// Copyright (c) 2006 Damien Miller <djm@mindrot.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

package org.mindrot.jbcrypt;

/*-
 * #%L
 * ACT Framework
 * %%
 * Copyright (C) 2014 - 2017 ActFramework
 * %%
 * 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.
 * #L%
 */

import junit.framework.TestCase;
import org.junit.Ignore;
import org.junit.Test;

/**
 * JUnit unit tests for BCrypt routines
 * @author Damien Miller
 * @version 0.2
 */

@Ignore // ignore as it takes long time
public class BCryptTest extends TestCase {
    String test_vectors[][] = {
            { "",
                    "$2a$06$DCq7YPn5Rq63x1Lad4cll.",
                    "$2a$06$DCq7YPn5Rq63x1Lad4cll.TV4S6ytwfsfvkgY8jIucDrjc8deX1s." },
            { "",
                    "$2a$08$HqWuK6/Ng6sg9gQzbLrgb.",
                    "$2a$08$HqWuK6/Ng6sg9gQzbLrgb.Tl.ZHfXLhvt/SgVyWhQqgqcZ7ZuUtye" },
            { "",
                    "$2a$10$k1wbIrmNyFAPwPVPSVa/ze",
                    "$2a$10$k1wbIrmNyFAPwPVPSVa/zecw2BCEnBwVS2GbrmgzxFUOqW9dk4TCW" },
            { "",
                    "$2a$12$k42ZFHFWqBp3vWli.nIn8u",
                    "$2a$12$k42ZFHFWqBp3vWli.nIn8uYyIkbvYRvodzbfbK18SSsY.CsIQPlxO" },
            { "a",
                    "$2a$06$m0CrhHm10qJ3lXRY.5zDGO",
                    "$2a$06$m0CrhHm10qJ3lXRY.5zDGO3rS2KdeeWLuGmsfGlMfOxih58VYVfxe" },
            { "a",
                    "$2a$08$cfcvVd2aQ8CMvoMpP2EBfe",
                    "$2a$08$cfcvVd2aQ8CMvoMpP2EBfeodLEkkFJ9umNEfPD18.hUF62qqlC/V." },
            { "a",
                    "$2a$10$k87L/MF28Q673VKh8/cPi.",
                    "$2a$10$k87L/MF28Q673VKh8/cPi.SUl7MU/rWuSiIDDFayrKk/1tBsSQu4u" },
            { "a",
                    "$2a$12$8NJH3LsPrANStV6XtBakCe",
                    "$2a$12$8NJH3LsPrANStV6XtBakCez0cKHXVxmvxIlcz785vxAIZrihHZpeS" },
            { "abc",
                    "$2a$06$If6bvum7DFjUnE9p2uDeDu",
                    "$2a$06$If6bvum7DFjUnE9p2uDeDu0YHzrHM6tf.iqN8.yx.jNN1ILEf7h0i" },
            { "abc",
                    "$2a$08$Ro0CUfOqk6cXEKf3dyaM7O",
                    "$2a$08$Ro0CUfOqk6cXEKf3dyaM7OhSCvnwM9s4wIX9JeLapehKK5YdLxKcm" },
            { "abc",
                    "$2a$10$WvvTPHKwdBJ3uk0Z37EMR.",
                    "$2a$10$WvvTPHKwdBJ3uk0Z37EMR.hLA2W6N9AEBhEgrAOljy2Ae5MtaSIUi" },
            { "abc",
                    "$2a$12$EXRkfkdmXn2gzds2SSitu.",
                    "$2a$12$EXRkfkdmXn2gzds2SSitu.MW9.gAVqa9eLS1//RYtYCmB1eLHg.9q" },
            { "abcdefghijklmnopqrstuvwxyz",
                    "$2a$06$.rCVZVOThsIa97pEDOxvGu",
                    "$2a$06$.rCVZVOThsIa97pEDOxvGuRRgzG64bvtJ0938xuqzv18d3ZpQhstC" },
            { "abcdefghijklmnopqrstuvwxyz",
                    "$2a$08$aTsUwsyowQuzRrDqFflhge",
                    "$2a$08$aTsUwsyowQuzRrDqFflhgekJ8d9/7Z3GV3UcgvzQW3J5zMyrTvlz." },
            { "abcdefghijklmnopqrstuvwxyz",
                    "$2a$10$fVH8e28OQRj9tqiDXs1e1u",
                    "$2a$10$fVH8e28OQRj9tqiDXs1e1uxpsjN0c7II7YPKXua2NAKYvM6iQk7dq" },
            { "abcdefghijklmnopqrstuvwxyz",
                    "$2a$12$D4G5f18o7aMMfwasBL7Gpu",
                    "$2a$12$D4G5f18o7aMMfwasBL7GpuQWuP3pkrZrOAnqP.bmezbMng.QwJ/pG" },
            { "~!@#$%^&*()      ~!@#$%^&*()PNBFRD",
                    "$2a$06$fPIsBO8qRqkjj273rfaOI.",
                    "$2a$06$fPIsBO8qRqkjj273rfaOI.HtSV9jLDpTbZn782DC6/t7qT67P6FfO" },
            { "~!@#$%^&*()      ~!@#$%^&*()PNBFRD",
                    "$2a$08$Eq2r4G/76Wv39MzSX262hu",
                    "$2a$08$Eq2r4G/76Wv39MzSX262huzPz612MZiYHVUJe/OcOql2jo4.9UxTW" },
            { "~!@#$%^&*()      ~!@#$%^&*()PNBFRD",
                    "$2a$10$LgfYWkbzEvQ4JakH7rOvHe",
                    "$2a$10$LgfYWkbzEvQ4JakH7rOvHe0y8pHKF9OaFgwUZ2q7W2FFZmZzJYlfS" },
            { "~!@#$%^&*()      ~!@#$%^&*()PNBFRD",
                    "$2a$12$WApznUOJfkEGSmYRfnkrPO",
                    "$2a$12$WApznUOJfkEGSmYRfnkrPOr466oFDCaj4b6HY3EXGvfxm43seyhgC" },
    };

