The Tor Browser: mobile/android/base/background/fxa/QuickPasswordStretcher.java@fc2d59ddac77 (annotated)

mobile/android/base/background/fxa/QuickPasswordStretcher.java@fc2d59ddac77 (annotated)

Wed, 31 Dec 2014 07:22:50 +0100

Correct previous dual key logic pending first delivery installment.

 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 package org.mozilla.gecko.background.fxa;
 import java.io.UnsupportedEncodingException;
 import java.security.GeneralSecurityException;
 import java.util.HashMap;
 import java.util.Map;
 import org.mozilla.gecko.sync.Utils;
 public class QuickPasswordStretcher implements PasswordStretcher {
   protected final String password;
   protected final Map<String, String> cache = new HashMap<String, String>();
   public QuickPasswordStretcher(String password) {
     this.password = password;
   }
   public synchronized byte[] getQuickStretchedPW(byte[] emailUTF8) throws UnsupportedEncodingException, GeneralSecurityException {
     if (emailUTF8 == null) {
       throw new IllegalArgumentException("emailUTF8 must not be null");
     }
     String key = Utils.byte2Hex(emailUTF8);
     if (!cache.containsKey(key)) {
       byte[] value = FxAccountUtils.generateQuickStretchedPW(emailUTF8, password.getBytes("UTF-8"));
       cache.put(key, Utils.byte2Hex(value));
       return value;
     }
     return Utils.hex2Byte(cache.get(key));
   }
 }