxa; |
michael@0 | 6 | |
michael@0 | 7 | import java.io.UnsupportedEncodingException; |
michael@0 | 8 | import java.security.GeneralSecurityException; |
michael@0 | 9 | import java.util.HashMap; |
michael@0 | 10 | import java.util.Map; |
michael@0 | 11 | |
michael@0 | 12 | import org.mozilla.gecko.sync.Utils; |
michael@0 | 13 | |
michael@0 | 14 | public class QuickPasswordStretcher implements PasswordStretcher { |
michael@0 | 15 | protected final String password; |
michael@0 | 16 | protected final Map<String, String> cache = new HashMap<String, String>(); |
michael@0 | 17 | |
michael@0 | 18 | public QuickPasswordStretcher(String password) { |
michael@0 | 19 | this.password = password; |
michael@0 | 20 | } |
michael@0 | 21 | |
michael@0 | 22 | public synchronized byte[] getQuickStretchedPW(byte[] emailUTF8) throws UnsupportedEncodingException, GeneralSecurityException { |
michael@0 | 23 | if (emailUTF8 == null) { |
michael@0 | 24 | throw new IllegalArgumentException("emailUTF8 must not be null"); |
michael@0 | 25 | } |
michael@0 | 26 | String key = Utils.byte2Hex(emailUTF8); |
michael@0 | 27 | if (!cache.containsKey(key)) { |
michael@0 | 28 | byte[] value = FxAccountUtils.generateQuickStretchedPW(emailUTF8, password.getBytes("UTF-8")); |
michael@0 | 29 | cache.put(key, Utils.byte2Hex(value)); |
michael@0 | 30 | return value; |
michael@0 | 31 | } |
michael@0 | 32 | return Utils.hex2Byte(cache.get(key)); |
michael@0 | 33 | } |
michael@0 | 34 | } |