    /**
     * Test method for 'BCrypt.hashpw(String, String)'
     */
    @Test
    public void testHashpw() {
        System.out.print("BCrypt.hashpw(): ");
        for (int i = 0; i < test_vectors.length; i++) {
            String plain = test_vectors[i][0];
            String salt = test_vectors[i][1];
            String expected = test_vectors[i][2];
            String hashed = BCrypt.hashpw(plain, salt);
            assertEquals(hashed, expected);
            System.out.print(".");
        }
        System.out.println("");
    }

    /**
     * Test method for 'BCrypt.gensalt(int)'
     */
    @Test
    public void testGensaltInt() {
        System.out.print("BCrypt.gensalt(log_rounds):");
        for (int i = 4; i <= 12; i++) {
            System.out.print(" " + Integer.toString(i) + ":");
            for (int j = 0; j < test_vectors.length; j += 4) {
                String plain = test_vectors[j][0];
                String salt = BCrypt.gensalt(i);
                String hashed1 = BCrypt.hashpw(plain, salt);
                String hashed2 = BCrypt.hashpw(plain, hashed1);
                assertEquals(hashed1, hashed2);
                System.out.print(".");
            }
        }
        System.out.println("");
    }

    /**
     * Test method for 'BCrypt.gensalt()'
     */
    @Test
    public void testGensalt() {
        System.out.print("BCrypt.gensalt(): ");
        for (int i = 0; i < test_vectors.length; i += 4) {
            String plain = test_vectors[i][0];
            String salt = BCrypt.gensalt();
            String hashed1 = BCrypt.hashpw(plain, salt);
            String hashed2 = BCrypt.hashpw(plain, hashed1);
            assertEquals(hashed1, hashed2);
            System.out.print(".");
        }
        System.out.println("");
    }

    /**
     * Test method for 'BCrypt.checkpw(String, String)'
     * expecting success
     */
    @Test
    public void testCheckpw_success() {
        System.out.print("BCrypt.checkpw w/ good passwords: ");
        for (int i = 0; i < test_vectors.length; i++) {
            String plain = test_vectors[i][0];
            String expected = test_vectors[i][2];
            assertTrue(BCrypt.checkpw(plain, expected));
            System.out.print(".");
        }
        System.out.println("");
    }

    /**
     * Test method for 'BCrypt.checkpw(String, String)'
     * expecting failure
     */
    @Test
    public void testCheckpw_failure() {
        System.out.print("BCrypt.checkpw w/ bad passwords: ");
        for (int i = 0; i < test_vectors.length; i++) {
            int broken_index = (i + 4) % test_vectors.length;
            String plain = test_vectors[i][0];
            String expected = test_vectors[broken_index][2];
            assertFalse(BCrypt.checkpw(plain, expected));
            System.out.print(".");
        }
        System.out.println("");
    }

    /**
     * Test for correct hashing of non-US-ASCII passwords
     */
    @Test
    public void testInternationalChars() {
        System.out.print("BCrypt.hashpw w/ international chars: ");
        String pw1 = "\u2605\u2605\u2605\u2605\u2605\u2605\u2605\u2605";
        String pw2 = "????????";

        String h1 = BCrypt.hashpw(pw1, BCrypt.gensalt());
        assertFalse(BCrypt.checkpw(pw2, h1));
        System.out.print(".");

        String h2 = BCrypt.hashpw(pw2, BCrypt.gensalt());
        assertFalse(BCrypt.checkpw(pw1, h2));
        System.out.print(".");
        System.out.println("");
    }

}
