| /* |
| * Copyright 2000-2013 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.openapi.util; |
| |
| import org.jetbrains.annotations.Nullable; |
| |
| public class PasswordUtil { |
| private PasswordUtil() { } |
| |
| // weak encryption just to avoid plain text passwords in text files |
| public static String encodePassword(@Nullable String password) { |
| String result = ""; |
| if (password == null) { |
| return result; |
| } |
| for (int i = 0; i < password.length(); i++) { |
| int c = password.charAt(i); |
| c ^= 0xdfaa; |
| result += Integer.toHexString(c); |
| } |
| return result; |
| } |
| |
| public static String decodePassword(@Nullable String password) throws NumberFormatException { |
| String result = ""; |
| if (password == null) { |
| return result; |
| } |
| for (int i = 0; i < password.length(); i += 4) { |
| String s = password.substring(i, i + 4); |
| int c = Integer.parseInt(s, 16); |
| c ^= 0xdfaa; |
| result += new Character((char)c).charValue(); |
| } |
| return result; |
| } |
| } |