/**
* Encrypt database with new password
*
* @param oldPassword the old password
* @param newPassword the new password
* @param encrypt
* @return re-encrypted database
*/
boolean changeMasterPassword(String oldPassword, String newPassword, boolean encrypt) {
if (!setMasterPassword(oldPassword)) {
return false;
}
byte[] oldKey = key.get();
byte[] newKey = EncryptionUtil.genPasswordKey(newPassword);
ByteArrayWrapper testKey =
new ByteArrayWrapper(
EncryptionUtil.dbKey(oldKey, MasterKeyPasswordSafe.class, testKey(oldPassword)));
HashMap<ByteArrayWrapper, byte[]> oldDb = new HashMap<ByteArrayWrapper, byte[]>();
database.copyTo(oldDb);
HashMap<ByteArrayWrapper, byte[]> newDb = new HashMap<ByteArrayWrapper, byte[]>();
for (Map.Entry<ByteArrayWrapper, byte[]> e : oldDb.entrySet()) {
if (testKey.equals(e.getKey())) {
continue;
}
byte[] decryptedKey = EncryptionUtil.decryptKey(oldKey, e.getKey().unwrap());
String decryptedText = EncryptionUtil.decryptText(oldKey, e.getValue());
newDb.put(
new ByteArrayWrapper(EncryptionUtil.encryptKey(newKey, decryptedKey)),
EncryptionUtil.encryptText(newKey, decryptedText));
}
synchronized (database.getDbLock()) {
resetMasterPassword(newPassword, encrypt);
database.putAll(newDb);
}
return true;
}
