blob: bf4b1bc97558757fd312dd2627fa17739c1c3446 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/* 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;
}
@Override
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));
}
}
|